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-rw-r--r--templates/mirrors/mirror_details.html2
-rw-r--r--templates/public/keys.html2
-rw-r--r--templates/visualize/index.html2
-rw-r--r--visualize/static/d3-3.0.0.js7809
-rw-r--r--visualize/static/d3-3.0.0.min.js4
-rw-r--r--visualize/static/d3.v2.js9406
-rw-r--r--visualize/static/d3.v2.min.js4
7 files changed, 7816 insertions, 9413 deletions
diff --git a/templates/mirrors/mirror_details.html b/templates/mirrors/mirror_details.html
index 884187b9..132557cd 100644
--- a/templates/mirrors/mirror_details.html
+++ b/templates/mirrors/mirror_details.html
@@ -109,7 +109,7 @@
<div id="visualize-mirror" class="visualize-chart"></div>
</div>
{% load cdn %}{% jquery %}{% jquery_tablesorter %}
-<script type="text/javascript" src="{% static "d3.v2.min.js" %}"></script>
+<script type="text/javascript" src="{% static "d3-3.0.0.min.js" %}"></script>
<script type="text/javascript" src="{% static "archweb.js" %}"></script>
<script type="text/javascript" src="{% static "mirror_status.js" %}"></script>
<script type="text/javascript">
diff --git a/templates/public/keys.html b/templates/public/keys.html
index 9af491e2..35bf414c 100644
--- a/templates/public/keys.html
+++ b/templates/public/keys.html
@@ -135,7 +135,7 @@
</div>
{% load cdn %}{% jquery %}{% jquery_tablesorter %}
-<script type="text/javascript" src="{% static "d3.v2.min.js" %}"></script>
+<script type="text/javascript" src="{% static "d3-3.0.0.min.js" %}"></script>
<script type="text/javascript" src="{% static "archweb.js" %}"></script>
<script type="text/javascript" src="{% static "visualize.js" %}"></script>
<script type="text/javascript">
diff --git a/templates/visualize/index.html b/templates/visualize/index.html
index 242a7f0b..60320125 100644
--- a/templates/visualize/index.html
+++ b/templates/visualize/index.html
@@ -26,7 +26,7 @@
</div>
{% load cdn %}{% jquery %}
-<script type="text/javascript" src="{% static "d3.v2.min.js" %}"></script>
+<script type="text/javascript" src="{% static "d3-3.0.0.min.js" %}"></script>
<script type="text/javascript" src="{% static "archweb.js" %}"></script>
<script type="text/javascript" src="{% static "visualize.js" %}"></script>
<script type="text/javascript">
diff --git a/visualize/static/d3-3.0.0.js b/visualize/static/d3-3.0.0.js
new file mode 100644
index 00000000..c82a4bc5
--- /dev/null
+++ b/visualize/static/d3-3.0.0.js
@@ -0,0 +1,7809 @@
+(function() {
+ var d3_format_decimalPoint = ".", d3_format_thousandsSeparator = ",", d3_format_grouping = [ 3, 3 ];
+ if (!Date.now) Date.now = function() {
+ return +new Date();
+ };
+ try {
+ document.createElement("div").style.setProperty("opacity", 0, "");
+ } catch (error) {
+ var d3_style_prototype = CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
+ d3_style_prototype.setProperty = function(name, value, priority) {
+ d3_style_setProperty.call(this, name, value + "", priority);
+ };
+ }
+ d3 = {
+ version: "3.0.0"
+ };
+ var π = Math.PI, ε = 1e-6, d3_radians = π / 180, d3_degrees = 180 / π;
+ function d3_target(d) {
+ return d.target;
+ }
+ function d3_source(d) {
+ return d.source;
+ }
+ function d3_class(ctor, properties) {
+ try {
+ for (var key in properties) {
+ Object.defineProperty(ctor.prototype, key, {
+ value: properties[key],
+ enumerable: false
+ });
+ }
+ } catch (e) {
+ ctor.prototype = properties;
+ }
+ }
+ var d3_array = d3_arraySlice;
+ function d3_arrayCopy(pseudoarray) {
+ var i = -1, n = pseudoarray.length, array = [];
+ while (++i < n) array.push(pseudoarray[i]);
+ return array;
+ }
+ function d3_arraySlice(pseudoarray) {
+ return Array.prototype.slice.call(pseudoarray);
+ }
+ try {
+ d3_array(document.documentElement.childNodes)[0].nodeType;
+ } catch (e) {
+ d3_array = d3_arrayCopy;
+ }
+ var d3_arraySubclass = [].__proto__ ? function(array, prototype) {
+ array.__proto__ = prototype;
+ } : function(array, prototype) {
+ for (var property in prototype) array[property] = prototype[property];
+ };
+ d3.map = function(object) {
+ var map = new d3_Map();
+ for (var key in object) map.set(key, object[key]);
+ return map;
+ };
+ function d3_Map() {}
+ d3_class(d3_Map, {
+ has: function(key) {
+ return d3_map_prefix + key in this;
+ },
+ get: function(key) {
+ return this[d3_map_prefix + key];
+ },
+ set: function(key, value) {
+ return this[d3_map_prefix + key] = value;
+ },
+ remove: function(key) {
+ key = d3_map_prefix + key;
+ return key in this && delete this[key];
+ },
+ keys: function() {
+ var keys = [];
+ this.forEach(function(key) {
+ keys.push(key);
+ });
+ return keys;
+ },
+ values: function() {
+ var values = [];
+ this.forEach(function(key, value) {
+ values.push(value);
+ });
+ return values;
+ },
+ entries: function() {
+ var entries = [];
+ this.forEach(function(key, value) {
+ entries.push({
+ key: key,
+ value: value
+ });
+ });
+ return entries;
+ },
+ forEach: function(f) {
+ for (var key in this) {
+ if (key.charCodeAt(0) === d3_map_prefixCode) {
+ f.call(this, key.substring(1), this[key]);
+ }
+ }
+ }
+ });
+ var d3_map_prefix = "\0", d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
+ function d3_identity(d) {
+ return d;
+ }
+ function d3_true() {
+ return true;
+ }
+ function d3_functor(v) {
+ return typeof v === "function" ? v : function() {
+ return v;
+ };
+ }
+ d3.functor = d3_functor;
+ d3.rebind = function(target, source) {
+ var i = 1, n = arguments.length, method;
+ while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
+ return target;
+ };
+ function d3_rebind(target, source, method) {
+ return function() {
+ var value = method.apply(source, arguments);
+ return arguments.length ? target : value;
+ };
+ }
+ d3.ascending = function(a, b) {
+ return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+ };
+ d3.descending = function(a, b) {
+ return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+ };
+ d3.mean = function(array, f) {
+ var n = array.length, a, m = 0, i = -1, j = 0;
+ if (arguments.length === 1) {
+ while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
+ } else {
+ while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
+ }
+ return j ? m : undefined;
+ };
+ d3.median = function(array, f) {
+ if (arguments.length > 1) array = array.map(f);
+ array = array.filter(d3_number);
+ return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined;
+ };
+ d3.min = function(array, f) {
+ var i = -1, n = array.length, a, b;
+ if (arguments.length === 1) {
+ while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+ while (++i < n) if ((b = array[i]) != null && a > b) a = b;
+ } else {
+ while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
+ }
+ return a;
+ };
+ d3.max = function(array, f) {
+ var i = -1, n = array.length, a, b;
+ if (arguments.length === 1) {
+ while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
+ while (++i < n) if ((b = array[i]) != null && b > a) a = b;
+ } else {
+ while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
+ }
+ return a;
+ };
+ d3.extent = function(array, f) {
+ var i = -1, n = array.length, a, b, c;
+ if (arguments.length === 1) {
+ while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined;
+ while (++i < n) if ((b = array[i]) != null) {
+ if (a > b) a = b;
+ if (c < b) c = b;
+ }
+ } else {
+ while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined;
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
+ if (a > b) a = b;
+ if (c < b) c = b;
+ }
+ }
+ return [ a, c ];
+ };
+ d3.random = {
+ normal: function(µ, σ) {
+ var n = arguments.length;
+ if (n < 2) σ = 1;
+ if (n < 1) µ = 0;
+ return function() {
+ var x, y, r;
+ do {
+ x = Math.random() * 2 - 1;
+ y = Math.random() * 2 - 1;
+ r = x * x + y * y;
+ } while (!r || r > 1);
+ return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
+ };
+ },
+ logNormal: function(µ, σ) {
+ var n = arguments.length;
+ if (n < 2) σ = 1;
+ if (n < 1) µ = 0;
+ var random = d3.random.normal();
+ return function() {
+ return Math.exp(µ + σ * random());
+ };
+ },
+ irwinHall: function(m) {
+ return function() {
+ for (var s = 0, j = 0; j < m; j++) s += Math.random();
+ return s / m;
+ };
+ }
+ };
+ function d3_number(x) {
+ return x != null && !isNaN(x);
+ }
+ d3.sum = function(array, f) {
+ var s = 0, n = array.length, a, i = -1;
+ if (arguments.length === 1) {
+ while (++i < n) if (!isNaN(a = +array[i])) s += a;
+ } else {
+ while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
+ }
+ return s;
+ };
+ d3.quantile = function(values, p) {
+ var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
+ return e ? v + e * (values[h] - v) : v;
+ };
+ d3.shuffle = function(array) {
+ var m = array.length, t, i;
+ while (m) {
+ i = Math.random() * m-- | 0;
+ t = array[m], array[m] = array[i], array[i] = t;
+ }
+ return array;
+ };
+ d3.transpose = function(matrix) {
+ return d3.zip.apply(d3, matrix);
+ };
+ d3.zip = function() {
+ if (!(n = arguments.length)) return [];
+ for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {
+ for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {
+ zip[j] = arguments[j][i];
+ }
+ }
+ return zips;
+ };
+ function d3_zipLength(d) {
+ return d.length;
+ }
+ d3.bisector = function(f) {
+ return {
+ left: function(a, x, lo, hi) {
+ if (arguments.length < 3) lo = 0;
+ if (arguments.length < 4) hi = a.length;
+ while (lo < hi) {
+ var mid = lo + hi >>> 1;
+ if (f.call(a, a[mid], mid) < x) lo = mid + 1; else hi = mid;
+ }
+ return lo;
+ },
+ right: function(a, x, lo, hi) {
+ if (arguments.length < 3) lo = 0;
+ if (arguments.length < 4) hi = a.length;
+ while (lo < hi) {
+ var mid = lo + hi >>> 1;
+ if (x < f.call(a, a[mid], mid)) hi = mid; else lo = mid + 1;
+ }
+ return lo;
+ }
+ };
+ };
+ var d3_bisector = d3.bisector(function(d) {
+ return d;
+ });
+ d3.bisectLeft = d3_bisector.left;
+ d3.bisect = d3.bisectRight = d3_bisector.right;
+ d3.nest = function() {
+ var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
+ function map(array, depth) {
+ if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
+ var i = -1, n = array.length, key = keys[depth++], keyValue, object, valuesByKey = new d3_Map(), values, o = {};
+ while (++i < n) {
+ if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
+ values.push(object);
+ } else {
+ valuesByKey.set(keyValue, [ object ]);
+ }
+ }
+ valuesByKey.forEach(function(keyValue, values) {
+ o[keyValue] = map(values, depth);
+ });
+ return o;
+ }
+ function entries(map, depth) {
+ if (depth >= keys.length) return map;
+ var a = [], sortKey = sortKeys[depth++], key;
+ for (key in map) {
+ a.push({
+ key: key,
+ values: entries(map[key], depth)
+ });
+ }
+ if (sortKey) a.sort(function(a, b) {
+ return sortKey(a.key, b.key);
+ });
+ return a;
+ }
+ nest.map = function(array) {
+ return map(array, 0);
+ };
+ nest.entries = function(array) {
+ return entries(map(array, 0), 0);
+ };
+ nest.key = function(d) {
+ keys.push(d);
+ return nest;
+ };
+ nest.sortKeys = function(order) {
+ sortKeys[keys.length - 1] = order;
+ return nest;
+ };
+ nest.sortValues = function(order) {
+ sortValues = order;
+ return nest;
+ };
+ nest.rollup = function(f) {
+ rollup = f;
+ return nest;
+ };
+ return nest;
+ };
+ d3.keys = function(map) {
+ var keys = [];
+ for (var key in map) keys.push(key);
+ return keys;
+ };
+ d3.values = function(map) {
+ var values = [];
+ for (var key in map) values.push(map[key]);
+ return values;
+ };
+ d3.entries = function(map) {
+ var entries = [];
+ for (var key in map) entries.push({
+ key: key,
+ value: map[key]
+ });
+ return entries;
+ };
+ d3.permute = function(array, indexes) {
+ var permutes = [], i = -1, n = indexes.length;
+ while (++i < n) permutes[i] = array[indexes[i]];
+ return permutes;
+ };
+ d3.merge = function(arrays) {
+ return Array.prototype.concat.apply([], arrays);
+ };
+ function d3_collapse(s) {
+ return s.trim().replace(/\s+/g, " ");
+ }
+ d3.range = function(start, stop, step) {
+ if (arguments.length < 3) {
+ step = 1;
+ if (arguments.length < 2) {
+ stop = start;
+ start = 0;
+ }
+ }
+ if ((stop - start) / step === Infinity) throw new Error("infinite range");
+ var range = [], k = d3_range_integerScale(Math.abs(step)), i = -1, j;
+ start *= k, stop *= k, step *= k;
+ if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
+ return range;
+ };
+ function d3_range_integerScale(x) {
+ var k = 1;
+ while (x * k % 1) k *= 10;
+ return k;
+ }
+ d3.requote = function(s) {
+ return s.replace(d3_requote_re, "\\$&");
+ };
+ var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
+ d3.round = function(x, n) {
+ return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
+ };
+ d3.xhr = function(url, mimeType, callback) {
+ var xhr = {}, dispatch = d3.dispatch("progress", "load", "error"), headers = {}, response = d3_identity, request = new (window.XDomainRequest && /^(http(s)?:)?\/\//.test(url) ? XDomainRequest : XMLHttpRequest)();
+ "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
+ request.readyState > 3 && respond();
+ };
+ function respond() {
+ var s = request.status;
+ !s && request.responseText || s >= 200 && s < 300 || s === 304 ? dispatch.load.call(xhr, response.call(xhr, request)) : dispatch.error.call(xhr, request);
+ }
+ request.onprogress = function(event) {
+ var o = d3.event;
+ d3.event = event;
+ try {
+ dispatch.progress.call(xhr, request);
+ } finally {
+ d3.event = o;
+ }
+ };
+ xhr.header = function(name, value) {
+ name = (name + "").toLowerCase();
+ if (arguments.length < 2) return headers[name];
+ if (value == null) delete headers[name]; else headers[name] = value + "";
+ return xhr;
+ };
+ xhr.mimeType = function(value) {
+ if (!arguments.length) return mimeType;
+ mimeType = value == null ? null : value + "";
+ return xhr;
+ };
+ xhr.response = function(value) {
+ response = value;
+ return xhr;
+ };
+ [ "get", "post" ].forEach(function(method) {
+ xhr[method] = function() {
+ return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
+ };
+ });
+ xhr.send = function(method, data, callback) {
+ if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
+ request.open(method, url, true);
+ if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
+ if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
+ if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
+ if (callback != null) xhr.on("error", callback).on("load", function(request) {
+ callback(null, request);
+ });
+ request.send(data == null ? null : data);
+ return xhr;
+ };
+ xhr.abort = function() {
+ request.abort();
+ return xhr;
+ };
+ d3.rebind(xhr, dispatch, "on");
+ if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType,
+ mimeType = null;
+ return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
+ };
+ function d3_xhr_fixCallback(callback) {
+ return callback.length === 1 ? function(error, request) {
+ callback(error == null ? request : null);
+ } : callback;
+ }
+ d3.text = function() {
+ return d3.xhr.apply(d3, arguments).response(d3_text);
+ };
+ function d3_text(request) {
+ return request.responseText;
+ }
+ d3.json = function(url, callback) {
+ return d3.xhr(url, "application/json", callback).response(d3_json);
+ };
+ function d3_json(request) {
+ return JSON.parse(request.responseText);
+ }
+ d3.html = function(url, callback) {
+ return d3.xhr(url, "text/html", callback).response(d3_html);
+ };
+ function d3_html(request) {
+ var range = document.createRange();
+ range.selectNode(document.body);
+ return range.createContextualFragment(request.responseText);
+ }
+ d3.xml = function() {
+ return d3.xhr.apply(d3, arguments).response(d3_xml);
+ };
+ function d3_xml(request) {
+ return request.responseXML;
+ }
+ var d3_nsPrefix = {
+ svg: "http://www.w3.org/2000/svg",
+ xhtml: "http://www.w3.org/1999/xhtml",
+ xlink: "http://www.w3.org/1999/xlink",
+ xml: "http://www.w3.org/XML/1998/namespace",
+ xmlns: "http://www.w3.org/2000/xmlns/"
+ };
+ d3.ns = {
+ prefix: d3_nsPrefix,
+ qualify: function(name) {
+ var i = name.indexOf(":"), prefix = name;
+ if (i >= 0) {
+ prefix = name.substring(0, i);
+ name = name.substring(i + 1);
+ }
+ return d3_nsPrefix.hasOwnProperty(prefix) ? {
+ space: d3_nsPrefix[prefix],
+ local: name
+ } : name;
+ }
+ };
+ d3.dispatch = function() {
+ var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
+ while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+ return dispatch;
+ };
+ function d3_dispatch() {}
+ d3_dispatch.prototype.on = function(type, listener) {
+ var i = type.indexOf("."), name = "";
+ if (i > 0) {
+ name = type.substring(i + 1);
+ type = type.substring(0, i);
+ }
+ return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
+ };
+ function d3_dispatch_event(dispatch) {
+ var listeners = [], listenerByName = new d3_Map();
+ function event() {
+ var z = listeners, i = -1, n = z.length, l;
+ while (++i < n) if (l = z[i].on) l.apply(this, arguments);
+ return dispatch;
+ }
+ event.on = function(name, listener) {
+ var l = listenerByName.get(name), i;
+ if (arguments.length < 2) return l && l.on;
+ if (l) {
+ l.on = null;
+ listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
+ listenerByName.remove(name);
+ }
+ if (listener) listeners.push(listenerByName.set(name, {
+ on: listener
+ }));
+ return dispatch;
+ };
+ return event;
+ }
+ d3.format = function(specifier) {
+ var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "", basePrefix = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, suffix = "", integer = false;
+ if (precision) precision = +precision.substring(1);
+ if (zfill || fill === "0" && align === "=") {
+ zfill = fill = "0";
+ align = "=";
+ if (comma) width -= Math.floor((width - 1) / 4);
+ }
+ switch (type) {
+ case "n":
+ comma = true;
+ type = "g";
+ break;
+
+ case "%":
+ scale = 100;
+ suffix = "%";
+ type = "f";
+ break;
+
+ case "p":
+ scale = 100;
+ suffix = "%";
+ type = "r";
+ break;
+
+ case "b":
+ case "o":
+ case "x":
+ case "X":
+ if (basePrefix) basePrefix = "0" + type.toLowerCase();
+
+ case "c":
+ case "d":
+ integer = true;
+ precision = 0;
+ break;
+
+ case "s":
+ scale = -1;
+ type = "r";
+ break;
+ }
+ if (basePrefix === "#") basePrefix = "";
+ if (type == "r" && !precision) type = "g";
+ type = d3_format_types.get(type) || d3_format_typeDefault;
+ var zcomma = zfill && comma;
+ return function(value) {
+ if (integer && value % 1) return "";
+ var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign;
+ if (scale < 0) {
+ var prefix = d3.formatPrefix(value, precision);
+ value = prefix.scale(value);
+ suffix = prefix.symbol;
+ } else {
+ value *= scale;
+ }
+ value = type(value, precision);
+ if (!zfill && comma) value = d3_format_group(value);
+ var length = basePrefix.length + value.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
+ if (zcomma) value = d3_format_group(padding + value);
+ if (d3_format_decimalPoint) value.replace(".", d3_format_decimalPoint);
+ negative += basePrefix;
+ return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + suffix;
+ };
+ };
+ var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/;
+ var d3_format_types = d3.map({
+ b: function(x) {
+ return x.toString(2);
+ },
+ c: function(x) {
+ return String.fromCharCode(x);
+ },
+ o: function(x) {
+ return x.toString(8);
+ },
+ x: function(x) {
+ return x.toString(16);
+ },
+ X: function(x) {
+ return x.toString(16).toUpperCase();
+ },
+ g: function(x, p) {
+ return x.toPrecision(p);
+ },
+ e: function(x, p) {
+ return x.toExponential(p);
+ },
+ f: function(x, p) {
+ return x.toFixed(p);
+ },
+ r: function(x, p) {
+ return d3.round(x, p = d3_format_precision(x, p)).toFixed(Math.max(0, Math.min(20, p)));
+ }
+ });
+ function d3_format_precision(x, p) {
+ return p - (x ? 1 + Math.floor(Math.log(x + Math.pow(10, 1 + Math.floor(Math.log(x) / Math.LN10) - p)) / Math.LN10) : 1);
+ }
+ function d3_format_typeDefault(x) {
+ return x + "";
+ }
+ var d3_format_group = d3_identity;
+ if (d3_format_grouping) {
+ var d3_format_groupingLength = d3_format_grouping.length;
+ d3_format_group = function(value) {
+ var i = value.lastIndexOf("."), f = i >= 0 ? "." + value.substring(i + 1) : (i = value.length,
+ ""), t = [], j = 0, g = d3_format_grouping[0];
+ while (i > 0 && g > 0) {
+ t.push(value.substring(i -= g, i + g));
+ g = d3_format_grouping[j = (j + 1) % d3_format_groupingLength];
+ }
+ return t.reverse().join(d3_format_thousandsSeparator || "") + f;
+ };
+ }
+ var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "μ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
+ d3.formatPrefix = function(value, precision) {
+ var i = 0;
+ if (value) {
+ if (value < 0) value *= -1;
+ if (precision) value = d3.round(value, d3_format_precision(value, precision));
+ i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
+ i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
+ }
+ return d3_formatPrefixes[8 + i / 3];
+ };
+ function d3_formatPrefix(d, i) {
+ var k = Math.pow(10, Math.abs(8 - i) * 3);
+ return {
+ scale: i > 8 ? function(d) {
+ return d / k;
+ } : function(d) {
+ return d * k;
+ },
+ symbol: d
+ };
+ }
+ var d3_ease_default = function() {
+ return d3_identity;
+ };
+ var d3_ease = d3.map({
+ linear: d3_ease_default,
+ poly: d3_ease_poly,
+ quad: function() {
+ return d3_ease_quad;
+ },
+ cubic: function() {
+ return d3_ease_cubic;
+ },
+ sin: function() {
+ return d3_ease_sin;
+ },
+ exp: function() {
+ return d3_ease_exp;
+ },
+ circle: function() {
+ return d3_ease_circle;
+ },
+ elastic: d3_ease_elastic,
+ back: d3_ease_back,
+ bounce: function() {
+ return d3_ease_bounce;
+ }
+ });
+ var d3_ease_mode = d3.map({
+ "in": d3_identity,
+ out: d3_ease_reverse,
+ "in-out": d3_ease_reflect,
+ "out-in": function(f) {
+ return d3_ease_reflect(d3_ease_reverse(f));
+ }
+ });
+ d3.ease = function(name) {
+ var i = name.indexOf("-"), t = i >= 0 ? name.substring(0, i) : name, m = i >= 0 ? name.substring(i + 1) : "in";
+ t = d3_ease.get(t) || d3_ease_default;
+ m = d3_ease_mode.get(m) || d3_identity;
+ return d3_ease_clamp(m(t.apply(null, Array.prototype.slice.call(arguments, 1))));
+ };
+ function d3_ease_clamp(f) {
+ return function(t) {
+ return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
+ };
+ }
+ function d3_ease_reverse(f) {
+ return function(t) {
+ return 1 - f(1 - t);
+ };
+ }
+ function d3_ease_reflect(f) {
+ return function(t) {
+ return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
+ };
+ }
+ function d3_ease_quad(t) {
+ return t * t;
+ }
+ function d3_ease_cubic(t) {
+ return t * t * t;
+ }
+ function d3_ease_cubicInOut(t) {
+ if (t <= 0) return 0;
+ if (t >= 1) return 1;
+ var t2 = t * t, t3 = t2 * t;
+ return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
+ }
+ function d3_ease_poly(e) {
+ return function(t) {
+ return Math.pow(t, e);
+ };
+ }
+ function d3_ease_sin(t) {
+ return 1 - Math.cos(t * π / 2);
+ }
+ function d3_ease_exp(t) {
+ return Math.pow(2, 10 * (t - 1));
+ }
+ function d3_ease_circle(t) {
+ return 1 - Math.sqrt(1 - t * t);
+ }
+ function d3_ease_elastic(a, p) {
+ var s;
+ if (arguments.length < 2) p = .45;
+ if (arguments.length) s = p / (2 * π) * Math.asin(1 / a); else a = 1, s = p / 4;
+ return function(t) {
+ return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * π / p);
+ };
+ }
+ function d3_ease_back(s) {
+ if (!s) s = 1.70158;
+ return function(t) {
+ return t * t * ((s + 1) * t - s);
+ };
+ }
+ function d3_ease_bounce(t) {
+ return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
+ }
+ d3.event = null;
+ function d3_eventCancel() {
+ d3.event.stopPropagation();
+ d3.event.preventDefault();
+ }
+ function d3_eventSource() {
+ var e = d3.event, s;
+ while (s = e.sourceEvent) e = s;
+ return e;
+ }
+ function d3_eventDispatch(target) {
+ var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
+ while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+ dispatch.of = function(thiz, argumentz) {
+ return function(e1) {
+ try {
+ var e0 = e1.sourceEvent = d3.event;
+ e1.target = target;
+ d3.event = e1;
+ dispatch[e1.type].apply(thiz, argumentz);
+ } finally {
+ d3.event = e0;
+ }
+ };
+ };
+ return dispatch;
+ }
+ d3.transform = function(string) {
+ var g = document.createElementNS(d3.ns.prefix.svg, "g");
+ return (d3.transform = function(string) {
+ g.setAttribute("transform", string);
+ var t = g.transform.baseVal.consolidate();
+ return new d3_transform(t ? t.matrix : d3_transformIdentity);
+ })(string);
+ };
+ function d3_transform(m) {
+ var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
+ if (r0[0] * r1[1] < r1[0] * r0[1]) {
+ r0[0] *= -1;
+ r0[1] *= -1;
+ kx *= -1;
+ kz *= -1;
+ }
+ this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
+ this.translate = [ m.e, m.f ];
+ this.scale = [ kx, ky ];
+ this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
+ }
+ d3_transform.prototype.toString = function() {
+ return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
+ };
+ function d3_transformDot(a, b) {
+ return a[0] * b[0] + a[1] * b[1];
+ }
+ function d3_transformNormalize(a) {
+ var k = Math.sqrt(d3_transformDot(a, a));
+ if (k) {
+ a[0] /= k;
+ a[1] /= k;
+ }
+ return k;
+ }
+ function d3_transformCombine(a, b, k) {
+ a[0] += k * b[0];
+ a[1] += k * b[1];
+ return a;
+ }
+ var d3_transformIdentity = {
+ a: 1,
+ b: 0,
+ c: 0,
+ d: 1,
+ e: 0,
+ f: 0
+ };
+ d3.interpolate = function(a, b) {
+ var i = d3.interpolators.length, f;
+ while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
+ return f;
+ };
+ d3.interpolateNumber = function(a, b) {
+ b -= a;
+ return function(t) {
+ return a + b * t;
+ };
+ };
+ d3.interpolateRound = function(a, b) {
+ b -= a;
+ return function(t) {
+ return Math.round(a + b * t);
+ };
+ };
+ d3.interpolateString = function(a, b) {
+ var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o;
+ d3_interpolate_number.lastIndex = 0;
+ for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
+ if (m.index) s.push(b.substring(s0, s1 = m.index));
+ q.push({
+ i: s.length,
+ x: m[0]
+ });
+ s.push(null);
+ s0 = d3_interpolate_number.lastIndex;
+ }
+ if (s0 < b.length) s.push(b.substring(s0));
+ for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
+ o = q[i];
+ if (o.x == m[0]) {
+ if (o.i) {
+ if (s[o.i + 1] == null) {
+ s[o.i - 1] += o.x;
+ s.splice(o.i, 1);
+ for (j = i + 1; j < n; ++j) q[j].i--;
+ } else {
+ s[o.i - 1] += o.x + s[o.i + 1];
+ s.splice(o.i, 2);
+ for (j = i + 1; j < n; ++j) q[j].i -= 2;
+ }
+ } else {
+ if (s[o.i + 1] == null) {
+ s[o.i] = o.x;
+ } else {
+ s[o.i] = o.x + s[o.i + 1];
+ s.splice(o.i + 1, 1);
+ for (j = i + 1; j < n; ++j) q[j].i--;
+ }
+ }
+ q.splice(i, 1);
+ n--;
+ i--;
+ } else {
+ o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
+ }
+ }
+ while (i < n) {
+ o = q.pop();
+ if (s[o.i + 1] == null) {
+ s[o.i] = o.x;
+ } else {
+ s[o.i] = o.x + s[o.i + 1];
+ s.splice(o.i + 1, 1);
+ }
+ n--;
+ }
+ if (s.length === 1) {
+ return s[0] == null ? q[0].x : function() {
+ return b;
+ };
+ }
+ return function(t) {
+ for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
+ return s.join("");
+ };
+ };
+ d3.interpolateTransform = function(a, b) {
+ var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;
+ if (ta[0] != tb[0] || ta[1] != tb[1]) {
+ s.push("translate(", null, ",", null, ")");
+ q.push({
+ i: 1,
+ x: d3.interpolateNumber(ta[0], tb[0])
+ }, {
+ i: 3,
+ x: d3.interpolateNumber(ta[1], tb[1])
+ });
+ } else if (tb[0] || tb[1]) {
+ s.push("translate(" + tb + ")");
+ } else {
+ s.push("");
+ }
+ if (ra != rb) {
+ if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
+ q.push({
+ i: s.push(s.pop() + "rotate(", null, ")") - 2,
+ x: d3.interpolateNumber(ra, rb)
+ });
+ } else if (rb) {
+ s.push(s.pop() + "rotate(" + rb + ")");
+ }
+ if (wa != wb) {
+ q.push({
+ i: s.push(s.pop() + "skewX(", null, ")") - 2,
+ x: d3.interpolateNumber(wa, wb)
+ });
+ } else if (wb) {
+ s.push(s.pop() + "skewX(" + wb + ")");
+ }
+ if (ka[0] != kb[0] || ka[1] != kb[1]) {
+ n = s.push(s.pop() + "scale(", null, ",", null, ")");
+ q.push({
+ i: n - 4,
+ x: d3.interpolateNumber(ka[0], kb[0])
+ }, {
+ i: n - 2,
+ x: d3.interpolateNumber(ka[1], kb[1])
+ });
+ } else if (kb[0] != 1 || kb[1] != 1) {
+ s.push(s.pop() + "scale(" + kb + ")");
+ }
+ n = q.length;
+ return function(t) {
+ var i = -1, o;
+ while (++i < n) s[(o = q[i]).i] = o.x(t);
+ return s.join("");
+ };
+ };
+ d3.interpolateRgb = function(a, b) {
+ a = d3.rgb(a);
+ b = d3.rgb(b);
+ var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
+ return function(t) {
+ return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
+ };
+ };
+ d3.interpolateHsl = function(a, b) {
+ a = d3.hsl(a);
+ b = d3.hsl(b);
+ var h0 = a.h, s0 = a.s, l0 = a.l, h1 = b.h - h0, s1 = b.s - s0, l1 = b.l - l0;
+ if (h1 > 180) h1 -= 360; else if (h1 < -180) h1 += 360;
+ return function(t) {
+ return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t) + "";
+ };
+ };
+ d3.interpolateLab = function(a, b) {
+ a = d3.lab(a);
+ b = d3.lab(b);
+ var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
+ return function(t) {
+ return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
+ };
+ };
+ d3.interpolateHcl = function(a, b) {
+ a = d3.hcl(a);
+ b = d3.hcl(b);
+ var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
+ if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+ return function(t) {
+ return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
+ };
+ };
+ d3.interpolateArray = function(a, b) {
+ var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
+ for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i]));
+ for (;i < na; ++i) c[i] = a[i];
+ for (;i < nb; ++i) c[i] = b[i];
+ return function(t) {
+ for (i = 0; i < n0; ++i) c[i] = x[i](t);
+ return c;
+ };
+ };
+ d3.interpolateObject = function(a, b) {
+ var i = {}, c = {}, k;
+ for (k in a) {
+ if (k in b) {
+ i[k] = d3_interpolateByName(k)(a[k], b[k]);
+ } else {
+ c[k] = a[k];
+ }
+ }
+ for (k in b) {
+ if (!(k in a)) {
+ c[k] = b[k];
+ }
+ }
+ return function(t) {
+ for (k in i) c[k] = i[k](t);
+ return c;
+ };
+ };
+ var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
+ function d3_interpolateByName(name) {
+ return name == "transform" ? d3.interpolateTransform : d3.interpolate;
+ }
+ d3.interpolators = [ d3.interpolateObject, function(a, b) {
+ return b instanceof Array && d3.interpolateArray(a, b);
+ }, function(a, b) {
+ return (typeof a === "string" || typeof b === "string") && d3.interpolateString(a + "", b + "");
+ }, function(a, b) {
+ return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Color) && d3.interpolateRgb(a, b);
+ }, function(a, b) {
+ return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b);
+ } ];
+ function d3_uninterpolateNumber(a, b) {
+ b = b - (a = +a) ? 1 / (b - a) : 0;
+ return function(x) {
+ return (x - a) * b;
+ };
+ }
+ function d3_uninterpolateClamp(a, b) {
+ b = b - (a = +a) ? 1 / (b - a) : 0;
+ return function(x) {
+ return Math.max(0, Math.min(1, (x - a) * b));
+ };
+ }
+ function d3_Color() {}
+ d3_Color.prototype.toString = function() {
+ return this.rgb() + "";
+ };
+ d3.rgb = function(r, g, b) {
+ return arguments.length === 1 ? r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : d3_rgb(~~r, ~~g, ~~b);
+ };
+ function d3_rgb(r, g, b) {
+ return new d3_Rgb(r, g, b);
+ }
+ function d3_Rgb(r, g, b) {
+ this.r = r;
+ this.g = g;
+ this.b = b;
+ }
+ var d3_rgbPrototype = d3_Rgb.prototype = new d3_Color();
+ d3_rgbPrototype.brighter = function(k) {
+ k = Math.pow(.7, arguments.length ? k : 1);
+ var r = this.r, g = this.g, b = this.b, i = 30;
+ if (!r && !g && !b) return d3_rgb(i, i, i);
+ if (r && r < i) r = i;
+ if (g && g < i) g = i;
+ if (b && b < i) b = i;
+ return d3_rgb(Math.min(255, Math.floor(r / k)), Math.min(255, Math.floor(g / k)), Math.min(255, Math.floor(b / k)));
+ };
+ d3_rgbPrototype.darker = function(k) {
+ k = Math.pow(.7, arguments.length ? k : 1);
+ return d3_rgb(Math.floor(k * this.r), Math.floor(k * this.g), Math.floor(k * this.b));
+ };
+ d3_rgbPrototype.hsl = function() {
+ return d3_rgb_hsl(this.r, this.g, this.b);
+ };
+ d3_rgbPrototype.toString = function() {
+ return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
+ };
+ function d3_rgb_hex(v) {
+ return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
+ }
+ function d3_rgb_parse(format, rgb, hsl) {
+ var r = 0, g = 0, b = 0, m1, m2, name;
+ m1 = /([a-z]+)\((.*)\)/i.exec(format);
+ if (m1) {
+ m2 = m1[2].split(",");
+ switch (m1[1]) {
+ case "hsl":
+ {
+ return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
+ }
+
+ case "rgb":
+ {
+ return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
+ }
+ }
+ }
+ if (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b);
+ if (format != null && format.charAt(0) === "#") {
+ if (format.length === 4) {
+ r = format.charAt(1);
+ r += r;
+ g = format.charAt(2);
+ g += g;
+ b = format.charAt(3);
+ b += b;
+ } else if (format.length === 7) {
+ r = format.substring(1, 3);
+ g = format.substring(3, 5);
+ b = format.substring(5, 7);
+ }
+ r = parseInt(r, 16);
+ g = parseInt(g, 16);
+ b = parseInt(b, 16);
+ }
+ return rgb(r, g, b);
+ }
+ function d3_rgb_hsl(r, g, b) {
+ var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
+ if (d) {
+ s = l < .5 ? d / (max + min) : d / (2 - max - min);
+ if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
+ h *= 60;
+ } else {
+ s = h = 0;
+ }
+ return d3_hsl(h, s, l);
+ }
+ function d3_rgb_lab(r, g, b) {
+ r = d3_rgb_xyz(r);
+ g = d3_rgb_xyz(g);
+ b = d3_rgb_xyz(b);
+ var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
+ return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
+ }
+ function d3_rgb_xyz(r) {
+ return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
+ }
+ function d3_rgb_parseNumber(c) {
+ var f = parseFloat(c);
+ return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
+ }
+ var d3_rgb_names = d3.map({
+ aliceblue: "#f0f8ff",
+ antiquewhite: "#faebd7",
+ aqua: "#00ffff",
+ aquamarine: "#7fffd4",
+ azure: "#f0ffff",
+ beige: "#f5f5dc",
+ bisque: "#ffe4c4",
+ black: "#000000",
+ blanchedalmond: "#ffebcd",
+ blue: "#0000ff",
+ blueviolet: "#8a2be2",
+ brown: "#a52a2a",
+ burlywood: "#deb887",
+ cadetblue: "#5f9ea0",
+ chartreuse: "#7fff00",
+ chocolate: "#d2691e",
+ coral: "#ff7f50",
+ cornflowerblue: "#6495ed",
+ cornsilk: "#fff8dc",
+ crimson: "#dc143c",
+ cyan: "#00ffff",
+ darkblue: "#00008b",
+ darkcyan: "#008b8b",
+ darkgoldenrod: "#b8860b",
+ darkgray: "#a9a9a9",
+ darkgreen: "#006400",
+ darkgrey: "#a9a9a9",
+ darkkhaki: "#bdb76b",
+ darkmagenta: "#8b008b",
+ darkolivegreen: "#556b2f",
+ darkorange: "#ff8c00",
+ darkorchid: "#9932cc",
+ darkred: "#8b0000",
+ darksalmon: "#e9967a",
+ darkseagreen: "#8fbc8f",
+ darkslateblue: "#483d8b",
+ darkslategray: "#2f4f4f",
+ darkslategrey: "#2f4f4f",
+ darkturquoise: "#00ced1",
+ darkviolet: "#9400d3",
+ deeppink: "#ff1493",
+ deepskyblue: "#00bfff",
+ dimgray: "#696969",
+ dimgrey: "#696969",
+ dodgerblue: "#1e90ff",
+ firebrick: "#b22222",
+ floralwhite: "#fffaf0",
+ forestgreen: "#228b22",
+ fuchsia: "#ff00ff",
+ gainsboro: "#dcdcdc",
+ ghostwhite: "#f8f8ff",
+ gold: "#ffd700",
+ goldenrod: "#daa520",
+ gray: "#808080",
+ green: "#008000",
+ greenyellow: "#adff2f",
+ grey: "#808080",
+ honeydew: "#f0fff0",
+ hotpink: "#ff69b4",
+ indianred: "#cd5c5c",
+ indigo: "#4b0082",
+ ivory: "#fffff0",
+ khaki: "#f0e68c",
+ lavender: "#e6e6fa",
+ lavenderblush: "#fff0f5",
+ lawngreen: "#7cfc00",
+ lemonchiffon: "#fffacd",
+ lightblue: "#add8e6",
+ lightcoral: "#f08080",
+ lightcyan: "#e0ffff",
+ lightgoldenrodyellow: "#fafad2",
+ lightgray: "#d3d3d3",
+ lightgreen: "#90ee90",
+ lightgrey: "#d3d3d3",
+ lightpink: "#ffb6c1",
+ lightsalmon: "#ffa07a",
+ lightseagreen: "#20b2aa",
+ lightskyblue: "#87cefa",
+ lightslategray: "#778899",
+ lightslategrey: "#778899",
+ lightsteelblue: "#b0c4de",
+ lightyellow: "#ffffe0",
+ lime: "#00ff00",
+ limegreen: "#32cd32",
+ linen: "#faf0e6",
+ magenta: "#ff00ff",
+ maroon: "#800000",
+ mediumaquamarine: "#66cdaa",
+ mediumblue: "#0000cd",
+ mediumorchid: "#ba55d3",
+ mediumpurple: "#9370db",
+ mediumseagreen: "#3cb371",
+ mediumslateblue: "#7b68ee",
+ mediumspringgreen: "#00fa9a",
+ mediumturquoise: "#48d1cc",
+ mediumvioletred: "#c71585",
+ midnightblue: "#191970",
+ mintcream: "#f5fffa",
+ mistyrose: "#ffe4e1",
+ moccasin: "#ffe4b5",
+ navajowhite: "#ffdead",
+ navy: "#000080",
+ oldlace: "#fdf5e6",
+ olive: "#808000",
+ olivedrab: "#6b8e23",
+ orange: "#ffa500",
+ orangered: "#ff4500",
+ orchid: "#da70d6",
+ palegoldenrod: "#eee8aa",
+ palegreen: "#98fb98",
+ paleturquoise: "#afeeee",
+ palevioletred: "#db7093",
+ papayawhip: "#ffefd5",
+ peachpuff: "#ffdab9",
+ peru: "#cd853f",
+ pink: "#ffc0cb",
+ plum: "#dda0dd",
+ powderblue: "#b0e0e6",
+ purple: "#800080",
+ red: "#ff0000",
+ rosybrown: "#bc8f8f",
+ royalblue: "#4169e1",
+ saddlebrown: "#8b4513",
+ salmon: "#fa8072",
+ sandybrown: "#f4a460",
+ seagreen: "#2e8b57",
+ seashell: "#fff5ee",
+ sienna: "#a0522d",
+ silver: "#c0c0c0",
+ skyblue: "#87ceeb",
+ slateblue: "#6a5acd",
+ slategray: "#708090",
+ slategrey: "#708090",
+ snow: "#fffafa",
+ springgreen: "#00ff7f",
+ steelblue: "#4682b4",
+ tan: "#d2b48c",
+ teal: "#008080",
+ thistle: "#d8bfd8",
+ tomato: "#ff6347",
+ turquoise: "#40e0d0",
+ violet: "#ee82ee",
+ wheat: "#f5deb3",
+ white: "#ffffff",
+ whitesmoke: "#f5f5f5",
+ yellow: "#ffff00",
+ yellowgreen: "#9acd32"
+ });
+ d3_rgb_names.forEach(function(key, value) {
+ d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb));
+ });
+ d3.hsl = function(h, s, l) {
+ return arguments.length === 1 ? h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : d3_hsl(+h, +s, +l);
+ };
+ function d3_hsl(h, s, l) {
+ return new d3_Hsl(h, s, l);
+ }
+ function d3_Hsl(h, s, l) {
+ this.h = h;
+ this.s = s;
+ this.l = l;
+ }
+ var d3_hslPrototype = d3_Hsl.prototype = new d3_Color();
+ d3_hslPrototype.brighter = function(k) {
+ k = Math.pow(.7, arguments.length ? k : 1);
+ return d3_hsl(this.h, this.s, this.l / k);
+ };
+ d3_hslPrototype.darker = function(k) {
+ k = Math.pow(.7, arguments.length ? k : 1);
+ return d3_hsl(this.h, this.s, k * this.l);
+ };
+ d3_hslPrototype.rgb = function() {
+ return d3_hsl_rgb(this.h, this.s, this.l);
+ };
+ function d3_hsl_rgb(h, s, l) {
+ var m1, m2;
+ h = h % 360;
+ if (h < 0) h += 360;
+ s = s < 0 ? 0 : s > 1 ? 1 : s;
+ l = l < 0 ? 0 : l > 1 ? 1 : l;
+ m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
+ m1 = 2 * l - m2;
+ function v(h) {
+ if (h > 360) h -= 360; else if (h < 0) h += 360;
+ if (h < 60) return m1 + (m2 - m1) * h / 60;
+ if (h < 180) return m2;
+ if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
+ return m1;
+ }
+ function vv(h) {
+ return Math.round(v(h) * 255);
+ }
+ return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
+ }
+ d3.hcl = function(h, c, l) {
+ return arguments.length === 1 ? h instanceof d3_Hcl ? d3_hcl(h.h, h.c, h.l) : h instanceof d3_Lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : d3_hcl(+h, +c, +l);
+ };
+ function d3_hcl(h, c, l) {
+ return new d3_Hcl(h, c, l);
+ }
+ function d3_Hcl(h, c, l) {
+ this.h = h;
+ this.c = c;
+ this.l = l;
+ }
+ var d3_hclPrototype = d3_Hcl.prototype = new d3_Color();
+ d3_hclPrototype.brighter = function(k) {
+ return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
+ };
+ d3_hclPrototype.darker = function(k) {
+ return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
+ };
+ d3_hclPrototype.rgb = function() {
+ return d3_hcl_lab(this.h, this.c, this.l).rgb();
+ };
+ function d3_hcl_lab(h, c, l) {
+ return d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
+ }
+ d3.lab = function(l, a, b) {
+ return arguments.length === 1 ? l instanceof d3_Lab ? d3_lab(l.l, l.a, l.b) : l instanceof d3_Hcl ? d3_hcl_lab(l.l, l.c, l.h) : d3_rgb_lab((l = d3.rgb(l)).r, l.g, l.b) : d3_lab(+l, +a, +b);
+ };
+ function d3_lab(l, a, b) {
+ return new d3_Lab(l, a, b);
+ }
+ function d3_Lab(l, a, b) {
+ this.l = l;
+ this.a = a;
+ this.b = b;
+ }
+ var d3_lab_K = 18;
+ var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
+ var d3_labPrototype = d3_Lab.prototype = new d3_Color();
+ d3_labPrototype.brighter = function(k) {
+ return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+ };
+ d3_labPrototype.darker = function(k) {
+ return d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+ };
+ d3_labPrototype.rgb = function() {
+ return d3_lab_rgb(this.l, this.a, this.b);
+ };
+ function d3_lab_rgb(l, a, b) {
+ var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
+ x = d3_lab_xyz(x) * d3_lab_X;
+ y = d3_lab_xyz(y) * d3_lab_Y;
+ z = d3_lab_xyz(z) * d3_lab_Z;
+ return d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
+ }
+ function d3_lab_hcl(l, a, b) {
+ return d3_hcl(Math.atan2(b, a) / π * 180, Math.sqrt(a * a + b * b), l);
+ }
+ function d3_lab_xyz(x) {
+ return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
+ }
+ function d3_xyz_lab(x) {
+ return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
+ }
+ function d3_xyz_rgb(r) {
+ return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
+ }
+ function d3_selection(groups) {
+ d3_arraySubclass(groups, d3_selectionPrototype);
+ return groups;
+ }
+ var d3_select = function(s, n) {
+ return n.querySelector(s);
+ }, d3_selectAll = function(s, n) {
+ return n.querySelectorAll(s);
+ }, d3_selectRoot = document.documentElement, d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector, d3_selectMatches = function(n, s) {
+ return d3_selectMatcher.call(n, s);
+ };
+ if (typeof Sizzle === "function") {
+ d3_select = function(s, n) {
+ return Sizzle(s, n)[0] || null;
+ };
+ d3_selectAll = function(s, n) {
+ return Sizzle.uniqueSort(Sizzle(s, n));
+ };
+ d3_selectMatches = Sizzle.matchesSelector;
+ }
+ var d3_selectionPrototype = [];
+ d3.selection = function() {
+ return d3_selectionRoot;
+ };
+ d3.selection.prototype = d3_selectionPrototype;
+ d3_selectionPrototype.select = function(selector) {
+ var subgroups = [], subgroup, subnode, group, node;
+ if (typeof selector !== "function") selector = d3_selection_selector(selector);
+ for (var j = -1, m = this.length; ++j < m; ) {
+ subgroups.push(subgroup = []);
+ subgroup.parentNode = (group = this[j]).parentNode;
+ for (var i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) {
+ subgroup.push(subnode = selector.call(node, node.__data__, i));
+ if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
+ } else {
+ subgroup.push(null);
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ };
+ function d3_selection_selector(selector) {
+ return function() {
+ return d3_select(selector, this);
+ };
+ }
+ d3_selectionPrototype.selectAll = function(selector) {
+ var subgroups = [], subgroup, node;
+ if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
+ for (var j = -1, m = this.length; ++j < m; ) {
+ for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) {
+ subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i)));
+ subgroup.parentNode = node;
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ };
+ function d3_selection_selectorAll(selector) {
+ return function() {
+ return d3_selectAll(selector, this);
+ };
+ }
+ d3_selectionPrototype.attr = function(name, value) {
+ if (arguments.length < 2) {
+ if (typeof name === "string") {
+ var node = this.node();
+ name = d3.ns.qualify(name);
+ return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
+ }
+ for (value in name) this.each(d3_selection_attr(value, name[value]));
+ return this;
+ }
+ return this.each(d3_selection_attr(name, value));
+ };
+ function d3_selection_attr(name, value) {
+ name = d3.ns.qualify(name);
+ function attrNull() {
+ this.removeAttribute(name);
+ }
+ function attrNullNS() {
+ this.removeAttributeNS(name.space, name.local);
+ }
+ function attrConstant() {
+ this.setAttribute(name, value);
+ }
+ function attrConstantNS() {
+ this.setAttributeNS(name.space, name.local, value);
+ }
+ function attrFunction() {
+ var x = value.apply(this, arguments);
+ if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
+ }
+ function attrFunctionNS() {
+ var x = value.apply(this, arguments);
+ if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
+ }
+ return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
+ }
+ d3_selectionPrototype.classed = function(name, value) {
+ if (arguments.length < 2) {
+ if (typeof name === "string") {
+ var node = this.node(), n = (name = name.trim().split(/^|\s+/g)).length, i = -1;
+ if (value = node.classList) {
+ while (++i < n) if (!value.contains(name[i])) return false;
+ } else {
+ value = node.className;
+ if (value.baseVal != null) value = value.baseVal;
+ while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
+ }
+ return true;
+ }
+ for (value in name) this.each(d3_selection_classed(value, name[value]));
+ return this;
+ }
+ return this.each(d3_selection_classed(name, value));
+ };
+ function d3_selection_classedRe(name) {
+ return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
+ }
+ function d3_selection_classed(name, value) {
+ name = name.trim().split(/\s+/).map(d3_selection_classedName);
+ var n = name.length;
+ function classedConstant() {
+ var i = -1;
+ while (++i < n) name[i](this, value);
+ }
+ function classedFunction() {
+ var i = -1, x = value.apply(this, arguments);
+ while (++i < n) name[i](this, x);
+ }
+ return typeof value === "function" ? classedFunction : classedConstant;
+ }
+ function d3_selection_classedName(name) {
+ var re = d3_selection_classedRe(name);
+ return function(node, value) {
+ if (c = node.classList) return value ? c.add(name) : c.remove(name);
+ var c = node.className, cb = c.baseVal != null, cv = cb ? c.baseVal : c;
+ if (value) {
+ re.lastIndex = 0;
+ if (!re.test(cv)) {
+ cv = d3_collapse(cv + " " + name);
+ if (cb) c.baseVal = cv; else node.className = cv;
+ }
+ } else if (cv) {
+ cv = d3_collapse(cv.replace(re, " "));
+ if (cb) c.baseVal = cv; else node.className = cv;
+ }
+ };
+ }
+ d3_selectionPrototype.style = function(name, value, priority) {
+ var n = arguments.length;
+ if (n < 3) {
+ if (typeof name !== "string") {
+ if (n < 2) value = "";
+ for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
+ return this;
+ }
+ if (n < 2) return getComputedStyle(this.node(), null).getPropertyValue(name);
+ priority = "";
+ }
+ return this.each(d3_selection_style(name, value, priority));
+ };
+ function d3_selection_style(name, value, priority) {
+ function styleNull() {
+ this.style.removeProperty(name);
+ }
+ function styleConstant() {
+ this.style.setProperty(name, value, priority);
+ }
+ function styleFunction() {
+ var x = value.apply(this, arguments);
+ if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
+ }
+ return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
+ }
+ d3_selectionPrototype.property = function(name, value) {
+ if (arguments.length < 2) {
+ if (typeof name === "string") return this.node()[name];
+ for (value in name) this.each(d3_selection_property(value, name[value]));
+ return this;
+ }
+ return this.each(d3_selection_property(name, value));
+ };
+ function d3_selection_property(name, value) {
+ function propertyNull() {
+ delete this[name];
+ }
+ function propertyConstant() {
+ this[name] = value;
+ }
+ function propertyFunction() {
+ var x = value.apply(this, arguments);
+ if (x == null) delete this[name]; else this[name] = x;
+ }
+ return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
+ }
+ d3_selectionPrototype.text = function(value) {
+ return arguments.length ? this.each(typeof value === "function" ? function() {
+ var v = value.apply(this, arguments);
+ this.textContent = v == null ? "" : v;
+ } : value == null ? function() {
+ this.textContent = "";
+ } : function() {
+ this.textContent = value;
+ }) : this.node().textContent;
+ };
+ d3_selectionPrototype.html = function(value) {
+ return arguments.length ? this.each(typeof value === "function" ? function() {
+ var v = value.apply(this, arguments);
+ this.innerHTML = v == null ? "" : v;
+ } : value == null ? function() {
+ this.innerHTML = "";
+ } : function() {
+ this.innerHTML = value;
+ }) : this.node().innerHTML;
+ };
+ d3_selectionPrototype.append = function(name) {
+ name = d3.ns.qualify(name);
+ function append() {
+ return this.appendChild(document.createElementNS(this.namespaceURI, name));
+ }
+ function appendNS() {
+ return this.appendChild(document.createElementNS(name.space, name.local));
+ }
+ return this.select(name.local ? appendNS : append);
+ };
+ d3_selectionPrototype.insert = function(name, before) {
+ name = d3.ns.qualify(name);
+ function insert() {
+ return this.insertBefore(document.createElementNS(this.namespaceURI, name), d3_select(before, this));
+ }
+ function insertNS() {
+ return this.insertBefore(document.createElementNS(name.space, name.local), d3_select(before, this));
+ }
+ return this.select(name.local ? insertNS : insert);
+ };
+ d3_selectionPrototype.remove = function() {
+ return this.each(function() {
+ var parent = this.parentNode;
+ if (parent) parent.removeChild(this);
+ });
+ };
+ d3_selectionPrototype.data = function(value, key) {
+ var i = -1, n = this.length, group, node;
+ if (!arguments.length) {
+ value = new Array(n = (group = this[0]).length);
+ while (++i < n) {
+ if (node = group[i]) {
+ value[i] = node.__data__;
+ }
+ }
+ return value;
+ }
+ function bind(group, groupData) {
+ var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), n1 = Math.max(n, m), updateNodes = [], enterNodes = [], exitNodes = [], node, nodeData;
+ if (key) {
+ var nodeByKeyValue = new d3_Map(), keyValues = [], keyValue, j = groupData.length;
+ for (i = -1; ++i < n; ) {
+ keyValue = key.call(node = group[i], node.__data__, i);
+ if (nodeByKeyValue.has(keyValue)) {
+ exitNodes[j++] = node;
+ } else {
+ nodeByKeyValue.set(keyValue, node);
+ }
+ keyValues.push(keyValue);
+ }
+ for (i = -1; ++i < m; ) {
+ keyValue = key.call(groupData, nodeData = groupData[i], i);
+ if (nodeByKeyValue.has(keyValue)) {
+ updateNodes[i] = node = nodeByKeyValue.get(keyValue);
+ node.__data__ = nodeData;
+ enterNodes[i] = exitNodes[i] = null;
+ } else {
+ enterNodes[i] = d3_selection_dataNode(nodeData);
+ updateNodes[i] = exitNodes[i] = null;
+ }
+ nodeByKeyValue.remove(keyValue);
+ }
+ for (i = -1; ++i < n; ) {
+ if (nodeByKeyValue.has(keyValues[i])) {
+ exitNodes[i] = group[i];
+ }
+ }
+ } else {
+ for (i = -1; ++i < n0; ) {
+ node = group[i];
+ nodeData = groupData[i];
+ if (node) {
+ node.__data__ = nodeData;
+ updateNodes[i] = node;
+ enterNodes[i] = exitNodes[i] = null;
+ } else {
+ enterNodes[i] = d3_selection_dataNode(nodeData);
+ updateNodes[i] = exitNodes[i] = null;
+ }
+ }
+ for (;i < m; ++i) {
+ enterNodes[i] = d3_selection_dataNode(groupData[i]);
+ updateNodes[i] = exitNodes[i] = null;
+ }
+ for (;i < n1; ++i) {
+ exitNodes[i] = group[i];
+ enterNodes[i] = updateNodes[i] = null;
+ }
+ }
+ enterNodes.update = updateNodes;
+ enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
+ enter.push(enterNodes);
+ update.push(updateNodes);
+ exit.push(exitNodes);
+ }
+ var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
+ if (typeof value === "function") {
+ while (++i < n) {
+ bind(group = this[i], value.call(group, group.parentNode.__data__, i));
+ }
+ } else {
+ while (++i < n) {
+ bind(group = this[i], value);
+ }
+ }
+ update.enter = function() {
+ return enter;
+ };
+ update.exit = function() {
+ return exit;
+ };
+ return update;
+ };
+ function d3_selection_dataNode(data) {
+ return {
+ __data__: data
+ };
+ }
+ d3_selectionPrototype.datum = function(value) {
+ return arguments.length ? this.property("__data__", value) : this.property("__data__");
+ };
+ d3_selectionPrototype.filter = function(filter) {
+ var subgroups = [], subgroup, group, node;
+ if (typeof filter !== "function") filter = d3_selection_filter(filter);
+ for (var j = 0, m = this.length; j < m; j++) {
+ subgroups.push(subgroup = []);
+ subgroup.parentNode = (group = this[j]).parentNode;
+ for (var i = 0, n = group.length; i < n; i++) {
+ if ((node = group[i]) && filter.call(node, node.__data__, i)) {
+ subgroup.push(node);
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ };
+ function d3_selection_filter(selector) {
+ return function() {
+ return d3_selectMatches(this, selector);
+ };
+ }
+ d3_selectionPrototype.order = function() {
+ for (var j = -1, m = this.length; ++j < m; ) {
+ for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
+ if (node = group[i]) {
+ if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
+ next = node;
+ }
+ }
+ }
+ return this;
+ };
+ d3_selectionPrototype.sort = function(comparator) {
+ comparator = d3_selection_sortComparator.apply(this, arguments);
+ for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
+ return this.order();
+ };
+ function d3_selection_sortComparator(comparator) {
+ if (!arguments.length) comparator = d3.ascending;
+ return function(a, b) {
+ return comparator(a && a.__data__, b && b.__data__);
+ };
+ }
+ d3_selectionPrototype.on = function(type, listener, capture) {
+ var n = arguments.length;
+ if (n < 3) {
+ if (typeof type !== "string") {
+ if (n < 2) listener = false;
+ for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
+ return this;
+ }
+ if (n < 2) return (n = this.node()["__on" + type]) && n._;
+ capture = false;
+ }
+ return this.each(d3_selection_on(type, listener, capture));
+ };
+ function d3_selection_on(type, listener, capture) {
+ var name = "__on" + type, i = type.indexOf(".");
+ if (i > 0) type = type.substring(0, i);
+ function onRemove() {
+ var wrapper = this[name];
+ if (wrapper) {
+ this.removeEventListener(type, wrapper, wrapper.$);
+ delete this[name];
+ }
+ }
+ function onAdd() {
+ var node = this, args = d3_array(arguments);
+ onRemove.call(this);
+ this.addEventListener(type, this[name] = wrapper, wrapper.$ = capture);
+ wrapper._ = listener;
+ function wrapper(e) {
+ var o = d3.event;
+ d3.event = e;
+ args[0] = node.__data__;
+ try {
+ listener.apply(node, args);
+ } finally {
+ d3.event = o;
+ }
+ }
+ }
+ return listener ? onAdd : onRemove;
+ }
+ d3_selectionPrototype.each = function(callback) {
+ return d3_selection_each(this, function(node, i, j) {
+ callback.call(node, node.__data__, i, j);
+ });
+ };
+ function d3_selection_each(groups, callback) {
+ for (var j = 0, m = groups.length; j < m; j++) {
+ for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
+ if (node = group[i]) callback(node, i, j);
+ }
+ }
+ return groups;
+ }
+ d3_selectionPrototype.call = function(callback) {
+ var args = d3_array(arguments);
+ callback.apply(args[0] = this, args);
+ return this;
+ };
+ d3_selectionPrototype.empty = function() {
+ return !this.node();
+ };
+ d3_selectionPrototype.node = function() {
+ for (var j = 0, m = this.length; j < m; j++) {
+ for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+ var node = group[i];
+ if (node) return node;
+ }
+ }
+ return null;
+ };
+ d3_selectionPrototype.transition = function() {
+ var id = d3_transitionInheritId || ++d3_transitionId, subgroups = [], subgroup, node, transition = Object.create(d3_transitionInherit);
+ transition.time = Date.now();
+ for (var j = -1, m = this.length; ++j < m; ) {
+ subgroups.push(subgroup = []);
+ for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) d3_transitionNode(node, i, id, transition);
+ subgroup.push(node);
+ }
+ }
+ return d3_transition(subgroups, id);
+ };
+ var d3_selectionRoot = d3_selection([ [ document ] ]);
+ d3_selectionRoot[0].parentNode = d3_selectRoot;
+ d3.select = function(selector) {
+ return typeof selector === "string" ? d3_selectionRoot.select(selector) : d3_selection([ [ selector ] ]);
+ };
+ d3.selectAll = function(selector) {
+ return typeof selector === "string" ? d3_selectionRoot.selectAll(selector) : d3_selection([ d3_array(selector) ]);
+ };
+ function d3_selection_enter(selection) {
+ d3_arraySubclass(selection, d3_selection_enterPrototype);
+ return selection;
+ }
+ var d3_selection_enterPrototype = [];
+ d3.selection.enter = d3_selection_enter;
+ d3.selection.enter.prototype = d3_selection_enterPrototype;
+ d3_selection_enterPrototype.append = d3_selectionPrototype.append;
+ d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
+ d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
+ d3_selection_enterPrototype.node = d3_selectionPrototype.node;
+ d3_selection_enterPrototype.select = function(selector) {
+ var subgroups = [], subgroup, subnode, upgroup, group, node;
+ for (var j = -1, m = this.length; ++j < m; ) {
+ upgroup = (group = this[j]).update;
+ subgroups.push(subgroup = []);
+ subgroup.parentNode = group.parentNode;
+ for (var i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) {
+ subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i));
+ subnode.__data__ = node.__data__;
+ } else {
+ subgroup.push(null);
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ };
+ function d3_transition(groups, id) {
+ d3_arraySubclass(groups, d3_transitionPrototype);
+ groups.id = id;
+ return groups;
+ }
+ var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit = {
+ ease: d3_ease_cubicInOut,
+ delay: 0,
+ duration: 250
+ };
+ d3_transitionPrototype.call = d3_selectionPrototype.call;
+ d3_transitionPrototype.empty = d3_selectionPrototype.empty;
+ d3_transitionPrototype.node = d3_selectionPrototype.node;
+ d3.transition = function(selection) {
+ return arguments.length ? d3_transitionInheritId ? selection.transition() : selection : d3_selectionRoot.transition();
+ };
+ d3.transition.prototype = d3_transitionPrototype;
+ function d3_transitionNode(node, i, id, inherit) {
+ var lock = node.__transition__ || (node.__transition__ = {
+ active: 0,
+ count: 0
+ }), transition = lock[id];
+ if (!transition) {
+ var time = inherit.time;
+ transition = lock[id] = {
+ tween: new d3_Map(),
+ event: d3.dispatch("start", "end"),
+ time: time,
+ ease: inherit.ease,
+ delay: inherit.delay,
+ duration: inherit.duration
+ };
+ ++lock.count;
+ d3.timer(function(elapsed) {
+ var d = node.__data__, ease = transition.ease, event = transition.event, delay = transition.delay, duration = transition.duration, tweened = [];
+ return delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time), 1;
+ function start(elapsed) {
+ if (lock.active > id) return stop();
+ lock.active = id;
+ event.start.call(node, d, i);
+ transition.tween.forEach(function(key, value) {
+ if (value = value.call(node, d, i)) {
+ tweened.push(value);
+ }
+ });
+ if (!tick(elapsed)) d3.timer(tick, 0, time);
+ return 1;
+ }
+ function tick(elapsed) {
+ if (lock.active !== id) return stop();
+ var t = (elapsed - delay) / duration, e = ease(t), n = tweened.length;
+ while (n > 0) {
+ tweened[--n].call(node, e);
+ }
+ if (t >= 1) {
+ stop();
+ event.end.call(node, d, i);
+ return 1;
+ }
+ }
+ function stop() {
+ if (--lock.count) delete lock[id]; else delete node.__transition__;
+ return 1;
+ }
+ }, 0, time);
+ return transition;
+ }
+ }
+ d3_transitionPrototype.select = function(selector) {
+ var id = this.id, subgroups = [], subgroup, subnode, node;
+ if (typeof selector !== "function") selector = d3_selection_selector(selector);
+ for (var j = -1, m = this.length; ++j < m; ) {
+ subgroups.push(subgroup = []);
+ for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i))) {
+ if ("__data__" in node) subnode.__data__ = node.__data__;
+ d3_transitionNode(subnode, i, id, node.__transition__[id]);
+ subgroup.push(subnode);
+ } else {
+ subgroup.push(null);
+ }
+ }
+ }
+ return d3_transition(subgroups, id);
+ };
+ d3_transitionPrototype.selectAll = function(selector) {
+ var id = this.id, subgroups = [], subgroup, subnodes, node, subnode, transition;
+ if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
+ for (var j = -1, m = this.length; ++j < m; ) {
+ for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) {
+ transition = node.__transition__[id];
+ subnodes = selector.call(node, node.__data__, i);
+ subgroups.push(subgroup = []);
+ for (var k = -1, o = subnodes.length; ++k < o; ) {
+ d3_transitionNode(subnode = subnodes[k], k, id, transition);
+ subgroup.push(subnode);
+ }
+ }
+ }
+ }
+ return d3_transition(subgroups, id);
+ };
+ d3_transitionPrototype.filter = function(filter) {
+ var subgroups = [], subgroup, group, node;
+ if (typeof filter !== "function") filter = d3_selection_filter(filter);
+ for (var j = 0, m = this.length; j < m; j++) {
+ subgroups.push(subgroup = []);
+ for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+ if ((node = group[i]) && filter.call(node, node.__data__, i)) {
+ subgroup.push(node);
+ }
+ }
+ }
+ return d3_transition(subgroups, this.id, this.time).ease(this.ease());
+ };
+ d3_transitionPrototype.attr = function(nameNS, value) {
+ if (arguments.length < 2) {
+ for (value in nameNS) this.attr(value, nameNS[value]);
+ return this;
+ }
+ var interpolate = d3_interpolateByName(nameNS), name = d3.ns.qualify(nameNS);
+ function attrNull() {
+ this.removeAttribute(name);
+ }
+ function attrNullNS() {
+ this.removeAttributeNS(name.space, name.local);
+ }
+ return d3_transition_tween(this, "attr." + nameNS, value, function(b) {
+ function attrString() {
+ var a = this.getAttribute(name), i;
+ return a !== b && (i = interpolate(a, b), function(t) {
+ this.setAttribute(name, i(t));
+ });
+ }
+ function attrStringNS() {
+ var a = this.getAttributeNS(name.space, name.local), i;
+ return a !== b && (i = interpolate(a, b), function(t) {
+ this.setAttributeNS(name.space, name.local, i(t));
+ });
+ }
+ return b == null ? name.local ? attrNullNS : attrNull : (b += "", name.local ? attrStringNS : attrString);
+ });
+ };
+ d3_transitionPrototype.attrTween = function(nameNS, tween) {
+ var name = d3.ns.qualify(nameNS);
+ function attrTween(d, i) {
+ var f = tween.call(this, d, i, this.getAttribute(name));
+ return f && function(t) {
+ this.setAttribute(name, f(t));
+ };
+ }
+ function attrTweenNS(d, i) {
+ var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
+ return f && function(t) {
+ this.setAttributeNS(name.space, name.local, f(t));
+ };
+ }
+ return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
+ };
+ d3_transitionPrototype.style = function(name, value, priority) {
+ var n = arguments.length;
+ if (n < 3) {
+ if (typeof name !== "string") {
+ if (n < 2) value = "";
+ for (priority in name) this.style(priority, name[priority], value);
+ return this;
+ }
+ priority = "";
+ }
+ var interpolate = d3_interpolateByName(name);
+ function styleNull() {
+ this.style.removeProperty(name);
+ }
+ return d3_transition_tween(this, "style." + name, value, function(b) {
+ function styleString() {
+ var a = getComputedStyle(this, null).getPropertyValue(name), i;
+ return a !== b && (i = interpolate(a, b), function(t) {
+ this.style.setProperty(name, i(t), priority);
+ });
+ }
+ return b == null ? styleNull : (b += "", styleString);
+ });
+ };
+ d3_transitionPrototype.styleTween = function(name, tween, priority) {
+ if (arguments.length < 3) priority = "";
+ return this.tween("style." + name, function(d, i) {
+ var f = tween.call(this, d, i, getComputedStyle(this, null).getPropertyValue(name));
+ return f && function(t) {
+ this.style.setProperty(name, f(t), priority);
+ };
+ });
+ };
+ d3_transitionPrototype.text = function(value) {
+ return d3_transition_tween(this, "text", value, d3_transition_text);
+ };
+ function d3_transition_text(b) {
+ if (b == null) b = "";
+ return function() {
+ this.textContent = b;
+ };
+ }
+ d3_transitionPrototype.remove = function() {
+ return this.each("end.transition", function() {
+ var p;
+ if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
+ });
+ };
+ d3_transitionPrototype.ease = function(value) {
+ var id = this.id;
+ if (arguments.length < 1) return this.node().__transition__[id].ease;
+ if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
+ return d3_selection_each(this, function(node) {
+ node.__transition__[id].ease = value;
+ });
+ };
+ d3_transitionPrototype.delay = function(value) {
+ var id = this.id;
+ return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+ node.__transition__[id].delay = value.call(node, node.__data__, i, j) | 0;
+ } : (value |= 0, function(node) {
+ node.__transition__[id].delay = value;
+ }));
+ };
+ d3_transitionPrototype.duration = function(value) {
+ var id = this.id;
+ return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+ node.__transition__[id].duration = Math.max(1, value.call(node, node.__data__, i, j) | 0);
+ } : (value = Math.max(1, value | 0), function(node) {
+ node.__transition__[id].duration = value;
+ }));
+ };
+ d3_transitionPrototype.each = function(type, listener) {
+ var id = this.id;
+ if (arguments.length < 2) {
+ var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
+ d3_transitionInheritId = id;
+ d3_selection_each(this, function(node, i, j) {
+ d3_transitionInherit = node.__transition__[id];
+ type.call(node, node.__data__, i, j);
+ });
+ d3_transitionInherit = inherit;
+ d3_transitionInheritId = inheritId;
+ } else {
+ d3_selection_each(this, function(node) {
+ node.__transition__[id].event.on(type, listener);
+ });
+ }
+ return this;
+ };
+ d3_transitionPrototype.transition = function() {
+ var id0 = this.id, id1 = ++d3_transitionId, subgroups = [], subgroup, group, node, transition;
+ for (var j = 0, m = this.length; j < m; j++) {
+ subgroups.push(subgroup = []);
+ for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+ if (node = group[i]) {
+ transition = Object.create(node.__transition__[id0]);
+ transition.delay += transition.duration;
+ d3_transitionNode(node, i, id1, transition);
+ }
+ subgroup.push(node);
+ }
+ }
+ return d3_transition(subgroups, id1);
+ };
+ d3_transitionPrototype.tween = function(name, tween) {
+ var id = this.id;
+ if (arguments.length < 2) return this.node().__transition__[id].tween.get(name);
+ return d3_selection_each(this, tween == null ? function(node) {
+ node.__transition__[id].tween.remove(name);
+ } : function(node) {
+ node.__transition__[id].tween.set(name, tween);
+ });
+ };
+ function d3_transition_tween(groups, name, value, tween) {
+ var id = groups.id;
+ return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
+ node.__transition__[id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
+ } : (value = tween(value), function(node) {
+ node.__transition__[id].tween.set(name, value);
+ }));
+ }
+ var d3_timer_id = 0, d3_timer_byId = {}, d3_timer_queue = null, d3_timer_interval, d3_timer_timeout;
+ d3.timer = function(callback, delay, then) {
+ if (arguments.length < 3) {
+ if (arguments.length < 2) delay = 0; else if (!isFinite(delay)) return;
+ then = Date.now();
+ }
+ var timer = d3_timer_byId[callback.id];
+ if (timer && timer.callback === callback) {
+ timer.then = then;
+ timer.delay = delay;
+ } else d3_timer_byId[callback.id = ++d3_timer_id] = d3_timer_queue = {
+ callback: callback,
+ then: then,
+ delay: delay,
+ next: d3_timer_queue
+ };
+ if (!d3_timer_interval) {
+ d3_timer_timeout = clearTimeout(d3_timer_timeout);
+ d3_timer_interval = 1;
+ d3_timer_frame(d3_timer_step);
+ }
+ };
+ function d3_timer_step() {
+ var elapsed, now = Date.now(), t1 = d3_timer_queue;
+ while (t1) {
+ elapsed = now - t1.then;
+ if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed);
+ t1 = t1.next;
+ }
+ var delay = d3_timer_flush() - now;
+ if (delay > 24) {
+ if (isFinite(delay)) {
+ clearTimeout(d3_timer_timeout);
+ d3_timer_timeout = setTimeout(d3_timer_step, delay);
+ }
+ d3_timer_interval = 0;
+ } else {
+ d3_timer_interval = 1;
+ d3_timer_frame(d3_timer_step);
+ }
+ }
+ d3.timer.flush = function() {
+ var elapsed, now = Date.now(), t1 = d3_timer_queue;
+ while (t1) {
+ elapsed = now - t1.then;
+ if (!t1.delay) t1.flush = t1.callback(elapsed);
+ t1 = t1.next;
+ }
+ d3_timer_flush();
+ };
+ function d3_timer_flush() {
+ var t0 = null, t1 = d3_timer_queue, then = Infinity;
+ while (t1) {
+ if (t1.flush) {
+ delete d3_timer_byId[t1.callback.id];
+ t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
+ } else {
+ then = Math.min(then, t1.then + t1.delay);
+ t1 = (t0 = t1).next;
+ }
+ }
+ return then;
+ }
+ var d3_timer_frame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(callback) {
+ setTimeout(callback, 17);
+ };
+ d3.mouse = function(container) {
+ return d3_mousePoint(container, d3_eventSource());
+ };
+ var d3_mouse_bug44083 = /WebKit/.test(navigator.userAgent) ? -1 : 0;
+ function d3_mousePoint(container, e) {
+ var svg = container.ownerSVGElement || container;
+ if (svg.createSVGPoint) {
+ var point = svg.createSVGPoint();
+ if (d3_mouse_bug44083 < 0 && (window.scrollX || window.scrollY)) {
+ svg = d3.select(document.body).append("svg").style("position", "absolute").style("top", 0).style("left", 0);
+ var ctm = svg[0][0].getScreenCTM();
+ d3_mouse_bug44083 = !(ctm.f || ctm.e);
+ svg.remove();
+ }
+ if (d3_mouse_bug44083) {
+ point.x = e.pageX;
+ point.y = e.pageY;
+ } else {
+ point.x = e.clientX;
+ point.y = e.clientY;
+ }
+ point = point.matrixTransform(container.getScreenCTM().inverse());
+ return [ point.x, point.y ];
+ }
+ var rect = container.getBoundingClientRect();
+ return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
+ }
+ d3.touches = function(container, touches) {
+ if (arguments.length < 2) touches = d3_eventSource().touches;
+ return touches ? d3_array(touches).map(function(touch) {
+ var point = d3_mousePoint(container, touch);
+ point.identifier = touch.identifier;
+ return point;
+ }) : [];
+ };
+ function d3_noop() {}
+ d3.scale = {};
+ function d3_scaleExtent(domain) {
+ var start = domain[0], stop = domain[domain.length - 1];
+ return start < stop ? [ start, stop ] : [ stop, start ];
+ }
+ function d3_scaleRange(scale) {
+ return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
+ }
+ function d3_scale_nice(domain, nice) {
+ var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
+ if (x1 < x0) {
+ dx = i0, i0 = i1, i1 = dx;
+ dx = x0, x0 = x1, x1 = dx;
+ }
+ if (nice = nice(x1 - x0)) {
+ domain[i0] = nice.floor(x0);
+ domain[i1] = nice.ceil(x1);
+ }
+ return domain;
+ }
+ function d3_scale_niceDefault() {
+ return Math;
+ }
+ d3.scale.linear = function() {
+ return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3.interpolate, false);
+ };
+ function d3_scale_linear(domain, range, interpolate, clamp) {
+ var output, input;
+ function rescale() {
+ var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
+ output = linear(domain, range, uninterpolate, interpolate);
+ input = linear(range, domain, uninterpolate, d3.interpolate);
+ return scale;
+ }
+ function scale(x) {
+ return output(x);
+ }
+ scale.invert = function(y) {
+ return input(y);
+ };
+ scale.domain = function(x) {
+ if (!arguments.length) return domain;
+ domain = x.map(Number);
+ return rescale();
+ };
+ scale.range = function(x) {
+ if (!arguments.length) return range;
+ range = x;
+ return rescale();
+ };
+ scale.rangeRound = function(x) {
+ return scale.range(x).interpolate(d3.interpolateRound);
+ };
+ scale.clamp = function(x) {
+ if (!arguments.length) return clamp;
+ clamp = x;
+ return rescale();
+ };
+ scale.interpolate = function(x) {
+ if (!arguments.length) return interpolate;
+ interpolate = x;
+ return rescale();
+ };
+ scale.ticks = function(m) {
+ return d3_scale_linearTicks(domain, m);
+ };
+ scale.tickFormat = function(m) {
+ return d3_scale_linearTickFormat(domain, m);
+ };
+ scale.nice = function() {
+ d3_scale_nice(domain, d3_scale_linearNice);
+ return rescale();
+ };
+ scale.copy = function() {
+ return d3_scale_linear(domain, range, interpolate, clamp);
+ };
+ return rescale();
+ }
+ function d3_scale_linearRebind(scale, linear) {
+ return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+ }
+ function d3_scale_linearNice(dx) {
+ dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
+ return dx && {
+ floor: function(x) {
+ return Math.floor(x / dx) * dx;
+ },
+ ceil: function(x) {
+ return Math.ceil(x / dx) * dx;
+ }
+ };
+ }
+ function d3_scale_linearTickRange(domain, m) {
+ var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
+ if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
+ extent[0] = Math.ceil(extent[0] / step) * step;
+ extent[1] = Math.floor(extent[1] / step) * step + step * .5;
+ extent[2] = step;
+ return extent;
+ }
+ function d3_scale_linearTicks(domain, m) {
+ return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
+ }
+ function d3_scale_linearTickFormat(domain, m) {
+ return d3.format(",." + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01)) + "f");
+ }
+ function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
+ var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
+ return function(x) {
+ return i(u(x));
+ };
+ }
+ function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
+ var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
+ if (domain[k] < domain[0]) {
+ domain = domain.slice().reverse();
+ range = range.slice().reverse();
+ }
+ while (++j <= k) {
+ u.push(uninterpolate(domain[j - 1], domain[j]));
+ i.push(interpolate(range[j - 1], range[j]));
+ }
+ return function(x) {
+ var j = d3.bisect(domain, x, 1, k) - 1;
+ return i[j](u[j](x));
+ };
+ }
+ d3.scale.log = function() {
+ return d3_scale_log(d3.scale.linear(), d3_scale_logp);
+ };
+ function d3_scale_log(linear, log) {
+ var pow = log.pow;
+ function scale(x) {
+ return linear(log(x));
+ }
+ scale.invert = function(x) {
+ return pow(linear.invert(x));
+ };
+ scale.domain = function(x) {
+ if (!arguments.length) return linear.domain().map(pow);
+ log = x[0] < 0 ? d3_scale_logn : d3_scale_logp;
+ pow = log.pow;
+ linear.domain(x.map(log));
+ return scale;
+ };
+ scale.nice = function() {
+ linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault));
+ return scale;
+ };
+ scale.ticks = function() {
+ var extent = d3_scaleExtent(linear.domain()), ticks = [];
+ if (extent.every(isFinite)) {
+ var i = Math.floor(extent[0]), j = Math.ceil(extent[1]), u = pow(extent[0]), v = pow(extent[1]);
+ if (log === d3_scale_logn) {
+ ticks.push(pow(i));
+ for (;i++ < j; ) for (var k = 9; k > 0; k--) ticks.push(pow(i) * k);
+ } else {
+ for (;i < j; i++) for (var k = 1; k < 10; k++) ticks.push(pow(i) * k);
+ ticks.push(pow(i));
+ }
+ for (i = 0; ticks[i] < u; i++) {}
+ for (j = ticks.length; ticks[j - 1] > v; j--) {}
+ ticks = ticks.slice(i, j);
+ }
+ return ticks;
+ };
+ scale.tickFormat = function(n, format) {
+ if (arguments.length < 2) format = d3_scale_logFormat;
+ if (!arguments.length) return format;
+ var k = Math.max(.1, n / scale.ticks().length), f = log === d3_scale_logn ? (e = -1e-12,
+ Math.floor) : (e = 1e-12, Math.ceil), e;
+ return function(d) {
+ return d / pow(f(log(d) + e)) <= k ? format(d) : "";
+ };
+ };
+ scale.copy = function() {
+ return d3_scale_log(linear.copy(), log);
+ };
+ return d3_scale_linearRebind(scale, linear);
+ }
+ var d3_scale_logFormat = d3.format(".0e");
+ function d3_scale_logp(x) {
+ return Math.log(x < 0 ? 0 : x) / Math.LN10;
+ }
+ function d3_scale_logn(x) {
+ return -Math.log(x > 0 ? 0 : -x) / Math.LN10;
+ }
+ d3_scale_logp.pow = function(x) {
+ return Math.pow(10, x);
+ };
+ d3_scale_logn.pow = function(x) {
+ return -Math.pow(10, -x);
+ };
+ d3.scale.pow = function() {
+ return d3_scale_pow(d3.scale.linear(), 1);
+ };
+ function d3_scale_pow(linear, exponent) {
+ var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
+ function scale(x) {
+ return linear(powp(x));
+ }
+ scale.invert = function(x) {
+ return powb(linear.invert(x));
+ };
+ scale.domain = function(x) {
+ if (!arguments.length) return linear.domain().map(powb);
+ linear.domain(x.map(powp));
+ return scale;
+ };
+ scale.ticks = function(m) {
+ return d3_scale_linearTicks(scale.domain(), m);
+ };
+ scale.tickFormat = function(m) {
+ return d3_scale_linearTickFormat(scale.domain(), m);
+ };
+ scale.nice = function() {
+ return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
+ };
+ scale.exponent = function(x) {
+ if (!arguments.length) return exponent;
+ var domain = scale.domain();
+ powp = d3_scale_powPow(exponent = x);
+ powb = d3_scale_powPow(1 / exponent);
+ return scale.domain(domain);
+ };
+ scale.copy = function() {
+ return d3_scale_pow(linear.copy(), exponent);
+ };
+ return d3_scale_linearRebind(scale, linear);
+ }
+ function d3_scale_powPow(e) {
+ return function(x) {
+ return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
+ };
+ }
+ d3.scale.sqrt = function() {
+ return d3.scale.pow().exponent(.5);
+ };
+ d3.scale.ordinal = function() {
+ return d3_scale_ordinal([], {
+ t: "range",
+ a: [ [] ]
+ });
+ };
+ function d3_scale_ordinal(domain, ranger) {
+ var index, range, rangeBand;
+ function scale(x) {
+ return range[((index.get(x) || index.set(x, domain.push(x))) - 1) % range.length];
+ }
+ function steps(start, step) {
+ return d3.range(domain.length).map(function(i) {
+ return start + step * i;
+ });
+ }
+ scale.domain = function(x) {
+ if (!arguments.length) return domain;
+ domain = [];
+ index = new d3_Map();
+ var i = -1, n = x.length, xi;
+ while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
+ return scale[ranger.t].apply(scale, ranger.a);
+ };
+ scale.range = function(x) {
+ if (!arguments.length) return range;
+ range = x;
+ rangeBand = 0;
+ ranger = {
+ t: "range",
+ a: arguments
+ };
+ return scale;
+ };
+ scale.rangePoints = function(x, padding) {
+ if (arguments.length < 2) padding = 0;
+ var start = x[0], stop = x[1], step = (stop - start) / (Math.max(1, domain.length - 1) + padding);
+ range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
+ rangeBand = 0;
+ ranger = {
+ t: "rangePoints",
+ a: arguments
+ };
+ return scale;
+ };
+ scale.rangeBands = function(x, padding, outerPadding) {
+ if (arguments.length < 2) padding = 0;
+ if (arguments.length < 3) outerPadding = padding;
+ var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
+ range = steps(start + step * outerPadding, step);
+ if (reverse) range.reverse();
+ rangeBand = step * (1 - padding);
+ ranger = {
+ t: "rangeBands",
+ a: arguments
+ };
+ return scale;
+ };
+ scale.rangeRoundBands = function(x, padding, outerPadding) {
+ if (arguments.length < 2) padding = 0;
+ if (arguments.length < 3) outerPadding = padding;
+ var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)), error = stop - start - (domain.length - padding) * step;
+ range = steps(start + Math.round(error / 2), step);
+ if (reverse) range.reverse();
+ rangeBand = Math.round(step * (1 - padding));
+ ranger = {
+ t: "rangeRoundBands",
+ a: arguments
+ };
+ return scale;
+ };
+ scale.rangeBand = function() {
+ return rangeBand;
+ };
+ scale.rangeExtent = function() {
+ return d3_scaleExtent(ranger.a[0]);
+ };
+ scale.copy = function() {
+ return d3_scale_ordinal(domain, ranger);
+ };
+ return scale.domain(domain);
+ }
+ d3.scale.category10 = function() {
+ return d3.scale.ordinal().range(d3_category10);
+ };
+ d3.scale.category20 = function() {
+ return d3.scale.ordinal().range(d3_category20);
+ };
+ d3.scale.category20b = function() {
+ return d3.scale.ordinal().range(d3_category20b);
+ };
+ d3.scale.category20c = function() {
+ return d3.scale.ordinal().range(d3_category20c);
+ };
+ var d3_category10 = [ "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf" ];
+ var d3_category20 = [ "#1f77b4", "#aec7e8", "#ff7f0e", "#ffbb78", "#2ca02c", "#98df8a", "#d62728", "#ff9896", "#9467bd", "#c5b0d5", "#8c564b", "#c49c94", "#e377c2", "#f7b6d2", "#7f7f7f", "#c7c7c7", "#bcbd22", "#dbdb8d", "#17becf", "#9edae5" ];
+ var d3_category20b = [ "#393b79", "#5254a3", "#6b6ecf", "#9c9ede", "#637939", "#8ca252", "#b5cf6b", "#cedb9c", "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94", "#843c39", "#ad494a", "#d6616b", "#e7969c", "#7b4173", "#a55194", "#ce6dbd", "#de9ed6" ];
+ var d3_category20c = [ "#3182bd", "#6baed6", "#9ecae1", "#c6dbef", "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2", "#31a354", "#74c476", "#a1d99b", "#c7e9c0", "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb", "#636363", "#969696", "#bdbdbd", "#d9d9d9" ];
+ d3.scale.quantile = function() {
+ return d3_scale_quantile([], []);
+ };
+ function d3_scale_quantile(domain, range) {
+ var thresholds;
+ function rescale() {
+ var k = 0, q = range.length;
+ thresholds = [];
+ while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
+ return scale;
+ }
+ function scale(x) {
+ if (isNaN(x = +x)) return NaN;
+ return range[d3.bisect(thresholds, x)];
+ }
+ scale.domain = function(x) {
+ if (!arguments.length) return domain;
+ domain = x.filter(function(d) {
+ return !isNaN(d);
+ }).sort(d3.ascending);
+ return rescale();
+ };
+ scale.range = function(x) {
+ if (!arguments.length) return range;
+ range = x;
+ return rescale();
+ };
+ scale.quantiles = function() {
+ return thresholds;
+ };
+ scale.copy = function() {
+ return d3_scale_quantile(domain, range);
+ };
+ return rescale();
+ }
+ d3.scale.quantize = function() {
+ return d3_scale_quantize(0, 1, [ 0, 1 ]);
+ };
+ function d3_scale_quantize(x0, x1, range) {
+ var kx, i;
+ function scale(x) {
+ return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
+ }
+ function rescale() {
+ kx = range.length / (x1 - x0);
+ i = range.length - 1;
+ return scale;
+ }
+ scale.domain = function(x) {
+ if (!arguments.length) return [ x0, x1 ];
+ x0 = +x[0];
+ x1 = +x[x.length - 1];
+ return rescale();
+ };
+ scale.range = function(x) {
+ if (!arguments.length) return range;
+ range = x;
+ return rescale();
+ };
+ scale.copy = function() {
+ return d3_scale_quantize(x0, x1, range);
+ };
+ return rescale();
+ }
+ d3.scale.threshold = function() {
+ return d3_scale_threshold([ .5 ], [ 0, 1 ]);
+ };
+ function d3_scale_threshold(domain, range) {
+ function scale(x) {
+ return range[d3.bisect(domain, x)];
+ }
+ scale.domain = function(_) {
+ if (!arguments.length) return domain;
+ domain = _;
+ return scale;
+ };
+ scale.range = function(_) {
+ if (!arguments.length) return range;
+ range = _;
+ return scale;
+ };
+ scale.copy = function() {
+ return d3_scale_threshold(domain, range);
+ };
+ return scale;
+ }
+ d3.scale.identity = function() {
+ return d3_scale_identity([ 0, 1 ]);
+ };
+ function d3_scale_identity(domain) {
+ function identity(x) {
+ return +x;
+ }
+ identity.invert = identity;
+ identity.domain = identity.range = function(x) {
+ if (!arguments.length) return domain;
+ domain = x.map(identity);
+ return identity;
+ };
+ identity.ticks = function(m) {
+ return d3_scale_linearTicks(domain, m);
+ };
+ identity.tickFormat = function(m) {
+ return d3_scale_linearTickFormat(domain, m);
+ };
+ identity.copy = function() {
+ return d3_scale_identity(domain);
+ };
+ return identity;
+ }
+ d3.svg = {};
+ d3.svg.arc = function() {
+ var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+ function arc() {
+ var r0 = innerRadius.apply(this, arguments), r1 = outerRadius.apply(this, arguments), a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, da = (a1 < a0 && (da = a0,
+ a0 = a1, a1 = da), a1 - a0), df = da < π ? "0" : "1", c0 = Math.cos(a0), s0 = Math.sin(a0), c1 = Math.cos(a1), s1 = Math.sin(a1);
+ return da >= d3_svg_arcMax ? r0 ? "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "M0," + r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + -r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + r0 + "Z" : "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "Z" : r0 ? "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L" + r0 * c1 + "," + r0 * s1 + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0 + "Z" : "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L0,0" + "Z";
+ }
+ arc.innerRadius = function(v) {
+ if (!arguments.length) return innerRadius;
+ innerRadius = d3_functor(v);
+ return arc;
+ };
+ arc.outerRadius = function(v) {
+ if (!arguments.length) return outerRadius;
+ outerRadius = d3_functor(v);
+ return arc;
+ };
+ arc.startAngle = function(v) {
+ if (!arguments.length) return startAngle;
+ startAngle = d3_functor(v);
+ return arc;
+ };
+ arc.endAngle = function(v) {
+ if (!arguments.length) return endAngle;
+ endAngle = d3_functor(v);
+ return arc;
+ };
+ arc.centroid = function() {
+ var r = (innerRadius.apply(this, arguments) + outerRadius.apply(this, arguments)) / 2, a = (startAngle.apply(this, arguments) + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
+ return [ Math.cos(a) * r, Math.sin(a) * r ];
+ };
+ return arc;
+ };
+ var d3_svg_arcOffset = -π / 2, d3_svg_arcMax = 2 * π - 1e-6;
+ function d3_svg_arcInnerRadius(d) {
+ return d.innerRadius;
+ }
+ function d3_svg_arcOuterRadius(d) {
+ return d.outerRadius;
+ }
+ function d3_svg_arcStartAngle(d) {
+ return d.startAngle;
+ }
+ function d3_svg_arcEndAngle(d) {
+ return d.endAngle;
+ }
+ function d3_svg_line(projection) {
+ var x = d3_svg_lineX, y = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
+ function line(data) {
+ var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
+ function segment() {
+ segments.push("M", interpolate(projection(points), tension));
+ }
+ while (++i < n) {
+ if (defined.call(this, d = data[i], i)) {
+ points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
+ } else if (points.length) {
+ segment();
+ points = [];
+ }
+ }
+ if (points.length) segment();
+ return segments.length ? segments.join("") : null;
+ }
+ line.x = function(_) {
+ if (!arguments.length) return x;
+ x = _;
+ return line;
+ };
+ line.y = function(_) {
+ if (!arguments.length) return y;
+ y = _;
+ return line;
+ };
+ line.defined = function(_) {
+ if (!arguments.length) return defined;
+ defined = _;
+ return line;
+ };
+ line.interpolate = function(_) {
+ if (!arguments.length) return interpolateKey;
+ if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+ return line;
+ };
+ line.tension = function(_) {
+ if (!arguments.length) return tension;
+ tension = _;
+ return line;
+ };
+ return line;
+ }
+ d3.svg.line = function() {
+ return d3_svg_line(d3_identity);
+ };
+ function d3_svg_lineX(d) {
+ return d[0];
+ }
+ function d3_svg_lineY(d) {
+ return d[1];
+ }
+ var d3_svg_lineInterpolators = d3.map({
+ linear: d3_svg_lineLinear,
+ "linear-closed": d3_svg_lineLinearClosed,
+ "step-before": d3_svg_lineStepBefore,
+ "step-after": d3_svg_lineStepAfter,
+ basis: d3_svg_lineBasis,
+ "basis-open": d3_svg_lineBasisOpen,
+ "basis-closed": d3_svg_lineBasisClosed,
+ bundle: d3_svg_lineBundle,
+ cardinal: d3_svg_lineCardinal,
+ "cardinal-open": d3_svg_lineCardinalOpen,
+ "cardinal-closed": d3_svg_lineCardinalClosed,
+ monotone: d3_svg_lineMonotone
+ });
+ d3_svg_lineInterpolators.forEach(function(key, value) {
+ value.key = key;
+ value.closed = /-closed$/.test(key);
+ });
+ function d3_svg_lineLinear(points) {
+ return points.join("L");
+ }
+ function d3_svg_lineLinearClosed(points) {
+ return d3_svg_lineLinear(points) + "Z";
+ }
+ function d3_svg_lineStepBefore(points) {
+ var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+ while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
+ return path.join("");
+ }
+ function d3_svg_lineStepAfter(points) {
+ var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+ while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
+ return path.join("");
+ }
+ function d3_svg_lineCardinalOpen(points, tension) {
+ return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), d3_svg_lineCardinalTangents(points, tension));
+ }
+ function d3_svg_lineCardinalClosed(points, tension) {
+ return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]),
+ points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
+ }
+ function d3_svg_lineCardinal(points, tension) {
+ return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
+ }
+ function d3_svg_lineHermite(points, tangents) {
+ if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
+ return d3_svg_lineLinear(points);
+ }
+ var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
+ if (quad) {
+ path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
+ p0 = points[1];
+ pi = 2;
+ }
+ if (tangents.length > 1) {
+ t = tangents[1];
+ p = points[pi];
+ pi++;
+ path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+ for (var i = 2; i < tangents.length; i++, pi++) {
+ p = points[pi];
+ t = tangents[i];
+ path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+ }
+ }
+ if (quad) {
+ var lp = points[pi];
+ path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
+ }
+ return path;
+ }
+ function d3_svg_lineCardinalTangents(points, tension) {
+ var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
+ while (++i < n) {
+ p0 = p1;
+ p1 = p2;
+ p2 = points[i];
+ tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
+ }
+ return tangents;
+ }
+ function d3_svg_lineBasis(points) {
+ if (points.length < 3) return d3_svg_lineLinear(points);
+ var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0 ];
+ d3_svg_lineBasisBezier(path, px, py);
+ while (++i < n) {
+ pi = points[i];
+ px.shift();
+ px.push(pi[0]);
+ py.shift();
+ py.push(pi[1]);
+ d3_svg_lineBasisBezier(path, px, py);
+ }
+ i = -1;
+ while (++i < 2) {
+ px.shift();
+ px.push(pi[0]);
+ py.shift();
+ py.push(pi[1]);
+ d3_svg_lineBasisBezier(path, px, py);
+ }
+ return path.join("");
+ }
+ function d3_svg_lineBasisOpen(points) {
+ if (points.length < 4) return d3_svg_lineLinear(points);
+ var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
+ while (++i < 3) {
+ pi = points[i];
+ px.push(pi[0]);
+ py.push(pi[1]);
+ }
+ path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
+ --i;
+ while (++i < n) {
+ pi = points[i];
+ px.shift();
+ px.push(pi[0]);
+ py.shift();
+ py.push(pi[1]);
+ d3_svg_lineBasisBezier(path, px, py);
+ }
+ return path.join("");
+ }
+ function d3_svg_lineBasisClosed(points) {
+ var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
+ while (++i < 4) {
+ pi = points[i % n];
+ px.push(pi[0]);
+ py.push(pi[1]);
+ }
+ path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+ --i;
+ while (++i < m) {
+ pi = points[i % n];
+ px.shift();
+ px.push(pi[0]);
+ py.shift();
+ py.push(pi[1]);
+ d3_svg_lineBasisBezier(path, px, py);
+ }
+ return path.join("");
+ }
+ function d3_svg_lineBundle(points, tension) {
+ var n = points.length - 1;
+ if (n) {
+ var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
+ while (++i <= n) {
+ p = points[i];
+ t = i / n;
+ p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
+ p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
+ }
+ }
+ return d3_svg_lineBasis(points);
+ }
+ function d3_svg_lineDot4(a, b) {
+ return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
+ }
+ var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
+ function d3_svg_lineBasisBezier(path, x, y) {
+ path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
+ }
+ function d3_svg_lineSlope(p0, p1) {
+ return (p1[1] - p0[1]) / (p1[0] - p0[0]);
+ }
+ function d3_svg_lineFiniteDifferences(points) {
+ var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
+ while (++i < j) {
+ m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
+ }
+ m[i] = d;
+ return m;
+ }
+ function d3_svg_lineMonotoneTangents(points) {
+ var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
+ while (++i < j) {
+ d = d3_svg_lineSlope(points[i], points[i + 1]);
+ if (Math.abs(d) < 1e-6) {
+ m[i] = m[i + 1] = 0;
+ } else {
+ a = m[i] / d;
+ b = m[i + 1] / d;
+ s = a * a + b * b;
+ if (s > 9) {
+ s = d * 3 / Math.sqrt(s);
+ m[i] = s * a;
+ m[i + 1] = s * b;
+ }
+ }
+ }
+ i = -1;
+ while (++i <= j) {
+ s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
+ tangents.push([ s || 0, m[i] * s || 0 ]);
+ }
+ return tangents;
+ }
+ function d3_svg_lineMonotone(points) {
+ return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
+ }
+ d3.svg.line.radial = function() {
+ var line = d3_svg_line(d3_svg_lineRadial);
+ line.radius = line.x, delete line.x;
+ line.angle = line.y, delete line.y;
+ return line;
+ };
+ function d3_svg_lineRadial(points) {
+ var point, i = -1, n = points.length, r, a;
+ while (++i < n) {
+ point = points[i];
+ r = point[0];
+ a = point[1] + d3_svg_arcOffset;
+ point[0] = r * Math.cos(a);
+ point[1] = r * Math.sin(a);
+ }
+ return points;
+ }
+ function d3_svg_area(projection) {
+ var x0 = d3_svg_lineX, x1 = d3_svg_lineX, y0 = 0, y1 = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
+ function area(data) {
+ var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
+ return x;
+ } : d3_functor(x1), fy1 = y0 === y1 ? function() {
+ return y;
+ } : d3_functor(y1), x, y;
+ function segment() {
+ segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
+ }
+ while (++i < n) {
+ if (defined.call(this, d = data[i], i)) {
+ points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
+ points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
+ } else if (points0.length) {
+ segment();
+ points0 = [];
+ points1 = [];
+ }
+ }
+ if (points0.length) segment();
+ return segments.length ? segments.join("") : null;
+ }
+ area.x = function(_) {
+ if (!arguments.length) return x1;
+ x0 = x1 = _;
+ return area;
+ };
+ area.x0 = function(_) {
+ if (!arguments.length) return x0;
+ x0 = _;
+ return area;
+ };
+ area.x1 = function(_) {
+ if (!arguments.length) return x1;
+ x1 = _;
+ return area;
+ };
+ area.y = function(_) {
+ if (!arguments.length) return y1;
+ y0 = y1 = _;
+ return area;
+ };
+ area.y0 = function(_) {
+ if (!arguments.length) return y0;
+ y0 = _;
+ return area;
+ };
+ area.y1 = function(_) {
+ if (!arguments.length) return y1;
+ y1 = _;
+ return area;
+ };
+ area.defined = function(_) {
+ if (!arguments.length) return defined;
+ defined = _;
+ return area;
+ };
+ area.interpolate = function(_) {
+ if (!arguments.length) return interpolateKey;
+ if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+ interpolateReverse = interpolate.reverse || interpolate;
+ L = interpolate.closed ? "M" : "L";
+ return area;
+ };
+ area.tension = function(_) {
+ if (!arguments.length) return tension;
+ tension = _;
+ return area;
+ };
+ return area;
+ }
+ d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
+ d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
+ d3.svg.area = function() {
+ return d3_svg_area(d3_identity);
+ };
+ d3.svg.area.radial = function() {
+ var area = d3_svg_area(d3_svg_lineRadial);
+ area.radius = area.x, delete area.x;
+ area.innerRadius = area.x0, delete area.x0;
+ area.outerRadius = area.x1, delete area.x1;
+ area.angle = area.y, delete area.y;
+ area.startAngle = area.y0, delete area.y0;
+ area.endAngle = area.y1, delete area.y1;
+ return area;
+ };
+ d3.svg.chord = function() {
+ var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+ function chord(d, i) {
+ var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
+ return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
+ }
+ function subgroup(self, f, d, i) {
+ var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset, a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
+ return {
+ r: r,
+ a0: a0,
+ a1: a1,
+ p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
+ p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
+ };
+ }
+ function equals(a, b) {
+ return a.a0 == b.a0 && a.a1 == b.a1;
+ }
+ function arc(r, p, a) {
+ return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
+ }
+ function curve(r0, p0, r1, p1) {
+ return "Q 0,0 " + p1;
+ }
+ chord.radius = function(v) {
+ if (!arguments.length) return radius;
+ radius = d3_functor(v);
+ return chord;
+ };
+ chord.source = function(v) {
+ if (!arguments.length) return source;
+ source = d3_functor(v);
+ return chord;
+ };
+ chord.target = function(v) {
+ if (!arguments.length) return target;
+ target = d3_functor(v);
+ return chord;
+ };
+ chord.startAngle = function(v) {
+ if (!arguments.length) return startAngle;
+ startAngle = d3_functor(v);
+ return chord;
+ };
+ chord.endAngle = function(v) {
+ if (!arguments.length) return endAngle;
+ endAngle = d3_functor(v);
+ return chord;
+ };
+ return chord;
+ };
+ function d3_svg_chordRadius(d) {
+ return d.radius;
+ }
+ d3.svg.diagonal = function() {
+ var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
+ function diagonal(d, i) {
+ var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
+ x: p0.x,
+ y: m
+ }, {
+ x: p3.x,
+ y: m
+ }, p3 ];
+ p = p.map(projection);
+ return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
+ }
+ diagonal.source = function(x) {
+ if (!arguments.length) return source;
+ source = d3_functor(x);
+ return diagonal;
+ };
+ diagonal.target = function(x) {
+ if (!arguments.length) return target;
+ target = d3_functor(x);
+ return diagonal;
+ };
+ diagonal.projection = function(x) {
+ if (!arguments.length) return projection;
+ projection = x;
+ return diagonal;
+ };
+ return diagonal;
+ };
+ function d3_svg_diagonalProjection(d) {
+ return [ d.x, d.y ];
+ }
+ d3.svg.diagonal.radial = function() {
+ var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
+ diagonal.projection = function(x) {
+ return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
+ };
+ return diagonal;
+ };
+ function d3_svg_diagonalRadialProjection(projection) {
+ return function() {
+ var d = projection.apply(this, arguments), r = d[0], a = d[1] + d3_svg_arcOffset;
+ return [ r * Math.cos(a), r * Math.sin(a) ];
+ };
+ }
+ d3.svg.symbol = function() {
+ var type = d3_svg_symbolType, size = d3_svg_symbolSize;
+ function symbol(d, i) {
+ return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
+ }
+ symbol.type = function(x) {
+ if (!arguments.length) return type;
+ type = d3_functor(x);
+ return symbol;
+ };
+ symbol.size = function(x) {
+ if (!arguments.length) return size;
+ size = d3_functor(x);
+ return symbol;
+ };
+ return symbol;
+ };
+ function d3_svg_symbolSize() {
+ return 64;
+ }
+ function d3_svg_symbolType() {
+ return "circle";
+ }
+ function d3_svg_symbolCircle(size) {
+ var r = Math.sqrt(size / π);
+ return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
+ }
+ var d3_svg_symbols = d3.map({
+ circle: d3_svg_symbolCircle,
+ cross: function(size) {
+ var r = Math.sqrt(size / 5) / 2;
+ return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
+ },
+ diamond: function(size) {
+ var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
+ return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
+ },
+ square: function(size) {
+ var r = Math.sqrt(size) / 2;
+ return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
+ },
+ "triangle-down": function(size) {
+ var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+ return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
+ },
+ "triangle-up": function(size) {
+ var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+ return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
+ }
+ });
+ d3.svg.symbolTypes = d3_svg_symbols.keys();
+ var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
+ d3.svg.axis = function() {
+ var scale = d3.scale.linear(), orient = "bottom", tickMajorSize = 6, tickMinorSize = 6, tickEndSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_, tickSubdivide = 0;
+ function axis(g) {
+ g.each(function() {
+ var g = d3.select(this);
+ var ticks = tickValues == null ? scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain() : tickValues, tickFormat = tickFormat_ == null ? scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String : tickFormat_;
+ var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide), subtick = g.selectAll(".minor").data(subticks, String), subtickEnter = subtick.enter().insert("line", "g").attr("class", "tick minor").style("opacity", 1e-6), subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(), subtickUpdate = d3.transition(subtick).style("opacity", 1);
+ var tick = g.selectAll("g").data(ticks, String), tickEnter = tick.enter().insert("g", "path").style("opacity", 1e-6), tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(), tickUpdate = d3.transition(tick).style("opacity", 1), tickTransform;
+ var range = d3_scaleRange(scale), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = d3.transition(path);
+ var scale1 = scale.copy(), scale0 = this.__chart__ || scale1;
+ this.__chart__ = scale1;
+ path.enter().append("path").attr("class", "domain");
+ tickEnter.append("line").attr("class", "tick");
+ tickEnter.append("text");
+ var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text");
+ switch (orient) {
+ case "bottom":
+ {
+ tickTransform = d3_svg_axisX;
+ subtickEnter.attr("y2", tickMinorSize);
+ subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
+ lineEnter.attr("y2", tickMajorSize);
+ textEnter.attr("y", Math.max(tickMajorSize, 0) + tickPadding);
+ lineUpdate.attr("x2", 0).attr("y2", tickMajorSize);
+ textUpdate.attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding);
+ text.attr("dy", ".71em").style("text-anchor", "middle");
+ pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
+ break;
+ }
+
+ case "top":
+ {
+ tickTransform = d3_svg_axisX;
+ subtickEnter.attr("y2", -tickMinorSize);
+ subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
+ lineEnter.attr("y2", -tickMajorSize);
+ textEnter.attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
+ lineUpdate.attr("x2", 0).attr("y2", -tickMajorSize);
+ textUpdate.attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
+ text.attr("dy", "0em").style("text-anchor", "middle");
+ pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
+ break;
+ }
+
+ case "left":
+ {
+ tickTransform = d3_svg_axisY;
+ subtickEnter.attr("x2", -tickMinorSize);
+ subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
+ lineEnter.attr("x2", -tickMajorSize);
+ textEnter.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
+ lineUpdate.attr("x2", -tickMajorSize).attr("y2", 0);
+ textUpdate.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0);
+ text.attr("dy", ".32em").style("text-anchor", "end");
+ pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
+ break;
+ }
+
+ case "right":
+ {
+ tickTransform = d3_svg_axisY;
+ subtickEnter.attr("x2", tickMinorSize);
+ subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
+ lineEnter.attr("x2", tickMajorSize);
+ textEnter.attr("x", Math.max(tickMajorSize, 0) + tickPadding);
+ lineUpdate.attr("x2", tickMajorSize).attr("y2", 0);
+ textUpdate.attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0);
+ text.attr("dy", ".32em").style("text-anchor", "start");
+ pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
+ break;
+ }
+ }
+ if (scale.ticks) {
+ tickEnter.call(tickTransform, scale0);
+ tickUpdate.call(tickTransform, scale1);
+ tickExit.call(tickTransform, scale1);
+ subtickEnter.call(tickTransform, scale0);
+ subtickUpdate.call(tickTransform, scale1);
+ subtickExit.call(tickTransform, scale1);
+ } else {
+ var dx = scale1.rangeBand() / 2, x = function(d) {
+ return scale1(d) + dx;
+ };
+ tickEnter.call(tickTransform, x);
+ tickUpdate.call(tickTransform, x);
+ }
+ });
+ }
+ axis.scale = function(x) {
+ if (!arguments.length) return scale;
+ scale = x;
+ return axis;
+ };
+ axis.orient = function(x) {
+ if (!arguments.length) return orient;
+ orient = x;
+ return axis;
+ };
+ axis.ticks = function() {
+ if (!arguments.length) return tickArguments_;
+ tickArguments_ = arguments;
+ return axis;
+ };
+ axis.tickValues = function(x) {
+ if (!arguments.length) return tickValues;
+ tickValues = x;
+ return axis;
+ };
+ axis.tickFormat = function(x) {
+ if (!arguments.length) return tickFormat_;
+ tickFormat_ = x;
+ return axis;
+ };
+ axis.tickSize = function(x, y) {
+ if (!arguments.length) return tickMajorSize;
+ var n = arguments.length - 1;
+ tickMajorSize = +x;
+ tickMinorSize = n > 1 ? +y : tickMajorSize;
+ tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
+ return axis;
+ };
+ axis.tickPadding = function(x) {
+ if (!arguments.length) return tickPadding;
+ tickPadding = +x;
+ return axis;
+ };
+ axis.tickSubdivide = function(x) {
+ if (!arguments.length) return tickSubdivide;
+ tickSubdivide = +x;
+ return axis;
+ };
+ return axis;
+ };
+ function d3_svg_axisX(selection, x) {
+ selection.attr("transform", function(d) {
+ return "translate(" + x(d) + ",0)";
+ });
+ }
+ function d3_svg_axisY(selection, y) {
+ selection.attr("transform", function(d) {
+ return "translate(0," + y(d) + ")";
+ });
+ }
+ function d3_svg_axisSubdivide(scale, ticks, m) {
+ subticks = [];
+ if (m && ticks.length > 1) {
+ var extent = d3_scaleExtent(scale.domain()), subticks, i = -1, n = ticks.length, d = (ticks[1] - ticks[0]) / ++m, j, v;
+ while (++i < n) {
+ for (j = m; --j > 0; ) {
+ if ((v = +ticks[i] - j * d) >= extent[0]) {
+ subticks.push(v);
+ }
+ }
+ }
+ for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1]; ) {
+ subticks.push(v);
+ }
+ }
+ return subticks;
+ }
+ d3.svg.brush = function() {
+ var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, resizes = d3_svg_brushResizes[0], extent = [ [ 0, 0 ], [ 0, 0 ] ], extentDomain;
+ function brush(g) {
+ g.each(function() {
+ var g = d3.select(this), bg = g.selectAll(".background").data([ 0 ]), fg = g.selectAll(".extent").data([ 0 ]), tz = g.selectAll(".resize").data(resizes, String), e;
+ g.style("pointer-events", "all").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
+ bg.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
+ fg.enter().append("rect").attr("class", "extent").style("cursor", "move");
+ tz.enter().append("g").attr("class", function(d) {
+ return "resize " + d;
+ }).style("cursor", function(d) {
+ return d3_svg_brushCursor[d];
+ }).append("rect").attr("x", function(d) {
+ return /[ew]$/.test(d) ? -3 : null;
+ }).attr("y", function(d) {
+ return /^[ns]/.test(d) ? -3 : null;
+ }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
+ tz.style("display", brush.empty() ? "none" : null);
+ tz.exit().remove();
+ if (x) {
+ e = d3_scaleRange(x);
+ bg.attr("x", e[0]).attr("width", e[1] - e[0]);
+ redrawX(g);
+ }
+ if (y) {
+ e = d3_scaleRange(y);
+ bg.attr("y", e[0]).attr("height", e[1] - e[0]);
+ redrawY(g);
+ }
+ redraw(g);
+ });
+ }
+ function redraw(g) {
+ g.selectAll(".resize").attr("transform", function(d) {
+ return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")";
+ });
+ }
+ function redrawX(g) {
+ g.select(".extent").attr("x", extent[0][0]);
+ g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]);
+ }
+ function redrawY(g) {
+ g.select(".extent").attr("y", extent[0][1]);
+ g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]);
+ }
+ function brushstart() {
+ var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), center, origin = mouse(), offset;
+ var w = d3.select(window).on("mousemove.brush", brushmove).on("mouseup.brush", brushend).on("touchmove.brush", brushmove).on("touchend.brush", brushend).on("keydown.brush", keydown).on("keyup.brush", keyup);
+ if (dragging) {
+ origin[0] = extent[0][0] - origin[0];
+ origin[1] = extent[0][1] - origin[1];
+ } else if (resizing) {
+ var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
+ offset = [ extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1] ];
+ origin[0] = extent[ex][0];
+ origin[1] = extent[ey][1];
+ } else if (d3.event.altKey) center = origin.slice();
+ g.style("pointer-events", "none").selectAll(".resize").style("display", null);
+ d3.select("body").style("cursor", eventTarget.style("cursor"));
+ event_({
+ type: "brushstart"
+ });
+ brushmove();
+ d3_eventCancel();
+ function mouse() {
+ var touches = d3.event.changedTouches;
+ return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
+ }
+ function keydown() {
+ if (d3.event.keyCode == 32) {
+ if (!dragging) {
+ center = null;
+ origin[0] -= extent[1][0];
+ origin[1] -= extent[1][1];
+ dragging = 2;
+ }
+ d3_eventCancel();
+ }
+ }
+ function keyup() {
+ if (d3.event.keyCode == 32 && dragging == 2) {
+ origin[0] += extent[1][0];
+ origin[1] += extent[1][1];
+ dragging = 0;
+ d3_eventCancel();
+ }
+ }
+ function brushmove() {
+ var point = mouse(), moved = false;
+ if (offset) {
+ point[0] += offset[0];
+ point[1] += offset[1];
+ }
+ if (!dragging) {
+ if (d3.event.altKey) {
+ if (!center) center = [ (extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2 ];
+ origin[0] = extent[+(point[0] < center[0])][0];
+ origin[1] = extent[+(point[1] < center[1])][1];
+ } else center = null;
+ }
+ if (resizingX && move1(point, x, 0)) {
+ redrawX(g);
+ moved = true;
+ }
+ if (resizingY && move1(point, y, 1)) {
+ redrawY(g);
+ moved = true;
+ }
+ if (moved) {
+ redraw(g);
+ event_({
+ type: "brush",
+ mode: dragging ? "move" : "resize"
+ });
+ }
+ }
+ function move1(point, scale, i) {
+ var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], size = extent[1][i] - extent[0][i], min, max;
+ if (dragging) {
+ r0 -= position;
+ r1 -= size + position;
+ }
+ min = Math.max(r0, Math.min(r1, point[i]));
+ if (dragging) {
+ max = (min += position) + size;
+ } else {
+ if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
+ if (position < min) {
+ max = min;
+ min = position;
+ } else {
+ max = position;
+ }
+ }
+ if (extent[0][i] !== min || extent[1][i] !== max) {
+ extentDomain = null;
+ extent[0][i] = min;
+ extent[1][i] = max;
+ return true;
+ }
+ }
+ function brushend() {
+ brushmove();
+ g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
+ d3.select("body").style("cursor", null);
+ w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
+ event_({
+ type: "brushend"
+ });
+ d3_eventCancel();
+ }
+ }
+ brush.x = function(z) {
+ if (!arguments.length) return x;
+ x = z;
+ resizes = d3_svg_brushResizes[!x << 1 | !y];
+ return brush;
+ };
+ brush.y = function(z) {
+ if (!arguments.length) return y;
+ y = z;
+ resizes = d3_svg_brushResizes[!x << 1 | !y];
+ return brush;
+ };
+ brush.extent = function(z) {
+ var x0, x1, y0, y1, t;
+ if (!arguments.length) {
+ z = extentDomain || extent;
+ if (x) {
+ x0 = z[0][0], x1 = z[1][0];
+ if (!extentDomain) {
+ x0 = extent[0][0], x1 = extent[1][0];
+ if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
+ if (x1 < x0) t = x0, x0 = x1, x1 = t;
+ }
+ }
+ if (y) {
+ y0 = z[0][1], y1 = z[1][1];
+ if (!extentDomain) {
+ y0 = extent[0][1], y1 = extent[1][1];
+ if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
+ if (y1 < y0) t = y0, y0 = y1, y1 = t;
+ }
+ }
+ return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
+ }
+ extentDomain = [ [ 0, 0 ], [ 0, 0 ] ];
+ if (x) {
+ x0 = z[0], x1 = z[1];
+ if (y) x0 = x0[0], x1 = x1[0];
+ extentDomain[0][0] = x0, extentDomain[1][0] = x1;
+ if (x.invert) x0 = x(x0), x1 = x(x1);
+ if (x1 < x0) t = x0, x0 = x1, x1 = t;
+ extent[0][0] = x0 | 0, extent[1][0] = x1 | 0;
+ }
+ if (y) {
+ y0 = z[0], y1 = z[1];
+ if (x) y0 = y0[1], y1 = y1[1];
+ extentDomain[0][1] = y0, extentDomain[1][1] = y1;
+ if (y.invert) y0 = y(y0), y1 = y(y1);
+ if (y1 < y0) t = y0, y0 = y1, y1 = t;
+ extent[0][1] = y0 | 0, extent[1][1] = y1 | 0;
+ }
+ return brush;
+ };
+ brush.clear = function() {
+ extentDomain = null;
+ extent[0][0] = extent[0][1] = extent[1][0] = extent[1][1] = 0;
+ return brush;
+ };
+ brush.empty = function() {
+ return x && extent[0][0] === extent[1][0] || y && extent[0][1] === extent[1][1];
+ };
+ return d3.rebind(brush, event, "on");
+ };
+ var d3_svg_brushCursor = {
+ n: "ns-resize",
+ e: "ew-resize",
+ s: "ns-resize",
+ w: "ew-resize",
+ nw: "nwse-resize",
+ ne: "nesw-resize",
+ se: "nwse-resize",
+ sw: "nesw-resize"
+ };
+ var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
+ d3.behavior = {};
+ d3.behavior.drag = function() {
+ var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null;
+ function drag() {
+ this.on("mousedown.drag", mousedown).on("touchstart.drag", mousedown);
+ }
+ function mousedown() {
+ var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, touchId = d3.event.touches ? d3.event.changedTouches[0].identifier : null, offset, origin_ = point(), moved = 0;
+ var w = d3.select(window).on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", dragmove).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", dragend, true);
+ if (origin) {
+ offset = origin.apply(target, arguments);
+ offset = [ offset.x - origin_[0], offset.y - origin_[1] ];
+ } else {
+ offset = [ 0, 0 ];
+ }
+ if (touchId == null) d3_eventCancel();
+ event_({
+ type: "dragstart"
+ });
+ function point() {
+ var p = target.parentNode;
+ return touchId != null ? d3.touches(p).filter(function(p) {
+ return p.identifier === touchId;
+ })[0] : d3.mouse(p);
+ }
+ function dragmove() {
+ if (!target.parentNode) return dragend();
+ var p = point(), dx = p[0] - origin_[0], dy = p[1] - origin_[1];
+ moved |= dx | dy;
+ origin_ = p;
+ d3_eventCancel();
+ event_({
+ type: "drag",
+ x: p[0] + offset[0],
+ y: p[1] + offset[1],
+ dx: dx,
+ dy: dy
+ });
+ }
+ function dragend() {
+ event_({
+ type: "dragend"
+ });
+ if (moved) {
+ d3_eventCancel();
+ if (d3.event.target === eventTarget) w.on("click.drag", click, true);
+ }
+ w.on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", null).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", null);
+ }
+ function click() {
+ d3_eventCancel();
+ w.on("click.drag", null);
+ }
+ }
+ drag.origin = function(x) {
+ if (!arguments.length) return origin;
+ origin = x;
+ return drag;
+ };
+ return d3.rebind(drag, event, "on");
+ };
+ d3.behavior.zoom = function() {
+ var translate = [ 0, 0 ], translate0, scale = 1, scale0, scaleExtent = d3_behavior_zoomInfinity, event = d3_eventDispatch(zoom, "zoom"), x0, x1, y0, y1, touchtime;
+ function zoom() {
+ this.on("mousedown.zoom", mousedown).on("mousewheel.zoom", mousewheel).on("mousemove.zoom", mousemove).on("DOMMouseScroll.zoom", mousewheel).on("dblclick.zoom", dblclick).on("touchstart.zoom", touchstart).on("touchmove.zoom", touchmove).on("touchend.zoom", touchstart);
+ }
+ zoom.translate = function(x) {
+ if (!arguments.length) return translate;
+ translate = x.map(Number);
+ rescale();
+ return zoom;
+ };
+ zoom.scale = function(x) {
+ if (!arguments.length) return scale;
+ scale = +x;
+ rescale();
+ return zoom;
+ };
+ zoom.scaleExtent = function(x) {
+ if (!arguments.length) return scaleExtent;
+ scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number);
+ return zoom;
+ };
+ zoom.x = function(z) {
+ if (!arguments.length) return x1;
+ x1 = z;
+ x0 = z.copy();
+ translate = [ 0, 0 ];
+ scale = 1;
+ return zoom;
+ };
+ zoom.y = function(z) {
+ if (!arguments.length) return y1;
+ y1 = z;
+ y0 = z.copy();
+ translate = [ 0, 0 ];
+ scale = 1;
+ return zoom;
+ };
+ function location(p) {
+ return [ (p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale ];
+ }
+ function point(l) {
+ return [ l[0] * scale + translate[0], l[1] * scale + translate[1] ];
+ }
+ function scaleTo(s) {
+ scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
+ }
+ function translateTo(p, l) {
+ l = point(l);
+ translate[0] += p[0] - l[0];
+ translate[1] += p[1] - l[1];
+ }
+ function rescale() {
+ if (x1) x1.domain(x0.range().map(function(x) {
+ return (x - translate[0]) / scale;
+ }).map(x0.invert));
+ if (y1) y1.domain(y0.range().map(function(y) {
+ return (y - translate[1]) / scale;
+ }).map(y0.invert));
+ }
+ function dispatch(event) {
+ rescale();
+ d3.event.preventDefault();
+ event({
+ type: "zoom",
+ scale: scale,
+ translate: translate
+ });
+ }
+ function mousedown() {
+ var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, moved = 0, w = d3.select(window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup), l = location(d3.mouse(target));
+ window.focus();
+ d3_eventCancel();
+ function mousemove() {
+ moved = 1;
+ translateTo(d3.mouse(target), l);
+ dispatch(event_);
+ }
+ function mouseup() {
+ if (moved) d3_eventCancel();
+ w.on("mousemove.zoom", null).on("mouseup.zoom", null);
+ if (moved && d3.event.target === eventTarget) w.on("click.zoom", click, true);
+ }
+ function click() {
+ d3_eventCancel();
+ w.on("click.zoom", null);
+ }
+ }
+ function mousewheel() {
+ if (!translate0) translate0 = location(d3.mouse(this));
+ scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale);
+ translateTo(d3.mouse(this), translate0);
+ dispatch(event.of(this, arguments));
+ }
+ function mousemove() {
+ translate0 = null;
+ }
+ function dblclick() {
+ var p = d3.mouse(this), l = location(p), k = Math.log(scale) / Math.LN2;
+ scaleTo(Math.pow(2, d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1));
+ translateTo(p, l);
+ dispatch(event.of(this, arguments));
+ }
+ function touchstart() {
+ var touches = d3.touches(this), now = Date.now();
+ scale0 = scale;
+ translate0 = {};
+ touches.forEach(function(t) {
+ translate0[t.identifier] = location(t);
+ });
+ d3_eventCancel();
+ if (touches.length === 1) {
+ if (now - touchtime < 500) {
+ var p = touches[0], l = location(touches[0]);
+ scaleTo(scale * 2);
+ translateTo(p, l);
+ dispatch(event.of(this, arguments));
+ }
+ touchtime = now;
+ }
+ }
+ function touchmove() {
+ var touches = d3.touches(this), p0 = touches[0], l0 = translate0[p0.identifier];
+ if (p1 = touches[1]) {
+ var p1, l1 = translate0[p1.identifier];
+ p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
+ l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
+ scaleTo(d3.event.scale * scale0);
+ }
+ translateTo(p0, l0);
+ touchtime = null;
+ dispatch(event.of(this, arguments));
+ }
+ return d3.rebind(zoom, event, "on");
+ };
+ var d3_behavior_zoomDiv, d3_behavior_zoomInfinity = [ 0, Infinity ];
+ function d3_behavior_zoomDelta() {
+ if (!d3_behavior_zoomDiv) {
+ d3_behavior_zoomDiv = d3.select("body").append("div").style("visibility", "hidden").style("top", 0).style("height", 0).style("width", 0).style("overflow-y", "scroll").append("div").style("height", "2000px").node().parentNode;
+ }
+ var e = d3.event, delta;
+ try {
+ d3_behavior_zoomDiv.scrollTop = 1e3;
+ d3_behavior_zoomDiv.dispatchEvent(e);
+ delta = 1e3 - d3_behavior_zoomDiv.scrollTop;
+ } catch (error) {
+ delta = e.wheelDelta || -e.detail * 5;
+ }
+ return delta;
+ }
+ d3.layout = {};
+ d3.layout.bundle = function() {
+ return function(links) {
+ var paths = [], i = -1, n = links.length;
+ while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
+ return paths;
+ };
+ };
+ function d3_layout_bundlePath(link) {
+ var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
+ while (start !== lca) {
+ start = start.parent;
+ points.push(start);
+ }
+ var k = points.length;
+ while (end !== lca) {
+ points.splice(k, 0, end);
+ end = end.parent;
+ }
+ return points;
+ }
+ function d3_layout_bundleAncestors(node) {
+ var ancestors = [], parent = node.parent;
+ while (parent != null) {
+ ancestors.push(node);
+ node = parent;
+ parent = parent.parent;
+ }
+ ancestors.push(node);
+ return ancestors;
+ }
+ function d3_layout_bundleLeastCommonAncestor(a, b) {
+ if (a === b) return a;
+ var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
+ while (aNode === bNode) {
+ sharedNode = aNode;
+ aNode = aNodes.pop();
+ bNode = bNodes.pop();
+ }
+ return sharedNode;
+ }
+ d3.layout.chord = function() {
+ var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
+ function relayout() {
+ var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
+ chords = [];
+ groups = [];
+ k = 0, i = -1;
+ while (++i < n) {
+ x = 0, j = -1;
+ while (++j < n) {
+ x += matrix[i][j];
+ }
+ groupSums.push(x);
+ subgroupIndex.push(d3.range(n));
+ k += x;
+ }
+ if (sortGroups) {
+ groupIndex.sort(function(a, b) {
+ return sortGroups(groupSums[a], groupSums[b]);
+ });
+ }
+ if (sortSubgroups) {
+ subgroupIndex.forEach(function(d, i) {
+ d.sort(function(a, b) {
+ return sortSubgroups(matrix[i][a], matrix[i][b]);
+ });
+ });
+ }
+ k = (2 * π - padding * n) / k;
+ x = 0, i = -1;
+ while (++i < n) {
+ x0 = x, j = -1;
+ while (++j < n) {
+ var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
+ subgroups[di + "-" + dj] = {
+ index: di,
+ subindex: dj,
+ startAngle: a0,
+ endAngle: a1,
+ value: v
+ };
+ }
+ groups[di] = {
+ index: di,
+ startAngle: x0,
+ endAngle: x,
+ value: (x - x0) / k
+ };
+ x += padding;
+ }
+ i = -1;
+ while (++i < n) {
+ j = i - 1;
+ while (++j < n) {
+ var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
+ if (source.value || target.value) {
+ chords.push(source.value < target.value ? {
+ source: target,
+ target: source
+ } : {
+ source: source,
+ target: target
+ });
+ }
+ }
+ }
+ if (sortChords) resort();
+ }
+ function resort() {
+ chords.sort(function(a, b) {
+ return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
+ });
+ }
+ chord.matrix = function(x) {
+ if (!arguments.length) return matrix;
+ n = (matrix = x) && matrix.length;
+ chords = groups = null;
+ return chord;
+ };
+ chord.padding = function(x) {
+ if (!arguments.length) return padding;
+ padding = x;
+ chords = groups = null;
+ return chord;
+ };
+ chord.sortGroups = function(x) {
+ if (!arguments.length) return sortGroups;
+ sortGroups = x;
+ chords = groups = null;
+ return chord;
+ };
+ chord.sortSubgroups = function(x) {
+ if (!arguments.length) return sortSubgroups;
+ sortSubgroups = x;
+ chords = null;
+ return chord;
+ };
+ chord.sortChords = function(x) {
+ if (!arguments.length) return sortChords;
+ sortChords = x;
+ if (chords) resort();
+ return chord;
+ };
+ chord.chords = function() {
+ if (!chords) relayout();
+ return chords;
+ };
+ chord.groups = function() {
+ if (!groups) relayout();
+ return groups;
+ };
+ return chord;
+ };
+ d3.layout.force = function() {
+ var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, gravity = .1, theta = .8, nodes = [], links = [], distances, strengths, charges;
+ function repulse(node) {
+ return function(quad, x1, _, x2) {
+ if (quad.point !== node) {
+ var dx = quad.cx - node.x, dy = quad.cy - node.y, dn = 1 / Math.sqrt(dx * dx + dy * dy);
+ if ((x2 - x1) * dn < theta) {
+ var k = quad.charge * dn * dn;
+ node.px -= dx * k;
+ node.py -= dy * k;
+ return true;
+ }
+ if (quad.point && isFinite(dn)) {
+ var k = quad.pointCharge * dn * dn;
+ node.px -= dx * k;
+ node.py -= dy * k;
+ }
+ }
+ return !quad.charge;
+ };
+ }
+ force.tick = function() {
+ if ((alpha *= .99) < .005) {
+ event.end({
+ type: "end",
+ alpha: alpha = 0
+ });
+ return true;
+ }
+ var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
+ for (i = 0; i < m; ++i) {
+ o = links[i];
+ s = o.source;
+ t = o.target;
+ x = t.x - s.x;
+ y = t.y - s.y;
+ if (l = x * x + y * y) {
+ l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
+ x *= l;
+ y *= l;
+ t.x -= x * (k = s.weight / (t.weight + s.weight));
+ t.y -= y * k;
+ s.x += x * (k = 1 - k);
+ s.y += y * k;
+ }
+ }
+ if (k = alpha * gravity) {
+ x = size[0] / 2;
+ y = size[1] / 2;
+ i = -1;
+ if (k) while (++i < n) {
+ o = nodes[i];
+ o.x += (x - o.x) * k;
+ o.y += (y - o.y) * k;
+ }
+ }
+ if (charge) {
+ d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
+ i = -1;
+ while (++i < n) {
+ if (!(o = nodes[i]).fixed) {
+ q.visit(repulse(o));
+ }
+ }
+ }
+ i = -1;
+ while (++i < n) {
+ o = nodes[i];
+ if (o.fixed) {
+ o.x = o.px;
+ o.y = o.py;
+ } else {
+ o.x -= (o.px - (o.px = o.x)) * friction;
+ o.y -= (o.py - (o.py = o.y)) * friction;
+ }
+ }
+ event.tick({
+ type: "tick",
+ alpha: alpha
+ });
+ };
+ force.nodes = function(x) {
+ if (!arguments.length) return nodes;
+ nodes = x;
+ return force;
+ };
+ force.links = function(x) {
+ if (!arguments.length) return links;
+ links = x;
+ return force;
+ };
+ force.size = function(x) {
+ if (!arguments.length) return size;
+ size = x;
+ return force;
+ };
+ force.linkDistance = function(x) {
+ if (!arguments.length) return linkDistance;
+ linkDistance = d3_functor(x);
+ return force;
+ };
+ force.distance = force.linkDistance;
+ force.linkStrength = function(x) {
+ if (!arguments.length) return linkStrength;
+ linkStrength = d3_functor(x);
+ return force;
+ };
+ force.friction = function(x) {
+ if (!arguments.length) return friction;
+ friction = x;
+ return force;
+ };
+ force.charge = function(x) {
+ if (!arguments.length) return charge;
+ charge = typeof x === "function" ? x : +x;
+ return force;
+ };
+ force.gravity = function(x) {
+ if (!arguments.length) return gravity;
+ gravity = x;
+ return force;
+ };
+ force.theta = function(x) {
+ if (!arguments.length) return theta;
+ theta = x;
+ return force;
+ };
+ force.alpha = function(x) {
+ if (!arguments.length) return alpha;
+ if (alpha) {
+ if (x > 0) alpha = x; else alpha = 0;
+ } else if (x > 0) {
+ event.start({
+ type: "start",
+ alpha: alpha = x
+ });
+ d3.timer(force.tick);
+ }
+ return force;
+ };
+ force.start = function() {
+ var i, j, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
+ for (i = 0; i < n; ++i) {
+ (o = nodes[i]).index = i;
+ o.weight = 0;
+ }
+ distances = [];
+ strengths = [];
+ for (i = 0; i < m; ++i) {
+ o = links[i];
+ if (typeof o.source == "number") o.source = nodes[o.source];
+ if (typeof o.target == "number") o.target = nodes[o.target];
+ distances[i] = linkDistance.call(this, o, i);
+ strengths[i] = linkStrength.call(this, o, i);
+ ++o.source.weight;
+ ++o.target.weight;
+ }
+ for (i = 0; i < n; ++i) {
+ o = nodes[i];
+ if (isNaN(o.x)) o.x = position("x", w);
+ if (isNaN(o.y)) o.y = position("y", h);
+ if (isNaN(o.px)) o.px = o.x;
+ if (isNaN(o.py)) o.py = o.y;
+ }
+ charges = [];
+ if (typeof charge === "function") {
+ for (i = 0; i < n; ++i) {
+ charges[i] = +charge.call(this, nodes[i], i);
+ }
+ } else {
+ for (i = 0; i < n; ++i) {
+ charges[i] = charge;
+ }
+ }
+ function position(dimension, size) {
+ var neighbors = neighbor(i), j = -1, m = neighbors.length, x;
+ while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x;
+ return Math.random() * size;
+ }
+ function neighbor() {
+ if (!neighbors) {
+ neighbors = [];
+ for (j = 0; j < n; ++j) {
+ neighbors[j] = [];
+ }
+ for (j = 0; j < m; ++j) {
+ var o = links[j];
+ neighbors[o.source.index].push(o.target);
+ neighbors[o.target.index].push(o.source);
+ }
+ }
+ return neighbors[i];
+ }
+ return force.resume();
+ };
+ force.resume = function() {
+ return force.alpha(.1);
+ };
+ force.stop = function() {
+ return force.alpha(0);
+ };
+ force.drag = function() {
+ if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart", d3_layout_forceDragstart).on("drag", dragmove).on("dragend", d3_layout_forceDragend);
+ this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
+ };
+ function dragmove(d) {
+ d.px = d3.event.x, d.py = d3.event.y;
+ force.resume();
+ }
+ return d3.rebind(force, event, "on");
+ };
+ function d3_layout_forceDragstart(d) {
+ d.fixed |= 2;
+ }
+ function d3_layout_forceDragend(d) {
+ d.fixed &= 1;
+ }
+ function d3_layout_forceMouseover(d) {
+ d.fixed |= 4;
+ d.px = d.x, d.py = d.y;
+ }
+ function d3_layout_forceMouseout(d) {
+ d.fixed &= 3;
+ }
+ function d3_layout_forceAccumulate(quad, alpha, charges) {
+ var cx = 0, cy = 0;
+ quad.charge = 0;
+ if (!quad.leaf) {
+ var nodes = quad.nodes, n = nodes.length, i = -1, c;
+ while (++i < n) {
+ c = nodes[i];
+ if (c == null) continue;
+ d3_layout_forceAccumulate(c, alpha, charges);
+ quad.charge += c.charge;
+ cx += c.charge * c.cx;
+ cy += c.charge * c.cy;
+ }
+ }
+ if (quad.point) {
+ if (!quad.leaf) {
+ quad.point.x += Math.random() - .5;
+ quad.point.y += Math.random() - .5;
+ }
+ var k = alpha * charges[quad.point.index];
+ quad.charge += quad.pointCharge = k;
+ cx += k * quad.point.x;
+ cy += k * quad.point.y;
+ }
+ quad.cx = cx / quad.charge;
+ quad.cy = cy / quad.charge;
+ }
+ function d3_layout_forceLinkDistance() {
+ return 20;
+ }
+ function d3_layout_forceLinkStrength() {
+ return 1;
+ }
+ d3.layout.partition = function() {
+ var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
+ function position(node, x, dx, dy) {
+ var children = node.children;
+ node.x = x;
+ node.y = node.depth * dy;
+ node.dx = dx;
+ node.dy = dy;
+ if (children && (n = children.length)) {
+ var i = -1, n, c, d;
+ dx = node.value ? dx / node.value : 0;
+ while (++i < n) {
+ position(c = children[i], x, d = c.value * dx, dy);
+ x += d;
+ }
+ }
+ }
+ function depth(node) {
+ var children = node.children, d = 0;
+ if (children && (n = children.length)) {
+ var i = -1, n;
+ while (++i < n) d = Math.max(d, depth(children[i]));
+ }
+ return 1 + d;
+ }
+ function partition(d, i) {
+ var nodes = hierarchy.call(this, d, i);
+ position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
+ return nodes;
+ }
+ partition.size = function(x) {
+ if (!arguments.length) return size;
+ size = x;
+ return partition;
+ };
+ return d3_layout_hierarchyRebind(partition, hierarchy);
+ };
+ d3.layout.pie = function() {
+ var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = 2 * π;
+ function pie(data) {
+ var values = data.map(function(d, i) {
+ return +value.call(pie, d, i);
+ });
+ var a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle);
+ var k = ((typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - startAngle) / d3.sum(values);
+ var index = d3.range(data.length);
+ if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
+ return values[j] - values[i];
+ } : function(i, j) {
+ return sort(data[i], data[j]);
+ });
+ var arcs = [];
+ index.forEach(function(i) {
+ var d;
+ arcs[i] = {
+ data: data[i],
+ value: d = values[i],
+ startAngle: a,
+ endAngle: a += d * k
+ };
+ });
+ return arcs;
+ }
+ pie.value = function(x) {
+ if (!arguments.length) return value;
+ value = x;
+ return pie;
+ };
+ pie.sort = function(x) {
+ if (!arguments.length) return sort;
+ sort = x;
+ return pie;
+ };
+ pie.startAngle = function(x) {
+ if (!arguments.length) return startAngle;
+ startAngle = x;
+ return pie;
+ };
+ pie.endAngle = function(x) {
+ if (!arguments.length) return endAngle;
+ endAngle = x;
+ return pie;
+ };
+ return pie;
+ };
+ var d3_layout_pieSortByValue = {};
+ d3.layout.stack = function() {
+ var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
+ function stack(data, index) {
+ var series = data.map(function(d, i) {
+ return values.call(stack, d, i);
+ });
+ var points = series.map(function(d) {
+ return d.map(function(v, i) {
+ return [ x.call(stack, v, i), y.call(stack, v, i) ];
+ });
+ });
+ var orders = order.call(stack, points, index);
+ series = d3.permute(series, orders);
+ points = d3.permute(points, orders);
+ var offsets = offset.call(stack, points, index);
+ var n = series.length, m = series[0].length, i, j, o;
+ for (j = 0; j < m; ++j) {
+ out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
+ for (i = 1; i < n; ++i) {
+ out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
+ }
+ }
+ return data;
+ }
+ stack.values = function(x) {
+ if (!arguments.length) return values;
+ values = x;
+ return stack;
+ };
+ stack.order = function(x) {
+ if (!arguments.length) return order;
+ order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
+ return stack;
+ };
+ stack.offset = function(x) {
+ if (!arguments.length) return offset;
+ offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
+ return stack;
+ };
+ stack.x = function(z) {
+ if (!arguments.length) return x;
+ x = z;
+ return stack;
+ };
+ stack.y = function(z) {
+ if (!arguments.length) return y;
+ y = z;
+ return stack;
+ };
+ stack.out = function(z) {
+ if (!arguments.length) return out;
+ out = z;
+ return stack;
+ };
+ return stack;
+ };
+ function d3_layout_stackX(d) {
+ return d.x;
+ }
+ function d3_layout_stackY(d) {
+ return d.y;
+ }
+ function d3_layout_stackOut(d, y0, y) {
+ d.y0 = y0;
+ d.y = y;
+ }
+ var d3_layout_stackOrders = d3.map({
+ "inside-out": function(data) {
+ var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
+ return max[a] - max[b];
+ }), top = 0, bottom = 0, tops = [], bottoms = [];
+ for (i = 0; i < n; ++i) {
+ j = index[i];
+ if (top < bottom) {
+ top += sums[j];
+ tops.push(j);
+ } else {
+ bottom += sums[j];
+ bottoms.push(j);
+ }
+ }
+ return bottoms.reverse().concat(tops);
+ },
+ reverse: function(data) {
+ return d3.range(data.length).reverse();
+ },
+ "default": d3_layout_stackOrderDefault
+ });
+ var d3_layout_stackOffsets = d3.map({
+ silhouette: function(data) {
+ var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
+ for (j = 0; j < m; ++j) {
+ for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+ if (o > max) max = o;
+ sums.push(o);
+ }
+ for (j = 0; j < m; ++j) {
+ y0[j] = (max - sums[j]) / 2;
+ }
+ return y0;
+ },
+ wiggle: function(data) {
+ var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
+ y0[0] = o = o0 = 0;
+ for (j = 1; j < m; ++j) {
+ for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
+ for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
+ for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
+ s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
+ }
+ s2 += s3 * data[i][j][1];
+ }
+ y0[j] = o -= s1 ? s2 / s1 * dx : 0;
+ if (o < o0) o0 = o;
+ }
+ for (j = 0; j < m; ++j) y0[j] -= o0;
+ return y0;
+ },
+ expand: function(data) {
+ var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
+ for (j = 0; j < m; ++j) {
+ for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+ if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
+ }
+ for (j = 0; j < m; ++j) y0[j] = 0;
+ return y0;
+ },
+ zero: d3_layout_stackOffsetZero
+ });
+ function d3_layout_stackOrderDefault(data) {
+ return d3.range(data.length);
+ }
+ function d3_layout_stackOffsetZero(data) {
+ var j = -1, m = data[0].length, y0 = [];
+ while (++j < m) y0[j] = 0;
+ return y0;
+ }
+ function d3_layout_stackMaxIndex(array) {
+ var i = 1, j = 0, v = array[0][1], k, n = array.length;
+ for (;i < n; ++i) {
+ if ((k = array[i][1]) > v) {
+ j = i;
+ v = k;
+ }
+ }
+ return j;
+ }
+ function d3_layout_stackReduceSum(d) {
+ return d.reduce(d3_layout_stackSum, 0);
+ }
+ function d3_layout_stackSum(p, d) {
+ return p + d[1];
+ }
+ d3.layout.histogram = function() {
+ var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
+ function histogram(data, i) {
+ var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
+ while (++i < m) {
+ bin = bins[i] = [];
+ bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
+ bin.y = 0;
+ }
+ if (m > 0) {
+ i = -1;
+ while (++i < n) {
+ x = values[i];
+ if (x >= range[0] && x <= range[1]) {
+ bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
+ bin.y += k;
+ bin.push(data[i]);
+ }
+ }
+ }
+ return bins;
+ }
+ histogram.value = function(x) {
+ if (!arguments.length) return valuer;
+ valuer = x;
+ return histogram;
+ };
+ histogram.range = function(x) {
+ if (!arguments.length) return ranger;
+ ranger = d3_functor(x);
+ return histogram;
+ };
+ histogram.bins = function(x) {
+ if (!arguments.length) return binner;
+ binner = typeof x === "number" ? function(range) {
+ return d3_layout_histogramBinFixed(range, x);
+ } : d3_functor(x);
+ return histogram;
+ };
+ histogram.frequency = function(x) {
+ if (!arguments.length) return frequency;
+ frequency = !!x;
+ return histogram;
+ };
+ return histogram;
+ };
+ function d3_layout_histogramBinSturges(range, values) {
+ return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
+ }
+ function d3_layout_histogramBinFixed(range, n) {
+ var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
+ while (++x <= n) f[x] = m * x + b;
+ return f;
+ }
+ function d3_layout_histogramRange(values) {
+ return [ d3.min(values), d3.max(values) ];
+ }
+ d3.layout.hierarchy = function() {
+ var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
+ function recurse(node, depth, nodes) {
+ var childs = children.call(hierarchy, node, depth);
+ node.depth = depth;
+ nodes.push(node);
+ if (childs && (n = childs.length)) {
+ var i = -1, n, c = node.children = [], v = 0, j = depth + 1, d;
+ while (++i < n) {
+ d = recurse(childs[i], j, nodes);
+ d.parent = node;
+ c.push(d);
+ v += d.value;
+ }
+ if (sort) c.sort(sort);
+ if (value) node.value = v;
+ } else if (value) {
+ node.value = +value.call(hierarchy, node, depth) || 0;
+ }
+ return node;
+ }
+ function revalue(node, depth) {
+ var children = node.children, v = 0;
+ if (children && (n = children.length)) {
+ var i = -1, n, j = depth + 1;
+ while (++i < n) v += revalue(children[i], j);
+ } else if (value) {
+ v = +value.call(hierarchy, node, depth) || 0;
+ }
+ if (value) node.value = v;
+ return v;
+ }
+ function hierarchy(d) {
+ var nodes = [];
+ recurse(d, 0, nodes);
+ return nodes;
+ }
+ hierarchy.sort = function(x) {
+ if (!arguments.length) return sort;
+ sort = x;
+ return hierarchy;
+ };
+ hierarchy.children = function(x) {
+ if (!arguments.length) return children;
+ children = x;
+ return hierarchy;
+ };
+ hierarchy.value = function(x) {
+ if (!arguments.length) return value;
+ value = x;
+ return hierarchy;
+ };
+ hierarchy.revalue = function(root) {
+ revalue(root, 0);
+ return root;
+ };
+ return hierarchy;
+ };
+ function d3_layout_hierarchyRebind(object, hierarchy) {
+ d3.rebind(object, hierarchy, "sort", "children", "value");
+ object.nodes = object;
+ object.links = d3_layout_hierarchyLinks;
+ return object;
+ }
+ function d3_layout_hierarchyChildren(d) {
+ return d.children;
+ }
+ function d3_layout_hierarchyValue(d) {
+ return d.value;
+ }
+ function d3_layout_hierarchySort(a, b) {
+ return b.value - a.value;
+ }
+ function d3_layout_hierarchyLinks(nodes) {
+ return d3.merge(nodes.map(function(parent) {
+ return (parent.children || []).map(function(child) {
+ return {
+ source: parent,
+ target: child
+ };
+ });
+ }));
+ }
+ d3.layout.pack = function() {
+ var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ];
+ function pack(d, i) {
+ var nodes = hierarchy.call(this, d, i), root = nodes[0];
+ root.x = 0;
+ root.y = 0;
+ d3_layout_treeVisitAfter(root, function(d) {
+ d.r = Math.sqrt(d.value);
+ });
+ d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+ var w = size[0], h = size[1], k = Math.max(2 * root.r / w, 2 * root.r / h);
+ if (padding > 0) {
+ var dr = padding * k / 2;
+ d3_layout_treeVisitAfter(root, function(d) {
+ d.r += dr;
+ });
+ d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
+ d3_layout_treeVisitAfter(root, function(d) {
+ d.r -= dr;
+ });
+ k = Math.max(2 * root.r / w, 2 * root.r / h);
+ }
+ d3_layout_packTransform(root, w / 2, h / 2, 1 / k);
+ return nodes;
+ }
+ pack.size = function(x) {
+ if (!arguments.length) return size;
+ size = x;
+ return pack;
+ };
+ pack.padding = function(_) {
+ if (!arguments.length) return padding;
+ padding = +_;
+ return pack;
+ };
+ return d3_layout_hierarchyRebind(pack, hierarchy);
+ };
+ function d3_layout_packSort(a, b) {
+ return a.value - b.value;
+ }
+ function d3_layout_packInsert(a, b) {
+ var c = a._pack_next;
+ a._pack_next = b;
+ b._pack_prev = a;
+ b._pack_next = c;
+ c._pack_prev = b;
+ }
+ function d3_layout_packSplice(a, b) {
+ a._pack_next = b;
+ b._pack_prev = a;
+ }
+ function d3_layout_packIntersects(a, b) {
+ var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
+ return dr * dr - dx * dx - dy * dy > .001;
+ }
+ function d3_layout_packSiblings(node) {
+ if (!(nodes = node.children) || !(n = nodes.length)) return;
+ var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
+ function bound(node) {
+ xMin = Math.min(node.x - node.r, xMin);
+ xMax = Math.max(node.x + node.r, xMax);
+ yMin = Math.min(node.y - node.r, yMin);
+ yMax = Math.max(node.y + node.r, yMax);
+ }
+ nodes.forEach(d3_layout_packLink);
+ a = nodes[0];
+ a.x = -a.r;
+ a.y = 0;
+ bound(a);
+ if (n > 1) {
+ b = nodes[1];
+ b.x = b.r;
+ b.y = 0;
+ bound(b);
+ if (n > 2) {
+ c = nodes[2];
+ d3_layout_packPlace(a, b, c);
+ bound(c);
+ d3_layout_packInsert(a, c);
+ a._pack_prev = c;
+ d3_layout_packInsert(c, b);
+ b = a._pack_next;
+ for (i = 3; i < n; i++) {
+ d3_layout_packPlace(a, b, c = nodes[i]);
+ var isect = 0, s1 = 1, s2 = 1;
+ for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
+ if (d3_layout_packIntersects(j, c)) {
+ isect = 1;
+ break;
+ }
+ }
+ if (isect == 1) {
+ for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
+ if (d3_layout_packIntersects(k, c)) {
+ break;
+ }
+ }
+ }
+ if (isect) {
+ if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
+ i--;
+ } else {
+ d3_layout_packInsert(a, c);
+ b = c;
+ bound(c);
+ }
+ }
+ }
+ }
+ var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
+ for (i = 0; i < n; i++) {
+ c = nodes[i];
+ c.x -= cx;
+ c.y -= cy;
+ cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
+ }
+ node.r = cr;
+ nodes.forEach(d3_layout_packUnlink);
+ }
+ function d3_layout_packLink(node) {
+ node._pack_next = node._pack_prev = node;
+ }
+ function d3_layout_packUnlink(node) {
+ delete node._pack_next;
+ delete node._pack_prev;
+ }
+ function d3_layout_packTransform(node, x, y, k) {
+ var children = node.children;
+ node.x = x += k * node.x;
+ node.y = y += k * node.y;
+ node.r *= k;
+ if (children) {
+ var i = -1, n = children.length;
+ while (++i < n) d3_layout_packTransform(children[i], x, y, k);
+ }
+ }
+ function d3_layout_packPlace(a, b, c) {
+ var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
+ if (db && (dx || dy)) {
+ var da = b.r + c.r, dc = dx * dx + dy * dy;
+ da *= da;
+ db *= db;
+ var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
+ c.x = a.x + x * dx + y * dy;
+ c.y = a.y + x * dy - y * dx;
+ } else {
+ c.x = a.x + db;
+ c.y = a.y;
+ }
+ }
+ d3.layout.cluster = function() {
+ var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
+ function cluster(d, i) {
+ var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
+ d3_layout_treeVisitAfter(root, function(node) {
+ var children = node.children;
+ if (children && children.length) {
+ node.x = d3_layout_clusterX(children);
+ node.y = d3_layout_clusterY(children);
+ } else {
+ node.x = previousNode ? x += separation(node, previousNode) : 0;
+ node.y = 0;
+ previousNode = node;
+ }
+ });
+ var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
+ d3_layout_treeVisitAfter(root, function(node) {
+ node.x = (node.x - x0) / (x1 - x0) * size[0];
+ node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
+ });
+ return nodes;
+ }
+ cluster.separation = function(x) {
+ if (!arguments.length) return separation;
+ separation = x;
+ return cluster;
+ };
+ cluster.size = function(x) {
+ if (!arguments.length) return size;
+ size = x;
+ return cluster;
+ };
+ return d3_layout_hierarchyRebind(cluster, hierarchy);
+ };
+ function d3_layout_clusterY(children) {
+ return 1 + d3.max(children, function(child) {
+ return child.y;
+ });
+ }
+ function d3_layout_clusterX(children) {
+ return children.reduce(function(x, child) {
+ return x + child.x;
+ }, 0) / children.length;
+ }
+ function d3_layout_clusterLeft(node) {
+ var children = node.children;
+ return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
+ }
+ function d3_layout_clusterRight(node) {
+ var children = node.children, n;
+ return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
+ }
+ d3.layout.tree = function() {
+ var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
+ function tree(d, i) {
+ var nodes = hierarchy.call(this, d, i), root = nodes[0];
+ function firstWalk(node, previousSibling) {
+ var children = node.children, layout = node._tree;
+ if (children && (n = children.length)) {
+ var n, firstChild = children[0], previousChild, ancestor = firstChild, child, i = -1;
+ while (++i < n) {
+ child = children[i];
+ firstWalk(child, previousChild);
+ ancestor = apportion(child, previousChild, ancestor);
+ previousChild = child;
+ }
+ d3_layout_treeShift(node);
+ var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim);
+ if (previousSibling) {
+ layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+ layout.mod = layout.prelim - midpoint;
+ } else {
+ layout.prelim = midpoint;
+ }
+ } else {
+ if (previousSibling) {
+ layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
+ }
+ }
+ }
+ function secondWalk(node, x) {
+ node.x = node._tree.prelim + x;
+ var children = node.children;
+ if (children && (n = children.length)) {
+ var i = -1, n;
+ x += node._tree.mod;
+ while (++i < n) {
+ secondWalk(children[i], x);
+ }
+ }
+ }
+ function apportion(node, previousSibling, ancestor) {
+ if (previousSibling) {
+ var vip = node, vop = node, vim = previousSibling, vom = node.parent.children[0], sip = vip._tree.mod, sop = vop._tree.mod, sim = vim._tree.mod, som = vom._tree.mod, shift;
+ while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
+ vom = d3_layout_treeLeft(vom);
+ vop = d3_layout_treeRight(vop);
+ vop._tree.ancestor = node;
+ shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
+ if (shift > 0) {
+ d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
+ sip += shift;
+ sop += shift;
+ }
+ sim += vim._tree.mod;
+ sip += vip._tree.mod;
+ som += vom._tree.mod;
+ sop += vop._tree.mod;
+ }
+ if (vim && !d3_layout_treeRight(vop)) {
+ vop._tree.thread = vim;
+ vop._tree.mod += sim - sop;
+ }
+ if (vip && !d3_layout_treeLeft(vom)) {
+ vom._tree.thread = vip;
+ vom._tree.mod += sip - som;
+ ancestor = node;
+ }
+ }
+ return ancestor;
+ }
+ d3_layout_treeVisitAfter(root, function(node, previousSibling) {
+ node._tree = {
+ ancestor: node,
+ prelim: 0,
+ mod: 0,
+ change: 0,
+ shift: 0,
+ number: previousSibling ? previousSibling._tree.number + 1 : 0
+ };
+ });
+ firstWalk(root);
+ secondWalk(root, -root._tree.prelim);
+ var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost), right = d3_layout_treeSearch(root, d3_layout_treeRightmost), deep = d3_layout_treeSearch(root, d3_layout_treeDeepest), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2, y1 = deep.depth || 1;
+ d3_layout_treeVisitAfter(root, function(node) {
+ node.x = (node.x - x0) / (x1 - x0) * size[0];
+ node.y = node.depth / y1 * size[1];
+ delete node._tree;
+ });
+ return nodes;
+ }
+ tree.separation = function(x) {
+ if (!arguments.length) return separation;
+ separation = x;
+ return tree;
+ };
+ tree.size = function(x) {
+ if (!arguments.length) return size;
+ size = x;
+ return tree;
+ };
+ return d3_layout_hierarchyRebind(tree, hierarchy);
+ };
+ function d3_layout_treeSeparation(a, b) {
+ return a.parent == b.parent ? 1 : 2;
+ }
+ function d3_layout_treeLeft(node) {
+ var children = node.children;
+ return children && children.length ? children[0] : node._tree.thread;
+ }
+ function d3_layout_treeRight(node) {
+ var children = node.children, n;
+ return children && (n = children.length) ? children[n - 1] : node._tree.thread;
+ }
+ function d3_layout_treeSearch(node, compare) {
+ var children = node.children;
+ if (children && (n = children.length)) {
+ var child, n, i = -1;
+ while (++i < n) {
+ if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
+ node = child;
+ }
+ }
+ }
+ return node;
+ }
+ function d3_layout_treeRightmost(a, b) {
+ return a.x - b.x;
+ }
+ function d3_layout_treeLeftmost(a, b) {
+ return b.x - a.x;
+ }
+ function d3_layout_treeDeepest(a, b) {
+ return a.depth - b.depth;
+ }
+ function d3_layout_treeVisitAfter(node, callback) {
+ function visit(node, previousSibling) {
+ var children = node.children;
+ if (children && (n = children.length)) {
+ var child, previousChild = null, i = -1, n;
+ while (++i < n) {
+ child = children[i];
+ visit(child, previousChild);
+ previousChild = child;
+ }
+ }
+ callback(node, previousSibling);
+ }
+ visit(node, null);
+ }
+ function d3_layout_treeShift(node) {
+ var shift = 0, change = 0, children = node.children, i = children.length, child;
+ while (--i >= 0) {
+ child = children[i]._tree;
+ child.prelim += shift;
+ child.mod += shift;
+ shift += child.shift + (change += child.change);
+ }
+ }
+ function d3_layout_treeMove(ancestor, node, shift) {
+ ancestor = ancestor._tree;
+ node = node._tree;
+ var change = shift / (node.number - ancestor.number);
+ ancestor.change += change;
+ node.change -= change;
+ node.shift += shift;
+ node.prelim += shift;
+ node.mod += shift;
+ }
+ function d3_layout_treeAncestor(vim, node, ancestor) {
+ return vim._tree.ancestor.parent == node.parent ? vim._tree.ancestor : ancestor;
+ }
+ d3.layout.treemap = function() {
+ var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
+ function scale(children, k) {
+ var i = -1, n = children.length, child, area;
+ while (++i < n) {
+ area = (child = children[i]).value * (k < 0 ? 0 : k);
+ child.area = isNaN(area) || area <= 0 ? 0 : area;
+ }
+ }
+ function squarify(node) {
+ var children = node.children;
+ if (children && children.length) {
+ var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" || mode === "slice-dice" && node.depth & 1 ? rect.dy : Math.min(rect.dx, rect.dy), n;
+ scale(remaining, rect.dx * rect.dy / node.value);
+ row.area = 0;
+ while ((n = remaining.length) > 0) {
+ row.push(child = remaining[n - 1]);
+ row.area += child.area;
+ if (mode !== "squarify" || (score = worst(row, u)) <= best) {
+ remaining.pop();
+ best = score;
+ } else {
+ row.area -= row.pop().area;
+ position(row, u, rect, false);
+ u = Math.min(rect.dx, rect.dy);
+ row.length = row.area = 0;
+ best = Infinity;
+ }
+ }
+ if (row.length) {
+ position(row, u, rect, true);
+ row.length = row.area = 0;
+ }
+ children.forEach(squarify);
+ }
+ }
+ function stickify(node) {
+ var children = node.children;
+ if (children && children.length) {
+ var rect = pad(node), remaining = children.slice(), child, row = [];
+ scale(remaining, rect.dx * rect.dy / node.value);
+ row.area = 0;
+ while (child = remaining.pop()) {
+ row.push(child);
+ row.area += child.area;
+ if (child.z != null) {
+ position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
+ row.length = row.area = 0;
+ }
+ }
+ children.forEach(stickify);
+ }
+ }
+ function worst(row, u) {
+ var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
+ while (++i < n) {
+ if (!(r = row[i].area)) continue;
+ if (r < rmin) rmin = r;
+ if (r > rmax) rmax = r;
+ }
+ s *= s;
+ u *= u;
+ return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
+ }
+ function position(row, u, rect, flush) {
+ var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
+ if (u == rect.dx) {
+ if (flush || v > rect.dy) v = rect.dy;
+ while (++i < n) {
+ o = row[i];
+ o.x = x;
+ o.y = y;
+ o.dy = v;
+ x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
+ }
+ o.z = true;
+ o.dx += rect.x + rect.dx - x;
+ rect.y += v;
+ rect.dy -= v;
+ } else {
+ if (flush || v > rect.dx) v = rect.dx;
+ while (++i < n) {
+ o = row[i];
+ o.x = x;
+ o.y = y;
+ o.dx = v;
+ y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
+ }
+ o.z = false;
+ o.dy += rect.y + rect.dy - y;
+ rect.x += v;
+ rect.dx -= v;
+ }
+ }
+ function treemap(d) {
+ var nodes = stickies || hierarchy(d), root = nodes[0];
+ root.x = 0;
+ root.y = 0;
+ root.dx = size[0];
+ root.dy = size[1];
+ if (stickies) hierarchy.revalue(root);
+ scale([ root ], root.dx * root.dy / root.value);
+ (stickies ? stickify : squarify)(root);
+ if (sticky) stickies = nodes;
+ return nodes;
+ }
+ treemap.size = function(x) {
+ if (!arguments.length) return size;
+ size = x;
+ return treemap;
+ };
+ treemap.padding = function(x) {
+ if (!arguments.length) return padding;
+ function padFunction(node) {
+ var p = x.call(treemap, node, node.depth);
+ return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
+ }
+ function padConstant(node) {
+ return d3_layout_treemapPad(node, x);
+ }
+ var type;
+ pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ],
+ padConstant) : padConstant;
+ return treemap;
+ };
+ treemap.round = function(x) {
+ if (!arguments.length) return round != Number;
+ round = x ? Math.round : Number;
+ return treemap;
+ };
+ treemap.sticky = function(x) {
+ if (!arguments.length) return sticky;
+ sticky = x;
+ stickies = null;
+ return treemap;
+ };
+ treemap.ratio = function(x) {
+ if (!arguments.length) return ratio;
+ ratio = x;
+ return treemap;
+ };
+ treemap.mode = function(x) {
+ if (!arguments.length) return mode;
+ mode = x + "";
+ return treemap;
+ };
+ return d3_layout_hierarchyRebind(treemap, hierarchy);
+ };
+ function d3_layout_treemapPadNull(node) {
+ return {
+ x: node.x,
+ y: node.y,
+ dx: node.dx,
+ dy: node.dy
+ };
+ }
+ function d3_layout_treemapPad(node, padding) {
+ var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
+ if (dx < 0) {
+ x += dx / 2;
+ dx = 0;
+ }
+ if (dy < 0) {
+ y += dy / 2;
+ dy = 0;
+ }
+ return {
+ x: x,
+ y: y,
+ dx: dx,
+ dy: dy
+ };
+ }
+ function d3_dsv(delimiter, mimeType) {
+ var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
+ function dsv(url, callback) {
+ return d3.xhr(url, mimeType, callback).response(response);
+ }
+ function response(request) {
+ return dsv.parse(request.responseText);
+ }
+ dsv.parse = function(text) {
+ var o;
+ return dsv.parseRows(text, function(row) {
+ if (o) return o(row);
+ o = new Function("d", "return {" + row.map(function(name, i) {
+ return JSON.stringify(name) + ": d[" + i + "]";
+ }).join(",") + "}");
+ });
+ };
+ dsv.parseRows = function(text, f) {
+ var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
+ function token() {
+ if (I >= N) return EOF;
+ if (eol) return eol = false, EOL;
+ var j = I;
+ if (text.charCodeAt(j) === 34) {
+ var i = j;
+ while (i++ < N) {
+ if (text.charCodeAt(i) === 34) {
+ if (text.charCodeAt(i + 1) !== 34) break;
+ ++i;
+ }
+ }
+ I = i + 2;
+ var c = text.charCodeAt(i + 1);
+ if (c === 13) {
+ eol = true;
+ if (text.charCodeAt(i + 2) === 10) ++I;
+ } else if (c === 10) {
+ eol = true;
+ }
+ return text.substring(j + 1, i).replace(/""/g, '"');
+ }
+ while (I < N) {
+ var c = text.charCodeAt(I++), k = 1;
+ if (c === 10) eol = true; else if (c === 13) {
+ eol = true;
+ if (text.charCodeAt(I) === 10) ++I, ++k;
+ } else if (c !== delimiterCode) continue;
+ return text.substring(j, I - k);
+ }
+ return text.substring(j);
+ }
+ while ((t = token()) !== EOF) {
+ var a = [];
+ while (t !== EOL && t !== EOF) {
+ a.push(t);
+ t = token();
+ }
+ if (f && !(a = f(a, n++))) continue;
+ rows.push(a);
+ }
+ return rows;
+ };
+ dsv.format = function(rows) {
+ return rows.map(formatRow).join("\n");
+ };
+ function formatRow(row) {
+ return row.map(formatValue).join(delimiter);
+ }
+ function formatValue(text) {
+ return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
+ }
+ return dsv;
+ }
+ d3.csv = d3_dsv(",", "text/csv");
+ d3.tsv = d3_dsv(" ", "text/tab-separated-values");
+ d3.geo = {};
+ d3.geo.stream = function(object, listener) {
+ if (d3_geo_streamObjectType.hasOwnProperty(object.type)) {
+ d3_geo_streamObjectType[object.type](object, listener);
+ } else {
+ d3_geo_streamGeometry(object, listener);
+ }
+ };
+ function d3_geo_streamGeometry(geometry, listener) {
+ if (d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
+ d3_geo_streamGeometryType[geometry.type](geometry, listener);
+ }
+ }
+ var d3_geo_streamObjectType = {
+ Feature: function(feature, listener) {
+ d3_geo_streamGeometry(feature.geometry, listener);
+ },
+ FeatureCollection: function(object, listener) {
+ var features = object.features, i = -1, n = features.length;
+ while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
+ },
+ GeometryCollection: function(object, listener) {
+ var geometries = object.geometries, i = -1, n = geometries.length;
+ while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
+ }
+ };
+ var d3_geo_streamGeometryType = {
+ Sphere: function(object, listener) {
+ listener.sphere();
+ },
+ Point: function(object, listener) {
+ var coordinate = object.coordinates;
+ listener.point(coordinate[0], coordinate[1]);
+ },
+ MultiPoint: function(object, listener) {
+ var coordinates = object.coordinates, i = -1, n = coordinates.length, coordinate;
+ while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]);
+ },
+ LineString: function(object, listener) {
+ d3_geo_streamLine(object.coordinates, listener, 0);
+ },
+ MultiLineString: function(object, listener) {
+ var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
+ },
+ Polygon: function(object, listener) {
+ d3_geo_streamPolygon(object.coordinates, listener);
+ },
+ MultiPolygon: function(object, listener) {
+ var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
+ }
+ };
+ function d3_geo_streamLine(coordinates, listener, closed) {
+ var i = -1, n = coordinates.length - closed, coordinate;
+ listener.lineStart();
+ while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]);
+ listener.lineEnd();
+ }
+ function d3_geo_streamPolygon(coordinates, listener) {
+ var i = -1, n = coordinates.length;
+ listener.polygonStart();
+ while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
+ listener.polygonEnd();
+ }
+ function d3_geo_spherical(cartesian) {
+ return [ Math.atan2(cartesian[1], cartesian[0]), Math.asin(Math.max(-1, Math.min(1, cartesian[2]))) ];
+ }
+ function d3_geo_sphericalEqual(a, b) {
+ return Math.abs(a[0] - b[0]) < ε && Math.abs(a[1] - b[1]) < ε;
+ }
+ function d3_geo_cartesian(spherical) {
+ var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
+ return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
+ }
+ function d3_geo_cartesianDot(a, b) {
+ return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+ }
+ function d3_geo_cartesianCross(a, b) {
+ return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
+ }
+ function d3_geo_cartesianAdd(a, b) {
+ a[0] += b[0];
+ a[1] += b[1];
+ a[2] += b[2];
+ }
+ function d3_geo_cartesianScale(vector, k) {
+ return [ vector[0] * k, vector[1] * k, vector[2] * k ];
+ }
+ function d3_geo_cartesianNormalize(d) {
+ var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
+ d[0] /= l;
+ d[1] /= l;
+ d[2] /= l;
+ }
+ function d3_geo_resample(project) {
+ var δ2 = .5, maxDepth = 16;
+ function resample(stream) {
+ var λ0, x0, y0, a0, b0, c0;
+ var resample = {
+ point: point,
+ lineStart: lineStart,
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ stream.polygonStart();
+ resample.lineStart = polygonLineStart;
+ },
+ polygonEnd: function() {
+ stream.polygonEnd();
+ resample.lineStart = lineStart;
+ }
+ };
+ function point(x, y) {
+ x = project(x, y);
+ stream.point(x[0], x[1]);
+ }
+ function lineStart() {
+ x0 = NaN;
+ resample.point = linePoint;
+ stream.lineStart();
+ }
+ function linePoint(λ, φ) {
+ var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
+ resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
+ stream.point(x0, y0);
+ }
+ function lineEnd() {
+ resample.point = point;
+ stream.lineEnd();
+ }
+ function polygonLineStart() {
+ var λ00, φ00, x00, y00, a00, b00, c00;
+ lineStart();
+ resample.point = function(λ, φ) {
+ linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
+ resample.point = linePoint;
+ };
+ resample.lineEnd = function() {
+ resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
+ resample.lineEnd = lineEnd;
+ lineEnd();
+ };
+ }
+ return resample;
+ }
+ function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
+ var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
+ if (d2 > 4 * δ2 && depth--) {
+ var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = Math.abs(Math.abs(c) - 1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
+ if (dz * dz / d2 > δ2 || Math.abs((dx * dx2 + dy * dy2) / d2 - .5) > .3) {
+ resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
+ stream.point(x2, y2);
+ resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
+ }
+ }
+ }
+ resample.precision = function(_) {
+ if (!arguments.length) return Math.sqrt(δ2);
+ maxDepth = (δ2 = _ * _) > 0 && 16;
+ return resample;
+ };
+ return resample;
+ }
+ d3.geo.albersUsa = function() {
+ var lower48 = d3.geo.albers();
+ var alaska = d3.geo.albers().rotate([ 160, 0 ]).center([ 0, 60 ]).parallels([ 55, 65 ]);
+ var hawaii = d3.geo.albers().rotate([ 160, 0 ]).center([ 0, 20 ]).parallels([ 8, 18 ]);
+ var puertoRico = d3.geo.albers().rotate([ 60, 0 ]).center([ 0, 10 ]).parallels([ 8, 18 ]);
+ function albersUsa(coordinates) {
+ return projection(coordinates)(coordinates);
+ }
+ function projection(point) {
+ var lon = point[0], lat = point[1];
+ return lat > 50 ? alaska : lon < -140 ? hawaii : lat < 21 ? puertoRico : lower48;
+ }
+ albersUsa.scale = function(x) {
+ if (!arguments.length) return lower48.scale();
+ lower48.scale(x);
+ alaska.scale(x * .6);
+ hawaii.scale(x);
+ puertoRico.scale(x * 1.5);
+ return albersUsa.translate(lower48.translate());
+ };
+ albersUsa.translate = function(x) {
+ if (!arguments.length) return lower48.translate();
+ var dz = lower48.scale(), dx = x[0], dy = x[1];
+ lower48.translate(x);
+ alaska.translate([ dx - .4 * dz, dy + .17 * dz ]);
+ hawaii.translate([ dx - .19 * dz, dy + .2 * dz ]);
+ puertoRico.translate([ dx + .58 * dz, dy + .43 * dz ]);
+ return albersUsa;
+ };
+ return albersUsa.scale(lower48.scale());
+ };
+ function d3_geo_albers(φ0, φ1) {
+ var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
+ function albers(λ, φ) {
+ var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
+ return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
+ }
+ albers.invert = function(x, y) {
+ var ρ0_y = ρ0 - y;
+ return [ Math.atan2(x, ρ0_y) / n, Math.asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
+ };
+ return albers;
+ }
+ (d3.geo.albers = function() {
+ var φ0 = 29.5 * d3_radians, φ1 = 45.5 * d3_radians, m = d3_geo_projectionMutator(d3_geo_albers), p = m(φ0, φ1);
+ p.parallels = function(_) {
+ if (!arguments.length) return [ φ0 * d3_degrees, φ1 * d3_degrees ];
+ return m(φ0 = _[0] * d3_radians, φ1 = _[1] * d3_radians);
+ };
+ return p.rotate([ 98, 0 ]).center([ 0, 38 ]).scale(1e3);
+ }).raw = d3_geo_albers;
+ var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
+ return Math.sqrt(2 / (1 + cosλcosφ));
+ }, function(ρ) {
+ return 2 * Math.asin(ρ / 2);
+ });
+ (d3.geo.azimuthalEqualArea = function() {
+ return d3_geo_projection(d3_geo_azimuthalEqualArea);
+ }).raw = d3_geo_azimuthalEqualArea;
+ var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
+ var c = Math.acos(cosλcosφ);
+ return c && c / Math.sin(c);
+ }, d3_identity);
+ (d3.geo.azimuthalEquidistant = function() {
+ return d3_geo_projection(d3_geo_azimuthalEquidistant);
+ }).raw = d3_geo_azimuthalEquidistant;
+ d3.geo.bounds = d3_geo_bounds();
+ function d3_geo_bounds(projection) {
+ var x0, y0, x1, y1;
+ var bound = {
+ point: boundPoint,
+ lineStart: d3_noop,
+ lineEnd: d3_noop,
+ polygonStart: function() {
+ bound.lineEnd = boundPolygonLineEnd;
+ },
+ polygonEnd: function() {
+ bound.point = boundPoint;
+ }
+ };
+ var projectBound = projection ? projection.stream(bound) : bound;
+ function boundPoint(x, y) {
+ if (x < x0) x0 = x;
+ if (x > x1) x1 = x;
+ if (y < y0) y0 = y;
+ if (y > y1) y1 = y;
+ }
+ function boundPolygonLineEnd() {
+ bound.point = bound.lineEnd = d3_noop;
+ }
+ return function(feature) {
+ y1 = x1 = -(x0 = y0 = Infinity);
+ d3.geo.stream(feature, projectBound);
+ return [ [ x0, y0 ], [ x1, y1 ] ];
+ };
+ }
+ d3.geo.centroid = function(object) {
+ d3_geo_centroidDimension = d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+ d3.geo.stream(object, d3_geo_centroid);
+ var m;
+ if (d3_geo_centroidW && Math.abs(m = Math.sqrt(d3_geo_centroidX * d3_geo_centroidX + d3_geo_centroidY * d3_geo_centroidY + d3_geo_centroidZ * d3_geo_centroidZ)) > ε) {
+ return [ Math.atan2(d3_geo_centroidY, d3_geo_centroidX) * d3_degrees, Math.asin(Math.max(-1, Math.min(1, d3_geo_centroidZ / m))) * d3_degrees ];
+ }
+ };
+ var d3_geo_centroidDimension, d3_geo_centroidW, d3_geo_centroidX, d3_geo_centroidY, d3_geo_centroidZ;
+ var d3_geo_centroid = {
+ sphere: d3_noop,
+ point: d3_geo_centroidPoint,
+ lineStart: d3_geo_centroidLineStart,
+ lineEnd: d3_geo_centroidLineEnd,
+ polygonStart: function() {
+ d3_geo_centroidDimension = 2;
+ d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
+ },
+ polygonEnd: function() {
+ d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
+ }
+ };
+ function d3_geo_centroidPoint(λ, φ) {
+ if (d3_geo_centroidDimension) return;
+ ++d3_geo_centroidW;
+ λ *= d3_radians;
+ var cosφ = Math.cos(φ *= d3_radians);
+ d3_geo_centroidX += (cosφ * Math.cos(λ) - d3_geo_centroidX) / d3_geo_centroidW;
+ d3_geo_centroidY += (cosφ * Math.sin(λ) - d3_geo_centroidY) / d3_geo_centroidW;
+ d3_geo_centroidZ += (Math.sin(φ) - d3_geo_centroidZ) / d3_geo_centroidW;
+ }
+ function d3_geo_centroidRingStart() {
+ var λ00, φ00;
+ if (d3_geo_centroidDimension < 2) {
+ d3_geo_centroidDimension = 2;
+ d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+ }
+ d3_geo_centroidDimension = 1;
+ d3_geo_centroidLineStart();
+ d3_geo_centroidDimension = 2;
+ var linePoint = d3_geo_centroid.point;
+ d3_geo_centroid.point = function(λ, φ) {
+ linePoint(λ00 = λ, φ00 = φ);
+ };
+ d3_geo_centroid.lineEnd = function() {
+ d3_geo_centroid.point(λ00, φ00);
+ d3_geo_centroidLineEnd();
+ d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
+ };
+ }
+ function d3_geo_centroidLineStart() {
+ var x0, y0, z0;
+ if (d3_geo_centroidDimension !== 1) {
+ if (d3_geo_centroidDimension < 1) {
+ d3_geo_centroidDimension = 1;
+ d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+ } else return;
+ }
+ d3_geo_centroid.point = function(λ, φ) {
+ λ *= d3_radians;
+ var cosφ = Math.cos(φ *= d3_radians);
+ x0 = cosφ * Math.cos(λ);
+ y0 = cosφ * Math.sin(λ);
+ z0 = Math.sin(φ);
+ d3_geo_centroid.point = nextPoint;
+ };
+ function nextPoint(λ, φ) {
+ λ *= d3_radians;
+ var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
+ d3_geo_centroidW += w;
+ d3_geo_centroidX += w * (x0 + (x0 = x));
+ d3_geo_centroidY += w * (y0 + (y0 = y));
+ d3_geo_centroidZ += w * (z0 + (z0 = z));
+ }
+ }
+ function d3_geo_centroidLineEnd() {
+ d3_geo_centroid.point = d3_geo_centroidPoint;
+ }
+ d3.geo.circle = function() {
+ var origin = [ 0, 0 ], angle, precision = 6, interpolate;
+ function circle() {
+ var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(center[0] * d3_radians, center[1] * d3_radians, 0), ring = [];
+ interpolate(null, null, 1, {
+ point: function(x, y) {
+ ring.push(x = rotate(x, y));
+ x[0] *= d3_degrees, x[1] *= d3_degrees;
+ }
+ });
+ return {
+ type: "Polygon",
+ coordinates: [ ring ]
+ };
+ }
+ circle.origin = function(x) {
+ if (!arguments.length) return origin;
+ origin = x;
+ return circle;
+ };
+ circle.angle = function(x) {
+ if (!arguments.length) return angle;
+ interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
+ return circle;
+ };
+ circle.precision = function(_) {
+ if (!arguments.length) return precision;
+ interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
+ return circle;
+ };
+ return circle.angle(90);
+ };
+ function d3_geo_circleInterpolate(radians, precision) {
+ var cr = Math.cos(radians), sr = Math.sin(radians);
+ return function(from, to, direction, listener) {
+ if (from != null) {
+ from = d3_geo_circleAngle(cr, from);
+ to = d3_geo_circleAngle(cr, to);
+ if (direction > 0 ? from < to : from > to) from += direction * 2 * π;
+ } else {
+ from = radians + direction * 2 * π;
+ to = radians;
+ }
+ var point;
+ for (var step = direction * precision, t = from; direction > 0 ? t > to : t < to; t -= step) {
+ listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
+ }
+ };
+ }
+ function d3_geo_circleAngle(cr, point) {
+ var a = d3_geo_cartesian(point);
+ a[0] -= cr;
+ d3_geo_cartesianNormalize(a);
+ var angle = Math.acos(Math.max(-1, Math.min(1, -a[1])));
+ return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
+ }
+ function d3_geo_clip(pointVisible, clipLine, interpolate) {
+ return function(listener) {
+ var line = clipLine(listener);
+ var clip = {
+ point: point,
+ lineStart: lineStart,
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ clip.point = pointRing;
+ clip.lineStart = ringStart;
+ clip.lineEnd = ringEnd;
+ invisible = false;
+ invisibleArea = visibleArea = 0;
+ segments = [];
+ listener.polygonStart();
+ },
+ polygonEnd: function() {
+ clip.point = point;
+ clip.lineStart = lineStart;
+ clip.lineEnd = lineEnd;
+ segments = d3.merge(segments);
+ if (segments.length) {
+ d3_geo_clipPolygon(segments, interpolate, listener);
+ } else if (visibleArea < -ε || invisible && invisibleArea < -ε) {
+ listener.lineStart();
+ interpolate(null, null, 1, listener);
+ listener.lineEnd();
+ }
+ listener.polygonEnd();
+ segments = null;
+ },
+ sphere: function() {
+ listener.polygonStart();
+ listener.lineStart();
+ interpolate(null, null, 1, listener);
+ listener.lineEnd();
+ listener.polygonEnd();
+ }
+ };
+ function point(λ, φ) {
+ if (pointVisible(λ, φ)) listener.point(λ, φ);
+ }
+ function pointLine(λ, φ) {
+ line.point(λ, φ);
+ }
+ function lineStart() {
+ clip.point = pointLine;
+ line.lineStart();
+ }
+ function lineEnd() {
+ clip.point = point;
+ line.lineEnd();
+ }
+ var segments, visibleArea, invisibleArea, invisible;
+ var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), ring;
+ function pointRing(λ, φ) {
+ ringListener.point(λ, φ);
+ ring.push([ λ, φ ]);
+ }
+ function ringStart() {
+ ringListener.lineStart();
+ ring = [];
+ }
+ function ringEnd() {
+ pointRing(ring[0][0], ring[0][1]);
+ ringListener.lineEnd();
+ var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
+ if (!n) {
+ invisible = true;
+ invisibleArea += d3_geo_clipAreaRing(ring, -1);
+ ring = null;
+ return;
+ }
+ ring = null;
+ if (clean & 1) {
+ segment = ringSegments[0];
+ visibleArea += d3_geo_clipAreaRing(segment, 1);
+ var n = segment.length - 1, i = -1, point;
+ listener.lineStart();
+ while (++i < n) listener.point((point = segment[i])[0], point[1]);
+ listener.lineEnd();
+ return;
+ }
+ if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
+ segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
+ }
+ return clip;
+ };
+ }
+ function d3_geo_clipPolygon(segments, interpolate, listener) {
+ var subject = [], clip = [];
+ segments.forEach(function(segment) {
+ var n = segment.length;
+ if (n <= 1) return;
+ var p0 = segment[0], p1 = segment[n - 1], a = {
+ point: p0,
+ points: segment,
+ other: null,
+ visited: false,
+ entry: true,
+ subject: true
+ }, b = {
+ point: p0,
+ points: [ p0 ],
+ other: a,
+ visited: false,
+ entry: false,
+ subject: false
+ };
+ a.other = b;
+ subject.push(a);
+ clip.push(b);
+ a = {
+ point: p1,
+ points: [ p1 ],
+ other: null,
+ visited: false,
+ entry: false,
+ subject: true
+ };
+ b = {
+ point: p1,
+ points: [ p1 ],
+ other: a,
+ visited: false,
+ entry: true,
+ subject: false
+ };
+ a.other = b;
+ subject.push(a);
+ clip.push(b);
+ });
+ clip.sort(d3_geo_clipSort);
+ d3_geo_clipLinkCircular(subject);
+ d3_geo_clipLinkCircular(clip);
+ if (!subject.length) return;
+ var start = subject[0], current, points, point;
+ while (1) {
+ current = start;
+ while (current.visited) if ((current = current.next) === start) return;
+ points = current.points;
+ listener.lineStart();
+ do {
+ current.visited = current.other.visited = true;
+ if (current.entry) {
+ if (current.subject) {
+ for (var i = 0; i < points.length; i++) listener.point((point = points[i])[0], point[1]);
+ } else {
+ interpolate(current.point, current.next.point, 1, listener);
+ }
+ current = current.next;
+ } else {
+ if (current.subject) {
+ points = current.prev.points;
+ for (var i = points.length; --i >= 0; ) listener.point((point = points[i])[0], point[1]);
+ } else {
+ interpolate(current.point, current.prev.point, -1, listener);
+ }
+ current = current.prev;
+ }
+ current = current.other;
+ points = current.points;
+ } while (!current.visited);
+ listener.lineEnd();
+ }
+ }
+ function d3_geo_clipLinkCircular(array) {
+ if (!(n = array.length)) return;
+ var n, i = 0, a = array[0], b;
+ while (++i < n) {
+ a.next = b = array[i];
+ b.prev = a;
+ a = b;
+ }
+ a.next = b = array[0];
+ b.prev = a;
+ }
+ function d3_geo_clipSort(a, b) {
+ return ((a = a.point)[0] < 0 ? a[1] - π / 2 - ε : π / 2 - a[1]) - ((b = b.point)[0] < 0 ? b[1] - π / 2 - ε : π / 2 - b[1]);
+ }
+ function d3_geo_clipSegmentLength1(segment) {
+ return segment.length > 1;
+ }
+ function d3_geo_clipBufferListener() {
+ var lines = [], line;
+ return {
+ lineStart: function() {
+ lines.push(line = []);
+ },
+ point: function(λ, φ) {
+ line.push([ λ, φ ]);
+ },
+ lineEnd: d3_noop,
+ buffer: function() {
+ var buffer = lines;
+ lines = [];
+ line = null;
+ return buffer;
+ }
+ };
+ }
+ function d3_geo_clipAreaRing(ring, invisible) {
+ if (!(n = ring.length)) return 0;
+ var n, i = 0, area = 0, p = ring[0], λ = p[0], φ = p[1], cosφ = Math.cos(φ), x0 = Math.atan2(invisible * Math.sin(λ) * cosφ, Math.sin(φ)), y0 = 1 - invisible * Math.cos(λ) * cosφ, x1 = x0, x, y;
+ while (++i < n) {
+ p = ring[i];
+ cosφ = Math.cos(φ = p[1]);
+ x = Math.atan2(invisible * Math.sin(λ = p[0]) * cosφ, Math.sin(φ));
+ y = 1 - invisible * Math.cos(λ) * cosφ;
+ if (Math.abs(y0 - 2) < ε && Math.abs(y - 2) < ε) continue;
+ if (Math.abs(y) < ε || Math.abs(y0) < ε) {} else if (Math.abs(Math.abs(x - x0) - π) < ε) {
+ if (y + y0 > 2) area += 4 * (x - x0);
+ } else if (Math.abs(y0 - 2) < ε) area += 4 * (x - x1); else area += ((3 * π + x - x0) % (2 * π) - π) * (y0 + y);
+ x1 = x0, x0 = x, y0 = y;
+ }
+ return area;
+ }
+ var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate);
+ function d3_geo_clipAntimeridianLine(listener) {
+ var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
+ return {
+ lineStart: function() {
+ listener.lineStart();
+ clean = 1;
+ },
+ point: function(λ1, φ1) {
+ var sλ1 = λ1 > 0 ? π : -π, dλ = Math.abs(λ1 - λ0);
+ if (Math.abs(dλ - π) < ε) {
+ listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? π / 2 : -π / 2);
+ listener.point(sλ0, φ0);
+ listener.lineEnd();
+ listener.lineStart();
+ listener.point(sλ1, φ0);
+ listener.point(λ1, φ0);
+ clean = 0;
+ } else if (sλ0 !== sλ1 && dλ >= π) {
+ if (Math.abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
+ if (Math.abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
+ φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
+ listener.point(sλ0, φ0);
+ listener.lineEnd();
+ listener.lineStart();
+ listener.point(sλ1, φ0);
+ clean = 0;
+ }
+ listener.point(λ0 = λ1, φ0 = φ1);
+ sλ0 = sλ1;
+ },
+ lineEnd: function() {
+ listener.lineEnd();
+ λ0 = φ0 = NaN;
+ },
+ clean: function() {
+ return 2 - clean;
+ }
+ };
+ }
+ function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
+ var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
+ return Math.abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
+ }
+ function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
+ var φ;
+ if (from == null) {
+ φ = direction * π / 2;
+ listener.point(-π, φ);
+ listener.point(0, φ);
+ listener.point(π, φ);
+ listener.point(π, 0);
+ listener.point(π, -φ);
+ listener.point(0, -φ);
+ listener.point(-π, -φ);
+ listener.point(-π, 0);
+ listener.point(-π, φ);
+ } else if (Math.abs(from[0] - to[0]) > ε) {
+ var s = (from[0] < to[0] ? 1 : -1) * π;
+ φ = direction * s / 2;
+ listener.point(-s, φ);
+ listener.point(0, φ);
+ listener.point(s, φ);
+ } else {
+ listener.point(to[0], to[1]);
+ }
+ }
+ function d3_geo_clipCircle(degrees) {
+ var radians = degrees * d3_radians, cr = Math.cos(radians), interpolate = d3_geo_circleInterpolate(radians, 6 * d3_radians);
+ return d3_geo_clip(visible, clipLine, interpolate);
+ function visible(λ, φ) {
+ return Math.cos(λ) * Math.cos(φ) > cr;
+ }
+ function clipLine(listener) {
+ var point0, v0, v00, clean;
+ return {
+ lineStart: function() {
+ v00 = v0 = false;
+ clean = 1;
+ },
+ point: function(λ, φ) {
+ var point1 = [ λ, φ ], point2, v = visible(λ, φ);
+ if (!point0 && (v00 = v0 = v)) listener.lineStart();
+ if (v !== v0) {
+ point2 = intersect(point0, point1);
+ if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
+ point1[0] += ε;
+ point1[1] += ε;
+ v = visible(point1[0], point1[1]);
+ }
+ }
+ if (v !== v0) {
+ clean = 0;
+ if (v0 = v) {
+ listener.lineStart();
+ point2 = intersect(point1, point0);
+ listener.point(point2[0], point2[1]);
+ } else {
+ point2 = intersect(point0, point1);
+ listener.point(point2[0], point2[1]);
+ listener.lineEnd();
+ }
+ point0 = point2;
+ }
+ if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) listener.point(point1[0], point1[1]);
+ point0 = point1;
+ },
+ lineEnd: function() {
+ if (v0) listener.lineEnd();
+ point0 = null;
+ },
+ clean: function() {
+ return clean | (v00 && v0) << 1;
+ }
+ };
+ }
+ function intersect(a, b) {
+ var pa = d3_geo_cartesian(a, 0), pb = d3_geo_cartesian(b, 0);
+ var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
+ if (!determinant) return a;
+ var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
+ d3_geo_cartesianAdd(A, B);
+ var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t = Math.sqrt(w * w - uu * (d3_geo_cartesianDot(A, A) - 1)), q = d3_geo_cartesianScale(u, (-w - t) / uu);
+ d3_geo_cartesianAdd(q, A);
+ return d3_geo_spherical(q);
+ }
+ }
+ function d3_geo_compose(a, b) {
+ function compose(x, y) {
+ return x = a(x, y), b(x[0], x[1]);
+ }
+ if (a.invert && b.invert) compose.invert = function(x, y) {
+ return x = b.invert(x, y), a.invert(x[0], x[1]);
+ };
+ return compose;
+ }
+ function d3_geo_equirectangular(λ, φ) {
+ return [ λ, φ ];
+ }
+ (d3.geo.equirectangular = function() {
+ return d3_geo_projection(d3_geo_equirectangular).scale(250 / π);
+ }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
+ var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
+ return 1 / cosλcosφ;
+ }, Math.atan);
+ (d3.geo.gnomonic = function() {
+ return d3_geo_projection(d3_geo_gnomonic);
+ }).raw = d3_geo_gnomonic;
+ d3.geo.graticule = function() {
+ var x1, x0, y1, y0, dx = 22.5, dy = dx, x, y, precision = 2.5;
+ function graticule() {
+ return {
+ type: "MultiLineString",
+ coordinates: lines()
+ };
+ }
+ function lines() {
+ return d3.range(Math.ceil(x0 / dx) * dx, x1, dx).map(x).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).map(y));
+ }
+ graticule.lines = function() {
+ return lines().map(function(coordinates) {
+ return {
+ type: "LineString",
+ coordinates: coordinates
+ };
+ });
+ };
+ graticule.outline = function() {
+ return {
+ type: "Polygon",
+ coordinates: [ x(x0).concat(y(y1).slice(1), x(x1).reverse().slice(1), y(y0).reverse().slice(1)) ]
+ };
+ };
+ graticule.extent = function(_) {
+ if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
+ x0 = +_[0][0], x1 = +_[1][0];
+ y0 = +_[0][1], y1 = +_[1][1];
+ if (x0 > x1) _ = x0, x0 = x1, x1 = _;
+ if (y0 > y1) _ = y0, y0 = y1, y1 = _;
+ return graticule.precision(precision);
+ };
+ graticule.step = function(_) {
+ if (!arguments.length) return [ dx, dy ];
+ dx = +_[0], dy = +_[1];
+ return graticule;
+ };
+ graticule.precision = function(_) {
+ if (!arguments.length) return precision;
+ precision = +_;
+ x = d3_geo_graticuleX(y0, y1, precision);
+ y = d3_geo_graticuleY(x0, x1, precision);
+ return graticule;
+ };
+ return graticule.extent([ [ -180 + ε, -90 + ε ], [ 180 - ε, 90 - ε ] ]);
+ };
+ function d3_geo_graticuleX(y0, y1, dy) {
+ var y = d3.range(y0, y1 - ε, dy).concat(y1);
+ return function(x) {
+ return y.map(function(y) {
+ return [ x, y ];
+ });
+ };
+ }
+ function d3_geo_graticuleY(x0, x1, dx) {
+ var x = d3.range(x0, x1 - ε, dx).concat(x1);
+ return function(y) {
+ return x.map(function(x) {
+ return [ x, y ];
+ });
+ };
+ }
+ d3.geo.interpolate = function(source, target) {
+ return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
+ };
+ function d3_geo_interpolate(x0, y0, x1, y1) {
+ var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = Math.acos(Math.max(-1, Math.min(1, sy0 * sy1 + cy0 * cy1 * Math.cos(x1 - x0)))), k = 1 / Math.sin(d);
+ function interpolate(t) {
+ var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
+ return [ Math.atan2(y, x) / d3_radians, Math.atan2(z, Math.sqrt(x * x + y * y)) / d3_radians ];
+ }
+ interpolate.distance = d;
+ return interpolate;
+ }
+ d3.geo.greatArc = function() {
+ var source = d3_source, s, target = d3_target, t, precision = 6 * d3_radians, interpolate;
+ function greatArc() {
+ var p0 = s || source.apply(this, arguments), p1 = t || target.apply(this, arguments), i = interpolate || d3.geo.interpolate(p0, p1), t = 0, dt = precision / i.distance, coordinates = [ p0 ];
+ while ((t += dt) < 1) coordinates.push(i(t));
+ coordinates.push(p1);
+ return {
+ type: "LineString",
+ coordinates: coordinates
+ };
+ }
+ greatArc.distance = function() {
+ return (interpolate || d3.geo.interpolate(s || source.apply(this, arguments), t || target.apply(this, arguments))).distance;
+ };
+ greatArc.source = function(_) {
+ if (!arguments.length) return source;
+ source = _, s = typeof _ === "function" ? null : _;
+ interpolate = s && t ? d3.geo.interpolate(s, t) : null;
+ return greatArc;
+ };
+ greatArc.target = function(_) {
+ if (!arguments.length) return target;
+ target = _, t = typeof _ === "function" ? null : _;
+ interpolate = s && t ? d3.geo.interpolate(s, t) : null;
+ return greatArc;
+ };
+ greatArc.precision = function(_) {
+ if (!arguments.length) return precision / d3_radians;
+ precision = _ * d3_radians;
+ return greatArc;
+ };
+ return greatArc;
+ };
+ function d3_geo_mercator(λ, φ) {
+ return [ λ / (2 * π), Math.max(-.5, Math.min(+.5, Math.log(Math.tan(π / 4 + φ / 2)) / (2 * π))) ];
+ }
+ d3_geo_mercator.invert = function(x, y) {
+ return [ 2 * π * x, 2 * Math.atan(Math.exp(2 * π * y)) - π / 2 ];
+ };
+ (d3.geo.mercator = function() {
+ return d3_geo_projection(d3_geo_mercator).scale(500);
+ }).raw = d3_geo_mercator;
+ var d3_geo_orthographic = d3_geo_azimuthal(function() {
+ return 1;
+ }, Math.asin);
+ (d3.geo.orthographic = function() {
+ return d3_geo_projection(d3_geo_orthographic);
+ }).raw = d3_geo_orthographic;
+ d3.geo.path = function() {
+ var pointRadius = 4.5, projection, context, projectStream, contextStream;
+ function path(object) {
+ if (object) d3.geo.stream(object, projectStream(contextStream.pointRadius(typeof pointRadius === "function" ? +pointRadius.apply(this, arguments) : pointRadius)));
+ return contextStream.result();
+ }
+ path.area = function(object) {
+ d3_geo_pathAreaSum = 0;
+ d3.geo.stream(object, projectStream(d3_geo_pathArea));
+ return d3_geo_pathAreaSum;
+ };
+ path.centroid = function(object) {
+ d3_geo_centroidDimension = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+ d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
+ return d3_geo_centroidZ ? [ d3_geo_centroidX / d3_geo_centroidZ, d3_geo_centroidY / d3_geo_centroidZ ] : undefined;
+ };
+ path.bounds = function(object) {
+ return d3_geo_bounds(projection)(object);
+ };
+ path.projection = function(_) {
+ if (!arguments.length) return projection;
+ projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
+ return path;
+ };
+ path.context = function(_) {
+ if (!arguments.length) return context;
+ contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
+ return path;
+ };
+ path.pointRadius = function(_) {
+ if (!arguments.length) return pointRadius;
+ pointRadius = typeof _ === "function" ? _ : +_;
+ return path;
+ };
+ return path.projection(d3.geo.albersUsa()).context(null);
+ };
+ function d3_geo_pathCircle(radius) {
+ return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + +2 * radius + "z";
+ }
+ function d3_geo_pathProjectStream(project) {
+ var resample = d3_geo_resample(function(λ, φ) {
+ return project([ λ * d3_degrees, φ * d3_degrees ]);
+ });
+ return function(stream) {
+ stream = resample(stream);
+ return {
+ point: function(λ, φ) {
+ stream.point(λ * d3_radians, φ * d3_radians);
+ },
+ sphere: function() {
+ stream.sphere();
+ },
+ lineStart: function() {
+ stream.lineStart();
+ },
+ lineEnd: function() {
+ stream.lineEnd();
+ },
+ polygonStart: function() {
+ stream.polygonStart();
+ },
+ polygonEnd: function() {
+ stream.polygonEnd();
+ }
+ };
+ };
+ }
+ function d3_geo_pathBuffer() {
+ var pointCircle = d3_geo_pathCircle(4.5), buffer = [];
+ var stream = {
+ point: point,
+ lineStart: function() {
+ stream.point = pointLineStart;
+ },
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ stream.lineEnd = lineEndPolygon;
+ },
+ polygonEnd: function() {
+ stream.lineEnd = lineEnd;
+ stream.point = point;
+ },
+ pointRadius: function(_) {
+ pointCircle = d3_geo_pathCircle(_);
+ return stream;
+ },
+ result: function() {
+ if (buffer.length) {
+ var result = buffer.join("");
+ buffer = [];
+ return result;
+ }
+ }
+ };
+ function point(x, y) {
+ buffer.push("M", x, ",", y, pointCircle);
+ }
+ function pointLineStart(x, y) {
+ buffer.push("M", x, ",", y);
+ stream.point = pointLine;
+ }
+ function pointLine(x, y) {
+ buffer.push("L", x, ",", y);
+ }
+ function lineEnd() {
+ stream.point = point;
+ }
+ function lineEndPolygon() {
+ buffer.push("Z");
+ }
+ return stream;
+ }
+ function d3_geo_pathContext(context) {
+ var pointRadius = 4.5;
+ var stream = {
+ point: point,
+ lineStart: function() {
+ stream.point = pointLineStart;
+ },
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ stream.lineEnd = lineEndPolygon;
+ },
+ polygonEnd: function() {
+ stream.lineEnd = lineEnd;
+ stream.point = point;
+ },
+ pointRadius: function(_) {
+ pointRadius = _;
+ return stream;
+ },
+ result: d3_noop
+ };
+ function point(x, y) {
+ context.moveTo(x, y);
+ context.arc(x, y, pointRadius, 0, 2 * π);
+ }
+ function pointLineStart(x, y) {
+ context.moveTo(x, y);
+ stream.point = pointLine;
+ }
+ function pointLine(x, y) {
+ context.lineTo(x, y);
+ }
+ function lineEnd() {
+ stream.point = point;
+ }
+ function lineEndPolygon() {
+ context.closePath();
+ }
+ return stream;
+ }
+ var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
+ point: d3_noop,
+ lineStart: d3_noop,
+ lineEnd: d3_noop,
+ polygonStart: function() {
+ d3_geo_pathAreaPolygon = 0;
+ d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
+ },
+ polygonEnd: function() {
+ d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
+ d3_geo_pathAreaSum += Math.abs(d3_geo_pathAreaPolygon / 2);
+ }
+ };
+ function d3_geo_pathAreaRingStart() {
+ var x00, y00, x0, y0;
+ d3_geo_pathArea.point = function(x, y) {
+ d3_geo_pathArea.point = nextPoint;
+ x00 = x0 = x, y00 = y0 = y;
+ };
+ function nextPoint(x, y) {
+ d3_geo_pathAreaPolygon += y0 * x - x0 * y;
+ x0 = x, y0 = y;
+ }
+ d3_geo_pathArea.lineEnd = function() {
+ nextPoint(x00, y00);
+ };
+ }
+ var d3_geo_pathCentroid = {
+ point: d3_geo_pathCentroidPoint,
+ lineStart: d3_geo_pathCentroidLineStart,
+ lineEnd: d3_geo_pathCentroidLineEnd,
+ polygonStart: function() {
+ d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
+ },
+ polygonEnd: function() {
+ d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+ d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
+ d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
+ }
+ };
+ function d3_geo_pathCentroidPoint(x, y) {
+ if (d3_geo_centroidDimension) return;
+ d3_geo_centroidX += x;
+ d3_geo_centroidY += y;
+ ++d3_geo_centroidZ;
+ }
+ function d3_geo_pathCentroidLineStart() {
+ var x0, y0;
+ if (d3_geo_centroidDimension !== 1) {
+ if (d3_geo_centroidDimension < 1) {
+ d3_geo_centroidDimension = 1;
+ d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+ } else return;
+ }
+ d3_geo_pathCentroid.point = function(x, y) {
+ d3_geo_pathCentroid.point = nextPoint;
+ x0 = x, y0 = y;
+ };
+ function nextPoint(x, y) {
+ var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
+ d3_geo_centroidX += z * (x0 + x) / 2;
+ d3_geo_centroidY += z * (y0 + y) / 2;
+ d3_geo_centroidZ += z;
+ x0 = x, y0 = y;
+ }
+ }
+ function d3_geo_pathCentroidLineEnd() {
+ d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+ }
+ function d3_geo_pathCentroidRingStart() {
+ var x00, y00, x0, y0;
+ if (d3_geo_centroidDimension < 2) {
+ d3_geo_centroidDimension = 2;
+ d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
+ }
+ d3_geo_pathCentroid.point = function(x, y) {
+ d3_geo_pathCentroid.point = nextPoint;
+ x00 = x0 = x, y00 = y0 = y;
+ };
+ function nextPoint(x, y) {
+ var z = y0 * x - x0 * y;
+ d3_geo_centroidX += z * (x0 + x);
+ d3_geo_centroidY += z * (y0 + y);
+ d3_geo_centroidZ += z * 3;
+ x0 = x, y0 = y;
+ }
+ d3_geo_pathCentroid.lineEnd = function() {
+ nextPoint(x00, y00);
+ };
+ }
+ d3.geo.area = function(object) {
+ d3_geo_areaSum = 0;
+ d3.geo.stream(object, d3_geo_area);
+ return d3_geo_areaSum;
+ };
+ var d3_geo_areaSum, d3_geo_areaRing;
+ var d3_geo_area = {
+ sphere: function() {
+ d3_geo_areaSum += 4 * π;
+ },
+ point: d3_noop,
+ lineStart: d3_noop,
+ lineEnd: d3_noop,
+ polygonStart: function() {
+ d3_geo_areaRing = 0;
+ d3_geo_area.lineStart = d3_geo_areaRingStart;
+ },
+ polygonEnd: function() {
+ d3_geo_areaSum += d3_geo_areaRing < 0 ? 4 * π + d3_geo_areaRing : d3_geo_areaRing;
+ d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
+ }
+ };
+ function d3_geo_areaRingStart() {
+ var λ00, φ00, λ1, λ0, φ0, cosφ0, sinφ0;
+ d3_geo_area.point = function(λ, φ) {
+ d3_geo_area.point = nextPoint;
+ λ1 = λ0 = (λ00 = λ) * d3_radians, φ0 = (φ00 = φ) * d3_radians, cosφ0 = Math.cos(φ0),
+ sinφ0 = Math.sin(φ0);
+ };
+ function nextPoint(λ, φ) {
+ λ *= d3_radians, φ *= d3_radians;
+ if (Math.abs(Math.abs(φ0) - π / 2) < ε && Math.abs(Math.abs(φ) - π / 2) < ε) return;
+ var cosφ = Math.cos(φ), sinφ = Math.sin(φ);
+ if (Math.abs(φ0 - π / 2) < ε) d3_geo_areaRing += (λ - λ1) * 2; else {
+ var dλ = λ - λ0, cosdλ = Math.cos(dλ), d = Math.atan2(Math.sqrt((d = cosφ * Math.sin(dλ)) * d + (d = cosφ0 * sinφ - sinφ0 * cosφ * cosdλ) * d), sinφ0 * sinφ + cosφ0 * cosφ * cosdλ), s = (d + π + φ0 + φ) / 4;
+ d3_geo_areaRing += (dλ < 0 && dλ > -π || dλ > π ? -4 : 4) * Math.atan(Math.sqrt(Math.abs(Math.tan(s) * Math.tan(s - d / 2) * Math.tan(s - π / 4 - φ0 / 2) * Math.tan(s - π / 4 - φ / 2))));
+ }
+ λ1 = λ0, λ0 = λ, φ0 = φ, cosφ0 = cosφ, sinφ0 = sinφ;
+ }
+ d3_geo_area.lineEnd = function() {
+ nextPoint(λ00, φ00);
+ };
+ }
+ d3.geo.projection = d3_geo_projection;
+ d3.geo.projectionMutator = d3_geo_projectionMutator;
+ function d3_geo_projection(project) {
+ return d3_geo_projectionMutator(function() {
+ return project;
+ })();
+ }
+ function d3_geo_projectionMutator(projectAt) {
+ var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
+ x = project(x, y);
+ return [ x[0] * k + δx, δy - x[1] * k ];
+ }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, clip = d3_geo_clipAntimeridian, clipAngle = null;
+ function projection(point) {
+ point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
+ return [ point[0] * k + δx, δy - point[1] * k ];
+ }
+ function invert(point) {
+ point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
+ return [ point[0] * d3_degrees, point[1] * d3_degrees ];
+ }
+ projection.stream = function(stream) {
+ return d3_geo_projectionRadiansRotate(rotate, clip(projectResample(stream)));
+ };
+ projection.clipAngle = function(_) {
+ if (!arguments.length) return clipAngle;
+ clip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle(clipAngle = +_);
+ return projection;
+ };
+ projection.scale = function(_) {
+ if (!arguments.length) return k;
+ k = +_;
+ return reset();
+ };
+ projection.translate = function(_) {
+ if (!arguments.length) return [ x, y ];
+ x = +_[0];
+ y = +_[1];
+ return reset();
+ };
+ projection.center = function(_) {
+ if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
+ λ = _[0] % 360 * d3_radians;
+ φ = _[1] % 360 * d3_radians;
+ return reset();
+ };
+ projection.rotate = function(_) {
+ if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
+ δλ = _[0] % 360 * d3_radians;
+ δφ = _[1] % 360 * d3_radians;
+ δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
+ return reset();
+ };
+ d3.rebind(projection, projectResample, "precision");
+ function reset() {
+ projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
+ var center = project(λ, φ);
+ δx = x - center[0] * k;
+ δy = y + center[1] * k;
+ return projection;
+ }
+ return function() {
+ project = projectAt.apply(this, arguments);
+ projection.invert = project.invert && invert;
+ return reset();
+ };
+ }
+ function d3_geo_projectionRadiansRotate(rotate, stream) {
+ return {
+ point: function(x, y) {
+ y = rotate(x * d3_radians, y * d3_radians), x = y[0];
+ stream.point(x > π ? x - 2 * π : x < -π ? x + 2 * π : x, y[1]);
+ },
+ sphere: function() {
+ stream.sphere();
+ },
+ lineStart: function() {
+ stream.lineStart();
+ },
+ lineEnd: function() {
+ stream.lineEnd();
+ },
+ polygonStart: function() {
+ stream.polygonStart();
+ },
+ polygonEnd: function() {
+ stream.polygonEnd();
+ }
+ };
+ }
+ function d3_geo_rotation(δλ, δφ, δγ) {
+ return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_equirectangular;
+ }
+ function d3_geo_forwardRotationλ(δλ) {
+ return function(λ, φ) {
+ return λ += δλ, [ λ > π ? λ - 2 * π : λ < -π ? λ + 2 * π : λ, φ ];
+ };
+ }
+ function d3_geo_rotationλ(δλ) {
+ var rotation = d3_geo_forwardRotationλ(δλ);
+ rotation.invert = d3_geo_forwardRotationλ(-δλ);
+ return rotation;
+ }
+ function d3_geo_rotationφγ(δφ, δγ) {
+ var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
+ function rotation(λ, φ) {
+ var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
+ return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδγ + y * sinδγ))) ];
+ }
+ rotation.invert = function(λ, φ) {
+ var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
+ return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδφ - x * sinδφ))) ];
+ };
+ return rotation;
+ }
+ var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
+ return 1 / (1 + cosλcosφ);
+ }, function(ρ) {
+ return 2 * Math.atan(ρ);
+ });
+ (d3.geo.stereographic = function() {
+ return d3_geo_projection(d3_geo_stereographic);
+ }).raw = d3_geo_stereographic;
+ function d3_geo_azimuthal(scale, angle) {
+ function azimuthal(λ, φ) {
+ var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
+ return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
+ }
+ azimuthal.invert = function(x, y) {
+ var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
+ return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
+ };
+ return azimuthal;
+ }
+ d3.geom = {};
+ d3.geom.hull = function(vertices) {
+ if (vertices.length < 3) return [];
+ var len = vertices.length, plen = len - 1, points = [], stack = [], i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
+ for (i = 1; i < len; ++i) {
+ if (vertices[i][1] < vertices[h][1]) {
+ h = i;
+ } else if (vertices[i][1] == vertices[h][1]) {
+ h = vertices[i][0] < vertices[h][0] ? i : h;
+ }
+ }
+ for (i = 0; i < len; ++i) {
+ if (i === h) continue;
+ y1 = vertices[i][1] - vertices[h][1];
+ x1 = vertices[i][0] - vertices[h][0];
+ points.push({
+ angle: Math.atan2(y1, x1),
+ index: i
+ });
+ }
+ points.sort(function(a, b) {
+ return a.angle - b.angle;
+ });
+ a = points[0].angle;
+ v = points[0].index;
+ u = 0;
+ for (i = 1; i < plen; ++i) {
+ j = points[i].index;
+ if (a == points[i].angle) {
+ x1 = vertices[v][0] - vertices[h][0];
+ y1 = vertices[v][1] - vertices[h][1];
+ x2 = vertices[j][0] - vertices[h][0];
+ y2 = vertices[j][1] - vertices[h][1];
+ if (x1 * x1 + y1 * y1 >= x2 * x2 + y2 * y2) {
+ points[i].index = -1;
+ } else {
+ points[u].index = -1;
+ a = points[i].angle;
+ u = i;
+ v = j;
+ }
+ } else {
+ a = points[i].angle;
+ u = i;
+ v = j;
+ }
+ }
+ stack.push(h);
+ for (i = 0, j = 0; i < 2; ++j) {
+ if (points[j].index !== -1) {
+ stack.push(points[j].index);
+ i++;
+ }
+ }
+ sp = stack.length;
+ for (;j < plen; ++j) {
+ if (points[j].index === -1) continue;
+ while (!d3_geom_hullCCW(stack[sp - 2], stack[sp - 1], points[j].index, vertices)) {
+ --sp;
+ }
+ stack[sp++] = points[j].index;
+ }
+ var poly = [];
+ for (i = 0; i < sp; ++i) {
+ poly.push(vertices[stack[i]]);
+ }
+ return poly;
+ };
+ function d3_geom_hullCCW(i1, i2, i3, v) {
+ var t, a, b, c, d, e, f;
+ t = v[i1];
+ a = t[0];
+ b = t[1];
+ t = v[i2];
+ c = t[0];
+ d = t[1];
+ t = v[i3];
+ e = t[0];
+ f = t[1];
+ return (f - b) * (c - a) - (d - b) * (e - a) > 0;
+ }
+ d3.geom.polygon = function(coordinates) {
+ coordinates.area = function() {
+ var i = 0, n = coordinates.length, area = coordinates[n - 1][1] * coordinates[0][0] - coordinates[n - 1][0] * coordinates[0][1];
+ while (++i < n) {
+ area += coordinates[i - 1][1] * coordinates[i][0] - coordinates[i - 1][0] * coordinates[i][1];
+ }
+ return area * .5;
+ };
+ coordinates.centroid = function(k) {
+ var i = -1, n = coordinates.length, x = 0, y = 0, a, b = coordinates[n - 1], c;
+ if (!arguments.length) k = -1 / (6 * coordinates.area());
+ while (++i < n) {
+ a = b;
+ b = coordinates[i];
+ c = a[0] * b[1] - b[0] * a[1];
+ x += (a[0] + b[0]) * c;
+ y += (a[1] + b[1]) * c;
+ }
+ return [ x * k, y * k ];
+ };
+ coordinates.clip = function(subject) {
+ var input, i = -1, n = coordinates.length, j, m, a = coordinates[n - 1], b, c, d;
+ while (++i < n) {
+ input = subject.slice();
+ subject.length = 0;
+ b = coordinates[i];
+ c = input[(m = input.length) - 1];
+ j = -1;
+ while (++j < m) {
+ d = input[j];
+ if (d3_geom_polygonInside(d, a, b)) {
+ if (!d3_geom_polygonInside(c, a, b)) {
+ subject.push(d3_geom_polygonIntersect(c, d, a, b));
+ }
+ subject.push(d);
+ } else if (d3_geom_polygonInside(c, a, b)) {
+ subject.push(d3_geom_polygonIntersect(c, d, a, b));
+ }
+ c = d;
+ }
+ a = b;
+ }
+ return subject;
+ };
+ return coordinates;
+ };
+ function d3_geom_polygonInside(p, a, b) {
+ return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
+ }
+ function d3_geom_polygonIntersect(c, d, a, b) {
+ var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
+ return [ x1 + ua * x21, y1 + ua * y21 ];
+ }
+ d3.geom.voronoi = function(vertices) {
+ var polygons = vertices.map(function() {
+ return [];
+ }), Z = 1e6;
+ d3_voronoi_tessellate(vertices, function(e) {
+ var s1, s2, x1, x2, y1, y2;
+ if (e.a === 1 && e.b >= 0) {
+ s1 = e.ep.r;
+ s2 = e.ep.l;
+ } else {
+ s1 = e.ep.l;
+ s2 = e.ep.r;
+ }
+ if (e.a === 1) {
+ y1 = s1 ? s1.y : -Z;
+ x1 = e.c - e.b * y1;
+ y2 = s2 ? s2.y : Z;
+ x2 = e.c - e.b * y2;
+ } else {
+ x1 = s1 ? s1.x : -Z;
+ y1 = e.c - e.a * x1;
+ x2 = s2 ? s2.x : Z;
+ y2 = e.c - e.a * x2;
+ }
+ var v1 = [ x1, y1 ], v2 = [ x2, y2 ];
+ polygons[e.region.l.index].push(v1, v2);
+ polygons[e.region.r.index].push(v1, v2);
+ });
+ polygons = polygons.map(function(polygon, i) {
+ var cx = vertices[i][0], cy = vertices[i][1], angle = polygon.map(function(v) {
+ return Math.atan2(v[0] - cx, v[1] - cy);
+ });
+ return d3.range(polygon.length).sort(function(a, b) {
+ return angle[a] - angle[b];
+ }).filter(function(d, i, order) {
+ return !i || angle[d] - angle[order[i - 1]] > ε;
+ }).map(function(d) {
+ return polygon[d];
+ });
+ });
+ polygons.forEach(function(polygon, i) {
+ var n = polygon.length;
+ if (!n) return polygon.push([ -Z, -Z ], [ -Z, Z ], [ Z, Z ], [ Z, -Z ]);
+ if (n > 2) return;
+ var p0 = vertices[i], p1 = polygon[0], p2 = polygon[1], x0 = p0[0], y0 = p0[1], x1 = p1[0], y1 = p1[1], x2 = p2[0], y2 = p2[1], dx = Math.abs(x2 - x1), dy = y2 - y1;
+ if (Math.abs(dy) < ε) {
+ var y = y0 < y1 ? -Z : Z;
+ polygon.push([ -Z, y ], [ Z, y ]);
+ } else if (dx < ε) {
+ var x = x0 < x1 ? -Z : Z;
+ polygon.push([ x, -Z ], [ x, Z ]);
+ } else {
+ var y = (x2 - x1) * (y1 - y0) < (x1 - x0) * (y2 - y1) ? Z : -Z, z = Math.abs(dy) - dx;
+ if (Math.abs(z) < ε) {
+ polygon.push([ dy < 0 ? y : -y, y ]);
+ } else {
+ if (z > 0) y *= -1;
+ polygon.push([ -Z, y ], [ Z, y ]);
+ }
+ }
+ });
+ return polygons;
+ };
+ var d3_voronoi_opposite = {
+ l: "r",
+ r: "l"
+ };
+ function d3_voronoi_tessellate(vertices, callback) {
+ var Sites = {
+ list: vertices.map(function(v, i) {
+ return {
+ index: i,
+ x: v[0],
+ y: v[1]
+ };
+ }).sort(function(a, b) {
+ return a.y < b.y ? -1 : a.y > b.y ? 1 : a.x < b.x ? -1 : a.x > b.x ? 1 : 0;
+ }),
+ bottomSite: null
+ };
+ var EdgeList = {
+ list: [],
+ leftEnd: null,
+ rightEnd: null,
+ init: function() {
+ EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l");
+ EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l");
+ EdgeList.leftEnd.r = EdgeList.rightEnd;
+ EdgeList.rightEnd.l = EdgeList.leftEnd;
+ EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
+ },
+ createHalfEdge: function(edge, side) {
+ return {
+ edge: edge,
+ side: side,
+ vertex: null,
+ l: null,
+ r: null
+ };
+ },
+ insert: function(lb, he) {
+ he.l = lb;
+ he.r = lb.r;
+ lb.r.l = he;
+ lb.r = he;
+ },
+ leftBound: function(p) {
+ var he = EdgeList.leftEnd;
+ do {
+ he = he.r;
+ } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
+ he = he.l;
+ return he;
+ },
+ del: function(he) {
+ he.l.r = he.r;
+ he.r.l = he.l;
+ he.edge = null;
+ },
+ right: function(he) {
+ return he.r;
+ },
+ left: function(he) {
+ return he.l;
+ },
+ leftRegion: function(he) {
+ return he.edge == null ? Sites.bottomSite : he.edge.region[he.side];
+ },
+ rightRegion: function(he) {
+ return he.edge == null ? Sites.bottomSite : he.edge.region[d3_voronoi_opposite[he.side]];
+ }
+ };
+ var Geom = {
+ bisect: function(s1, s2) {
+ var newEdge = {
+ region: {
+ l: s1,
+ r: s2
+ },
+ ep: {
+ l: null,
+ r: null
+ }
+ };
+ var dx = s2.x - s1.x, dy = s2.y - s1.y, adx = dx > 0 ? dx : -dx, ady = dy > 0 ? dy : -dy;
+ newEdge.c = s1.x * dx + s1.y * dy + (dx * dx + dy * dy) * .5;
+ if (adx > ady) {
+ newEdge.a = 1;
+ newEdge.b = dy / dx;
+ newEdge.c /= dx;
+ } else {
+ newEdge.b = 1;
+ newEdge.a = dx / dy;
+ newEdge.c /= dy;
+ }
+ return newEdge;
+ },
+ intersect: function(el1, el2) {
+ var e1 = el1.edge, e2 = el2.edge;
+ if (!e1 || !e2 || e1.region.r == e2.region.r) {
+ return null;
+ }
+ var d = e1.a * e2.b - e1.b * e2.a;
+ if (Math.abs(d) < 1e-10) {
+ return null;
+ }
+ var xint = (e1.c * e2.b - e2.c * e1.b) / d, yint = (e2.c * e1.a - e1.c * e2.a) / d, e1r = e1.region.r, e2r = e2.region.r, el, e;
+ if (e1r.y < e2r.y || e1r.y == e2r.y && e1r.x < e2r.x) {
+ el = el1;
+ e = e1;
+ } else {
+ el = el2;
+ e = e2;
+ }
+ var rightOfSite = xint >= e.region.r.x;
+ if (rightOfSite && el.side === "l" || !rightOfSite && el.side === "r") {
+ return null;
+ }
+ return {
+ x: xint,
+ y: yint
+ };
+ },
+ rightOf: function(he, p) {
+ var e = he.edge, topsite = e.region.r, rightOfSite = p.x > topsite.x;
+ if (rightOfSite && he.side === "l") {
+ return 1;
+ }
+ if (!rightOfSite && he.side === "r") {
+ return 0;
+ }
+ if (e.a === 1) {
+ var dyp = p.y - topsite.y, dxp = p.x - topsite.x, fast = 0, above = 0;
+ if (!rightOfSite && e.b < 0 || rightOfSite && e.b >= 0) {
+ above = fast = dyp >= e.b * dxp;
+ } else {
+ above = p.x + p.y * e.b > e.c;
+ if (e.b < 0) {
+ above = !above;
+ }
+ if (!above) {
+ fast = 1;
+ }
+ }
+ if (!fast) {
+ var dxs = topsite.x - e.region.l.x;
+ above = e.b * (dxp * dxp - dyp * dyp) < dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b);
+ if (e.b < 0) {
+ above = !above;
+ }
+ }
+ } else {
+ var yl = e.c - e.a * p.x, t1 = p.y - yl, t2 = p.x - topsite.x, t3 = yl - topsite.y;
+ above = t1 * t1 > t2 * t2 + t3 * t3;
+ }
+ return he.side === "l" ? above : !above;
+ },
+ endPoint: function(edge, side, site) {
+ edge.ep[side] = site;
+ if (!edge.ep[d3_voronoi_opposite[side]]) return;
+ callback(edge);
+ },
+ distance: function(s, t) {
+ var dx = s.x - t.x, dy = s.y - t.y;
+ return Math.sqrt(dx * dx + dy * dy);
+ }
+ };
+ var EventQueue = {
+ list: [],
+ insert: function(he, site, offset) {
+ he.vertex = site;
+ he.ystar = site.y + offset;
+ for (var i = 0, list = EventQueue.list, l = list.length; i < l; i++) {
+ var next = list[i];
+ if (he.ystar > next.ystar || he.ystar == next.ystar && site.x > next.vertex.x) {
+ continue;
+ } else {
+ break;
+ }
+ }
+ list.splice(i, 0, he);
+ },
+ del: function(he) {
+ for (var i = 0, ls = EventQueue.list, l = ls.length; i < l && ls[i] != he; ++i) {}
+ ls.splice(i, 1);
+ },
+ empty: function() {
+ return EventQueue.list.length === 0;
+ },
+ nextEvent: function(he) {
+ for (var i = 0, ls = EventQueue.list, l = ls.length; i < l; ++i) {
+ if (ls[i] == he) return ls[i + 1];
+ }
+ return null;
+ },
+ min: function() {
+ var elem = EventQueue.list[0];
+ return {
+ x: elem.vertex.x,
+ y: elem.ystar
+ };
+ },
+ extractMin: function() {
+ return EventQueue.list.shift();
+ }
+ };
+ EdgeList.init();
+ Sites.bottomSite = Sites.list.shift();
+ var newSite = Sites.list.shift(), newIntStar;
+ var lbnd, rbnd, llbnd, rrbnd, bisector;
+ var bot, top, temp, p, v;
+ var e, pm;
+ while (true) {
+ if (!EventQueue.empty()) {
+ newIntStar = EventQueue.min();
+ }
+ if (newSite && (EventQueue.empty() || newSite.y < newIntStar.y || newSite.y == newIntStar.y && newSite.x < newIntStar.x)) {
+ lbnd = EdgeList.leftBound(newSite);
+ rbnd = EdgeList.right(lbnd);
+ bot = EdgeList.rightRegion(lbnd);
+ e = Geom.bisect(bot, newSite);
+ bisector = EdgeList.createHalfEdge(e, "l");
+ EdgeList.insert(lbnd, bisector);
+ p = Geom.intersect(lbnd, bisector);
+ if (p) {
+ EventQueue.del(lbnd);
+ EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
+ }
+ lbnd = bisector;
+ bisector = EdgeList.createHalfEdge(e, "r");
+ EdgeList.insert(lbnd, bisector);
+ p = Geom.intersect(bisector, rbnd);
+ if (p) {
+ EventQueue.insert(bisector, p, Geom.distance(p, newSite));
+ }
+ newSite = Sites.list.shift();
+ } else if (!EventQueue.empty()) {
+ lbnd = EventQueue.extractMin();
+ llbnd = EdgeList.left(lbnd);
+ rbnd = EdgeList.right(lbnd);
+ rrbnd = EdgeList.right(rbnd);
+ bot = EdgeList.leftRegion(lbnd);
+ top = EdgeList.rightRegion(rbnd);
+ v = lbnd.vertex;
+ Geom.endPoint(lbnd.edge, lbnd.side, v);
+ Geom.endPoint(rbnd.edge, rbnd.side, v);
+ EdgeList.del(lbnd);
+ EventQueue.del(rbnd);
+ EdgeList.del(rbnd);
+ pm = "l";
+ if (bot.y > top.y) {
+ temp = bot;
+ bot = top;
+ top = temp;
+ pm = "r";
+ }
+ e = Geom.bisect(bot, top);
+ bisector = EdgeList.createHalfEdge(e, pm);
+ EdgeList.insert(llbnd, bisector);
+ Geom.endPoint(e, d3_voronoi_opposite[pm], v);
+ p = Geom.intersect(llbnd, bisector);
+ if (p) {
+ EventQueue.del(llbnd);
+ EventQueue.insert(llbnd, p, Geom.distance(p, bot));
+ }
+ p = Geom.intersect(bisector, rrbnd);
+ if (p) {
+ EventQueue.insert(bisector, p, Geom.distance(p, bot));
+ }
+ } else {
+ break;
+ }
+ }
+ for (lbnd = EdgeList.right(EdgeList.leftEnd); lbnd != EdgeList.rightEnd; lbnd = EdgeList.right(lbnd)) {
+ callback(lbnd.edge);
+ }
+ }
+ d3.geom.delaunay = function(vertices) {
+ var edges = vertices.map(function() {
+ return [];
+ }), triangles = [];
+ d3_voronoi_tessellate(vertices, function(e) {
+ edges[e.region.l.index].push(vertices[e.region.r.index]);
+ });
+ edges.forEach(function(edge, i) {
+ var v = vertices[i], cx = v[0], cy = v[1];
+ edge.forEach(function(v) {
+ v.angle = Math.atan2(v[0] - cx, v[1] - cy);
+ });
+ edge.sort(function(a, b) {
+ return a.angle - b.angle;
+ });
+ for (var j = 0, m = edge.length - 1; j < m; j++) {
+ triangles.push([ v, edge[j], edge[j + 1] ]);
+ }
+ });
+ return triangles;
+ };
+ d3.geom.quadtree = function(points, x1, y1, x2, y2) {
+ var p, i = -1, n = points.length;
+ if (arguments.length < 5) {
+ if (arguments.length === 3) {
+ y2 = y1;
+ x2 = x1;
+ y1 = x1 = 0;
+ } else {
+ x1 = y1 = Infinity;
+ x2 = y2 = -Infinity;
+ while (++i < n) {
+ p = points[i];
+ if (p.x < x1) x1 = p.x;
+ if (p.y < y1) y1 = p.y;
+ if (p.x > x2) x2 = p.x;
+ if (p.y > y2) y2 = p.y;
+ }
+ }
+ }
+ var dx = x2 - x1, dy = y2 - y1;
+ if (dx > dy) y2 = y1 + dx; else x2 = x1 + dy;
+ function insert(n, p, x1, y1, x2, y2) {
+ if (isNaN(p.x) || isNaN(p.y)) return;
+ if (n.leaf) {
+ var v = n.point;
+ if (v) {
+ if (Math.abs(v.x - p.x) + Math.abs(v.y - p.y) < .01) {
+ insertChild(n, p, x1, y1, x2, y2);
+ } else {
+ n.point = null;
+ insertChild(n, v, x1, y1, x2, y2);
+ insertChild(n, p, x1, y1, x2, y2);
+ }
+ } else {
+ n.point = p;
+ }
+ } else {
+ insertChild(n, p, x1, y1, x2, y2);
+ }
+ }
+ function insertChild(n, p, x1, y1, x2, y2) {
+ var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, right = p.x >= sx, bottom = p.y >= sy, i = (bottom << 1) + right;
+ n.leaf = false;
+ n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
+ if (right) x1 = sx; else x2 = sx;
+ if (bottom) y1 = sy; else y2 = sy;
+ insert(n, p, x1, y1, x2, y2);
+ }
+ var root = d3_geom_quadtreeNode();
+ root.add = function(p) {
+ insert(root, p, x1, y1, x2, y2);
+ };
+ root.visit = function(f) {
+ d3_geom_quadtreeVisit(f, root, x1, y1, x2, y2);
+ };
+ points.forEach(root.add);
+ return root;
+ };
+ function d3_geom_quadtreeNode() {
+ return {
+ leaf: true,
+ nodes: [],
+ point: null
+ };
+ }
+ function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
+ if (!f(node, x1, y1, x2, y2)) {
+ var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
+ if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
+ if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
+ if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
+ if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
+ }
+ }
+ d3.time = {};
+ var d3_time = Date, d3_time_daySymbols = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
+ function d3_time_utc() {
+ this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
+ }
+ d3_time_utc.prototype = {
+ getDate: function() {
+ return this._.getUTCDate();
+ },
+ getDay: function() {
+ return this._.getUTCDay();
+ },
+ getFullYear: function() {
+ return this._.getUTCFullYear();
+ },
+ getHours: function() {
+ return this._.getUTCHours();
+ },
+ getMilliseconds: function() {
+ return this._.getUTCMilliseconds();
+ },
+ getMinutes: function() {
+ return this._.getUTCMinutes();
+ },
+ getMonth: function() {
+ return this._.getUTCMonth();
+ },
+ getSeconds: function() {
+ return this._.getUTCSeconds();
+ },
+ getTime: function() {
+ return this._.getTime();
+ },
+ getTimezoneOffset: function() {
+ return 0;
+ },
+ valueOf: function() {
+ return this._.valueOf();
+ },
+ setDate: function() {
+ d3_time_prototype.setUTCDate.apply(this._, arguments);
+ },
+ setDay: function() {
+ d3_time_prototype.setUTCDay.apply(this._, arguments);
+ },
+ setFullYear: function() {
+ d3_time_prototype.setUTCFullYear.apply(this._, arguments);
+ },
+ setHours: function() {
+ d3_time_prototype.setUTCHours.apply(this._, arguments);
+ },
+ setMilliseconds: function() {
+ d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
+ },
+ setMinutes: function() {
+ d3_time_prototype.setUTCMinutes.apply(this._, arguments);
+ },
+ setMonth: function() {
+ d3_time_prototype.setUTCMonth.apply(this._, arguments);
+ },
+ setSeconds: function() {
+ d3_time_prototype.setUTCSeconds.apply(this._, arguments);
+ },
+ setTime: function() {
+ d3_time_prototype.setTime.apply(this._, arguments);
+ }
+ };
+ var d3_time_prototype = Date.prototype;
+ var d3_time_formatDateTime = "%a %b %e %X %Y", d3_time_formatDate = "%m/%d/%Y", d3_time_formatTime = "%H:%M:%S";
+ var d3_time_days = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], d3_time_dayAbbreviations = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], d3_time_months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], d3_time_monthAbbreviations = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
+ d3.time.format = function(template) {
+ var n = template.length;
+ function format(date) {
+ var string = [], i = -1, j = 0, c, p, f;
+ while (++i < n) {
+ if (template.charCodeAt(i) === 37) {
+ string.push(template.substring(j, i));
+ if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
+ if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
+ string.push(c);
+ j = i + 1;
+ }
+ }
+ string.push(template.substring(j, i));
+ return string.join("");
+ }
+ format.parse = function(string) {
+ var d = {
+ y: 1900,
+ m: 0,
+ d: 1,
+ H: 0,
+ M: 0,
+ S: 0,
+ L: 0
+ }, i = d3_time_parse(d, template, string, 0);
+ if (i != string.length) return null;
+ if ("p" in d) d.H = d.H % 12 + d.p * 12;
+ var date = new d3_time();
+ date.setFullYear(d.y, d.m, d.d);
+ date.setHours(d.H, d.M, d.S, d.L);
+ return date;
+ };
+ format.toString = function() {
+ return template;
+ };
+ return format;
+ };
+ function d3_time_parse(date, template, string, j) {
+ var c, p, i = 0, n = template.length, m = string.length;
+ while (i < n) {
+ if (j >= m) return -1;
+ c = template.charCodeAt(i++);
+ if (c === 37) {
+ p = d3_time_parsers[template.charAt(i++)];
+ if (!p || (j = p(date, string, j)) < 0) return -1;
+ } else if (c != string.charCodeAt(j++)) {
+ return -1;
+ }
+ }
+ return j;
+ }
+ function d3_time_formatRe(names) {
+ return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
+ }
+ function d3_time_formatLookup(names) {
+ var map = new d3_Map(), i = -1, n = names.length;
+ while (++i < n) map.set(names[i].toLowerCase(), i);
+ return map;
+ }
+ function d3_time_formatPad(value, fill, width) {
+ value += "";
+ var length = value.length;
+ return length < width ? new Array(width - length + 1).join(fill) + value : value;
+ }
+ var d3_time_dayRe = d3_time_formatRe(d3_time_days), d3_time_dayAbbrevRe = d3_time_formatRe(d3_time_dayAbbreviations), d3_time_monthRe = d3_time_formatRe(d3_time_months), d3_time_monthLookup = d3_time_formatLookup(d3_time_months), d3_time_monthAbbrevRe = d3_time_formatRe(d3_time_monthAbbreviations), d3_time_monthAbbrevLookup = d3_time_formatLookup(d3_time_monthAbbreviations);
+ var d3_time_formatPads = {
+ "-": "",
+ _: " ",
+ "0": "0"
+ };
+ var d3_time_formats = {
+ a: function(d) {
+ return d3_time_dayAbbreviations[d.getDay()];
+ },
+ A: function(d) {
+ return d3_time_days[d.getDay()];
+ },
+ b: function(d) {
+ return d3_time_monthAbbreviations[d.getMonth()];
+ },
+ B: function(d) {
+ return d3_time_months[d.getMonth()];
+ },
+ c: d3.time.format(d3_time_formatDateTime),
+ d: function(d, p) {
+ return d3_time_formatPad(d.getDate(), p, 2);
+ },
+ e: function(d, p) {
+ return d3_time_formatPad(d.getDate(), p, 2);
+ },
+ H: function(d, p) {
+ return d3_time_formatPad(d.getHours(), p, 2);
+ },
+ I: function(d, p) {
+ return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
+ },
+ j: function(d, p) {
+ return d3_time_formatPad(1 + d3.time.dayOfYear(d), p, 3);
+ },
+ L: function(d, p) {
+ return d3_time_formatPad(d.getMilliseconds(), p, 3);
+ },
+ m: function(d, p) {
+ return d3_time_formatPad(d.getMonth() + 1, p, 2);
+ },
+ M: function(d, p) {
+ return d3_time_formatPad(d.getMinutes(), p, 2);
+ },
+ p: function(d) {
+ return d.getHours() >= 12 ? "PM" : "AM";
+ },
+ S: function(d, p) {
+ return d3_time_formatPad(d.getSeconds(), p, 2);
+ },
+ U: function(d, p) {
+ return d3_time_formatPad(d3.time.sundayOfYear(d), p, 2);
+ },
+ w: function(d) {
+ return d.getDay();
+ },
+ W: function(d, p) {
+ return d3_time_formatPad(d3.time.mondayOfYear(d), p, 2);
+ },
+ x: d3.time.format(d3_time_formatDate),
+ X: d3.time.format(d3_time_formatTime),
+ y: function(d, p) {
+ return d3_time_formatPad(d.getFullYear() % 100, p, 2);
+ },
+ Y: function(d, p) {
+ return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
+ },
+ Z: d3_time_zone,
+ "%": function() {
+ return "%";
+ }
+ };
+ var d3_time_parsers = {
+ a: d3_time_parseWeekdayAbbrev,
+ A: d3_time_parseWeekday,
+ b: d3_time_parseMonthAbbrev,
+ B: d3_time_parseMonth,
+ c: d3_time_parseLocaleFull,
+ d: d3_time_parseDay,
+ e: d3_time_parseDay,
+ H: d3_time_parseHour24,
+ I: d3_time_parseHour24,
+ L: d3_time_parseMilliseconds,
+ m: d3_time_parseMonthNumber,
+ M: d3_time_parseMinutes,
+ p: d3_time_parseAmPm,
+ S: d3_time_parseSeconds,
+ x: d3_time_parseLocaleDate,
+ X: d3_time_parseLocaleTime,
+ y: d3_time_parseYear,
+ Y: d3_time_parseFullYear
+ };
+ function d3_time_parseWeekdayAbbrev(date, string, i) {
+ d3_time_dayAbbrevRe.lastIndex = 0;
+ var n = d3_time_dayAbbrevRe.exec(string.substring(i));
+ return n ? i += n[0].length : -1;
+ }
+ function d3_time_parseWeekday(date, string, i) {
+ d3_time_dayRe.lastIndex = 0;
+ var n = d3_time_dayRe.exec(string.substring(i));
+ return n ? i += n[0].length : -1;
+ }
+ function d3_time_parseMonthAbbrev(date, string, i) {
+ d3_time_monthAbbrevRe.lastIndex = 0;
+ var n = d3_time_monthAbbrevRe.exec(string.substring(i));
+ return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
+ }
+ function d3_time_parseMonth(date, string, i) {
+ d3_time_monthRe.lastIndex = 0;
+ var n = d3_time_monthRe.exec(string.substring(i));
+ return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
+ }
+ function d3_time_parseLocaleFull(date, string, i) {
+ return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
+ }
+ function d3_time_parseLocaleDate(date, string, i) {
+ return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
+ }
+ function d3_time_parseLocaleTime(date, string, i) {
+ return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
+ }
+ function d3_time_parseFullYear(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.substring(i, i + 4));
+ return n ? (date.y = +n[0], i += n[0].length) : -1;
+ }
+ function d3_time_parseYear(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+ return n ? (date.y = d3_time_expandYear(+n[0]), i += n[0].length) : -1;
+ }
+ function d3_time_expandYear(d) {
+ return d + (d > 68 ? 1900 : 2e3);
+ }
+ function d3_time_parseMonthNumber(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+ return n ? (date.m = n[0] - 1, i += n[0].length) : -1;
+ }
+ function d3_time_parseDay(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+ return n ? (date.d = +n[0], i += n[0].length) : -1;
+ }
+ function d3_time_parseHour24(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+ return n ? (date.H = +n[0], i += n[0].length) : -1;
+ }
+ function d3_time_parseMinutes(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+ return n ? (date.M = +n[0], i += n[0].length) : -1;
+ }
+ function d3_time_parseSeconds(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.substring(i, i + 2));
+ return n ? (date.S = +n[0], i += n[0].length) : -1;
+ }
+ function d3_time_parseMilliseconds(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.substring(i, i + 3));
+ return n ? (date.L = +n[0], i += n[0].length) : -1;
+ }
+ var d3_time_numberRe = /^\s*\d+/;
+ function d3_time_parseAmPm(date, string, i) {
+ var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
+ return n == null ? -1 : (date.p = n, i);
+ }
+ var d3_time_amPmLookup = d3.map({
+ am: 0,
+ pm: 1
+ });
+ function d3_time_zone(d) {
+ var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = ~~(Math.abs(z) / 60), zm = Math.abs(z) % 60;
+ return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
+ }
+ d3.time.format.utc = function(template) {
+ var local = d3.time.format(template);
+ function format(date) {
+ try {
+ d3_time = d3_time_utc;
+ var utc = new d3_time();
+ utc._ = date;
+ return local(utc);
+ } finally {
+ d3_time = Date;
+ }
+ }
+ format.parse = function(string) {
+ try {
+ d3_time = d3_time_utc;
+ var date = local.parse(string);
+ return date && date._;
+ } finally {
+ d3_time = Date;
+ }
+ };
+ format.toString = local.toString;
+ return format;
+ };
+ var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");
+ d3.time.format.iso = Date.prototype.toISOString ? d3_time_formatIsoNative : d3_time_formatIso;
+ function d3_time_formatIsoNative(date) {
+ return date.toISOString();
+ }
+ d3_time_formatIsoNative.parse = function(string) {
+ var date = new Date(string);
+ return isNaN(date) ? null : date;
+ };
+ d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
+ function d3_time_interval(local, step, number) {
+ function round(date) {
+ var d0 = local(date), d1 = offset(d0, 1);
+ return date - d0 < d1 - date ? d0 : d1;
+ }
+ function ceil(date) {
+ step(date = local(new d3_time(date - 1)), 1);
+ return date;
+ }
+ function offset(date, k) {
+ step(date = new d3_time(+date), k);
+ return date;
+ }
+ function range(t0, t1, dt) {
+ var time = ceil(t0), times = [];
+ if (dt > 1) {
+ while (time < t1) {
+ if (!(number(time) % dt)) times.push(new Date(+time));
+ step(time, 1);
+ }
+ } else {
+ while (time < t1) times.push(new Date(+time)), step(time, 1);
+ }
+ return times;
+ }
+ function range_utc(t0, t1, dt) {
+ try {
+ d3_time = d3_time_utc;
+ var utc = new d3_time_utc();
+ utc._ = t0;
+ return range(utc, t1, dt);
+ } finally {
+ d3_time = Date;
+ }
+ }
+ local.floor = local;
+ local.round = round;
+ local.ceil = ceil;
+ local.offset = offset;
+ local.range = range;
+ var utc = local.utc = d3_time_interval_utc(local);
+ utc.floor = utc;
+ utc.round = d3_time_interval_utc(round);
+ utc.ceil = d3_time_interval_utc(ceil);
+ utc.offset = d3_time_interval_utc(offset);
+ utc.range = range_utc;
+ return local;
+ }
+ function d3_time_interval_utc(method) {
+ return function(date, k) {
+ try {
+ d3_time = d3_time_utc;
+ var utc = new d3_time_utc();
+ utc._ = date;
+ return method(utc, k)._;
+ } finally {
+ d3_time = Date;
+ }
+ };
+ }
+ d3.time.second = d3_time_interval(function(date) {
+ return new d3_time(Math.floor(date / 1e3) * 1e3);
+ }, function(date, offset) {
+ date.setTime(date.getTime() + Math.floor(offset) * 1e3);
+ }, function(date) {
+ return date.getSeconds();
+ });
+ d3.time.seconds = d3.time.second.range;
+ d3.time.seconds.utc = d3.time.second.utc.range;
+ d3.time.minute = d3_time_interval(function(date) {
+ return new d3_time(Math.floor(date / 6e4) * 6e4);
+ }, function(date, offset) {
+ date.setTime(date.getTime() + Math.floor(offset) * 6e4);
+ }, function(date) {
+ return date.getMinutes();
+ });
+ d3.time.minutes = d3.time.minute.range;
+ d3.time.minutes.utc = d3.time.minute.utc.range;
+ d3.time.hour = d3_time_interval(function(date) {
+ var timezone = date.getTimezoneOffset() / 60;
+ return new d3_time((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
+ }, function(date, offset) {
+ date.setTime(date.getTime() + Math.floor(offset) * 36e5);
+ }, function(date) {
+ return date.getHours();
+ });
+ d3.time.hours = d3.time.hour.range;
+ d3.time.hours.utc = d3.time.hour.utc.range;
+ d3.time.day = d3_time_interval(function(date) {
+ var day = new d3_time(1970, 0);
+ day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
+ return day;
+ }, function(date, offset) {
+ date.setDate(date.getDate() + offset);
+ }, function(date) {
+ return date.getDate() - 1;
+ });
+ d3.time.days = d3.time.day.range;
+ d3.time.days.utc = d3.time.day.utc.range;
+ d3.time.dayOfYear = function(date) {
+ var year = d3.time.year(date);
+ return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
+ };
+ d3_time_daySymbols.forEach(function(day, i) {
+ day = day.toLowerCase();
+ i = 7 - i;
+ var interval = d3.time[day] = d3_time_interval(function(date) {
+ (date = d3.time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
+ return date;
+ }, function(date, offset) {
+ date.setDate(date.getDate() + Math.floor(offset) * 7);
+ }, function(date) {
+ var day = d3.time.year(date).getDay();
+ return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
+ });
+ d3.time[day + "s"] = interval.range;
+ d3.time[day + "s"].utc = interval.utc.range;
+ d3.time[day + "OfYear"] = function(date) {
+ var day = d3.time.year(date).getDay();
+ return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7);
+ };
+ });
+ d3.time.week = d3.time.sunday;
+ d3.time.weeks = d3.time.sunday.range;
+ d3.time.weeks.utc = d3.time.sunday.utc.range;
+ d3.time.weekOfYear = d3.time.sundayOfYear;
+ d3.time.month = d3_time_interval(function(date) {
+ date = d3.time.day(date);
+ date.setDate(1);
+ return date;
+ }, function(date, offset) {
+ date.setMonth(date.getMonth() + offset);
+ }, function(date) {
+ return date.getMonth();
+ });
+ d3.time.months = d3.time.month.range;
+ d3.time.months.utc = d3.time.month.utc.range;
+ d3.time.year = d3_time_interval(function(date) {
+ date = d3.time.day(date);
+ date.setMonth(0, 1);
+ return date;
+ }, function(date, offset) {
+ date.setFullYear(date.getFullYear() + offset);
+ }, function(date) {
+ return date.getFullYear();
+ });
+ d3.time.years = d3.time.year.range;
+ d3.time.years.utc = d3.time.year.utc.range;
+ function d3_time_scale(linear, methods, format) {
+ function scale(x) {
+ return linear(x);
+ }
+ scale.invert = function(x) {
+ return d3_time_scaleDate(linear.invert(x));
+ };
+ scale.domain = function(x) {
+ if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
+ linear.domain(x);
+ return scale;
+ };
+ scale.nice = function(m) {
+ return scale.domain(d3_scale_nice(scale.domain(), function() {
+ return m;
+ }));
+ };
+ scale.ticks = function(m, k) {
+ var extent = d3_time_scaleExtent(scale.domain());
+ if (typeof m !== "function") {
+ var span = extent[1] - extent[0], target = span / m, i = d3.bisect(d3_time_scaleSteps, target);
+ if (i == d3_time_scaleSteps.length) return methods.year(extent, m);
+ if (!i) return linear.ticks(m).map(d3_time_scaleDate);
+ if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i;
+ m = methods[i];
+ k = m[1];
+ m = m[0].range;
+ }
+ return m(extent[0], new Date(+extent[1] + 1), k);
+ };
+ scale.tickFormat = function() {
+ return format;
+ };
+ scale.copy = function() {
+ return d3_time_scale(linear.copy(), methods, format);
+ };
+ return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+ }
+ function d3_time_scaleExtent(domain) {
+ var start = domain[0], stop = domain[domain.length - 1];
+ return start < stop ? [ start, stop ] : [ stop, start ];
+ }
+ function d3_time_scaleDate(t) {
+ return new Date(t);
+ }
+ function d3_time_scaleFormat(formats) {
+ return function(date) {
+ var i = formats.length - 1, f = formats[i];
+ while (!f[1](date)) f = formats[--i];
+ return f[0](date);
+ };
+ }
+ function d3_time_scaleSetYear(y) {
+ var d = new Date(y, 0, 1);
+ d.setFullYear(y);
+ return d;
+ }
+ function d3_time_scaleGetYear(d) {
+ var y = d.getFullYear(), d0 = d3_time_scaleSetYear(y), d1 = d3_time_scaleSetYear(y + 1);
+ return y + (d - d0) / (d1 - d0);
+ }
+ var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
+ var d3_time_scaleLocalMethods = [ [ d3.time.second, 1 ], [ d3.time.second, 5 ], [ d3.time.second, 15 ], [ d3.time.second, 30 ], [ d3.time.minute, 1 ], [ d3.time.minute, 5 ], [ d3.time.minute, 15 ], [ d3.time.minute, 30 ], [ d3.time.hour, 1 ], [ d3.time.hour, 3 ], [ d3.time.hour, 6 ], [ d3.time.hour, 12 ], [ d3.time.day, 1 ], [ d3.time.day, 2 ], [ d3.time.week, 1 ], [ d3.time.month, 1 ], [ d3.time.month, 3 ], [ d3.time.year, 1 ] ];
+ var d3_time_scaleLocalFormats = [ [ d3.time.format("%Y"), d3_true ], [ d3.time.format("%B"), function(d) {
+ return d.getMonth();
+ } ], [ d3.time.format("%b %d"), function(d) {
+ return d.getDate() != 1;
+ } ], [ d3.time.format("%a %d"), function(d) {
+ return d.getDay() && d.getDate() != 1;
+ } ], [ d3.time.format("%I %p"), function(d) {
+ return d.getHours();
+ } ], [ d3.time.format("%I:%M"), function(d) {
+ return d.getMinutes();
+ } ], [ d3.time.format(":%S"), function(d) {
+ return d.getSeconds();
+ } ], [ d3.time.format(".%L"), function(d) {
+ return d.getMilliseconds();
+ } ] ];
+ var d3_time_scaleLinear = d3.scale.linear(), d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
+ d3_time_scaleLocalMethods.year = function(extent, m) {
+ return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear);
+ };
+ d3.time.scale = function() {
+ return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
+ };
+ var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) {
+ return [ m[0].utc, m[1] ];
+ });
+ var d3_time_scaleUTCFormats = [ [ d3.time.format.utc("%Y"), d3_true ], [ d3.time.format.utc("%B"), function(d) {
+ return d.getUTCMonth();
+ } ], [ d3.time.format.utc("%b %d"), function(d) {
+ return d.getUTCDate() != 1;
+ } ], [ d3.time.format.utc("%a %d"), function(d) {
+ return d.getUTCDay() && d.getUTCDate() != 1;
+ } ], [ d3.time.format.utc("%I %p"), function(d) {
+ return d.getUTCHours();
+ } ], [ d3.time.format.utc("%I:%M"), function(d) {
+ return d.getUTCMinutes();
+ } ], [ d3.time.format.utc(":%S"), function(d) {
+ return d.getUTCSeconds();
+ } ], [ d3.time.format.utc(".%L"), function(d) {
+ return d.getUTCMilliseconds();
+ } ] ];
+ var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
+ function d3_time_scaleUTCSetYear(y) {
+ var d = new Date(Date.UTC(y, 0, 1));
+ d.setUTCFullYear(y);
+ return d;
+ }
+ function d3_time_scaleUTCGetYear(d) {
+ var y = d.getUTCFullYear(), d0 = d3_time_scaleUTCSetYear(y), d1 = d3_time_scaleUTCSetYear(y + 1);
+ return y + (d - d0) / (d1 - d0);
+ }
+ d3_time_scaleUTCMethods.year = function(extent, m) {
+ return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear);
+ };
+ d3.time.scale.utc = function() {
+ return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
+ };
+})(); \ No newline at end of file
diff --git a/visualize/static/d3-3.0.0.min.js b/visualize/static/d3-3.0.0.min.js
new file mode 100644
index 00000000..a4a90704
--- /dev/null
+++ b/visualize/static/d3-3.0.0.min.js
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o=.5*(e+u),c=.5*(r+a),l=n.x>=o,s=n.y>=c,f=(s<<1)+l;t.leaf=!1,t=t.nodes[f]||(t.nodes[f]=Ju()),l?e=o:u=o,s?r=c:a=c,i(t,n,e,r,u,a)}var o,c=-1,l=t.length;if(5>arguments.length)if(3===arguments.length)u=e,r=n,e=n=0;else for(n=e=1/0,r=u=-1/0;l>++c;)o=t[c],n>o.x&&(n=o.x),e>o.y&&(e=o.y),o.x>r&&(r=o.x),o.y>u&&(u=o.y);var s=r-n,f=u-e;s>f?u=e+s:r=n+f;var h=Ju();return h.add=function(t){i(h,t,n,e,r,u)},h.visit=function(t){Gu(t,h,n,e,r,u)},t.forEach(h.add),h},d3.time={};var wo=Date,So=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];Ku.prototype={getDate:function(){return this._.getUTCDate()},getDay:function(){return this._.getUTCDay()},getFullYear:function(){return this._.getUTCFullYear()},getHours:function(){return this._.getUTCHours()},getMilliseconds:function(){return this._.getUTCMilliseconds()},getMinutes:function(){return this._.getUTCMinutes()},getMonth:function(){return this._.getUTCMonth()},getSeconds:function(){return this._.getUTCSeconds()},getTime:function(){return this._.getTime()},getTimezoneOffset:function(){return 0},valueOf:function(){return this._.valueOf()},setDate:function(){ko.setUTCDate.apply(this._,arguments)},setDay:function(){ko.setUTCDay.apply(this._,arguments)},setFullYear:function(){ko.setUTCFullYear.apply(this._,arguments)},setHours:function(){ko.setUTCHours.apply(this._,arguments)},setMilliseconds:function(){ko.setUTCMilliseconds.apply(this._,arguments)},setMinutes:function(){ko.setUTCMinutes.apply(this._,arguments)},setMonth:function(){ko.setUTCMonth.apply(this._,arguments)},setSeconds:function(){ko.setUTCSeconds.apply(this._,arguments)},setTime:function(){ko.setTime.apply(this._,arguments)}};var ko=Date.prototype,Eo="%a %b %e %X %Y",Ao="%m/%d/%Y",No="%H:%M:%S",To=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],qo=["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],Co=["January","February","March","April","May","June","July","August","September","October","November","December"],zo=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];d3.time.format=function(t){function n(n){for(var r,u,i,a=[],o=-1,c=0;e>++o;)37===t.charCodeAt(o)&&(a.push(t.substring(c,o)),null!=(u=jo[r=t.charAt(++o)])&&(r=t.charAt(++o)),(i=Oo[r])&&(r=i(n,null==u?"e"===r?" ":"0":u)),a.push(r),c=o+1);return a.push(t.substring(c,o)),a.join("")}var e=t.length;return n.parse=function(n){var e={y:1900,m:0,d:1,H:0,M:0,S:0,L:0},r=Wu(e,t,n,0);if(r!=n.length)return null;"p"in e&&(e.H=e.H%12+12*e.p);var u=new wo;return u.setFullYear(e.y,e.m,e.d),u.setHours(e.H,e.M,e.S,e.L),u},n.toString=function(){return t},n};var Do=Qu(To),Lo=Qu(qo),Fo=Qu(Co),Ho=ti(Co),Ro=Qu(zo),Po=ti(zo),jo={"-":"",_:" ",0:"0"},Oo={a:function(t){return qo[t.getDay()]},A:function(t){return To[t.getDay()]},b:function(t){return zo[t.getMonth()]},B:function(t){return Co[t.getMonth()]},c:d3.time.format(Eo),d:function(t,n){return ni(t.getDate(),n,2)},e:function(t,n){return ni(t.getDate(),n,2)},H:function(t,n){return ni(t.getHours(),n,2)},I:function(t,n){return ni(t.getHours()%12||12,n,2)},j:function(t,n){return ni(1+d3.time.dayOfYear(t),n,3)},L:function(t,n){return ni(t.getMilliseconds(),n,3)},m:function(t,n){return ni(t.getMonth()+1,n,2)},M:function(t,n){return ni(t.getMinutes(),n,2)},p:function(t){return t.getHours()>=12?"PM":"AM"},S:function(t,n){return ni(t.getSeconds(),n,2)},U:function(t,n){return ni(d3.time.sundayOfYear(t),n,2)},w:function(t){return t.getDay()},W:function(t,n){return ni(d3.time.mondayOfYear(t),n,2)},x:d3.time.format(Ao),X:d3.time.format(No),y:function(t,n){return ni(t.getFullYear()%100,n,2)},Y:function(t,n){return ni(t.getFullYear()%1e4,n,4)},Z:Mi,"%":function(){return"%"}},Yo={a:ei,A:ri,b:ui,B:ii,c:ai,d:di,e:di,H:gi,I:gi,L:vi,m:hi,M:pi,p:yi,S:mi,x:oi,X:ci,y:si,Y:li},Uo=/^\s*\d+/,Io=d3.map({am:0,pm:1});d3.time.format.utc=function(t){function n(t){try{wo=Ku;var n=new wo;return n._=t,e(n)}finally{wo=Date}}var e=d3.time.format(t);return n.parse=function(t){try{wo=Ku;var n=e.parse(t);return n&&n._}finally{wo=Date}},n.toString=e.toString,n};var Vo=d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");d3.time.format.iso=Date.prototype.toISOString?bi:Vo,bi.parse=function(t){var n=new Date(t);return isNaN(n)?null:n},bi.toString=Vo.toString,d3.time.second=xi(function(t){return new wo(1e3*Math.floor(t/1e3))},function(t,n){t.setTime(t.getTime()+1e3*Math.floor(n))},function(t){return t.getSeconds()}),d3.time.seconds=d3.time.second.range,d3.time.seconds.utc=d3.time.second.utc.range,d3.time.minute=xi(function(t){return new wo(6e4*Math.floor(t/6e4))},function(t,n){t.setTime(t.getTime()+6e4*Math.floor(n))},function(t){return t.getMinutes()}),d3.time.minutes=d3.time.minute.range,d3.time.minutes.utc=d3.time.minute.utc.range,d3.time.hour=xi(function(t){var n=t.getTimezoneOffset()/60;return new wo(36e5*(Math.floor(t/36e5-n)+n))},function(t,n){t.setTime(t.getTime()+36e5*Math.floor(n))},function(t){return t.getHours()}),d3.time.hours=d3.time.hour.range,d3.time.hours.utc=d3.time.hour.utc.range,d3.time.day=xi(function(t){var n=new wo(1970,0);return n.setFullYear(t.getFullYear(),t.getMonth(),t.getDate()),n},function(t,n){t.setDate(t.getDate()+n)},function(t){return 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t.getMonth()}),d3.time.months=d3.time.month.range,d3.time.months.utc=d3.time.month.utc.range,d3.time.year=xi(function(t){return t=d3.time.day(t),t.setMonth(0,1),t},function(t,n){t.setFullYear(t.getFullYear()+n)},function(t){return t.getFullYear()}),d3.time.years=d3.time.year.range,d3.time.years.utc=d3.time.year.utc.range;var Xo=[1e3,5e3,15e3,3e4,6e4,3e5,9e5,18e5,36e5,108e5,216e5,432e5,864e5,1728e5,6048e5,2592e6,7776e6,31536e6],Zo=[[d3.time.second,1],[d3.time.second,5],[d3.time.second,15],[d3.time.second,30],[d3.time.minute,1],[d3.time.minute,5],[d3.time.minute,15],[d3.time.minute,30],[d3.time.hour,1],[d3.time.hour,3],[d3.time.hour,6],[d3.time.hour,12],[d3.time.day,1],[d3.time.day,2],[d3.time.week,1],[d3.time.month,1],[d3.time.month,3],[d3.time.year,1]],Bo=[[d3.time.format("%Y"),o],[d3.time.format("%B"),function(t){return t.getMonth()}],[d3.time.format("%b %d"),function(t){return 1!=t.getDate()}],[d3.time.format("%a %d"),function(t){return t.getDay()&&1!=t.getDate()}],[d3.time.format("%I %p"),function(t){return t.getHours()}],[d3.time.format("%I:%M"),function(t){return t.getMinutes()}],[d3.time.format(":%S"),function(t){return t.getSeconds()}],[d3.time.format(".%L"),function(t){return t.getMilliseconds()}]],$o=d3.scale.linear(),Jo=Ei(Bo);Zo.year=function(t,n){return $o.domain(t.map(Ni)).ticks(n).map(Ai)},d3.time.scale=function(){return wi(d3.scale.linear(),Zo,Jo)};var Go=Zo.map(function(t){return[t[0].utc,t[1]]}),Ko=[[d3.time.format.utc("%Y"),o],[d3.time.format.utc("%B"),function(t){return t.getUTCMonth()}],[d3.time.format.utc("%b %d"),function(t){return 1!=t.getUTCDate()}],[d3.time.format.utc("%a %d"),function(t){return t.getUTCDay()&&1!=t.getUTCDate()}],[d3.time.format.utc("%I %p"),function(t){return t.getUTCHours()}],[d3.time.format.utc("%I:%M"),function(t){return t.getUTCMinutes()}],[d3.time.format.utc(":%S"),function(t){return t.getUTCSeconds()}],[d3.time.format.utc(".%L"),function(t){return t.getUTCMilliseconds()}]],Wo=Ei(Ko);Go.year=function(t,n){return $o.domain(t.map(qi)).ticks(n).map(Ti)},d3.time.scale.utc=function(){return wi(d3.scale.linear(),Go,Wo)}})(); \ No newline at end of file
diff --git a/visualize/static/d3.v2.js b/visualize/static/d3.v2.js
deleted file mode 100644
index 6dffa7dd..00000000
--- a/visualize/static/d3.v2.js
+++ /dev/null
@@ -1,9406 +0,0 @@
-(function(){if (!Date.now) Date.now = function() {
- return +new Date;
-};
-try {
- document.createElement("div").style.setProperty("opacity", 0, "");
-} catch (error) {
- var d3_style_prototype = CSSStyleDeclaration.prototype,
- d3_style_setProperty = d3_style_prototype.setProperty;
- d3_style_prototype.setProperty = function(name, value, priority) {
- d3_style_setProperty.call(this, name, value + "", priority);
- };
-}
-d3 = {version: "2.9.6"}; // semver
-function d3_class(ctor, properties) {
- try {
- for (var key in properties) {
- Object.defineProperty(ctor.prototype, key, {
- value: properties[key],
- enumerable: false
- });
- }
- } catch (e) {
- ctor.prototype = properties;
- }
-}
-var d3_array = d3_arraySlice; // conversion for NodeLists
-
-function d3_arrayCopy(pseudoarray) {
- var i = -1, n = pseudoarray.length, array = [];
- while (++i < n) array.push(pseudoarray[i]);
- return array;
-}
-
-function d3_arraySlice(pseudoarray) {
- return Array.prototype.slice.call(pseudoarray);
-}
-
-try {
- d3_array(document.documentElement.childNodes)[0].nodeType;
-} catch(e) {
- d3_array = d3_arrayCopy;
-}
-
-var d3_arraySubclass = [].__proto__?
-
-// Until ECMAScript supports array subclassing, prototype injection works well.
-function(array, prototype) {
- array.__proto__ = prototype;
-}:
-
-// And if your browser doesn't support __proto__, we'll use direct extension.
-function(array, prototype) {
- for (var property in prototype) array[property] = prototype[property];
-};
-d3.map = function(object) {
- var map = new d3_Map;
- for (var key in object) map.set(key, object[key]);
- return map;
-};
-
-function d3_Map() {}
-
-d3_class(d3_Map, {
- has: function(key) {
- return d3_map_prefix + key in this;
- },
- get: function(key) {
- return this[d3_map_prefix + key];
- },
- set: function(key, value) {
- return this[d3_map_prefix + key] = value;
- },
- remove: function(key) {
- key = d3_map_prefix + key;
- return key in this && delete this[key];
- },
- keys: function() {
- var keys = [];
- this.forEach(function(key) { keys.push(key); });
- return keys;
- },
- values: function() {
- var values = [];
- this.forEach(function(key, value) { values.push(value); });
- return values;
- },
- entries: function() {
- var entries = [];
- this.forEach(function(key, value) { entries.push({key: key, value: value}); });
- return entries;
- },
- forEach: function(f) {
- for (var key in this) {
- if (key.charCodeAt(0) === d3_map_prefixCode) {
- f.call(this, key.substring(1), this[key]);
- }
- }
- }
-});
-
-var d3_map_prefix = "\0", // prevent collision with built-ins
- d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
-function d3_identity(d) {
- return d;
-}
-function d3_this() {
- return this;
-}
-function d3_true() {
- return true;
-}
-function d3_functor(v) {
- return typeof v === "function" ? v : function() { return v; };
-}
-
-d3.functor = d3_functor;
-// Copies a variable number of methods from source to target.
-d3.rebind = function(target, source) {
- var i = 1, n = arguments.length, method;
- while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
- return target;
-};
-
-// Method is assumed to be a standard D3 getter-setter:
-// If passed with no arguments, gets the value.
-// If passed with arguments, sets the value and returns the target.
-function d3_rebind(target, source, method) {
- return function() {
- var value = method.apply(source, arguments);
- return arguments.length ? target : value;
- };
-}
-d3.ascending = function(a, b) {
- return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
-};
-d3.descending = function(a, b) {
- return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
-};
-d3.mean = function(array, f) {
- var n = array.length,
- a,
- m = 0,
- i = -1,
- j = 0;
- if (arguments.length === 1) {
- while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
- } else {
- while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
- }
- return j ? m : undefined;
-};
-d3.median = function(array, f) {
- if (arguments.length > 1) array = array.map(f);
- array = array.filter(d3_number);
- return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined;
-};
-d3.min = function(array, f) {
- var i = -1,
- n = array.length,
- a,
- b;
- if (arguments.length === 1) {
- while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
- while (++i < n) if ((b = array[i]) != null && a > b) a = b;
- } else {
- while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
- while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
- }
- return a;
-};
-d3.max = function(array, f) {
- var i = -1,
- n = array.length,
- a,
- b;
- if (arguments.length === 1) {
- while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
- while (++i < n) if ((b = array[i]) != null && b > a) a = b;
- } else {
- while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
- while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
- }
- return a;
-};
-d3.extent = function(array, f) {
- var i = -1,
- n = array.length,
- a,
- b,
- c;
- if (arguments.length === 1) {
- while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined;
- while (++i < n) if ((b = array[i]) != null) {
- if (a > b) a = b;
- if (c < b) c = b;
- }
- } else {
- while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined;
- while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
- if (a > b) a = b;
- if (c < b) c = b;
- }
- }
- return [a, c];
-};
-d3.random = {
- normal: function(mean, deviation) {
- if (arguments.length < 2) deviation = 1;
- if (arguments.length < 1) mean = 0;
- return function() {
- var x, y, r;
- do {
- x = Math.random() * 2 - 1;
- y = Math.random() * 2 - 1;
- r = x * x + y * y;
- } while (!r || r > 1);
- return mean + deviation * x * Math.sqrt(-2 * Math.log(r) / r);
- };
- }
-};
-function d3_number(x) {
- return x != null && !isNaN(x);
-}
-d3.sum = function(array, f) {
- var s = 0,
- n = array.length,
- a,
- i = -1;
-
- if (arguments.length === 1) {
- while (++i < n) if (!isNaN(a = +array[i])) s += a;
- } else {
- while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
- }
-
- return s;
-};
-// R-7 per <http://en.wikipedia.org/wiki/Quantile>
-d3.quantile = function(values, p) {
- var H = (values.length - 1) * p + 1,
- h = Math.floor(H),
- v = values[h - 1],
- e = H - h;
- return e ? v + e * (values[h] - v) : v;
-};
-d3.transpose = function(matrix) {
- return d3.zip.apply(d3, matrix);
-};
-d3.zip = function() {
- if (!(n = arguments.length)) return [];
- for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m;) {
- for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n;) {
- zip[j] = arguments[j][i];
- }
- }
- return zips;
-};
-
-function d3_zipLength(d) {
- return d.length;
-}
-d3.bisector = function(f) {
- return {
- left: function(a, x, lo, hi) {
- if (arguments.length < 3) lo = 0;
- if (arguments.length < 4) hi = a.length;
- while (lo < hi) {
- var mid = lo + hi >> 1;
- if (f.call(a, a[mid], mid) < x) lo = mid + 1;
- else hi = mid;
- }
- return lo;
- },
- right: function(a, x, lo, hi) {
- if (arguments.length < 3) lo = 0;
- if (arguments.length < 4) hi = a.length;
- while (lo < hi) {
- var mid = lo + hi >> 1;
- if (x < f.call(a, a[mid], mid)) hi = mid;
- else lo = mid + 1;
- }
- return lo;
- }
- };
-};
-
-var d3_bisector = d3.bisector(function(d) { return d; });
-d3.bisectLeft = d3_bisector.left;
-d3.bisect = d3.bisectRight = d3_bisector.right;
-d3.first = function(array, f) {
- var i = 0,
- n = array.length,
- a = array[0],
- b;
- if (arguments.length === 1) f = d3.ascending;
- while (++i < n) {
- if (f.call(array, a, b = array[i]) > 0) {
- a = b;
- }
- }
- return a;
-};
-d3.last = function(array, f) {
- var i = 0,
- n = array.length,
- a = array[0],
- b;
- if (arguments.length === 1) f = d3.ascending;
- while (++i < n) {
- if (f.call(array, a, b = array[i]) <= 0) {
- a = b;
- }
- }
- return a;
-};
-d3.nest = function() {
- var nest = {},
- keys = [],
- sortKeys = [],
- sortValues,
- rollup;
-
- function map(array, depth) {
- if (depth >= keys.length) return rollup
- ? rollup.call(nest, array) : (sortValues
- ? array.sort(sortValues)
- : array);
-
- var i = -1,
- n = array.length,
- key = keys[depth++],
- keyValue,
- object,
- valuesByKey = new d3_Map,
- values,
- o = {};
-
- while (++i < n) {
- if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
- values.push(object);
- } else {
- valuesByKey.set(keyValue, [object]);
- }
- }
-
- valuesByKey.forEach(function(keyValue) {
- o[keyValue] = map(valuesByKey.get(keyValue), depth);
- });
-
- return o;
- }
-
- function entries(map, depth) {
- if (depth >= keys.length) return map;
-
- var a = [],
- sortKey = sortKeys[depth++],
- key;
-
- for (key in map) {
- a.push({key: key, values: entries(map[key], depth)});
- }
-
- if (sortKey) a.sort(function(a, b) {
- return sortKey(a.key, b.key);
- });
-
- return a;
- }
-
- nest.map = function(array) {
- return map(array, 0);
- };
-
- nest.entries = function(array) {
- return entries(map(array, 0), 0);
- };
-
- nest.key = function(d) {
- keys.push(d);
- return nest;
- };
-
- // Specifies the order for the most-recently specified key.
- // Note: only applies to entries. Map keys are unordered!
- nest.sortKeys = function(order) {
- sortKeys[keys.length - 1] = order;
- return nest;
- };
-
- // Specifies the order for leaf values.
- // Applies to both maps and entries array.
- nest.sortValues = function(order) {
- sortValues = order;
- return nest;
- };
-
- nest.rollup = function(f) {
- rollup = f;
- return nest;
- };
-
- return nest;
-};
-d3.keys = function(map) {
- var keys = [];
- for (var key in map) keys.push(key);
- return keys;
-};
-d3.values = function(map) {
- var values = [];
- for (var key in map) values.push(map[key]);
- return values;
-};
-d3.entries = function(map) {
- var entries = [];
- for (var key in map) entries.push({key: key, value: map[key]});
- return entries;
-};
-d3.permute = function(array, indexes) {
- var permutes = [],
- i = -1,
- n = indexes.length;
- while (++i < n) permutes[i] = array[indexes[i]];
- return permutes;
-};
-d3.merge = function(arrays) {
- return Array.prototype.concat.apply([], arrays);
-};
-d3.split = function(array, f) {
- var arrays = [],
- values = [],
- value,
- i = -1,
- n = array.length;
- if (arguments.length < 2) f = d3_splitter;
- while (++i < n) {
- if (f.call(values, value = array[i], i)) {
- values = [];
- } else {
- if (!values.length) arrays.push(values);
- values.push(value);
- }
- }
- return arrays;
-};
-
-function d3_splitter(d) {
- return d == null;
-}
-function d3_collapse(s) {
- return s.replace(/^\s+|\s+$/g, "").replace(/\s+/g, " ");
-}
-d3.range = function(start, stop, step) {
- if (arguments.length < 3) {
- step = 1;
- if (arguments.length < 2) {
- stop = start;
- start = 0;
- }
- }
- if ((stop - start) / step === Infinity) throw new Error("infinite range");
- var range = [],
- k = d3_range_integerScale(Math.abs(step)),
- i = -1,
- j;
- start *= k, stop *= k, step *= k;
- if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k);
- else while ((j = start + step * ++i) < stop) range.push(j / k);
- return range;
-};
-
-function d3_range_integerScale(x) {
- var k = 1;
- while (x * k % 1) k *= 10;
- return k;
-}
-d3.requote = function(s) {
- return s.replace(d3_requote_re, "\\$&");
-};
-
-var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
-d3.round = function(x, n) {
- return n
- ? Math.round(x * (n = Math.pow(10, n))) / n
- : Math.round(x);
-};
-d3.xhr = function(url, mime, callback) {
- var req = new XMLHttpRequest;
- if (arguments.length < 3) callback = mime, mime = null;
- else if (mime && req.overrideMimeType) req.overrideMimeType(mime);
- req.open("GET", url, true);
- if (mime) req.setRequestHeader("Accept", mime);
- req.onreadystatechange = function() {
- if (req.readyState === 4) {
- var s = req.status;
- callback(!s && req.response || s >= 200 && s < 300 || s === 304 ? req : null);
- }
- };
- req.send(null);
-};
-d3.text = function(url, mime, callback) {
- function ready(req) {
- callback(req && req.responseText);
- }
- if (arguments.length < 3) {
- callback = mime;
- mime = null;
- }
- d3.xhr(url, mime, ready);
-};
-d3.json = function(url, callback) {
- d3.text(url, "application/json", function(text) {
- callback(text ? JSON.parse(text) : null);
- });
-};
-d3.html = function(url, callback) {
- d3.text(url, "text/html", function(text) {
- if (text != null) { // Treat empty string as valid HTML.
- var range = document.createRange();
- range.selectNode(document.body);
- text = range.createContextualFragment(text);
- }
- callback(text);
- });
-};
-d3.xml = function(url, mime, callback) {
- function ready(req) {
- callback(req && req.responseXML);
- }
- if (arguments.length < 3) {
- callback = mime;
- mime = null;
- }
- d3.xhr(url, mime, ready);
-};
-var d3_nsPrefix = {
- svg: "http://www.w3.org/2000/svg",
- xhtml: "http://www.w3.org/1999/xhtml",
- xlink: "http://www.w3.org/1999/xlink",
- xml: "http://www.w3.org/XML/1998/namespace",
- xmlns: "http://www.w3.org/2000/xmlns/"
-};
-
-d3.ns = {
- prefix: d3_nsPrefix,
- qualify: function(name) {
- var i = name.indexOf(":"),
- prefix = name;
- if (i >= 0) {
- prefix = name.substring(0, i);
- name = name.substring(i + 1);
- }
- return d3_nsPrefix.hasOwnProperty(prefix)
- ? {space: d3_nsPrefix[prefix], local: name}
- : name;
- }
-};
-d3.dispatch = function() {
- var dispatch = new d3_dispatch,
- i = -1,
- n = arguments.length;
- while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
- return dispatch;
-};
-
-function d3_dispatch() {}
-
-d3_dispatch.prototype.on = function(type, listener) {
- var i = type.indexOf("."),
- name = "";
-
- // Extract optional namespace, e.g., "click.foo"
- if (i > 0) {
- name = type.substring(i + 1);
- type = type.substring(0, i);
- }
-
- return arguments.length < 2
- ? this[type].on(name)
- : this[type].on(name, listener);
-};
-
-function d3_dispatch_event(dispatch) {
- var listeners = [],
- listenerByName = new d3_Map;
-
- function event() {
- var z = listeners, // defensive reference
- i = -1,
- n = z.length,
- l;
- while (++i < n) if (l = z[i].on) l.apply(this, arguments);
- return dispatch;
- }
-
- event.on = function(name, listener) {
- var l = listenerByName.get(name),
- i;
-
- // return the current listener, if any
- if (arguments.length < 2) return l && l.on;
-
- // remove the old listener, if any (with copy-on-write)
- if (l) {
- l.on = null;
- listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
- listenerByName.remove(name);
- }
-
- // add the new listener, if any
- if (listener) listeners.push(listenerByName.set(name, {on: listener}));
-
- return dispatch;
- };
-
- return event;
-}
-// TODO align
-d3.format = function(specifier) {
- var match = d3_format_re.exec(specifier),
- fill = match[1] || " ",
- sign = match[3] || "",
- zfill = match[5],
- width = +match[6],
- comma = match[7],
- precision = match[8],
- type = match[9],
- scale = 1,
- suffix = "",
- integer = false;
-
- if (precision) precision = +precision.substring(1);
-
- if (zfill) {
- fill = "0"; // TODO align = "=";
- if (comma) width -= Math.floor((width - 1) / 4);
- }
-
- switch (type) {
- case "n": comma = true; type = "g"; break;
- case "%": scale = 100; suffix = "%"; type = "f"; break;
- case "p": scale = 100; suffix = "%"; type = "r"; break;
- case "d": integer = true; precision = 0; break;
- case "s": scale = -1; type = "r"; break;
- }
-
- // If no precision is specified for r, fallback to general notation.
- if (type == "r" && !precision) type = "g";
-
- type = d3_format_types.get(type) || d3_format_typeDefault;
-
- return function(value) {
-
- // Return the empty string for floats formatted as ints.
- if (integer && (value % 1)) return "";
-
- // Convert negative to positive, and record the sign prefix.
- var negative = (value < 0) && (value = -value) ? "\u2212" : sign;
-
- // Apply the scale, computing it from the value's exponent for si format.
- if (scale < 0) {
- var prefix = d3.formatPrefix(value, precision);
- value = prefix.scale(value);
- suffix = prefix.symbol;
- } else {
- value *= scale;
- }
-
- // Convert to the desired precision.
- value = type(value, precision);
-
- // If the fill character is 0, the sign and group is applied after the fill.
- if (zfill) {
- var length = value.length + negative.length;
- if (length < width) value = new Array(width - length + 1).join(fill) + value;
- if (comma) value = d3_format_group(value);
- value = negative + value;
- }
-
- // Otherwise (e.g., space-filling), the sign and group is applied before.
- else {
- if (comma) value = d3_format_group(value);
- value = negative + value;
- var length = value.length;
- if (length < width) value = new Array(width - length + 1).join(fill) + value;
- }
-
- return value + suffix;
- };
-};
-
-// [[fill]align][sign][#][0][width][,][.precision][type]
-var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/;
-
-var d3_format_types = d3.map({
- g: function(x, p) { return x.toPrecision(p); },
- e: function(x, p) { return x.toExponential(p); },
- f: function(x, p) { return x.toFixed(p); },
- r: function(x, p) { return d3.round(x, p = d3_format_precision(x, p)).toFixed(Math.max(0, Math.min(20, p))); }
-});
-
-function d3_format_precision(x, p) {
- return p - (x ? 1 + Math.floor(Math.log(x + Math.pow(10, 1 + Math.floor(Math.log(x) / Math.LN10) - p)) / Math.LN10) : 1);
-}
-
-function d3_format_typeDefault(x) {
- return x + "";
-}
-
-// Apply comma grouping for thousands.
-function d3_format_group(value) {
- var i = value.lastIndexOf("."),
- f = i >= 0 ? value.substring(i) : (i = value.length, ""),
- t = [];
- while (i > 0) t.push(value.substring(i -= 3, i + 3));
- return t.reverse().join(",") + f;
-}
-var d3_formatPrefixes = ["y","z","a","f","p","n","μ","m","","k","M","G","T","P","E","Z","Y"].map(d3_formatPrefix);
-
-d3.formatPrefix = function(value, precision) {
- var i = 0;
- if (value) {
- if (value < 0) value *= -1;
- if (precision) value = d3.round(value, d3_format_precision(value, precision));
- i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
- i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
- }
- return d3_formatPrefixes[8 + i / 3];
-};
-
-function d3_formatPrefix(d, i) {
- var k = Math.pow(10, Math.abs(8 - i) * 3);
- return {
- scale: i > 8 ? function(d) { return d / k; } : function(d) { return d * k; },
- symbol: d
- };
-}
-/*
- * TERMS OF USE - EASING EQUATIONS
- *
- * Open source under the BSD License.
- *
- * Copyright 2001 Robert Penner
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * - Neither the name of the author nor the names of contributors may be used to
- * endorse or promote products derived from this software without specific
- * prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-var d3_ease_quad = d3_ease_poly(2),
- d3_ease_cubic = d3_ease_poly(3),
- d3_ease_default = function() { return d3_ease_identity; };
-
-var d3_ease = d3.map({
- linear: d3_ease_default,
- poly: d3_ease_poly,
- quad: function() { return d3_ease_quad; },
- cubic: function() { return d3_ease_cubic; },
- sin: function() { return d3_ease_sin; },
- exp: function() { return d3_ease_exp; },
- circle: function() { return d3_ease_circle; },
- elastic: d3_ease_elastic,
- back: d3_ease_back,
- bounce: function() { return d3_ease_bounce; }
-});
-
-var d3_ease_mode = d3.map({
- "in": d3_ease_identity,
- "out": d3_ease_reverse,
- "in-out": d3_ease_reflect,
- "out-in": function(f) { return d3_ease_reflect(d3_ease_reverse(f)); }
-});
-
-d3.ease = function(name) {
- var i = name.indexOf("-"),
- t = i >= 0 ? name.substring(0, i) : name,
- m = i >= 0 ? name.substring(i + 1) : "in";
- t = d3_ease.get(t) || d3_ease_default;
- m = d3_ease_mode.get(m) || d3_ease_identity;
- return d3_ease_clamp(m(t.apply(null, Array.prototype.slice.call(arguments, 1))));
-};
-
-function d3_ease_clamp(f) {
- return function(t) {
- return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
- };
-}
-
-function d3_ease_reverse(f) {
- return function(t) {
- return 1 - f(1 - t);
- };
-}
-
-function d3_ease_reflect(f) {
- return function(t) {
- return .5 * (t < .5 ? f(2 * t) : (2 - f(2 - 2 * t)));
- };
-}
-
-function d3_ease_identity(t) {
- return t;
-}
-
-function d3_ease_poly(e) {
- return function(t) {
- return Math.pow(t, e);
- };
-}
-
-function d3_ease_sin(t) {
- return 1 - Math.cos(t * Math.PI / 2);
-}
-
-function d3_ease_exp(t) {
- return Math.pow(2, 10 * (t - 1));
-}
-
-function d3_ease_circle(t) {
- return 1 - Math.sqrt(1 - t * t);
-}
-
-function d3_ease_elastic(a, p) {
- var s;
- if (arguments.length < 2) p = 0.45;
- if (arguments.length < 1) { a = 1; s = p / 4; }
- else s = p / (2 * Math.PI) * Math.asin(1 / a);
- return function(t) {
- return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * Math.PI / p);
- };
-}
-
-function d3_ease_back(s) {
- if (!s) s = 1.70158;
- return function(t) {
- return t * t * ((s + 1) * t - s);
- };
-}
-
-function d3_ease_bounce(t) {
- return t < 1 / 2.75 ? 7.5625 * t * t
- : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75
- : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375
- : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
-}
-d3.event = null;
-
-function d3_eventCancel() {
- d3.event.stopPropagation();
- d3.event.preventDefault();
-}
-
-function d3_eventSource() {
- var e = d3.event, s;
- while (s = e.sourceEvent) e = s;
- return e;
-}
-
-// Like d3.dispatch, but for custom events abstracting native UI events. These
-// events have a target component (such as a brush), a target element (such as
-// the svg:g element containing the brush) and the standard arguments `d` (the
-// target element's data) and `i` (the selection index of the target element).
-function d3_eventDispatch(target) {
- var dispatch = new d3_dispatch,
- i = 0,
- n = arguments.length;
-
- while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
-
- // Creates a dispatch context for the specified `thiz` (typically, the target
- // DOM element that received the source event) and `argumentz` (typically, the
- // data `d` and index `i` of the target element). The returned function can be
- // used to dispatch an event to any registered listeners; the function takes a
- // single argument as input, being the event to dispatch. The event must have
- // a "type" attribute which corresponds to a type registered in the
- // constructor. This context will automatically populate the "sourceEvent" and
- // "target" attributes of the event, as well as setting the `d3.event` global
- // for the duration of the notification.
- dispatch.of = function(thiz, argumentz) {
- return function(e1) {
- try {
- var e0 =
- e1.sourceEvent = d3.event;
- e1.target = target;
- d3.event = e1;
- dispatch[e1.type].apply(thiz, argumentz);
- } finally {
- d3.event = e0;
- }
- };
- };
-
- return dispatch;
-}
-d3.interpolate = function(a, b) {
- var i = d3.interpolators.length, f;
- while (--i >= 0 && !(f = d3.interpolators[i](a, b)));
- return f;
-};
-
-d3.interpolateNumber = function(a, b) {
- b -= a;
- return function(t) { return a + b * t; };
-};
-
-d3.interpolateRound = function(a, b) {
- b -= a;
- return function(t) { return Math.round(a + b * t); };
-};
-
-d3.interpolateString = function(a, b) {
- var m, // current match
- i, // current index
- j, // current index (for coallescing)
- s0 = 0, // start index of current string prefix
- s1 = 0, // end index of current string prefix
- s = [], // string constants and placeholders
- q = [], // number interpolators
- n, // q.length
- o;
-
- // Reset our regular expression!
- d3_interpolate_number.lastIndex = 0;
-
- // Find all numbers in b.
- for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
- if (m.index) s.push(b.substring(s0, s1 = m.index));
- q.push({i: s.length, x: m[0]});
- s.push(null);
- s0 = d3_interpolate_number.lastIndex;
- }
- if (s0 < b.length) s.push(b.substring(s0));
-
- // Find all numbers in a.
- for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
- o = q[i];
- if (o.x == m[0]) { // The numbers match, so coallesce.
- if (o.i) {
- if (s[o.i + 1] == null) { // This match is followed by another number.
- s[o.i - 1] += o.x;
- s.splice(o.i, 1);
- for (j = i + 1; j < n; ++j) q[j].i--;
- } else { // This match is followed by a string, so coallesce twice.
- s[o.i - 1] += o.x + s[o.i + 1];
- s.splice(o.i, 2);
- for (j = i + 1; j < n; ++j) q[j].i -= 2;
- }
- } else {
- if (s[o.i + 1] == null) { // This match is followed by another number.
- s[o.i] = o.x;
- } else { // This match is followed by a string, so coallesce twice.
- s[o.i] = o.x + s[o.i + 1];
- s.splice(o.i + 1, 1);
- for (j = i + 1; j < n; ++j) q[j].i--;
- }
- }
- q.splice(i, 1);
- n--;
- i--;
- } else {
- o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
- }
- }
-
- // Remove any numbers in b not found in a.
- while (i < n) {
- o = q.pop();
- if (s[o.i + 1] == null) { // This match is followed by another number.
- s[o.i] = o.x;
- } else { // This match is followed by a string, so coallesce twice.
- s[o.i] = o.x + s[o.i + 1];
- s.splice(o.i + 1, 1);
- }
- n--;
- }
-
- // Special optimization for only a single match.
- if (s.length === 1) {
- return s[0] == null ? q[0].x : function() { return b; };
- }
-
- // Otherwise, interpolate each of the numbers and rejoin the string.
- return function(t) {
- for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
- return s.join("");
- };
-};
-
-d3.interpolateTransform = function(a, b) {
- var s = [], // string constants and placeholders
- q = [], // number interpolators
- n,
- A = d3.transform(a),
- B = d3.transform(b),
- ta = A.translate,
- tb = B.translate,
- ra = A.rotate,
- rb = B.rotate,
- wa = A.skew,
- wb = B.skew,
- ka = A.scale,
- kb = B.scale;
-
- if (ta[0] != tb[0] || ta[1] != tb[1]) {
- s.push("translate(", null, ",", null, ")");
- q.push({i: 1, x: d3.interpolateNumber(ta[0], tb[0])}, {i: 3, x: d3.interpolateNumber(ta[1], tb[1])});
- } else if (tb[0] || tb[1]) {
- s.push("translate(" + tb + ")");
- } else {
- s.push("");
- }
-
- if (ra != rb) {
- if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; // shortest path
- q.push({i: s.push(s.pop() + "rotate(", null, ")") - 2, x: d3.interpolateNumber(ra, rb)});
- } else if (rb) {
- s.push(s.pop() + "rotate(" + rb + ")");
- }
-
- if (wa != wb) {
- q.push({i: s.push(s.pop() + "skewX(", null, ")") - 2, x: d3.interpolateNumber(wa, wb)});
- } else if (wb) {
- s.push(s.pop() + "skewX(" + wb + ")");
- }
-
- if (ka[0] != kb[0] || ka[1] != kb[1]) {
- n = s.push(s.pop() + "scale(", null, ",", null, ")");
- q.push({i: n - 4, x: d3.interpolateNumber(ka[0], kb[0])}, {i: n - 2, x: d3.interpolateNumber(ka[1], kb[1])});
- } else if (kb[0] != 1 || kb[1] != 1) {
- s.push(s.pop() + "scale(" + kb + ")");
- }
-
- n = q.length;
- return function(t) {
- var i = -1, o;
- while (++i < n) s[(o = q[i]).i] = o.x(t);
- return s.join("");
- };
-};
-
-d3.interpolateRgb = function(a, b) {
- a = d3.rgb(a);
- b = d3.rgb(b);
- var ar = a.r,
- ag = a.g,
- ab = a.b,
- br = b.r - ar,
- bg = b.g - ag,
- bb = b.b - ab;
- return function(t) {
- return "#"
- + d3_rgb_hex(Math.round(ar + br * t))
- + d3_rgb_hex(Math.round(ag + bg * t))
- + d3_rgb_hex(Math.round(ab + bb * t));
- };
-};
-
-// interpolates HSL space, but outputs RGB string (for compatibility)
-d3.interpolateHsl = function(a, b) {
- a = d3.hsl(a);
- b = d3.hsl(b);
- var h0 = a.h,
- s0 = a.s,
- l0 = a.l,
- h1 = b.h - h0,
- s1 = b.s - s0,
- l1 = b.l - l0;
- if (h1 > 180) h1 -= 360; else if (h1 < -180) h1 += 360; // shortest path
- return function(t) {
- return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t).toString();
- };
-};
-
-d3.interpolateArray = function(a, b) {
- var x = [],
- c = [],
- na = a.length,
- nb = b.length,
- n0 = Math.min(a.length, b.length),
- i;
- for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i]));
- for (; i < na; ++i) c[i] = a[i];
- for (; i < nb; ++i) c[i] = b[i];
- return function(t) {
- for (i = 0; i < n0; ++i) c[i] = x[i](t);
- return c;
- };
-};
-
-d3.interpolateObject = function(a, b) {
- var i = {},
- c = {},
- k;
- for (k in a) {
- if (k in b) {
- i[k] = d3_interpolateByName(k)(a[k], b[k]);
- } else {
- c[k] = a[k];
- }
- }
- for (k in b) {
- if (!(k in a)) {
- c[k] = b[k];
- }
- }
- return function(t) {
- for (k in i) c[k] = i[k](t);
- return c;
- };
-}
-
-var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
-
-function d3_interpolateByName(n) {
- return n == "transform"
- ? d3.interpolateTransform
- : d3.interpolate;
-}
-
-d3.interpolators = [
- d3.interpolateObject,
- function(a, b) { return (b instanceof Array) && d3.interpolateArray(a, b); },
- function(a, b) { return (typeof a === "string" || typeof b === "string") && d3.interpolateString(a + "", b + ""); },
- function(a, b) { return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Rgb || b instanceof d3_Hsl) && d3.interpolateRgb(a, b); },
- function(a, b) { return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b); }
-];
-function d3_uninterpolateNumber(a, b) {
- b = b - (a = +a) ? 1 / (b - a) : 0;
- return function(x) { return (x - a) * b; };
-}
-
-function d3_uninterpolateClamp(a, b) {
- b = b - (a = +a) ? 1 / (b - a) : 0;
- return function(x) { return Math.max(0, Math.min(1, (x - a) * b)); };
-}
-d3.rgb = function(r, g, b) {
- return arguments.length === 1
- ? (r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b)
- : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb))
- : d3_rgb(~~r, ~~g, ~~b);
-};
-
-function d3_rgb(r, g, b) {
- return new d3_Rgb(r, g, b);
-}
-
-function d3_Rgb(r, g, b) {
- this.r = r;
- this.g = g;
- this.b = b;
-}
-
-d3_Rgb.prototype.brighter = function(k) {
- k = Math.pow(0.7, arguments.length ? k : 1);
- var r = this.r,
- g = this.g,
- b = this.b,
- i = 30;
- if (!r && !g && !b) return d3_rgb(i, i, i);
- if (r && r < i) r = i;
- if (g && g < i) g = i;
- if (b && b < i) b = i;
- return d3_rgb(
- Math.min(255, Math.floor(r / k)),
- Math.min(255, Math.floor(g / k)),
- Math.min(255, Math.floor(b / k)));
-};
-
-d3_Rgb.prototype.darker = function(k) {
- k = Math.pow(0.7, arguments.length ? k : 1);
- return d3_rgb(
- Math.floor(k * this.r),
- Math.floor(k * this.g),
- Math.floor(k * this.b));
-};
-
-d3_Rgb.prototype.hsl = function() {
- return d3_rgb_hsl(this.r, this.g, this.b);
-};
-
-d3_Rgb.prototype.toString = function() {
- return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
-};
-
-function d3_rgb_hex(v) {
- return v < 0x10
- ? "0" + Math.max(0, v).toString(16)
- : Math.min(255, v).toString(16);
-}
-
-function d3_rgb_parse(format, rgb, hsl) {
- var r = 0, // red channel; int in [0, 255]
- g = 0, // green channel; int in [0, 255]
- b = 0, // blue channel; int in [0, 255]
- m1, // CSS color specification match
- m2, // CSS color specification type (e.g., rgb)
- name;
-
- /* Handle hsl, rgb. */
- m1 = /([a-z]+)\((.*)\)/i.exec(format);
- if (m1) {
- m2 = m1[2].split(",");
- switch (m1[1]) {
- case "hsl": {
- return hsl(
- parseFloat(m2[0]), // degrees
- parseFloat(m2[1]) / 100, // percentage
- parseFloat(m2[2]) / 100 // percentage
- );
- }
- case "rgb": {
- return rgb(
- d3_rgb_parseNumber(m2[0]),
- d3_rgb_parseNumber(m2[1]),
- d3_rgb_parseNumber(m2[2])
- );
- }
- }
- }
-
- /* Named colors. */
- if (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b);
-
- /* Hexadecimal colors: #rgb and #rrggbb. */
- if (format != null && format.charAt(0) === "#") {
- if (format.length === 4) {
- r = format.charAt(1); r += r;
- g = format.charAt(2); g += g;
- b = format.charAt(3); b += b;
- } else if (format.length === 7) {
- r = format.substring(1, 3);
- g = format.substring(3, 5);
- b = format.substring(5, 7);
- }
- r = parseInt(r, 16);
- g = parseInt(g, 16);
- b = parseInt(b, 16);
- }
-
- return rgb(r, g, b);
-}
-
-function d3_rgb_hsl(r, g, b) {
- var min = Math.min(r /= 255, g /= 255, b /= 255),
- max = Math.max(r, g, b),
- d = max - min,
- h,
- s,
- l = (max + min) / 2;
- if (d) {
- s = l < .5 ? d / (max + min) : d / (2 - max - min);
- if (r == max) h = (g - b) / d + (g < b ? 6 : 0);
- else if (g == max) h = (b - r) / d + 2;
- else h = (r - g) / d + 4;
- h *= 60;
- } else {
- s = h = 0;
- }
- return d3_hsl(h, s, l);
-}
-
-function d3_rgb_parseNumber(c) { // either integer or percentage
- var f = parseFloat(c);
- return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
-}
-
-var d3_rgb_names = d3.map({
- aliceblue: "#f0f8ff",
- antiquewhite: "#faebd7",
- aqua: "#00ffff",
- aquamarine: "#7fffd4",
- azure: "#f0ffff",
- beige: "#f5f5dc",
- bisque: "#ffe4c4",
- black: "#000000",
- blanchedalmond: "#ffebcd",
- blue: "#0000ff",
- blueviolet: "#8a2be2",
- brown: "#a52a2a",
- burlywood: "#deb887",
- cadetblue: "#5f9ea0",
- chartreuse: "#7fff00",
- chocolate: "#d2691e",
- coral: "#ff7f50",
- cornflowerblue: "#6495ed",
- cornsilk: "#fff8dc",
- crimson: "#dc143c",
- cyan: "#00ffff",
- darkblue: "#00008b",
- darkcyan: "#008b8b",
- darkgoldenrod: "#b8860b",
- darkgray: "#a9a9a9",
- darkgreen: "#006400",
- darkgrey: "#a9a9a9",
- darkkhaki: "#bdb76b",
- darkmagenta: "#8b008b",
- darkolivegreen: "#556b2f",
- darkorange: "#ff8c00",
- darkorchid: "#9932cc",
- darkred: "#8b0000",
- darksalmon: "#e9967a",
- darkseagreen: "#8fbc8f",
- darkslateblue: "#483d8b",
- darkslategray: "#2f4f4f",
- darkslategrey: "#2f4f4f",
- darkturquoise: "#00ced1",
- darkviolet: "#9400d3",
- deeppink: "#ff1493",
- deepskyblue: "#00bfff",
- dimgray: "#696969",
- dimgrey: "#696969",
- dodgerblue: "#1e90ff",
- firebrick: "#b22222",
- floralwhite: "#fffaf0",
- forestgreen: "#228b22",
- fuchsia: "#ff00ff",
- gainsboro: "#dcdcdc",
- ghostwhite: "#f8f8ff",
- gold: "#ffd700",
- goldenrod: "#daa520",
- gray: "#808080",
- green: "#008000",
- greenyellow: "#adff2f",
- grey: "#808080",
- honeydew: "#f0fff0",
- hotpink: "#ff69b4",
- indianred: "#cd5c5c",
- indigo: "#4b0082",
- ivory: "#fffff0",
- khaki: "#f0e68c",
- lavender: "#e6e6fa",
- lavenderblush: "#fff0f5",
- lawngreen: "#7cfc00",
- lemonchiffon: "#fffacd",
- lightblue: "#add8e6",
- lightcoral: "#f08080",
- lightcyan: "#e0ffff",
- lightgoldenrodyellow: "#fafad2",
- lightgray: "#d3d3d3",
- lightgreen: "#90ee90",
- lightgrey: "#d3d3d3",
- lightpink: "#ffb6c1",
- lightsalmon: "#ffa07a",
- lightseagreen: "#20b2aa",
- lightskyblue: "#87cefa",
- lightslategray: "#778899",
- lightslategrey: "#778899",
- lightsteelblue: "#b0c4de",
- lightyellow: "#ffffe0",
- lime: "#00ff00",
- limegreen: "#32cd32",
- linen: "#faf0e6",
- magenta: "#ff00ff",
- maroon: "#800000",
- mediumaquamarine: "#66cdaa",
- mediumblue: "#0000cd",
- mediumorchid: "#ba55d3",
- mediumpurple: "#9370db",
- mediumseagreen: "#3cb371",
- mediumslateblue: "#7b68ee",
- mediumspringgreen: "#00fa9a",
- mediumturquoise: "#48d1cc",
- mediumvioletred: "#c71585",
- midnightblue: "#191970",
- mintcream: "#f5fffa",
- mistyrose: "#ffe4e1",
- moccasin: "#ffe4b5",
- navajowhite: "#ffdead",
- navy: "#000080",
- oldlace: "#fdf5e6",
- olive: "#808000",
- olivedrab: "#6b8e23",
- orange: "#ffa500",
- orangered: "#ff4500",
- orchid: "#da70d6",
- palegoldenrod: "#eee8aa",
- palegreen: "#98fb98",
- paleturquoise: "#afeeee",
- palevioletred: "#db7093",
- papayawhip: "#ffefd5",
- peachpuff: "#ffdab9",
- peru: "#cd853f",
- pink: "#ffc0cb",
- plum: "#dda0dd",
- powderblue: "#b0e0e6",
- purple: "#800080",
- red: "#ff0000",
- rosybrown: "#bc8f8f",
- royalblue: "#4169e1",
- saddlebrown: "#8b4513",
- salmon: "#fa8072",
- sandybrown: "#f4a460",
- seagreen: "#2e8b57",
- seashell: "#fff5ee",
- sienna: "#a0522d",
- silver: "#c0c0c0",
- skyblue: "#87ceeb",
- slateblue: "#6a5acd",
- slategray: "#708090",
- slategrey: "#708090",
- snow: "#fffafa",
- springgreen: "#00ff7f",
- steelblue: "#4682b4",
- tan: "#d2b48c",
- teal: "#008080",
- thistle: "#d8bfd8",
- tomato: "#ff6347",
- turquoise: "#40e0d0",
- violet: "#ee82ee",
- wheat: "#f5deb3",
- white: "#ffffff",
- whitesmoke: "#f5f5f5",
- yellow: "#ffff00",
- yellowgreen: "#9acd32"
-});
-
-d3_rgb_names.forEach(function(key, value) {
- d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb));
-});
-d3.hsl = function(h, s, l) {
- return arguments.length === 1
- ? (h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l)
- : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl))
- : d3_hsl(+h, +s, +l);
-};
-
-function d3_hsl(h, s, l) {
- return new d3_Hsl(h, s, l);
-}
-
-function d3_Hsl(h, s, l) {
- this.h = h;
- this.s = s;
- this.l = l;
-}
-
-d3_Hsl.prototype.brighter = function(k) {
- k = Math.pow(0.7, arguments.length ? k : 1);
- return d3_hsl(this.h, this.s, this.l / k);
-};
-
-d3_Hsl.prototype.darker = function(k) {
- k = Math.pow(0.7, arguments.length ? k : 1);
- return d3_hsl(this.h, this.s, k * this.l);
-};
-
-d3_Hsl.prototype.rgb = function() {
- return d3_hsl_rgb(this.h, this.s, this.l);
-};
-
-d3_Hsl.prototype.toString = function() {
- return this.rgb().toString();
-};
-
-function d3_hsl_rgb(h, s, l) {
- var m1,
- m2;
-
- /* Some simple corrections for h, s and l. */
- h = h % 360; if (h < 0) h += 360;
- s = s < 0 ? 0 : s > 1 ? 1 : s;
- l = l < 0 ? 0 : l > 1 ? 1 : l;
-
- /* From FvD 13.37, CSS Color Module Level 3 */
- m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
- m1 = 2 * l - m2;
-
- function v(h) {
- if (h > 360) h -= 360;
- else if (h < 0) h += 360;
- if (h < 60) return m1 + (m2 - m1) * h / 60;
- if (h < 180) return m2;
- if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
- return m1;
- }
-
- function vv(h) {
- return Math.round(v(h) * 255);
- }
-
- return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
-}
-function d3_selection(groups) {
- d3_arraySubclass(groups, d3_selectionPrototype);
- return groups;
-}
-
-var d3_select = function(s, n) { return n.querySelector(s); },
- d3_selectAll = function(s, n) { return n.querySelectorAll(s); },
- d3_selectRoot = document.documentElement,
- d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector,
- d3_selectMatches = function(n, s) { return d3_selectMatcher.call(n, s); };
-
-// Prefer Sizzle, if available.
-if (typeof Sizzle === "function") {
- d3_select = function(s, n) { return Sizzle(s, n)[0] || null; };
- d3_selectAll = function(s, n) { return Sizzle.uniqueSort(Sizzle(s, n)); };
- d3_selectMatches = Sizzle.matchesSelector;
-}
-
-var d3_selectionPrototype = [];
-
-d3.selection = function() {
- return d3_selectionRoot;
-};
-
-d3.selection.prototype = d3_selectionPrototype;
-d3_selectionPrototype.select = function(selector) {
- var subgroups = [],
- subgroup,
- subnode,
- group,
- node;
-
- if (typeof selector !== "function") selector = d3_selection_selector(selector);
-
- for (var j = -1, m = this.length; ++j < m;) {
- subgroups.push(subgroup = []);
- subgroup.parentNode = (group = this[j]).parentNode;
- for (var i = -1, n = group.length; ++i < n;) {
- if (node = group[i]) {
- subgroup.push(subnode = selector.call(node, node.__data__, i));
- if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
- } else {
- subgroup.push(null);
- }
- }
- }
-
- return d3_selection(subgroups);
-};
-
-function d3_selection_selector(selector) {
- return function() {
- return d3_select(selector, this);
- };
-}
-d3_selectionPrototype.selectAll = function(selector) {
- var subgroups = [],
- subgroup,
- node;
-
- if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
-
- for (var j = -1, m = this.length; ++j < m;) {
- for (var group = this[j], i = -1, n = group.length; ++i < n;) {
- if (node = group[i]) {
- subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i)));
- subgroup.parentNode = node;
- }
- }
- }
-
- return d3_selection(subgroups);
-};
-
-function d3_selection_selectorAll(selector) {
- return function() {
- return d3_selectAll(selector, this);
- };
-}
-d3_selectionPrototype.attr = function(name, value) {
- name = d3.ns.qualify(name);
-
- // If no value is specified, return the first value.
- if (arguments.length < 2) {
- var node = this.node();
- return name.local
- ? node.getAttributeNS(name.space, name.local)
- : node.getAttribute(name);
- }
-
- function attrNull() {
- this.removeAttribute(name);
- }
-
- function attrNullNS() {
- this.removeAttributeNS(name.space, name.local);
- }
-
- function attrConstant() {
- this.setAttribute(name, value);
- }
-
- function attrConstantNS() {
- this.setAttributeNS(name.space, name.local, value);
- }
-
- function attrFunction() {
- var x = value.apply(this, arguments);
- if (x == null) this.removeAttribute(name);
- else this.setAttribute(name, x);
- }
-
- function attrFunctionNS() {
- var x = value.apply(this, arguments);
- if (x == null) this.removeAttributeNS(name.space, name.local);
- else this.setAttributeNS(name.space, name.local, x);
- }
-
- return this.each(value == null
- ? (name.local ? attrNullNS : attrNull) : (typeof value === "function"
- ? (name.local ? attrFunctionNS : attrFunction)
- : (name.local ? attrConstantNS : attrConstant)));
-};
-d3_selectionPrototype.classed = function(name, value) {
- var names = d3_collapse(name).split(" "),
- n = names.length,
- i = -1;
- if (arguments.length > 1) {
- while (++i < n) d3_selection_classed.call(this, names[i], value);
- return this;
- } else {
- while (++i < n) if (!d3_selection_classed.call(this, names[i])) return false;
- return true;
- }
-};
-
-function d3_selection_classed(name, value) {
- var re = new RegExp("(^|\\s+)" + d3.requote(name) + "(\\s+|$)", "g");
-
- // If no value is specified, return the first value.
- if (arguments.length < 2) {
- var node = this.node();
- if (c = node.classList) return c.contains(name);
- var c = node.className;
- re.lastIndex = 0;
- return re.test(c.baseVal != null ? c.baseVal : c);
- }
-
- function classedAdd() {
- if (c = this.classList) return c.add(name);
- var c = this.className,
- cb = c.baseVal != null,
- cv = cb ? c.baseVal : c;
- re.lastIndex = 0;
- if (!re.test(cv)) {
- cv = d3_collapse(cv + " " + name);
- if (cb) c.baseVal = cv;
- else this.className = cv;
- }
- }
-
- function classedRemove() {
- if (c = this.classList) return c.remove(name);
- var c = this.className,
- cb = c.baseVal != null,
- cv = cb ? c.baseVal : c;
- cv = d3_collapse(cv.replace(re, " "));
- if (cb) c.baseVal = cv;
- else this.className = cv;
- }
-
- function classedFunction() {
- (value.apply(this, arguments)
- ? classedAdd
- : classedRemove).call(this);
- }
-
- return this.each(typeof value === "function"
- ? classedFunction : value
- ? classedAdd
- : classedRemove);
-}
-d3_selectionPrototype.style = function(name, value, priority) {
- if (arguments.length < 3) priority = "";
-
- // If no value is specified, return the first value.
- if (arguments.length < 2) return window
- .getComputedStyle(this.node(), null)
- .getPropertyValue(name);
-
- function styleNull() {
- this.style.removeProperty(name);
- }
-
- function styleConstant() {
- this.style.setProperty(name, value, priority);
- }
-
- function styleFunction() {
- var x = value.apply(this, arguments);
- if (x == null) this.style.removeProperty(name);
- else this.style.setProperty(name, x, priority);
- }
-
- return this.each(value == null
- ? styleNull : (typeof value === "function"
- ? styleFunction : styleConstant));
-};
-d3_selectionPrototype.property = function(name, value) {
-
- // If no value is specified, return the first value.
- if (arguments.length < 2) return this.node()[name];
-
- function propertyNull() {
- delete this[name];
- }
-
- function propertyConstant() {
- this[name] = value;
- }
-
- function propertyFunction() {
- var x = value.apply(this, arguments);
- if (x == null) delete this[name];
- else this[name] = x;
- }
-
- return this.each(value == null
- ? propertyNull : (typeof value === "function"
- ? propertyFunction : propertyConstant));
-};
-d3_selectionPrototype.text = function(value) {
- return arguments.length < 1
- ? this.node().textContent : this.each(typeof value === "function"
- ? function() { var v = value.apply(this, arguments); this.textContent = v == null ? "" : v; } : value == null
- ? function() { this.textContent = ""; }
- : function() { this.textContent = value; });
-};
-d3_selectionPrototype.html = function(value) {
- return arguments.length < 1
- ? this.node().innerHTML : this.each(typeof value === "function"
- ? function() { var v = value.apply(this, arguments); this.innerHTML = v == null ? "" : v; } : value == null
- ? function() { this.innerHTML = ""; }
- : function() { this.innerHTML = value; });
-};
-// TODO append(node)?
-// TODO append(function)?
-d3_selectionPrototype.append = function(name) {
- name = d3.ns.qualify(name);
-
- function append() {
- return this.appendChild(document.createElementNS(this.namespaceURI, name));
- }
-
- function appendNS() {
- return this.appendChild(document.createElementNS(name.space, name.local));
- }
-
- return this.select(name.local ? appendNS : append);
-};
-// TODO insert(node, function)?
-// TODO insert(function, string)?
-// TODO insert(function, function)?
-d3_selectionPrototype.insert = function(name, before) {
- name = d3.ns.qualify(name);
-
- function insert() {
- return this.insertBefore(
- document.createElementNS(this.namespaceURI, name),
- d3_select(before, this));
- }
-
- function insertNS() {
- return this.insertBefore(
- document.createElementNS(name.space, name.local),
- d3_select(before, this));
- }
-
- return this.select(name.local ? insertNS : insert);
-};
-// TODO remove(selector)?
-// TODO remove(node)?
-// TODO remove(function)?
-d3_selectionPrototype.remove = function() {
- return this.each(function() {
- var parent = this.parentNode;
- if (parent) parent.removeChild(this);
- });
-};
-d3_selectionPrototype.data = function(value, key) {
- var i = -1,
- n = this.length,
- group,
- node;
-
- // If no value is specified, return the first value.
- if (!arguments.length) {
- value = new Array(n = (group = this[0]).length);
- while (++i < n) {
- if (node = group[i]) {
- value[i] = node.__data__;
- }
- }
- return value;
- }
-
- function bind(group, groupData) {
- var i,
- n = group.length,
- m = groupData.length,
- n0 = Math.min(n, m),
- n1 = Math.max(n, m),
- updateNodes = [],
- enterNodes = [],
- exitNodes = [],
- node,
- nodeData;
-
- if (key) {
- var nodeByKeyValue = new d3_Map,
- keyValues = [],
- keyValue,
- j = groupData.length;
-
- for (i = -1; ++i < n;) {
- keyValue = key.call(node = group[i], node.__data__, i);
- if (nodeByKeyValue.has(keyValue)) {
- exitNodes[j++] = node; // duplicate key
- } else {
- nodeByKeyValue.set(keyValue, node);
- }
- keyValues.push(keyValue);
- }
-
- for (i = -1; ++i < m;) {
- keyValue = key.call(groupData, nodeData = groupData[i], i)
- if (nodeByKeyValue.has(keyValue)) {
- updateNodes[i] = node = nodeByKeyValue.get(keyValue);
- node.__data__ = nodeData;
- enterNodes[i] = exitNodes[i] = null;
- } else {
- enterNodes[i] = d3_selection_dataNode(nodeData);
- updateNodes[i] = exitNodes[i] = null;
- }
- nodeByKeyValue.remove(keyValue);
- }
-
- for (i = -1; ++i < n;) {
- if (nodeByKeyValue.has(keyValues[i])) {
- exitNodes[i] = group[i];
- }
- }
- } else {
- for (i = -1; ++i < n0;) {
- node = group[i];
- nodeData = groupData[i];
- if (node) {
- node.__data__ = nodeData;
- updateNodes[i] = node;
- enterNodes[i] = exitNodes[i] = null;
- } else {
- enterNodes[i] = d3_selection_dataNode(nodeData);
- updateNodes[i] = exitNodes[i] = null;
- }
- }
- for (; i < m; ++i) {
- enterNodes[i] = d3_selection_dataNode(groupData[i]);
- updateNodes[i] = exitNodes[i] = null;
- }
- for (; i < n1; ++i) {
- exitNodes[i] = group[i];
- enterNodes[i] = updateNodes[i] = null;
- }
- }
-
- enterNodes.update
- = updateNodes;
-
- enterNodes.parentNode
- = updateNodes.parentNode
- = exitNodes.parentNode
- = group.parentNode;
-
- enter.push(enterNodes);
- update.push(updateNodes);
- exit.push(exitNodes);
- }
-
- var enter = d3_selection_enter([]),
- update = d3_selection([]),
- exit = d3_selection([]);
-
- if (typeof value === "function") {
- while (++i < n) {
- bind(group = this[i], value.call(group, group.parentNode.__data__, i));
- }
- } else {
- while (++i < n) {
- bind(group = this[i], value);
- }
- }
-
- update.enter = function() { return enter; };
- update.exit = function() { return exit; };
- return update;
-};
-
-function d3_selection_dataNode(data) {
- return {__data__: data};
-}
-d3_selectionPrototype.datum =
-d3_selectionPrototype.map = function(value) {
- return arguments.length < 1
- ? this.property("__data__")
- : this.property("__data__", value);
-};
-d3_selectionPrototype.filter = function(filter) {
- var subgroups = [],
- subgroup,
- group,
- node;
-
- if (typeof filter !== "function") filter = d3_selection_filter(filter);
-
- for (var j = 0, m = this.length; j < m; j++) {
- subgroups.push(subgroup = []);
- subgroup.parentNode = (group = this[j]).parentNode;
- for (var i = 0, n = group.length; i < n; i++) {
- if ((node = group[i]) && filter.call(node, node.__data__, i)) {
- subgroup.push(node);
- }
- }
- }
-
- return d3_selection(subgroups);
-};
-
-function d3_selection_filter(selector) {
- return function() {
- return d3_selectMatches(this, selector);
- };
-}
-d3_selectionPrototype.order = function() {
- for (var j = -1, m = this.length; ++j < m;) {
- for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0;) {
- if (node = group[i]) {
- if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
- next = node;
- }
- }
- }
- return this;
-};
-d3_selectionPrototype.sort = function(comparator) {
- comparator = d3_selection_sortComparator.apply(this, arguments);
- for (var j = -1, m = this.length; ++j < m;) this[j].sort(comparator);
- return this.order();
-};
-
-function d3_selection_sortComparator(comparator) {
- if (!arguments.length) comparator = d3.ascending;
- return function(a, b) {
- return comparator(a && a.__data__, b && b.__data__);
- };
-}
-// type can be namespaced, e.g., "click.foo"
-// listener can be null for removal
-d3_selectionPrototype.on = function(type, listener, capture) {
- if (arguments.length < 3) capture = false;
-
- // parse the type specifier
- var name = "__on" + type, i = type.indexOf(".");
- if (i > 0) type = type.substring(0, i);
-
- // if called with only one argument, return the current listener
- if (arguments.length < 2) return (i = this.node()[name]) && i._;
-
- // remove the old event listener, and add the new event listener
- return this.each(function(d, i) {
- var node = this,
- o = node[name];
-
- // remove the old listener, if any (using the previously-set capture)
- if (o) {
- node.removeEventListener(type, o, o.$);
- delete node[name];
- }
-
- // add the new listener, if any (remembering the capture flag)
- if (listener) {
- node.addEventListener(type, node[name] = l, l.$ = capture);
- l._ = listener; // stash the unwrapped listener for get
- }
-
- // wrapped event listener that preserves i
- function l(e) {
- var o = d3.event; // Events can be reentrant (e.g., focus).
- d3.event = e;
- try {
- listener.call(node, node.__data__, i);
- } finally {
- d3.event = o;
- }
- }
- });
-};
-d3_selectionPrototype.each = function(callback) {
- return d3_selection_each(this, function(node, i, j) {
- callback.call(node, node.__data__, i, j);
- });
-};
-
-function d3_selection_each(groups, callback) {
- for (var j = 0, m = groups.length; j < m; j++) {
- for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
- if (node = group[i]) callback(node, i, j);
- }
- }
- return groups;
-}
-//
-// Note: assigning to the arguments array simultaneously changes the value of
-// the corresponding argument!
-//
-// TODO The `this` argument probably shouldn't be the first argument to the
-// callback, anyway, since it's redundant. However, that will require a major
-// version bump due to backwards compatibility, so I'm not changing it right
-// away.
-//
-d3_selectionPrototype.call = function(callback) {
- callback.apply(this, (arguments[0] = this, arguments));
- return this;
-};
-d3_selectionPrototype.empty = function() {
- return !this.node();
-};
-d3_selectionPrototype.node = function(callback) {
- for (var j = 0, m = this.length; j < m; j++) {
- for (var group = this[j], i = 0, n = group.length; i < n; i++) {
- var node = group[i];
- if (node) return node;
- }
- }
- return null;
-};
-d3_selectionPrototype.transition = function() {
- var subgroups = [],
- subgroup,
- node;
-
- for (var j = -1, m = this.length; ++j < m;) {
- subgroups.push(subgroup = []);
- for (var group = this[j], i = -1, n = group.length; ++i < n;) {
- subgroup.push((node = group[i]) ? {node: node, delay: d3_transitionDelay, duration: d3_transitionDuration} : null);
- }
- }
-
- return d3_transition(subgroups, d3_transitionId || ++d3_transitionNextId, Date.now());
-};
-var d3_selectionRoot = d3_selection([[document]]);
-
-d3_selectionRoot[0].parentNode = d3_selectRoot;
-
-// TODO fast singleton implementation!
-// TODO select(function)
-d3.select = function(selector) {
- return typeof selector === "string"
- ? d3_selectionRoot.select(selector)
- : d3_selection([[selector]]); // assume node
-};
-
-// TODO selectAll(function)
-d3.selectAll = function(selector) {
- return typeof selector === "string"
- ? d3_selectionRoot.selectAll(selector)
- : d3_selection([d3_array(selector)]); // assume node[]
-};
-function d3_selection_enter(selection) {
- d3_arraySubclass(selection, d3_selection_enterPrototype);
- return selection;
-}
-
-var d3_selection_enterPrototype = [];
-
-d3.selection.enter = d3_selection_enter;
-d3.selection.enter.prototype = d3_selection_enterPrototype;
-
-d3_selection_enterPrototype.append = d3_selectionPrototype.append;
-d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
-d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
-d3_selection_enterPrototype.node = d3_selectionPrototype.node;
-d3_selection_enterPrototype.select = function(selector) {
- var subgroups = [],
- subgroup,
- subnode,
- upgroup,
- group,
- node;
-
- for (var j = -1, m = this.length; ++j < m;) {
- upgroup = (group = this[j]).update;
- subgroups.push(subgroup = []);
- subgroup.parentNode = group.parentNode;
- for (var i = -1, n = group.length; ++i < n;) {
- if (node = group[i]) {
- subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i));
- subnode.__data__ = node.__data__;
- } else {
- subgroup.push(null);
- }
- }
- }
-
- return d3_selection(subgroups);
-};
-function d3_transition(groups, id, time) {
- d3_arraySubclass(groups, d3_transitionPrototype);
-
- var tweens = new d3_Map,
- event = d3.dispatch("start", "end"),
- ease = d3_transitionEase;
-
- groups.id = id;
-
- groups.time = time;
-
- groups.tween = function(name, tween) {
- if (arguments.length < 2) return tweens.get(name);
- if (tween == null) tweens.remove(name);
- else tweens.set(name, tween);
- return groups;
- };
-
- groups.ease = function(value) {
- if (!arguments.length) return ease;
- ease = typeof value === "function" ? value : d3.ease.apply(d3, arguments);
- return groups;
- };
-
- groups.each = function(type, listener) {
- if (arguments.length < 2) return d3_transition_each.call(groups, type);
- event.on(type, listener);
- return groups;
- };
-
- d3.timer(function(elapsed) {
- return d3_selection_each(groups, function(node, i, j) {
- var tweened = [],
- delay = node.delay,
- duration = node.duration,
- lock = (node = node.node).__transition__ || (node.__transition__ = {active: 0, count: 0}),
- d = node.__data__;
-
- ++lock.count;
-
- delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time);
-
- function start(elapsed) {
- if (lock.active > id) return stop();
- lock.active = id;
-
- tweens.forEach(function(key, value) {
- if (value = value.call(node, d, i)) {
- tweened.push(value);
- }
- });
-
- event.start.call(node, d, i);
- if (!tick(elapsed)) d3.timer(tick, 0, time);
- return 1;
- }
-
- function tick(elapsed) {
- if (lock.active !== id) return stop();
-
- var t = (elapsed - delay) / duration,
- e = ease(t),
- n = tweened.length;
-
- while (n > 0) {
- tweened[--n].call(node, e);
- }
-
- if (t >= 1) {
- stop();
- d3_transitionId = id;
- event.end.call(node, d, i);
- d3_transitionId = 0;
- return 1;
- }
- }
-
- function stop() {
- if (!--lock.count) delete node.__transition__;
- return 1;
- }
- });
- }, 0, time);
-
- return groups;
-}
-
-var d3_transitionRemove = {};
-
-function d3_transitionNull(d, i, a) {
- return a != "" && d3_transitionRemove;
-}
-
-function d3_transitionTween(name, b) {
- var interpolate = d3_interpolateByName(name);
-
- function transitionFunction(d, i, a) {
- var v = b.call(this, d, i);
- return v == null
- ? a != "" && d3_transitionRemove
- : a != v && interpolate(a, v);
- }
-
- function transitionString(d, i, a) {
- return a != b && interpolate(a, b);
- }
-
- return typeof b === "function" ? transitionFunction
- : b == null ? d3_transitionNull
- : (b += "", transitionString);
-}
-
-var d3_transitionPrototype = [],
- d3_transitionNextId = 0,
- d3_transitionId = 0,
- d3_transitionDefaultDelay = 0,
- d3_transitionDefaultDuration = 250,
- d3_transitionDefaultEase = d3.ease("cubic-in-out"),
- d3_transitionDelay = d3_transitionDefaultDelay,
- d3_transitionDuration = d3_transitionDefaultDuration,
- d3_transitionEase = d3_transitionDefaultEase;
-
-d3_transitionPrototype.call = d3_selectionPrototype.call;
-
-d3.transition = function(selection) {
- return arguments.length
- ? (d3_transitionId ? selection.transition() : selection)
- : d3_selectionRoot.transition();
-};
-
-d3.transition.prototype = d3_transitionPrototype;
-d3_transitionPrototype.select = function(selector) {
- var subgroups = [],
- subgroup,
- subnode,
- node;
-
- if (typeof selector !== "function") selector = d3_selection_selector(selector);
-
- for (var j = -1, m = this.length; ++j < m;) {
- subgroups.push(subgroup = []);
- for (var group = this[j], i = -1, n = group.length; ++i < n;) {
- if ((node = group[i]) && (subnode = selector.call(node.node, node.node.__data__, i))) {
- if ("__data__" in node.node) subnode.__data__ = node.node.__data__;
- subgroup.push({node: subnode, delay: node.delay, duration: node.duration});
- } else {
- subgroup.push(null);
- }
- }
- }
-
- return d3_transition(subgroups, this.id, this.time).ease(this.ease());
-};
-d3_transitionPrototype.selectAll = function(selector) {
- var subgroups = [],
- subgroup,
- subnodes,
- node;
-
- if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
-
- for (var j = -1, m = this.length; ++j < m;) {
- for (var group = this[j], i = -1, n = group.length; ++i < n;) {
- if (node = group[i]) {
- subnodes = selector.call(node.node, node.node.__data__, i);
- subgroups.push(subgroup = []);
- for (var k = -1, o = subnodes.length; ++k < o;) {
- subgroup.push({node: subnodes[k], delay: node.delay, duration: node.duration});
- }
- }
- }
- }
-
- return d3_transition(subgroups, this.id, this.time).ease(this.ease());
-};
-d3_transitionPrototype.attr = function(name, value) {
- return this.attrTween(name, d3_transitionTween(name, value));
-};
-
-d3_transitionPrototype.attrTween = function(nameNS, tween) {
- var name = d3.ns.qualify(nameNS);
-
- function attrTween(d, i) {
- var f = tween.call(this, d, i, this.getAttribute(name));
- return f === d3_transitionRemove
- ? (this.removeAttribute(name), null)
- : f && function(t) { this.setAttribute(name, f(t)); };
- }
-
- function attrTweenNS(d, i) {
- var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
- return f === d3_transitionRemove
- ? (this.removeAttributeNS(name.space, name.local), null)
- : f && function(t) { this.setAttributeNS(name.space, name.local, f(t)); };
- }
-
- return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
-};
-d3_transitionPrototype.style = function(name, value, priority) {
- if (arguments.length < 3) priority = "";
- return this.styleTween(name, d3_transitionTween(name, value), priority);
-};
-
-d3_transitionPrototype.styleTween = function(name, tween, priority) {
- if (arguments.length < 3) priority = "";
- return this.tween("style." + name, function(d, i) {
- var f = tween.call(this, d, i, window.getComputedStyle(this, null).getPropertyValue(name));
- return f === d3_transitionRemove
- ? (this.style.removeProperty(name), null)
- : f && function(t) { this.style.setProperty(name, f(t), priority); };
- });
-};
-d3_transitionPrototype.text = function(value) {
- return this.tween("text", function(d, i) {
- this.textContent = typeof value === "function"
- ? value.call(this, d, i)
- : value;
- });
-};
-d3_transitionPrototype.remove = function() {
- return this.each("end.transition", function() {
- var p;
- if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
- });
-};
-d3_transitionPrototype.delay = function(value) {
- return d3_selection_each(this, typeof value === "function"
- ? function(node, i, j) { node.delay = value.call(node = node.node, node.__data__, i, j) | 0; }
- : (value = value | 0, function(node) { node.delay = value; }));
-};
-d3_transitionPrototype.duration = function(value) {
- return d3_selection_each(this, typeof value === "function"
- ? function(node, i, j) { node.duration = Math.max(1, value.call(node = node.node, node.__data__, i, j) | 0); }
- : (value = Math.max(1, value | 0), function(node) { node.duration = value; }));
-};
-function d3_transition_each(callback) {
- var id = d3_transitionId,
- ease = d3_transitionEase,
- delay = d3_transitionDelay,
- duration = d3_transitionDuration;
-
- d3_transitionId = this.id;
- d3_transitionEase = this.ease();
- d3_selection_each(this, function(node, i, j) {
- d3_transitionDelay = node.delay;
- d3_transitionDuration = node.duration;
- callback.call(node = node.node, node.__data__, i, j);
- });
-
- d3_transitionId = id;
- d3_transitionEase = ease;
- d3_transitionDelay = delay;
- d3_transitionDuration = duration;
- return this;
-}
-d3_transitionPrototype.transition = function() {
- return this.select(d3_this);
-};
-var d3_timer_queue = null,
- d3_timer_interval, // is an interval (or frame) active?
- d3_timer_timeout; // is a timeout active?
-
-// The timer will continue to fire until callback returns true.
-d3.timer = function(callback, delay, then) {
- var found = false,
- t0,
- t1 = d3_timer_queue;
-
- if (arguments.length < 3) {
- if (arguments.length < 2) delay = 0;
- else if (!isFinite(delay)) return;
- then = Date.now();
- }
-
- // See if the callback's already in the queue.
- while (t1) {
- if (t1.callback === callback) {
- t1.then = then;
- t1.delay = delay;
- found = true;
- break;
- }
- t0 = t1;
- t1 = t1.next;
- }
-
- // Otherwise, add the callback to the queue.
- if (!found) d3_timer_queue = {
- callback: callback,
- then: then,
- delay: delay,
- next: d3_timer_queue
- };
-
- // Start animatin'!
- if (!d3_timer_interval) {
- d3_timer_timeout = clearTimeout(d3_timer_timeout);
- d3_timer_interval = 1;
- d3_timer_frame(d3_timer_step);
- }
-}
-
-function d3_timer_step() {
- var elapsed,
- now = Date.now(),
- t1 = d3_timer_queue;
-
- while (t1) {
- elapsed = now - t1.then;
- if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed);
- t1 = t1.next;
- }
-
- var delay = d3_timer_flush() - now;
- if (delay > 24) {
- if (isFinite(delay)) {
- clearTimeout(d3_timer_timeout);
- d3_timer_timeout = setTimeout(d3_timer_step, delay);
- }
- d3_timer_interval = 0;
- } else {
- d3_timer_interval = 1;
- d3_timer_frame(d3_timer_step);
- }
-}
-
-d3.timer.flush = function() {
- var elapsed,
- now = Date.now(),
- t1 = d3_timer_queue;
-
- while (t1) {
- elapsed = now - t1.then;
- if (!t1.delay) t1.flush = t1.callback(elapsed);
- t1 = t1.next;
- }
-
- d3_timer_flush();
-};
-
-// Flush after callbacks, to avoid concurrent queue modification.
-function d3_timer_flush() {
- var t0 = null,
- t1 = d3_timer_queue,
- then = Infinity;
- while (t1) {
- if (t1.flush) {
- t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
- } else {
- then = Math.min(then, t1.then + t1.delay);
- t1 = (t0 = t1).next;
- }
- }
- return then;
-}
-
-var d3_timer_frame = window.requestAnimationFrame
- || window.webkitRequestAnimationFrame
- || window.mozRequestAnimationFrame
- || window.oRequestAnimationFrame
- || window.msRequestAnimationFrame
- || function(callback) { setTimeout(callback, 17); };
-d3.transform = function(string) {
- var g = document.createElementNS(d3.ns.prefix.svg, "g"),
- identity = {a: 1, b: 0, c: 0, d: 1, e: 0, f: 0};
- return (d3.transform = function(string) {
- g.setAttribute("transform", string);
- var t = g.transform.baseVal.consolidate();
- return new d3_transform(t ? t.matrix : identity);
- })(string);
-};
-
-// Compute x-scale and normalize the first row.
-// Compute shear and make second row orthogonal to first.
-// Compute y-scale and normalize the second row.
-// Finally, compute the rotation.
-function d3_transform(m) {
- var r0 = [m.a, m.b],
- r1 = [m.c, m.d],
- kx = d3_transformNormalize(r0),
- kz = d3_transformDot(r0, r1),
- ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
- if (r0[0] * r1[1] < r1[0] * r0[1]) {
- r0[0] *= -1;
- r0[1] *= -1;
- kx *= -1;
- kz *= -1;
- }
- this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_transformDegrees;
- this.translate = [m.e, m.f];
- this.scale = [kx, ky];
- this.skew = ky ? Math.atan2(kz, ky) * d3_transformDegrees : 0;
-};
-
-d3_transform.prototype.toString = function() {
- return "translate(" + this.translate
- + ")rotate(" + this.rotate
- + ")skewX(" + this.skew
- + ")scale(" + this.scale
- + ")";
-};
-
-function d3_transformDot(a, b) {
- return a[0] * b[0] + a[1] * b[1];
-}
-
-function d3_transformNormalize(a) {
- var k = Math.sqrt(d3_transformDot(a, a));
- if (k) {
- a[0] /= k;
- a[1] /= k;
- }
- return k;
-}
-
-function d3_transformCombine(a, b, k) {
- a[0] += k * b[0];
- a[1] += k * b[1];
- return a;
-}
-
-var d3_transformDegrees = 180 / Math.PI;
-d3.mouse = function(container) {
- return d3_mousePoint(container, d3_eventSource());
-};
-
-// https://bugs.webkit.org/show_bug.cgi?id=44083
-var d3_mouse_bug44083 = /WebKit/.test(navigator.userAgent) ? -1 : 0;
-
-function d3_mousePoint(container, e) {
- var svg = container.ownerSVGElement || container;
- if (svg.createSVGPoint) {
- var point = svg.createSVGPoint();
- if ((d3_mouse_bug44083 < 0) && (window.scrollX || window.scrollY)) {
- svg = d3.select(document.body)
- .append("svg")
- .style("position", "absolute")
- .style("top", 0)
- .style("left", 0);
- var ctm = svg[0][0].getScreenCTM();
- d3_mouse_bug44083 = !(ctm.f || ctm.e);
- svg.remove();
- }
- if (d3_mouse_bug44083) {
- point.x = e.pageX;
- point.y = e.pageY;
- } else {
- point.x = e.clientX;
- point.y = e.clientY;
- }
- point = point.matrixTransform(container.getScreenCTM().inverse());
- return [point.x, point.y];
- }
- var rect = container.getBoundingClientRect();
- return [e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop];
-};
-d3.touches = function(container, touches) {
- if (arguments.length < 2) touches = d3_eventSource().touches;
- return touches ? d3_array(touches).map(function(touch) {
- var point = d3_mousePoint(container, touch);
- point.identifier = touch.identifier;
- return point;
- }) : [];
-};
-function d3_noop() {}
-d3.scale = {};
-
-function d3_scaleExtent(domain) {
- var start = domain[0], stop = domain[domain.length - 1];
- return start < stop ? [start, stop] : [stop, start];
-}
-
-function d3_scaleRange(scale) {
- return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
-}
-function d3_scale_nice(domain, nice) {
- var i0 = 0,
- i1 = domain.length - 1,
- x0 = domain[i0],
- x1 = domain[i1],
- dx;
-
- if (x1 < x0) {
- dx = i0; i0 = i1; i1 = dx;
- dx = x0; x0 = x1; x1 = dx;
- }
-
- if (dx = x1 - x0) {
- nice = nice(dx);
- domain[i0] = nice.floor(x0);
- domain[i1] = nice.ceil(x1);
- }
-
- return domain;
-}
-
-function d3_scale_niceDefault() {
- return Math;
-}
-d3.scale.linear = function() {
- return d3_scale_linear([0, 1], [0, 1], d3.interpolate, false);
-};
-
-function d3_scale_linear(domain, range, interpolate, clamp) {
- var output,
- input;
-
- function rescale() {
- var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear,
- uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
- output = linear(domain, range, uninterpolate, interpolate);
- input = linear(range, domain, uninterpolate, d3.interpolate);
- return scale;
- }
-
- function scale(x) {
- return output(x);
- }
-
- // Note: requires range is coercible to number!
- scale.invert = function(y) {
- return input(y);
- };
-
- scale.domain = function(x) {
- if (!arguments.length) return domain;
- domain = x.map(Number);
- return rescale();
- };
-
- scale.range = function(x) {
- if (!arguments.length) return range;
- range = x;
- return rescale();
- };
-
- scale.rangeRound = function(x) {
- return scale.range(x).interpolate(d3.interpolateRound);
- };
-
- scale.clamp = function(x) {
- if (!arguments.length) return clamp;
- clamp = x;
- return rescale();
- };
-
- scale.interpolate = function(x) {
- if (!arguments.length) return interpolate;
- interpolate = x;
- return rescale();
- };
-
- scale.ticks = function(m) {
- return d3_scale_linearTicks(domain, m);
- };
-
- scale.tickFormat = function(m) {
- return d3_scale_linearTickFormat(domain, m);
- };
-
- scale.nice = function() {
- d3_scale_nice(domain, d3_scale_linearNice);
- return rescale();
- };
-
- scale.copy = function() {
- return d3_scale_linear(domain, range, interpolate, clamp);
- };
-
- return rescale();
-}
-
-function d3_scale_linearRebind(scale, linear) {
- return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
-}
-
-function d3_scale_linearNice(dx) {
- dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
- return {
- floor: function(x) { return Math.floor(x / dx) * dx; },
- ceil: function(x) { return Math.ceil(x / dx) * dx; }
- };
-}
-
-function d3_scale_linearTickRange(domain, m) {
- var extent = d3_scaleExtent(domain),
- span = extent[1] - extent[0],
- step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)),
- err = m / span * step;
-
- // Filter ticks to get closer to the desired count.
- if (err <= .15) step *= 10;
- else if (err <= .35) step *= 5;
- else if (err <= .75) step *= 2;
-
- // Round start and stop values to step interval.
- extent[0] = Math.ceil(extent[0] / step) * step;
- extent[1] = Math.floor(extent[1] / step) * step + step * .5; // inclusive
- extent[2] = step;
- return extent;
-}
-
-function d3_scale_linearTicks(domain, m) {
- return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
-}
-
-function d3_scale_linearTickFormat(domain, m) {
- return d3.format(",." + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01)) + "f");
-}
-function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
- var u = uninterpolate(domain[0], domain[1]),
- i = interpolate(range[0], range[1]);
- return function(x) {
- return i(u(x));
- };
-}
-function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
- var u = [],
- i = [],
- j = 0,
- k = Math.min(domain.length, range.length) - 1;
-
- // Handle descending domains.
- if (domain[k] < domain[0]) {
- domain = domain.slice().reverse();
- range = range.slice().reverse();
- }
-
- while (++j <= k) {
- u.push(uninterpolate(domain[j - 1], domain[j]));
- i.push(interpolate(range[j - 1], range[j]));
- }
-
- return function(x) {
- var j = d3.bisect(domain, x, 1, k) - 1;
- return i[j](u[j](x));
- };
-}
-d3.scale.log = function() {
- return d3_scale_log(d3.scale.linear(), d3_scale_logp);
-};
-
-function d3_scale_log(linear, log) {
- var pow = log.pow;
-
- function scale(x) {
- return linear(log(x));
- }
-
- scale.invert = function(x) {
- return pow(linear.invert(x));
- };
-
- scale.domain = function(x) {
- if (!arguments.length) return linear.domain().map(pow);
- log = x[0] < 0 ? d3_scale_logn : d3_scale_logp;
- pow = log.pow;
- linear.domain(x.map(log));
- return scale;
- };
-
- scale.nice = function() {
- linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault));
- return scale;
- };
-
- scale.ticks = function() {
- var extent = d3_scaleExtent(linear.domain()),
- ticks = [];
- if (extent.every(isFinite)) {
- var i = Math.floor(extent[0]),
- j = Math.ceil(extent[1]),
- u = pow(extent[0]),
- v = pow(extent[1]);
- if (log === d3_scale_logn) {
- ticks.push(pow(i));
- for (; i++ < j;) for (var k = 9; k > 0; k--) ticks.push(pow(i) * k);
- } else {
- for (; i < j; i++) for (var k = 1; k < 10; k++) ticks.push(pow(i) * k);
- ticks.push(pow(i));
- }
- for (i = 0; ticks[i] < u; i++) {} // strip small values
- for (j = ticks.length; ticks[j - 1] > v; j--) {} // strip big values
- ticks = ticks.slice(i, j);
- }
- return ticks;
- };
-
- scale.tickFormat = function(n, format) {
- if (arguments.length < 2) format = d3_scale_logFormat;
- if (arguments.length < 1) return format;
- var k = Math.max(.1, n / scale.ticks().length),
- f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil),
- e;
- return function(d) {
- return d / pow(f(log(d) + e)) <= k ? format(d) : "";
- };
- };
-
- scale.copy = function() {
- return d3_scale_log(linear.copy(), log);
- };
-
- return d3_scale_linearRebind(scale, linear);
-}
-
-var d3_scale_logFormat = d3.format(".0e");
-
-function d3_scale_logp(x) {
- return Math.log(x < 0 ? 0 : x) / Math.LN10;
-}
-
-function d3_scale_logn(x) {
- return -Math.log(x > 0 ? 0 : -x) / Math.LN10;
-}
-
-d3_scale_logp.pow = function(x) {
- return Math.pow(10, x);
-};
-
-d3_scale_logn.pow = function(x) {
- return -Math.pow(10, -x);
-};
-d3.scale.pow = function() {
- return d3_scale_pow(d3.scale.linear(), 1);
-};
-
-function d3_scale_pow(linear, exponent) {
- var powp = d3_scale_powPow(exponent),
- powb = d3_scale_powPow(1 / exponent);
-
- function scale(x) {
- return linear(powp(x));
- }
-
- scale.invert = function(x) {
- return powb(linear.invert(x));
- };
-
- scale.domain = function(x) {
- if (!arguments.length) return linear.domain().map(powb);
- linear.domain(x.map(powp));
- return scale;
- };
-
- scale.ticks = function(m) {
- return d3_scale_linearTicks(scale.domain(), m);
- };
-
- scale.tickFormat = function(m) {
- return d3_scale_linearTickFormat(scale.domain(), m);
- };
-
- scale.nice = function() {
- return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
- };
-
- scale.exponent = function(x) {
- if (!arguments.length) return exponent;
- var domain = scale.domain();
- powp = d3_scale_powPow(exponent = x);
- powb = d3_scale_powPow(1 / exponent);
- return scale.domain(domain);
- };
-
- scale.copy = function() {
- return d3_scale_pow(linear.copy(), exponent);
- };
-
- return d3_scale_linearRebind(scale, linear);
-}
-
-function d3_scale_powPow(e) {
- return function(x) {
- return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
- };
-}
-d3.scale.sqrt = function() {
- return d3.scale.pow().exponent(.5);
-};
-d3.scale.ordinal = function() {
- return d3_scale_ordinal([], {t: "range", x: []});
-};
-
-function d3_scale_ordinal(domain, ranger) {
- var index,
- range,
- rangeBand;
-
- function scale(x) {
- return range[((index.get(x) || index.set(x, domain.push(x))) - 1) % range.length];
- }
-
- function steps(start, step) {
- return d3.range(domain.length).map(function(i) { return start + step * i; });
- }
-
- scale.domain = function(x) {
- if (!arguments.length) return domain;
- domain = [];
- index = new d3_Map;
- var i = -1, n = x.length, xi;
- while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
- return scale[ranger.t](ranger.x, ranger.p);
- };
-
- scale.range = function(x) {
- if (!arguments.length) return range;
- range = x;
- rangeBand = 0;
- ranger = {t: "range", x: x};
- return scale;
- };
-
- scale.rangePoints = function(x, padding) {
- if (arguments.length < 2) padding = 0;
- var start = x[0],
- stop = x[1],
- step = (stop - start) / (domain.length - 1 + padding);
- range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
- rangeBand = 0;
- ranger = {t: "rangePoints", x: x, p: padding};
- return scale;
- };
-
- scale.rangeBands = function(x, padding) {
- if (arguments.length < 2) padding = 0;
- var reverse = x[1] < x[0],
- start = x[reverse - 0],
- stop = x[1 - reverse],
- step = (stop - start) / (domain.length + padding);
- range = steps(start + step * padding, step);
- if (reverse) range.reverse();
- rangeBand = step * (1 - padding);
- ranger = {t: "rangeBands", x: x, p: padding};
- return scale;
- };
-
- scale.rangeRoundBands = function(x, padding) {
- if (arguments.length < 2) padding = 0;
- var reverse = x[1] < x[0],
- start = x[reverse - 0],
- stop = x[1 - reverse],
- step = Math.floor((stop - start) / (domain.length + padding)),
- error = stop - start - (domain.length - padding) * step;
- range = steps(start + Math.round(error / 2), step);
- if (reverse) range.reverse();
- rangeBand = Math.round(step * (1 - padding));
- ranger = {t: "rangeRoundBands", x: x, p: padding};
- return scale;
- };
-
- scale.rangeBand = function() {
- return rangeBand;
- };
-
- scale.rangeExtent = function() {
- return d3_scaleExtent(ranger.x);
- };
-
- scale.copy = function() {
- return d3_scale_ordinal(domain, ranger);
- };
-
- return scale.domain(domain);
-}
-/*
- * This product includes color specifications and designs developed by Cynthia
- * Brewer (http://colorbrewer.org/). See lib/colorbrewer for more information.
- */
-
-d3.scale.category10 = function() {
- return d3.scale.ordinal().range(d3_category10);
-};
-
-d3.scale.category20 = function() {
- return d3.scale.ordinal().range(d3_category20);
-};
-
-d3.scale.category20b = function() {
- return d3.scale.ordinal().range(d3_category20b);
-};
-
-d3.scale.category20c = function() {
- return d3.scale.ordinal().range(d3_category20c);
-};
-
-var d3_category10 = [
- "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd",
- "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf"
-];
-
-var d3_category20 = [
- "#1f77b4", "#aec7e8",
- "#ff7f0e", "#ffbb78",
- "#2ca02c", "#98df8a",
- "#d62728", "#ff9896",
- "#9467bd", "#c5b0d5",
- "#8c564b", "#c49c94",
- "#e377c2", "#f7b6d2",
- "#7f7f7f", "#c7c7c7",
- "#bcbd22", "#dbdb8d",
- "#17becf", "#9edae5"
-];
-
-var d3_category20b = [
- "#393b79", "#5254a3", "#6b6ecf", "#9c9ede",
- "#637939", "#8ca252", "#b5cf6b", "#cedb9c",
- "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94",
- "#843c39", "#ad494a", "#d6616b", "#e7969c",
- "#7b4173", "#a55194", "#ce6dbd", "#de9ed6"
-];
-
-var d3_category20c = [
- "#3182bd", "#6baed6", "#9ecae1", "#c6dbef",
- "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2",
- "#31a354", "#74c476", "#a1d99b", "#c7e9c0",
- "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb",
- "#636363", "#969696", "#bdbdbd", "#d9d9d9"
-];
-d3.scale.quantile = function() {
- return d3_scale_quantile([], []);
-};
-
-function d3_scale_quantile(domain, range) {
- var thresholds;
-
- function rescale() {
- var k = 0,
- n = domain.length,
- q = range.length;
- thresholds = [];
- while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
- return scale;
- }
-
- function scale(x) {
- if (isNaN(x = +x)) return NaN;
- return range[d3.bisect(thresholds, x)];
- }
-
- scale.domain = function(x) {
- if (!arguments.length) return domain;
- domain = x.filter(function(d) { return !isNaN(d); }).sort(d3.ascending);
- return rescale();
- };
-
- scale.range = function(x) {
- if (!arguments.length) return range;
- range = x;
- return rescale();
- };
-
- scale.quantiles = function() {
- return thresholds;
- };
-
- scale.copy = function() {
- return d3_scale_quantile(domain, range); // copy on write!
- };
-
- return rescale();
-}
-d3.scale.quantize = function() {
- return d3_scale_quantize(0, 1, [0, 1]);
-};
-
-function d3_scale_quantize(x0, x1, range) {
- var kx, i;
-
- function scale(x) {
- return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
- }
-
- function rescale() {
- kx = range.length / (x1 - x0);
- i = range.length - 1;
- return scale;
- }
-
- scale.domain = function(x) {
- if (!arguments.length) return [x0, x1];
- x0 = +x[0];
- x1 = +x[x.length - 1];
- return rescale();
- };
-
- scale.range = function(x) {
- if (!arguments.length) return range;
- range = x;
- return rescale();
- };
-
- scale.copy = function() {
- return d3_scale_quantize(x0, x1, range); // copy on write
- };
-
- return rescale();
-}
-d3.scale.identity = function() {
- return d3_scale_identity([0, 1]);
-};
-
-function d3_scale_identity(domain) {
-
- function identity(x) { return +x; }
-
- identity.invert = identity;
-
- identity.domain = identity.range = function(x) {
- if (!arguments.length) return domain;
- domain = x.map(identity);
- return identity;
- };
-
- identity.ticks = function(m) {
- return d3_scale_linearTicks(domain, m);
- };
-
- identity.tickFormat = function(m) {
- return d3_scale_linearTickFormat(domain, m);
- };
-
- identity.copy = function() {
- return d3_scale_identity(domain);
- };
-
- return identity;
-}
-d3.svg = {};
-d3.svg.arc = function() {
- var innerRadius = d3_svg_arcInnerRadius,
- outerRadius = d3_svg_arcOuterRadius,
- startAngle = d3_svg_arcStartAngle,
- endAngle = d3_svg_arcEndAngle;
-
- function arc() {
- var r0 = innerRadius.apply(this, arguments),
- r1 = outerRadius.apply(this, arguments),
- a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset,
- a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset,
- da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0),
- df = da < Math.PI ? "0" : "1",
- c0 = Math.cos(a0),
- s0 = Math.sin(a0),
- c1 = Math.cos(a1),
- s1 = Math.sin(a1);
- return da >= d3_svg_arcMax
- ? (r0
- ? "M0," + r1
- + "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1)
- + "A" + r1 + "," + r1 + " 0 1,1 0," + r1
- + "M0," + r0
- + "A" + r0 + "," + r0 + " 0 1,0 0," + (-r0)
- + "A" + r0 + "," + r0 + " 0 1,0 0," + r0
- + "Z"
- : "M0," + r1
- + "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1)
- + "A" + r1 + "," + r1 + " 0 1,1 0," + r1
- + "Z")
- : (r0
- ? "M" + r1 * c0 + "," + r1 * s0
- + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1
- + "L" + r0 * c1 + "," + r0 * s1
- + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0
- + "Z"
- : "M" + r1 * c0 + "," + r1 * s0
- + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1
- + "L0,0"
- + "Z");
- }
-
- arc.innerRadius = function(v) {
- if (!arguments.length) return innerRadius;
- innerRadius = d3_functor(v);
- return arc;
- };
-
- arc.outerRadius = function(v) {
- if (!arguments.length) return outerRadius;
- outerRadius = d3_functor(v);
- return arc;
- };
-
- arc.startAngle = function(v) {
- if (!arguments.length) return startAngle;
- startAngle = d3_functor(v);
- return arc;
- };
-
- arc.endAngle = function(v) {
- if (!arguments.length) return endAngle;
- endAngle = d3_functor(v);
- return arc;
- };
-
- arc.centroid = function() {
- var r = (innerRadius.apply(this, arguments)
- + outerRadius.apply(this, arguments)) / 2,
- a = (startAngle.apply(this, arguments)
- + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
- return [Math.cos(a) * r, Math.sin(a) * r];
- };
-
- return arc;
-};
-
-var d3_svg_arcOffset = -Math.PI / 2,
- d3_svg_arcMax = 2 * Math.PI - 1e-6;
-
-function d3_svg_arcInnerRadius(d) {
- return d.innerRadius;
-}
-
-function d3_svg_arcOuterRadius(d) {
- return d.outerRadius;
-}
-
-function d3_svg_arcStartAngle(d) {
- return d.startAngle;
-}
-
-function d3_svg_arcEndAngle(d) {
- return d.endAngle;
-}
-function d3_svg_line(projection) {
- var x = d3_svg_lineX,
- y = d3_svg_lineY,
- defined = d3_true,
- interpolate = d3_svg_lineInterpolatorDefault,
- interpolator = d3_svg_lineLinear,
- tension = .7;
-
- function line(data) {
- var segments = [],
- points = [],
- i = -1,
- n = data.length,
- d,
- fx = d3_functor(x),
- fy = d3_functor(y);
-
- function segment() {
- segments.push("M", interpolator(projection(points), tension));
- }
-
- while (++i < n) {
- if (defined.call(this, d = data[i], i)) {
- points.push([+fx.call(this, d, i), +fy.call(this, d, i)]);
- } else if (points.length) {
- segment();
- points = [];
- }
- }
-
- if (points.length) segment();
-
- return segments.length ? segments.join("") : null;
- }
-
- line.x = function(_) {
- if (!arguments.length) return x;
- x = _;
- return line;
- };
-
- line.y = function(_) {
- if (!arguments.length) return y;
- y = _;
- return line;
- };
-
- line.defined = function(_) {
- if (!arguments.length) return defined;
- defined = _;
- return line;
- };
-
- line.interpolate = function(_) {
- if (!arguments.length) return interpolate;
- if (!d3_svg_lineInterpolators.has(_ += "")) _ = d3_svg_lineInterpolatorDefault;
- interpolator = d3_svg_lineInterpolators.get(interpolate = _);
- return line;
- };
-
- line.tension = function(_) {
- if (!arguments.length) return tension;
- tension = _;
- return line;
- };
-
- return line;
-}
-
-d3.svg.line = function() {
- return d3_svg_line(d3_identity);
-};
-
-// The default `x` property, which references d[0].
-function d3_svg_lineX(d) {
- return d[0];
-}
-
-// The default `y` property, which references d[1].
-function d3_svg_lineY(d) {
- return d[1];
-}
-
-var d3_svg_lineInterpolatorDefault = "linear";
-
-// The various interpolators supported by the `line` class.
-var d3_svg_lineInterpolators = d3.map({
- "linear": d3_svg_lineLinear,
- "step-before": d3_svg_lineStepBefore,
- "step-after": d3_svg_lineStepAfter,
- "basis": d3_svg_lineBasis,
- "basis-open": d3_svg_lineBasisOpen,
- "basis-closed": d3_svg_lineBasisClosed,
- "bundle": d3_svg_lineBundle,
- "cardinal": d3_svg_lineCardinal,
- "cardinal-open": d3_svg_lineCardinalOpen,
- "cardinal-closed": d3_svg_lineCardinalClosed,
- "monotone": d3_svg_lineMonotone
-});
-
-// Linear interpolation; generates "L" commands.
-function d3_svg_lineLinear(points) {
- var i = 0,
- n = points.length,
- p = points[0],
- path = [p[0], ",", p[1]];
- while (++i < n) path.push("L", (p = points[i])[0], ",", p[1]);
- return path.join("");
-}
-
-// Step interpolation; generates "H" and "V" commands.
-function d3_svg_lineStepBefore(points) {
- var i = 0,
- n = points.length,
- p = points[0],
- path = [p[0], ",", p[1]];
- while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
- return path.join("");
-}
-
-// Step interpolation; generates "H" and "V" commands.
-function d3_svg_lineStepAfter(points) {
- var i = 0,
- n = points.length,
- p = points[0],
- path = [p[0], ",", p[1]];
- while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
- return path.join("");
-}
-
-// Open cardinal spline interpolation; generates "C" commands.
-function d3_svg_lineCardinalOpen(points, tension) {
- return points.length < 4
- ? d3_svg_lineLinear(points)
- : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1),
- d3_svg_lineCardinalTangents(points, tension));
-}
-
-// Closed cardinal spline interpolation; generates "C" commands.
-function d3_svg_lineCardinalClosed(points, tension) {
- return points.length < 3
- ? d3_svg_lineLinear(points)
- : points[0] + d3_svg_lineHermite((points.push(points[0]), points),
- d3_svg_lineCardinalTangents([points[points.length - 2]]
- .concat(points, [points[1]]), tension));
-}
-
-// Cardinal spline interpolation; generates "C" commands.
-function d3_svg_lineCardinal(points, tension, closed) {
- return points.length < 3
- ? d3_svg_lineLinear(points)
- : points[0] + d3_svg_lineHermite(points,
- d3_svg_lineCardinalTangents(points, tension));
-}
-
-// Hermite spline construction; generates "C" commands.
-function d3_svg_lineHermite(points, tangents) {
- if (tangents.length < 1
- || (points.length != tangents.length
- && points.length != tangents.length + 2)) {
- return d3_svg_lineLinear(points);
- }
-
- var quad = points.length != tangents.length,
- path = "",
- p0 = points[0],
- p = points[1],
- t0 = tangents[0],
- t = t0,
- pi = 1;
-
- if (quad) {
- path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3)
- + "," + p[0] + "," + p[1];
- p0 = points[1];
- pi = 2;
- }
-
- if (tangents.length > 1) {
- t = tangents[1];
- p = points[pi];
- pi++;
- path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1])
- + "," + (p[0] - t[0]) + "," + (p[1] - t[1])
- + "," + p[0] + "," + p[1];
- for (var i = 2; i < tangents.length; i++, pi++) {
- p = points[pi];
- t = tangents[i];
- path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1])
- + "," + p[0] + "," + p[1];
- }
- }
-
- if (quad) {
- var lp = points[pi];
- path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3)
- + "," + lp[0] + "," + lp[1];
- }
-
- return path;
-}
-
-// Generates tangents for a cardinal spline.
-function d3_svg_lineCardinalTangents(points, tension) {
- var tangents = [],
- a = (1 - tension) / 2,
- p0,
- p1 = points[0],
- p2 = points[1],
- i = 1,
- n = points.length;
- while (++i < n) {
- p0 = p1;
- p1 = p2;
- p2 = points[i];
- tangents.push([a * (p2[0] - p0[0]), a * (p2[1] - p0[1])]);
- }
- return tangents;
-}
-
-// B-spline interpolation; generates "C" commands.
-function d3_svg_lineBasis(points) {
- if (points.length < 3) return d3_svg_lineLinear(points);
- var i = 1,
- n = points.length,
- pi = points[0],
- x0 = pi[0],
- y0 = pi[1],
- px = [x0, x0, x0, (pi = points[1])[0]],
- py = [y0, y0, y0, pi[1]],
- path = [x0, ",", y0];
- d3_svg_lineBasisBezier(path, px, py);
- while (++i < n) {
- pi = points[i];
- px.shift(); px.push(pi[0]);
- py.shift(); py.push(pi[1]);
- d3_svg_lineBasisBezier(path, px, py);
- }
- i = -1;
- while (++i < 2) {
- px.shift(); px.push(pi[0]);
- py.shift(); py.push(pi[1]);
- d3_svg_lineBasisBezier(path, px, py);
- }
- return path.join("");
-}
-
-// Open B-spline interpolation; generates "C" commands.
-function d3_svg_lineBasisOpen(points) {
- if (points.length < 4) return d3_svg_lineLinear(points);
- var path = [],
- i = -1,
- n = points.length,
- pi,
- px = [0],
- py = [0];
- while (++i < 3) {
- pi = points[i];
- px.push(pi[0]);
- py.push(pi[1]);
- }
- path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px)
- + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
- --i; while (++i < n) {
- pi = points[i];
- px.shift(); px.push(pi[0]);
- py.shift(); py.push(pi[1]);
- d3_svg_lineBasisBezier(path, px, py);
- }
- return path.join("");
-}
-
-// Closed B-spline interpolation; generates "C" commands.
-function d3_svg_lineBasisClosed(points) {
- var path,
- i = -1,
- n = points.length,
- m = n + 4,
- pi,
- px = [],
- py = [];
- while (++i < 4) {
- pi = points[i % n];
- px.push(pi[0]);
- py.push(pi[1]);
- }
- path = [
- d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",",
- d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)
- ];
- --i; while (++i < m) {
- pi = points[i % n];
- px.shift(); px.push(pi[0]);
- py.shift(); py.push(pi[1]);
- d3_svg_lineBasisBezier(path, px, py);
- }
- return path.join("");
-}
-
-function d3_svg_lineBundle(points, tension) {
- var n = points.length - 1;
- if (n) {
- var x0 = points[0][0],
- y0 = points[0][1],
- dx = points[n][0] - x0,
- dy = points[n][1] - y0,
- i = -1,
- p,
- t;
- while (++i <= n) {
- p = points[i];
- t = i / n;
- p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
- p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
- }
- }
- return d3_svg_lineBasis(points);
-}
-
-// Returns the dot product of the given four-element vectors.
-function d3_svg_lineDot4(a, b) {
- return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
-}
-
-// Matrix to transform basis (b-spline) control points to bezier
-// control points. Derived from FvD 11.2.8.
-var d3_svg_lineBasisBezier1 = [0, 2/3, 1/3, 0],
- d3_svg_lineBasisBezier2 = [0, 1/3, 2/3, 0],
- d3_svg_lineBasisBezier3 = [0, 1/6, 2/3, 1/6];
-
-// Pushes a "C" Bézier curve onto the specified path array, given the
-// two specified four-element arrays which define the control points.
-function d3_svg_lineBasisBezier(path, x, y) {
- path.push(
- "C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x),
- ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y),
- ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x),
- ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y),
- ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x),
- ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
-}
-
-// Computes the slope from points p0 to p1.
-function d3_svg_lineSlope(p0, p1) {
- return (p1[1] - p0[1]) / (p1[0] - p0[0]);
-}
-
-// Compute three-point differences for the given points.
-// http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Finite_difference
-function d3_svg_lineFiniteDifferences(points) {
- var i = 0,
- j = points.length - 1,
- m = [],
- p0 = points[0],
- p1 = points[1],
- d = m[0] = d3_svg_lineSlope(p0, p1);
- while (++i < j) {
- m[i] = d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]));
- }
- m[i] = d;
- return m;
-}
-
-// Interpolates the given points using Fritsch-Carlson Monotone cubic Hermite
-// interpolation. Returns an array of tangent vectors. For details, see
-// http://en.wikipedia.org/wiki/Monotone_cubic_interpolation
-function d3_svg_lineMonotoneTangents(points) {
- var tangents = [],
- d,
- a,
- b,
- s,
- m = d3_svg_lineFiniteDifferences(points),
- i = -1,
- j = points.length - 1;
-
- // The first two steps are done by computing finite-differences:
- // 1. Compute the slopes of the secant lines between successive points.
- // 2. Initialize the tangents at every point as the average of the secants.
-
- // Then, for each segment…
- while (++i < j) {
- d = d3_svg_lineSlope(points[i], points[i + 1]);
-
- // 3. If two successive yk = y{k + 1} are equal (i.e., d is zero), then set
- // mk = m{k + 1} = 0 as the spline connecting these points must be flat to
- // preserve monotonicity. Ignore step 4 and 5 for those k.
-
- if (Math.abs(d) < 1e-6) {
- m[i] = m[i + 1] = 0;
- } else {
- // 4. Let ak = mk / dk and bk = m{k + 1} / dk.
- a = m[i] / d;
- b = m[i + 1] / d;
-
- // 5. Prevent overshoot and ensure monotonicity by restricting the
- // magnitude of vector <ak, bk> to a circle of radius 3.
- s = a * a + b * b;
- if (s > 9) {
- s = d * 3 / Math.sqrt(s);
- m[i] = s * a;
- m[i + 1] = s * b;
- }
- }
- }
-
- // Compute the normalized tangent vector from the slopes. Note that if x is
- // not monotonic, it's possible that the slope will be infinite, so we protect
- // against NaN by setting the coordinate to zero.
- i = -1; while (++i <= j) {
- s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
- tangents.push([s || 0, m[i] * s || 0]);
- }
-
- return tangents;
-}
-
-function d3_svg_lineMonotone(points) {
- return points.length < 3
- ? d3_svg_lineLinear(points)
- : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
-}
-d3.svg.line.radial = function() {
- var line = d3_svg_line(d3_svg_lineRadial);
- line.radius = line.x, delete line.x;
- line.angle = line.y, delete line.y;
- return line;
-};
-
-function d3_svg_lineRadial(points) {
- var point,
- i = -1,
- n = points.length,
- r,
- a;
- while (++i < n) {
- point = points[i];
- r = point[0];
- a = point[1] + d3_svg_arcOffset;
- point[0] = r * Math.cos(a);
- point[1] = r * Math.sin(a);
- }
- return points;
-}
-function d3_svg_area(projection) {
- var x0 = d3_svg_lineX,
- x1 = d3_svg_lineX,
- y0 = 0,
- y1 = d3_svg_lineY,
- defined = d3_true,
- interpolate = d3_svg_lineInterpolatorDefault,
- i0 = d3_svg_lineLinear,
- i1 = d3_svg_lineLinear,
- L = "L",
- tension = .7;
-
- function area(data) {
- var segments = [],
- points0 = [],
- points1 = [],
- i = -1,
- n = data.length,
- d,
- fx0 = d3_functor(x0),
- fy0 = d3_functor(y0),
- fx1 = x0 === x1 ? function() { return x; } : d3_functor(x1),
- fy1 = y0 === y1 ? function() { return y; } : d3_functor(y1),
- x,
- y;
-
- function segment() {
- segments.push("M", i0(projection(points1), tension),
- L, i1(projection(points0.reverse()), tension),
- "Z");
- }
-
- while (++i < n) {
- if (defined.call(this, d = data[i], i)) {
- points0.push([x = +fx0.call(this, d, i), y = +fy0.call(this, d, i)]);
- points1.push([+fx1.call(this, d, i), +fy1.call(this, d, i)]);
- } else if (points0.length) {
- segment();
- points0 = [];
- points1 = [];
- }
- }
-
- if (points0.length) segment();
-
- return segments.length ? segments.join("") : null;
- }
-
- area.x = function(_) {
- if (!arguments.length) return x1;
- x0 = x1 = _;
- return area;
- };
-
- area.x0 = function(_) {
- if (!arguments.length) return x0;
- x0 = _;
- return area;
- };
-
- area.x1 = function(_) {
- if (!arguments.length) return x1;
- x1 = _;
- return area;
- };
-
- area.y = function(_) {
- if (!arguments.length) return y1;
- y0 = y1 = _;
- return area;
- };
-
- area.y0 = function(_) {
- if (!arguments.length) return y0;
- y0 = _;
- return area;
- };
-
- area.y1 = function(_) {
- if (!arguments.length) return y1;
- y1 = _;
- return area;
- };
-
- area.defined = function(_) {
- if (!arguments.length) return defined;
- defined = _;
- return area;
- };
-
- area.interpolate = function(_) {
- if (!arguments.length) return interpolate;
- if (!d3_svg_lineInterpolators.has(_ += "")) _ = d3_svg_lineInterpolatorDefault;
- i0 = d3_svg_lineInterpolators.get(interpolate = _);
- i1 = i0.reverse || i0;
- L = /-closed$/.test(_) ? "M" : "L";
- return area;
- };
-
- area.tension = function(_) {
- if (!arguments.length) return tension;
- tension = _;
- return area;
- };
-
- return area;
-}
-
-d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
-d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
-
-d3.svg.area = function() {
- return d3_svg_area(Object);
-};
-d3.svg.area.radial = function() {
- var area = d3_svg_area(d3_svg_lineRadial);
- area.radius = area.x, delete area.x;
- area.innerRadius = area.x0, delete area.x0;
- area.outerRadius = area.x1, delete area.x1;
- area.angle = area.y, delete area.y;
- area.startAngle = area.y0, delete area.y0;
- area.endAngle = area.y1, delete area.y1;
- return area;
-};
-d3.svg.chord = function() {
- var source = d3_svg_chordSource,
- target = d3_svg_chordTarget,
- radius = d3_svg_chordRadius,
- startAngle = d3_svg_arcStartAngle,
- endAngle = d3_svg_arcEndAngle;
-
- // TODO Allow control point to be customized.
-
- function chord(d, i) {
- var s = subgroup(this, source, d, i),
- t = subgroup(this, target, d, i);
- return "M" + s.p0
- + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t)
- ? curve(s.r, s.p1, s.r, s.p0)
- : curve(s.r, s.p1, t.r, t.p0)
- + arc(t.r, t.p1, t.a1 - t.a0)
- + curve(t.r, t.p1, s.r, s.p0))
- + "Z";
- }
-
- function subgroup(self, f, d, i) {
- var subgroup = f.call(self, d, i),
- r = radius.call(self, subgroup, i),
- a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset,
- a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
- return {
- r: r,
- a0: a0,
- a1: a1,
- p0: [r * Math.cos(a0), r * Math.sin(a0)],
- p1: [r * Math.cos(a1), r * Math.sin(a1)]
- };
- }
-
- function equals(a, b) {
- return a.a0 == b.a0 && a.a1 == b.a1;
- }
-
- function arc(r, p, a) {
- return "A" + r + "," + r + " 0 " + +(a > Math.PI) + ",1 " + p;
- }
-
- function curve(r0, p0, r1, p1) {
- return "Q 0,0 " + p1;
- }
-
- chord.radius = function(v) {
- if (!arguments.length) return radius;
- radius = d3_functor(v);
- return chord;
- };
-
- chord.source = function(v) {
- if (!arguments.length) return source;
- source = d3_functor(v);
- return chord;
- };
-
- chord.target = function(v) {
- if (!arguments.length) return target;
- target = d3_functor(v);
- return chord;
- };
-
- chord.startAngle = function(v) {
- if (!arguments.length) return startAngle;
- startAngle = d3_functor(v);
- return chord;
- };
-
- chord.endAngle = function(v) {
- if (!arguments.length) return endAngle;
- endAngle = d3_functor(v);
- return chord;
- };
-
- return chord;
-};
-
-function d3_svg_chordSource(d) {
- return d.source;
-}
-
-function d3_svg_chordTarget(d) {
- return d.target;
-}
-
-function d3_svg_chordRadius(d) {
- return d.radius;
-}
-
-function d3_svg_chordStartAngle(d) {
- return d.startAngle;
-}
-
-function d3_svg_chordEndAngle(d) {
- return d.endAngle;
-}
-d3.svg.diagonal = function() {
- var source = d3_svg_chordSource,
- target = d3_svg_chordTarget,
- projection = d3_svg_diagonalProjection;
-
- function diagonal(d, i) {
- var p0 = source.call(this, d, i),
- p3 = target.call(this, d, i),
- m = (p0.y + p3.y) / 2,
- p = [p0, {x: p0.x, y: m}, {x: p3.x, y: m}, p3];
- p = p.map(projection);
- return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
- }
-
- diagonal.source = function(x) {
- if (!arguments.length) return source;
- source = d3_functor(x);
- return diagonal;
- };
-
- diagonal.target = function(x) {
- if (!arguments.length) return target;
- target = d3_functor(x);
- return diagonal;
- };
-
- diagonal.projection = function(x) {
- if (!arguments.length) return projection;
- projection = x;
- return diagonal;
- };
-
- return diagonal;
-};
-
-function d3_svg_diagonalProjection(d) {
- return [d.x, d.y];
-}
-d3.svg.diagonal.radial = function() {
- var diagonal = d3.svg.diagonal(),
- projection = d3_svg_diagonalProjection,
- projection_ = diagonal.projection;
-
- diagonal.projection = function(x) {
- return arguments.length
- ? projection_(d3_svg_diagonalRadialProjection(projection = x))
- : projection;
- };
-
- return diagonal;
-};
-
-function d3_svg_diagonalRadialProjection(projection) {
- return function() {
- var d = projection.apply(this, arguments),
- r = d[0],
- a = d[1] + d3_svg_arcOffset;
- return [r * Math.cos(a), r * Math.sin(a)];
- };
-}
-d3.svg.mouse = d3.mouse;
-d3.svg.touches = d3.touches;
-d3.svg.symbol = function() {
- var type = d3_svg_symbolType,
- size = d3_svg_symbolSize;
-
- function symbol(d, i) {
- return (d3_svg_symbols.get(type.call(this, d, i))
- || d3_svg_symbolCircle)
- (size.call(this, d, i));
- }
-
- symbol.type = function(x) {
- if (!arguments.length) return type;
- type = d3_functor(x);
- return symbol;
- };
-
- // size of symbol in square pixels
- symbol.size = function(x) {
- if (!arguments.length) return size;
- size = d3_functor(x);
- return symbol;
- };
-
- return symbol;
-};
-
-function d3_svg_symbolSize() {
- return 64;
-}
-
-function d3_svg_symbolType() {
- return "circle";
-}
-
-function d3_svg_symbolCircle(size) {
- var r = Math.sqrt(size / Math.PI);
- return "M0," + r
- + "A" + r + "," + r + " 0 1,1 0," + (-r)
- + "A" + r + "," + r + " 0 1,1 0," + r
- + "Z";
-}
-
-// TODO cross-diagonal?
-var d3_svg_symbols = d3.map({
- "circle": d3_svg_symbolCircle,
- "cross": function(size) {
- var r = Math.sqrt(size / 5) / 2;
- return "M" + -3 * r + "," + -r
- + "H" + -r
- + "V" + -3 * r
- + "H" + r
- + "V" + -r
- + "H" + 3 * r
- + "V" + r
- + "H" + r
- + "V" + 3 * r
- + "H" + -r
- + "V" + r
- + "H" + -3 * r
- + "Z";
- },
- "diamond": function(size) {
- var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)),
- rx = ry * d3_svg_symbolTan30;
- return "M0," + -ry
- + "L" + rx + ",0"
- + " 0," + ry
- + " " + -rx + ",0"
- + "Z";
- },
- "square": function(size) {
- var r = Math.sqrt(size) / 2;
- return "M" + -r + "," + -r
- + "L" + r + "," + -r
- + " " + r + "," + r
- + " " + -r + "," + r
- + "Z";
- },
- "triangle-down": function(size) {
- var rx = Math.sqrt(size / d3_svg_symbolSqrt3),
- ry = rx * d3_svg_symbolSqrt3 / 2;
- return "M0," + ry
- + "L" + rx +"," + -ry
- + " " + -rx + "," + -ry
- + "Z";
- },
- "triangle-up": function(size) {
- var rx = Math.sqrt(size / d3_svg_symbolSqrt3),
- ry = rx * d3_svg_symbolSqrt3 / 2;
- return "M0," + -ry
- + "L" + rx +"," + ry
- + " " + -rx + "," + ry
- + "Z";
- }
-});
-
-d3.svg.symbolTypes = d3_svg_symbols.keys();
-
-var d3_svg_symbolSqrt3 = Math.sqrt(3),
- d3_svg_symbolTan30 = Math.tan(30 * Math.PI / 180);
-d3.svg.axis = function() {
- var scale = d3.scale.linear(),
- orient = "bottom",
- tickMajorSize = 6,
- tickMinorSize = 6,
- tickEndSize = 6,
- tickPadding = 3,
- tickArguments_ = [10],
- tickValues = null,
- tickFormat_,
- tickSubdivide = 0;
-
- function axis(g) {
- g.each(function() {
- var g = d3.select(this);
-
- // Ticks, or domain values for ordinal scales.
- var ticks = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain()) : tickValues,
- tickFormat = tickFormat_ == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String) : tickFormat_;
-
- // Minor ticks.
- var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide),
- subtick = g.selectAll(".minor").data(subticks, String),
- subtickEnter = subtick.enter().insert("line", "g").attr("class", "tick minor").style("opacity", 1e-6),
- subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(),
- subtickUpdate = d3.transition(subtick).style("opacity", 1);
-
- // Major ticks.
- var tick = g.selectAll("g").data(ticks, String),
- tickEnter = tick.enter().insert("g", "path").style("opacity", 1e-6),
- tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(),
- tickUpdate = d3.transition(tick).style("opacity", 1),
- tickTransform;
-
- // Domain.
- var range = d3_scaleRange(scale),
- path = g.selectAll(".domain").data([0]),
- pathEnter = path.enter().append("path").attr("class", "domain"),
- pathUpdate = d3.transition(path);
-
- // Stash a snapshot of the new scale, and retrieve the old snapshot.
- var scale1 = scale.copy(),
- scale0 = this.__chart__ || scale1;
- this.__chart__ = scale1;
-
- tickEnter.append("line").attr("class", "tick");
- tickEnter.append("text");
-
- var lineEnter = tickEnter.select("line"),
- lineUpdate = tickUpdate.select("line"),
- text = tick.select("text").text(tickFormat),
- textEnter = tickEnter.select("text"),
- textUpdate = tickUpdate.select("text");
-
- switch (orient) {
- case "bottom": {
- tickTransform = d3_svg_axisX;
- subtickEnter.attr("y2", tickMinorSize);
- subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
- lineEnter.attr("y2", tickMajorSize);
- textEnter.attr("y", Math.max(tickMajorSize, 0) + tickPadding);
- lineUpdate.attr("x2", 0).attr("y2", tickMajorSize);
- textUpdate.attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding);
- text.attr("dy", ".71em").attr("text-anchor", "middle");
- pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
- break;
- }
- case "top": {
- tickTransform = d3_svg_axisX;
- subtickEnter.attr("y2", -tickMinorSize);
- subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
- lineEnter.attr("y2", -tickMajorSize);
- textEnter.attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
- lineUpdate.attr("x2", 0).attr("y2", -tickMajorSize);
- textUpdate.attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
- text.attr("dy", "0em").attr("text-anchor", "middle");
- pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
- break;
- }
- case "left": {
- tickTransform = d3_svg_axisY;
- subtickEnter.attr("x2", -tickMinorSize);
- subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
- lineEnter.attr("x2", -tickMajorSize);
- textEnter.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
- lineUpdate.attr("x2", -tickMajorSize).attr("y2", 0);
- textUpdate.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0);
- text.attr("dy", ".32em").attr("text-anchor", "end");
- pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
- break;
- }
- case "right": {
- tickTransform = d3_svg_axisY;
- subtickEnter.attr("x2", tickMinorSize);
- subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
- lineEnter.attr("x2", tickMajorSize);
- textEnter.attr("x", Math.max(tickMajorSize, 0) + tickPadding);
- lineUpdate.attr("x2", tickMajorSize).attr("y2", 0);
- textUpdate.attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0);
- text.attr("dy", ".32em").attr("text-anchor", "start");
- pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
- break;
- }
- }
-
- // For quantitative scales:
- // - enter new ticks from the old scale
- // - exit old ticks to the new scale
- if (scale.ticks) {
- tickEnter.call(tickTransform, scale0);
- tickUpdate.call(tickTransform, scale1);
- tickExit.call(tickTransform, scale1);
- subtickEnter.call(tickTransform, scale0);
- subtickUpdate.call(tickTransform, scale1);
- subtickExit.call(tickTransform, scale1);
- }
-
- // For ordinal scales:
- // - any entering ticks are undefined in the old scale
- // - any exiting ticks are undefined in the new scale
- // Therefore, we only need to transition updating ticks.
- else {
- var dx = scale1.rangeBand() / 2, x = function(d) { return scale1(d) + dx; };
- tickEnter.call(tickTransform, x);
- tickUpdate.call(tickTransform, x);
- }
- });
- }
-
- axis.scale = function(x) {
- if (!arguments.length) return scale;
- scale = x;
- return axis;
- };
-
- axis.orient = function(x) {
- if (!arguments.length) return orient;
- orient = x;
- return axis;
- };
-
- axis.ticks = function() {
- if (!arguments.length) return tickArguments_;
- tickArguments_ = arguments;
- return axis;
- };
-
- axis.tickValues = function(x) {
- if (!arguments.length) return tickValues;
- tickValues = x;
- return axis;
- };
-
- axis.tickFormat = function(x) {
- if (!arguments.length) return tickFormat_;
- tickFormat_ = x;
- return axis;
- };
-
- axis.tickSize = function(x, y, z) {
- if (!arguments.length) return tickMajorSize;
- var n = arguments.length - 1;
- tickMajorSize = +x;
- tickMinorSize = n > 1 ? +y : tickMajorSize;
- tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
- return axis;
- };
-
- axis.tickPadding = function(x) {
- if (!arguments.length) return tickPadding;
- tickPadding = +x;
- return axis;
- };
-
- axis.tickSubdivide = function(x) {
- if (!arguments.length) return tickSubdivide;
- tickSubdivide = +x;
- return axis;
- };
-
- return axis;
-};
-
-function d3_svg_axisX(selection, x) {
- selection.attr("transform", function(d) { return "translate(" + x(d) + ",0)"; });
-}
-
-function d3_svg_axisY(selection, y) {
- selection.attr("transform", function(d) { return "translate(0," + y(d) + ")"; });
-}
-
-function d3_svg_axisSubdivide(scale, ticks, m) {
- subticks = [];
- if (m && ticks.length > 1) {
- var extent = d3_scaleExtent(scale.domain()),
- subticks,
- i = -1,
- n = ticks.length,
- d = (ticks[1] - ticks[0]) / ++m,
- j,
- v;
- while (++i < n) {
- for (j = m; --j > 0;) {
- if ((v = +ticks[i] - j * d) >= extent[0]) {
- subticks.push(v);
- }
- }
- }
- for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1];) {
- subticks.push(v);
- }
- }
- return subticks;
-}
-d3.svg.brush = function() {
- var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"),
- x = null, // x-scale, optional
- y = null, // y-scale, optional
- resizes = d3_svg_brushResizes[0],
- extent = [[0, 0], [0, 0]], // [x0, y0], [x1, y1], in pixels (integers)
- extentDomain; // the extent in data space, lazily created
-
- function brush(g) {
- g.each(function() {
- var g = d3.select(this),
- bg = g.selectAll(".background").data([0]),
- fg = g.selectAll(".extent").data([0]),
- tz = g.selectAll(".resize").data(resizes, String),
- e;
-
- // Prepare the brush container for events.
- g
- .style("pointer-events", "all")
- .on("mousedown.brush", brushstart)
- .on("touchstart.brush", brushstart);
-
- // An invisible, mouseable area for starting a new brush.
- bg.enter().append("rect")
- .attr("class", "background")
- .style("visibility", "hidden")
- .style("cursor", "crosshair");
-
- // The visible brush extent; style this as you like!
- fg.enter().append("rect")
- .attr("class", "extent")
- .style("cursor", "move");
-
- // More invisible rects for resizing the extent.
- tz.enter().append("g")
- .attr("class", function(d) { return "resize " + d; })
- .style("cursor", function(d) { return d3_svg_brushCursor[d]; })
- .append("rect")
- .attr("x", function(d) { return /[ew]$/.test(d) ? -3 : null; })
- .attr("y", function(d) { return /^[ns]/.test(d) ? -3 : null; })
- .attr("width", 6)
- .attr("height", 6)
- .style("visibility", "hidden");
-
- // Show or hide the resizers.
- tz.style("display", brush.empty() ? "none" : null);
-
- // Remove any superfluous resizers.
- tz.exit().remove();
-
- // Initialize the background to fill the defined range.
- // If the range isn't defined, you can post-process.
- if (x) {
- e = d3_scaleRange(x);
- bg.attr("x", e[0]).attr("width", e[1] - e[0]);
- redrawX(g);
- }
- if (y) {
- e = d3_scaleRange(y);
- bg.attr("y", e[0]).attr("height", e[1] - e[0]);
- redrawY(g);
- }
- redraw(g);
- });
- }
-
- function redraw(g) {
- g.selectAll(".resize").attr("transform", function(d) {
- return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")";
- });
- }
-
- function redrawX(g) {
- g.select(".extent").attr("x", extent[0][0]);
- g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]);
- }
-
- function redrawY(g) {
- g.select(".extent").attr("y", extent[0][1]);
- g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]);
- }
-
- function brushstart() {
- var target = this,
- eventTarget = d3.select(d3.event.target),
- event_ = event.of(target, arguments),
- g = d3.select(target),
- resizing = eventTarget.datum(),
- resizingX = !/^(n|s)$/.test(resizing) && x,
- resizingY = !/^(e|w)$/.test(resizing) && y,
- dragging = eventTarget.classed("extent"),
- center,
- origin = mouse(),
- offset;
-
- var w = d3.select(window)
- .on("mousemove.brush", brushmove)
- .on("mouseup.brush", brushend)
- .on("touchmove.brush", brushmove)
- .on("touchend.brush", brushend)
- .on("keydown.brush", keydown)
- .on("keyup.brush", keyup);
-
- // If the extent was clicked on, drag rather than brush;
- // store the point between the mouse and extent origin instead.
- if (dragging) {
- origin[0] = extent[0][0] - origin[0];
- origin[1] = extent[0][1] - origin[1];
- }
-
- // If a resizer was clicked on, record which side is to be resized.
- // Also, set the origin to the opposite side.
- else if (resizing) {
- var ex = +/w$/.test(resizing),
- ey = +/^n/.test(resizing);
- offset = [extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1]];
- origin[0] = extent[ex][0];
- origin[1] = extent[ey][1];
- }
-
- // If the ALT key is down when starting a brush, the center is at the mouse.
- else if (d3.event.altKey) center = origin.slice();
-
- // Propagate the active cursor to the body for the drag duration.
- g.style("pointer-events", "none").selectAll(".resize").style("display", null);
- d3.select("body").style("cursor", eventTarget.style("cursor"));
-
- // Notify listeners.
- event_({type: "brushstart"});
- brushmove();
- d3_eventCancel();
-
- function mouse() {
- var touches = d3.event.changedTouches;
- return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
- }
-
- function keydown() {
- if (d3.event.keyCode == 32) {
- if (!dragging) {
- center = null;
- origin[0] -= extent[1][0];
- origin[1] -= extent[1][1];
- dragging = 2;
- }
- d3_eventCancel();
- }
- }
-
- function keyup() {
- if (d3.event.keyCode == 32 && dragging == 2) {
- origin[0] += extent[1][0];
- origin[1] += extent[1][1];
- dragging = 0;
- d3_eventCancel();
- }
- }
-
- function brushmove() {
- var point = mouse(),
- moved = false;
-
- // Preserve the offset for thick resizers.
- if (offset) {
- point[0] += offset[0];
- point[1] += offset[1];
- }
-
- if (!dragging) {
-
- // If needed, determine the center from the current extent.
- if (d3.event.altKey) {
- if (!center) center = [(extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2];
-
- // Update the origin, for when the ALT key is released.
- origin[0] = extent[+(point[0] < center[0])][0];
- origin[1] = extent[+(point[1] < center[1])][1];
- }
-
- // When the ALT key is released, we clear the center.
- else center = null;
- }
-
- // Update the brush extent for each dimension.
- if (resizingX && move1(point, x, 0)) {
- redrawX(g);
- moved = true;
- }
- if (resizingY && move1(point, y, 1)) {
- redrawY(g);
- moved = true;
- }
-
- // Final redraw and notify listeners.
- if (moved) {
- redraw(g);
- event_({type: "brush", mode: dragging ? "move" : "resize"});
- }
- }
-
- function move1(point, scale, i) {
- var range = d3_scaleRange(scale),
- r0 = range[0],
- r1 = range[1],
- position = origin[i],
- size = extent[1][i] - extent[0][i],
- min,
- max;
-
- // When dragging, reduce the range by the extent size and position.
- if (dragging) {
- r0 -= position;
- r1 -= size + position;
- }
-
- // Clamp the point so that the extent fits within the range extent.
- min = Math.max(r0, Math.min(r1, point[i]));
-
- // Compute the new extent bounds.
- if (dragging) {
- max = (min += position) + size;
- } else {
-
- // If the ALT key is pressed, then preserve the center of the extent.
- if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
-
- // Compute the min and max of the position and point.
- if (position < min) {
- max = min;
- min = position;
- } else {
- max = position;
- }
- }
-
- // Update the stored bounds.
- if (extent[0][i] !== min || extent[1][i] !== max) {
- extentDomain = null;
- extent[0][i] = min;
- extent[1][i] = max;
- return true;
- }
- }
-
- function brushend() {
- brushmove();
-
- // reset the cursor styles
- g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
- d3.select("body").style("cursor", null);
-
- w .on("mousemove.brush", null)
- .on("mouseup.brush", null)
- .on("touchmove.brush", null)
- .on("touchend.brush", null)
- .on("keydown.brush", null)
- .on("keyup.brush", null);
-
- event_({type: "brushend"});
- d3_eventCancel();
- }
- }
-
- brush.x = function(z) {
- if (!arguments.length) return x;
- x = z;
- resizes = d3_svg_brushResizes[!x << 1 | !y]; // fore!
- return brush;
- };
-
- brush.y = function(z) {
- if (!arguments.length) return y;
- y = z;
- resizes = d3_svg_brushResizes[!x << 1 | !y]; // fore!
- return brush;
- };
-
- brush.extent = function(z) {
- var x0, x1, y0, y1, t;
-
- // Invert the pixel extent to data-space.
- if (!arguments.length) {
- z = extentDomain || extent;
- if (x) {
- x0 = z[0][0], x1 = z[1][0];
- if (!extentDomain) {
- x0 = extent[0][0], x1 = extent[1][0];
- if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
- if (x1 < x0) t = x0, x0 = x1, x1 = t;
- }
- }
- if (y) {
- y0 = z[0][1], y1 = z[1][1];
- if (!extentDomain) {
- y0 = extent[0][1], y1 = extent[1][1];
- if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
- if (y1 < y0) t = y0, y0 = y1, y1 = t;
- }
- }
- return x && y ? [[x0, y0], [x1, y1]] : x ? [x0, x1] : y && [y0, y1];
- }
-
- // Scale the data-space extent to pixels.
- extentDomain = [[0, 0], [0, 0]];
- if (x) {
- x0 = z[0], x1 = z[1];
- if (y) x0 = x0[0], x1 = x1[0];
- extentDomain[0][0] = x0, extentDomain[1][0] = x1;
- if (x.invert) x0 = x(x0), x1 = x(x1);
- if (x1 < x0) t = x0, x0 = x1, x1 = t;
- extent[0][0] = x0 | 0, extent[1][0] = x1 | 0;
- }
- if (y) {
- y0 = z[0], y1 = z[1];
- if (x) y0 = y0[1], y1 = y1[1];
- extentDomain[0][1] = y0, extentDomain[1][1] = y1;
- if (y.invert) y0 = y(y0), y1 = y(y1);
- if (y1 < y0) t = y0, y0 = y1, y1 = t;
- extent[0][1] = y0 | 0, extent[1][1] = y1 | 0;
- }
-
- return brush;
- };
-
- brush.clear = function() {
- extentDomain = null;
- extent[0][0] =
- extent[0][1] =
- extent[1][0] =
- extent[1][1] = 0;
- return brush;
- };
-
- brush.empty = function() {
- return (x && extent[0][0] === extent[1][0])
- || (y && extent[0][1] === extent[1][1]);
- };
-
- return d3.rebind(brush, event, "on");
-};
-
-var d3_svg_brushCursor = {
- n: "ns-resize",
- e: "ew-resize",
- s: "ns-resize",
- w: "ew-resize",
- nw: "nwse-resize",
- ne: "nesw-resize",
- se: "nwse-resize",
- sw: "nesw-resize"
-};
-
-var d3_svg_brushResizes = [
- ["n", "e", "s", "w", "nw", "ne", "se", "sw"],
- ["e", "w"],
- ["n", "s"],
- []
-];
-d3.behavior = {};
-// TODO Track touch points by identifier.
-
-d3.behavior.drag = function() {
- var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"),
- origin = null;
-
- function drag() {
- this.on("mousedown.drag", mousedown)
- .on("touchstart.drag", mousedown);
- }
-
- function mousedown() {
- var target = this,
- event_ = event.of(target, arguments),
- eventTarget = d3.event.target,
- offset,
- origin_ = point(),
- moved = 0;
-
- var w = d3.select(window)
- .on("mousemove.drag", dragmove)
- .on("touchmove.drag", dragmove)
- .on("mouseup.drag", dragend, true)
- .on("touchend.drag", dragend, true);
-
- if (origin) {
- offset = origin.apply(target, arguments);
- offset = [offset.x - origin_[0], offset.y - origin_[1]];
- } else {
- offset = [0, 0];
- }
-
- d3_eventCancel();
- event_({type: "dragstart"});
-
- function point() {
- var p = target.parentNode,
- t = d3.event.changedTouches;
- return t ? d3.touches(p, t)[0] : d3.mouse(p);
- }
-
- function dragmove() {
- if (!target.parentNode) return dragend(); // target removed from DOM
-
- var p = point(),
- dx = p[0] - origin_[0],
- dy = p[1] - origin_[1];
-
- moved |= dx | dy;
- origin_ = p;
- d3_eventCancel();
-
- event_({type: "drag", x: p[0] + offset[0], y: p[1] + offset[1], dx: dx, dy: dy});
- }
-
- function dragend() {
- event_({type: "dragend"});
-
- // if moved, prevent the mouseup (and possibly click) from propagating
- if (moved) {
- d3_eventCancel();
- if (d3.event.target === eventTarget) w.on("click.drag", click, true);
- }
-
- w .on("mousemove.drag", null)
- .on("touchmove.drag", null)
- .on("mouseup.drag", null)
- .on("touchend.drag", null);
- }
-
- // prevent the subsequent click from propagating (e.g., for anchors)
- function click() {
- d3_eventCancel();
- w.on("click.drag", null);
- }
- }
-
- drag.origin = function(x) {
- if (!arguments.length) return origin;
- origin = x;
- return drag;
- };
-
- return d3.rebind(drag, event, "on");
-};
-d3.behavior.zoom = function() {
- var translate = [0, 0],
- translate0, // translate when we started zooming (to avoid drift)
- scale = 1,
- scale0, // scale when we started touching
- scaleExtent = d3_behavior_zoomInfinity,
- event = d3_eventDispatch(zoom, "zoom"),
- x0,
- x1,
- y0,
- y1,
- touchtime; // time of last touchstart (to detect double-tap)
-
- function zoom() {
- this
- .on("mousedown.zoom", mousedown)
- .on("mousewheel.zoom", mousewheel)
- .on("mousemove.zoom", mousemove)
- .on("DOMMouseScroll.zoom", mousewheel)
- .on("dblclick.zoom", dblclick)
- .on("touchstart.zoom", touchstart)
- .on("touchmove.zoom", touchmove)
- .on("touchend.zoom", touchstart);
- }
-
- zoom.translate = function(x) {
- if (!arguments.length) return translate;
- translate = x.map(Number);
- return zoom;
- };
-
- zoom.scale = function(x) {
- if (!arguments.length) return scale;
- scale = +x;
- return zoom;
- };
-
- zoom.scaleExtent = function(x) {
- if (!arguments.length) return scaleExtent;
- scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number);
- return zoom;
- };
-
- zoom.x = function(z) {
- if (!arguments.length) return x1;
- x1 = z;
- x0 = z.copy();
- return zoom;
- };
-
- zoom.y = function(z) {
- if (!arguments.length) return y1;
- y1 = z;
- y0 = z.copy();
- return zoom;
- };
-
- function location(p) {
- return [(p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale];
- }
-
- function point(l) {
- return [l[0] * scale + translate[0], l[1] * scale + translate[1]];
- }
-
- function scaleTo(s) {
- scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
- }
-
- function translateTo(p, l) {
- l = point(l);
- translate[0] += p[0] - l[0];
- translate[1] += p[1] - l[1];
- }
-
- function dispatch(event) {
- if (x1) x1.domain(x0.range().map(function(x) { return (x - translate[0]) / scale; }).map(x0.invert));
- if (y1) y1.domain(y0.range().map(function(y) { return (y - translate[1]) / scale; }).map(y0.invert));
- d3.event.preventDefault();
- event({type: "zoom", scale: scale, translate: translate});
- }
-
- function mousedown() {
- var target = this,
- event_ = event.of(target, arguments),
- eventTarget = d3.event.target,
- moved = 0,
- w = d3.select(window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup),
- l = location(d3.mouse(target));
-
- window.focus();
- d3_eventCancel();
-
- function mousemove() {
- moved = 1;
- translateTo(d3.mouse(target), l);
- dispatch(event_);
- }
-
- function mouseup() {
- if (moved) d3_eventCancel();
- w.on("mousemove.zoom", null).on("mouseup.zoom", null);
- if (moved && d3.event.target === eventTarget) w.on("click.zoom", click, true);
- }
-
- function click() {
- d3_eventCancel();
- w.on("click.zoom", null);
- }
- }
-
- function mousewheel() {
- if (!translate0) translate0 = location(d3.mouse(this));
- scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale);
- translateTo(d3.mouse(this), translate0);
- dispatch(event.of(this, arguments));
- }
-
- function mousemove() {
- translate0 = null;
- }
-
- function dblclick() {
- var p = d3.mouse(this), l = location(p);
- scaleTo(d3.event.shiftKey ? scale / 2 : scale * 2);
- translateTo(p, l);
- dispatch(event.of(this, arguments));
- }
-
- function touchstart() {
- var touches = d3.touches(this),
- now = Date.now();
-
- scale0 = scale;
- translate0 = {};
- touches.forEach(function(t) { translate0[t.identifier] = location(t); });
- d3_eventCancel();
-
- if ((touches.length === 1) && (now - touchtime < 500)) { // dbltap
- var p = touches[0], l = location(touches[0]);
- scaleTo(scale * 2);
- translateTo(p, l);
- dispatch(event.of(this, arguments));
- }
- touchtime = now;
- }
-
- function touchmove() {
- var touches = d3.touches(this),
- p0 = touches[0],
- l0 = translate0[p0.identifier];
- if (p1 = touches[1]) {
- var p1, l1 = translate0[p1.identifier];
- p0 = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2];
- l0 = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];
- scaleTo(d3.event.scale * scale0);
- }
- translateTo(p0, l0);
- dispatch(event.of(this, arguments));
- }
-
- return d3.rebind(zoom, event, "on");
-};
-
-var d3_behavior_zoomDiv, // for interpreting mousewheel events
- d3_behavior_zoomInfinity = [0, Infinity]; // default scale extent
-
-function d3_behavior_zoomDelta() {
-
- // mousewheel events are totally broken!
- // https://bugs.webkit.org/show_bug.cgi?id=40441
- // not only that, but Chrome and Safari differ in re. to acceleration!
- if (!d3_behavior_zoomDiv) {
- d3_behavior_zoomDiv = d3.select("body").append("div")
- .style("visibility", "hidden")
- .style("top", 0)
- .style("height", 0)
- .style("width", 0)
- .style("overflow-y", "scroll")
- .append("div")
- .style("height", "2000px")
- .node().parentNode;
- }
-
- var e = d3.event, delta;
- try {
- d3_behavior_zoomDiv.scrollTop = 1000;
- d3_behavior_zoomDiv.dispatchEvent(e);
- delta = 1000 - d3_behavior_zoomDiv.scrollTop;
- } catch (error) {
- delta = e.wheelDelta || (-e.detail * 5);
- }
-
- return delta;
-}
-d3.layout = {};
-// Implements hierarchical edge bundling using Holten's algorithm. For each
-// input link, a path is computed that travels through the tree, up the parent
-// hierarchy to the least common ancestor, and then back down to the destination
-// node. Each path is simply an array of nodes.
-d3.layout.bundle = function() {
- return function(links) {
- var paths = [],
- i = -1,
- n = links.length;
- while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
- return paths;
- };
-};
-
-function d3_layout_bundlePath(link) {
- var start = link.source,
- end = link.target,
- lca = d3_layout_bundleLeastCommonAncestor(start, end),
- points = [start];
- while (start !== lca) {
- start = start.parent;
- points.push(start);
- }
- var k = points.length;
- while (end !== lca) {
- points.splice(k, 0, end);
- end = end.parent;
- }
- return points;
-}
-
-function d3_layout_bundleAncestors(node) {
- var ancestors = [],
- parent = node.parent;
- while (parent != null) {
- ancestors.push(node);
- node = parent;
- parent = parent.parent;
- }
- ancestors.push(node);
- return ancestors;
-}
-
-function d3_layout_bundleLeastCommonAncestor(a, b) {
- if (a === b) return a;
- var aNodes = d3_layout_bundleAncestors(a),
- bNodes = d3_layout_bundleAncestors(b),
- aNode = aNodes.pop(),
- bNode = bNodes.pop(),
- sharedNode = null;
- while (aNode === bNode) {
- sharedNode = aNode;
- aNode = aNodes.pop();
- bNode = bNodes.pop();
- }
- return sharedNode;
-}
-d3.layout.chord = function() {
- var chord = {},
- chords,
- groups,
- matrix,
- n,
- padding = 0,
- sortGroups,
- sortSubgroups,
- sortChords;
-
- function relayout() {
- var subgroups = {},
- groupSums = [],
- groupIndex = d3.range(n),
- subgroupIndex = [],
- k,
- x,
- x0,
- i,
- j;
-
- chords = [];
- groups = [];
-
- // Compute the sum.
- k = 0, i = -1; while (++i < n) {
- x = 0, j = -1; while (++j < n) {
- x += matrix[i][j];
- }
- groupSums.push(x);
- subgroupIndex.push(d3.range(n));
- k += x;
- }
-
- // Sort groups…
- if (sortGroups) {
- groupIndex.sort(function(a, b) {
- return sortGroups(groupSums[a], groupSums[b]);
- });
- }
-
- // Sort subgroups…
- if (sortSubgroups) {
- subgroupIndex.forEach(function(d, i) {
- d.sort(function(a, b) {
- return sortSubgroups(matrix[i][a], matrix[i][b]);
- });
- });
- }
-
- // Convert the sum to scaling factor for [0, 2pi].
- // TODO Allow start and end angle to be specified.
- // TODO Allow padding to be specified as percentage?
- k = (2 * Math.PI - padding * n) / k;
-
- // Compute the start and end angle for each group and subgroup.
- // Note: Opera has a bug reordering object literal properties!
- x = 0, i = -1; while (++i < n) {
- x0 = x, j = -1; while (++j < n) {
- var di = groupIndex[i],
- dj = subgroupIndex[di][j],
- v = matrix[di][dj],
- a0 = x,
- a1 = x += v * k;
- subgroups[di + "-" + dj] = {
- index: di,
- subindex: dj,
- startAngle: a0,
- endAngle: a1,
- value: v
- };
- }
- groups[di] = {
- index: di,
- startAngle: x0,
- endAngle: x,
- value: (x - x0) / k
- };
- x += padding;
- }
-
- // Generate chords for each (non-empty) subgroup-subgroup link.
- i = -1; while (++i < n) {
- j = i - 1; while (++j < n) {
- var source = subgroups[i + "-" + j],
- target = subgroups[j + "-" + i];
- if (source.value || target.value) {
- chords.push(source.value < target.value
- ? {source: target, target: source}
- : {source: source, target: target});
- }
- }
- }
-
- if (sortChords) resort();
- }
-
- function resort() {
- chords.sort(function(a, b) {
- return sortChords(
- (a.source.value + a.target.value) / 2,
- (b.source.value + b.target.value) / 2);
- });
- }
-
- chord.matrix = function(x) {
- if (!arguments.length) return matrix;
- n = (matrix = x) && matrix.length;
- chords = groups = null;
- return chord;
- };
-
- chord.padding = function(x) {
- if (!arguments.length) return padding;
- padding = x;
- chords = groups = null;
- return chord;
- };
-
- chord.sortGroups = function(x) {
- if (!arguments.length) return sortGroups;
- sortGroups = x;
- chords = groups = null;
- return chord;
- };
-
- chord.sortSubgroups = function(x) {
- if (!arguments.length) return sortSubgroups;
- sortSubgroups = x;
- chords = null;
- return chord;
- };
-
- chord.sortChords = function(x) {
- if (!arguments.length) return sortChords;
- sortChords = x;
- if (chords) resort();
- return chord;
- };
-
- chord.chords = function() {
- if (!chords) relayout();
- return chords;
- };
-
- chord.groups = function() {
- if (!groups) relayout();
- return groups;
- };
-
- return chord;
-};
-// A rudimentary force layout using Gauss-Seidel.
-d3.layout.force = function() {
- var force = {},
- event = d3.dispatch("start", "tick", "end"),
- size = [1, 1],
- drag,
- alpha,
- friction = .9,
- linkDistance = d3_layout_forceLinkDistance,
- linkStrength = d3_layout_forceLinkStrength,
- charge = -30,
- gravity = .1,
- theta = .8,
- interval,
- nodes = [],
- links = [],
- distances,
- strengths,
- charges;
-
- function repulse(node) {
- return function(quad, x1, y1, x2, y2) {
- if (quad.point !== node) {
- var dx = quad.cx - node.x,
- dy = quad.cy - node.y,
- dn = 1 / Math.sqrt(dx * dx + dy * dy);
-
- /* Barnes-Hut criterion. */
- if ((x2 - x1) * dn < theta) {
- var k = quad.charge * dn * dn;
- node.px -= dx * k;
- node.py -= dy * k;
- return true;
- }
-
- if (quad.point && isFinite(dn)) {
- var k = quad.pointCharge * dn * dn;
- node.px -= dx * k;
- node.py -= dy * k;
- }
- }
- return !quad.charge;
- };
- }
-
- force.tick = function() {
- // simulated annealing, basically
- if ((alpha *= .99) < .005) {
- event.end({type: "end", alpha: alpha = 0});
- return true;
- }
-
- var n = nodes.length,
- m = links.length,
- q,
- i, // current index
- o, // current object
- s, // current source
- t, // current target
- l, // current distance
- k, // current force
- x, // x-distance
- y; // y-distance
-
- // gauss-seidel relaxation for links
- for (i = 0; i < m; ++i) {
- o = links[i];
- s = o.source;
- t = o.target;
- x = t.x - s.x;
- y = t.y - s.y;
- if (l = (x * x + y * y)) {
- l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
- x *= l;
- y *= l;
- t.x -= x * (k = s.weight / (t.weight + s.weight));
- t.y -= y * k;
- s.x += x * (k = 1 - k);
- s.y += y * k;
- }
- }
-
- // apply gravity forces
- if (k = alpha * gravity) {
- x = size[0] / 2;
- y = size[1] / 2;
- i = -1; if (k) while (++i < n) {
- o = nodes[i];
- o.x += (x - o.x) * k;
- o.y += (y - o.y) * k;
- }
- }
-
- // compute quadtree center of mass and apply charge forces
- if (charge) {
- d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
- i = -1; while (++i < n) {
- if (!(o = nodes[i]).fixed) {
- q.visit(repulse(o));
- }
- }
- }
-
- // position verlet integration
- i = -1; while (++i < n) {
- o = nodes[i];
- if (o.fixed) {
- o.x = o.px;
- o.y = o.py;
- } else {
- o.x -= (o.px - (o.px = o.x)) * friction;
- o.y -= (o.py - (o.py = o.y)) * friction;
- }
- }
-
- event.tick({type: "tick", alpha: alpha});
- };
-
- force.nodes = function(x) {
- if (!arguments.length) return nodes;
- nodes = x;
- return force;
- };
-
- force.links = function(x) {
- if (!arguments.length) return links;
- links = x;
- return force;
- };
-
- force.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return force;
- };
-
- force.linkDistance = function(x) {
- if (!arguments.length) return linkDistance;
- linkDistance = d3_functor(x);
- return force;
- };
-
- // For backwards-compatibility.
- force.distance = force.linkDistance;
-
- force.linkStrength = function(x) {
- if (!arguments.length) return linkStrength;
- linkStrength = d3_functor(x);
- return force;
- };
-
- force.friction = function(x) {
- if (!arguments.length) return friction;
- friction = x;
- return force;
- };
-
- force.charge = function(x) {
- if (!arguments.length) return charge;
- charge = typeof x === "function" ? x : +x;
- return force;
- };
-
- force.gravity = function(x) {
- if (!arguments.length) return gravity;
- gravity = x;
- return force;
- };
-
- force.theta = function(x) {
- if (!arguments.length) return theta;
- theta = x;
- return force;
- };
-
- force.alpha = function(x) {
- if (!arguments.length) return alpha;
-
- if (alpha) { // if we're already running
- if (x > 0) alpha = x; // we might keep it hot
- else alpha = 0; // or, next tick will dispatch "end"
- } else if (x > 0) { // otherwise, fire it up!
- event.start({type: "start", alpha: alpha = x});
- d3.timer(force.tick);
- }
-
- return force;
- };
-
- force.start = function() {
- var i,
- j,
- n = nodes.length,
- m = links.length,
- w = size[0],
- h = size[1],
- neighbors,
- o;
-
- for (i = 0; i < n; ++i) {
- (o = nodes[i]).index = i;
- o.weight = 0;
- }
-
- distances = [];
- strengths = [];
- for (i = 0; i < m; ++i) {
- o = links[i];
- if (typeof o.source == "number") o.source = nodes[o.source];
- if (typeof o.target == "number") o.target = nodes[o.target];
- distances[i] = linkDistance.call(this, o, i);
- strengths[i] = linkStrength.call(this, o, i);
- ++o.source.weight;
- ++o.target.weight;
- }
-
- for (i = 0; i < n; ++i) {
- o = nodes[i];
- if (isNaN(o.x)) o.x = position("x", w);
- if (isNaN(o.y)) o.y = position("y", h);
- if (isNaN(o.px)) o.px = o.x;
- if (isNaN(o.py)) o.py = o.y;
- }
-
- charges = [];
- if (typeof charge === "function") {
- for (i = 0; i < n; ++i) {
- charges[i] = +charge.call(this, nodes[i], i);
- }
- } else {
- for (i = 0; i < n; ++i) {
- charges[i] = charge;
- }
- }
-
- // initialize node position based on first neighbor
- function position(dimension, size) {
- var neighbors = neighbor(i),
- j = -1,
- m = neighbors.length,
- x;
- while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x;
- return Math.random() * size;
- }
-
- // initialize neighbors lazily
- function neighbor() {
- if (!neighbors) {
- neighbors = [];
- for (j = 0; j < n; ++j) {
- neighbors[j] = [];
- }
- for (j = 0; j < m; ++j) {
- var o = links[j];
- neighbors[o.source.index].push(o.target);
- neighbors[o.target.index].push(o.source);
- }
- }
- return neighbors[i];
- }
-
- return force.resume();
- };
-
- force.resume = function() {
- return force.alpha(.1);
- };
-
- force.stop = function() {
- return force.alpha(0);
- };
-
- // use `node.call(force.drag)` to make nodes draggable
- force.drag = function() {
- if (!drag) drag = d3.behavior.drag()
- .origin(d3_identity)
- .on("dragstart", dragstart)
- .on("drag", d3_layout_forceDrag)
- .on("dragend", d3_layout_forceDragEnd);
-
- this.on("mouseover.force", d3_layout_forceDragOver)
- .on("mouseout.force", d3_layout_forceDragOut)
- .call(drag);
- };
-
- function dragstart(d) {
- d3_layout_forceDragOver(d3_layout_forceDragNode = d);
- d3_layout_forceDragForce = force;
- }
-
- return d3.rebind(force, event, "on");
-};
-
-var d3_layout_forceDragForce,
- d3_layout_forceDragNode;
-
-function d3_layout_forceDragOver(d) {
- d.fixed |= 2;
-}
-
-function d3_layout_forceDragOut(d) {
- if (d !== d3_layout_forceDragNode) d.fixed &= 1;
-}
-
-function d3_layout_forceDragEnd() {
- d3_layout_forceDragNode.fixed &= 1;
- d3_layout_forceDragForce = d3_layout_forceDragNode = null;
-}
-
-function d3_layout_forceDrag() {
- d3_layout_forceDragNode.px = d3.event.x;
- d3_layout_forceDragNode.py = d3.event.y;
- d3_layout_forceDragForce.resume(); // restart annealing
-}
-
-function d3_layout_forceAccumulate(quad, alpha, charges) {
- var cx = 0,
- cy = 0;
- quad.charge = 0;
- if (!quad.leaf) {
- var nodes = quad.nodes,
- n = nodes.length,
- i = -1,
- c;
- while (++i < n) {
- c = nodes[i];
- if (c == null) continue;
- d3_layout_forceAccumulate(c, alpha, charges);
- quad.charge += c.charge;
- cx += c.charge * c.cx;
- cy += c.charge * c.cy;
- }
- }
- if (quad.point) {
- // jitter internal nodes that are coincident
- if (!quad.leaf) {
- quad.point.x += Math.random() - .5;
- quad.point.y += Math.random() - .5;
- }
- var k = alpha * charges[quad.point.index];
- quad.charge += quad.pointCharge = k;
- cx += k * quad.point.x;
- cy += k * quad.point.y;
- }
- quad.cx = cx / quad.charge;
- quad.cy = cy / quad.charge;
-}
-
-function d3_layout_forceLinkDistance(link) {
- return 20;
-}
-
-function d3_layout_forceLinkStrength(link) {
- return 1;
-}
-d3.layout.partition = function() {
- var hierarchy = d3.layout.hierarchy(),
- size = [1, 1]; // width, height
-
- function position(node, x, dx, dy) {
- var children = node.children;
- node.x = x;
- node.y = node.depth * dy;
- node.dx = dx;
- node.dy = dy;
- if (children && (n = children.length)) {
- var i = -1,
- n,
- c,
- d;
- dx = node.value ? dx / node.value : 0;
- while (++i < n) {
- position(c = children[i], x, d = c.value * dx, dy);
- x += d;
- }
- }
- }
-
- function depth(node) {
- var children = node.children,
- d = 0;
- if (children && (n = children.length)) {
- var i = -1,
- n;
- while (++i < n) d = Math.max(d, depth(children[i]));
- }
- return 1 + d;
- }
-
- function partition(d, i) {
- var nodes = hierarchy.call(this, d, i);
- position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
- return nodes;
- }
-
- partition.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return partition;
- };
-
- return d3_layout_hierarchyRebind(partition, hierarchy);
-};
-d3.layout.pie = function() {
- var value = Number,
- sort = d3_layout_pieSortByValue,
- startAngle = 0,
- endAngle = 2 * Math.PI;
-
- function pie(data, i) {
-
- // Compute the numeric values for each data element.
- var values = data.map(function(d, i) { return +value.call(pie, d, i); });
-
- // Compute the start angle.
- var a = +(typeof startAngle === "function"
- ? startAngle.apply(this, arguments)
- : startAngle);
-
- // Compute the angular scale factor: from value to radians.
- var k = ((typeof endAngle === "function"
- ? endAngle.apply(this, arguments)
- : endAngle) - startAngle)
- / d3.sum(values);
-
- // Optionally sort the data.
- var index = d3.range(data.length);
- if (sort != null) index.sort(sort === d3_layout_pieSortByValue
- ? function(i, j) { return values[j] - values[i]; }
- : function(i, j) { return sort(data[i], data[j]); });
-
- // Compute the arcs!
- // They are stored in the original data's order.
- var arcs = [];
- index.forEach(function(i) {
- var d;
- arcs[i] = {
- data: data[i],
- value: d = values[i],
- startAngle: a,
- endAngle: a += d * k
- };
- });
- return arcs;
- }
-
- /**
- * Specifies the value function *x*, which returns a nonnegative numeric value
- * for each datum. The default value function is `Number`. The value function
- * is passed two arguments: the current datum and the current index.
- */
- pie.value = function(x) {
- if (!arguments.length) return value;
- value = x;
- return pie;
- };
-
- /**
- * Specifies a sort comparison operator *x*. The comparator is passed two data
- * elements from the data array, a and b; it returns a negative value if a is
- * less than b, a positive value if a is greater than b, and zero if a equals
- * b.
- */
- pie.sort = function(x) {
- if (!arguments.length) return sort;
- sort = x;
- return pie;
- };
-
- /**
- * Specifies the overall start angle of the pie chart. Defaults to 0. The
- * start angle can be specified either as a constant or as a function; in the
- * case of a function, it is evaluated once per array (as opposed to per
- * element).
- */
- pie.startAngle = function(x) {
- if (!arguments.length) return startAngle;
- startAngle = x;
- return pie;
- };
-
- /**
- * Specifies the overall end angle of the pie chart. Defaults to 2π. The
- * end angle can be specified either as a constant or as a function; in the
- * case of a function, it is evaluated once per array (as opposed to per
- * element).
- */
- pie.endAngle = function(x) {
- if (!arguments.length) return endAngle;
- endAngle = x;
- return pie;
- };
-
- return pie;
-};
-
-var d3_layout_pieSortByValue = {};
-// data is two-dimensional array of x,y; we populate y0
-d3.layout.stack = function() {
- var values = d3_identity,
- order = d3_layout_stackOrderDefault,
- offset = d3_layout_stackOffsetZero,
- out = d3_layout_stackOut,
- x = d3_layout_stackX,
- y = d3_layout_stackY;
-
- function stack(data, index) {
-
- // Convert series to canonical two-dimensional representation.
- var series = data.map(function(d, i) {
- return values.call(stack, d, i);
- });
-
- // Convert each series to canonical [[x,y]] representation.
- var points = series.map(function(d, i) {
- return d.map(function(v, i) {
- return [x.call(stack, v, i), y.call(stack, v, i)];
- });
- });
-
- // Compute the order of series, and permute them.
- var orders = order.call(stack, points, index);
- series = d3.permute(series, orders);
- points = d3.permute(points, orders);
-
- // Compute the baseline…
- var offsets = offset.call(stack, points, index);
-
- // And propagate it to other series.
- var n = series.length,
- m = series[0].length,
- i,
- j,
- o;
- for (j = 0; j < m; ++j) {
- out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
- for (i = 1; i < n; ++i) {
- out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
- }
- }
-
- return data;
- }
-
- stack.values = function(x) {
- if (!arguments.length) return values;
- values = x;
- return stack;
- };
-
- stack.order = function(x) {
- if (!arguments.length) return order;
- order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
- return stack;
- };
-
- stack.offset = function(x) {
- if (!arguments.length) return offset;
- offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
- return stack;
- };
-
- stack.x = function(z) {
- if (!arguments.length) return x;
- x = z;
- return stack;
- };
-
- stack.y = function(z) {
- if (!arguments.length) return y;
- y = z;
- return stack;
- };
-
- stack.out = function(z) {
- if (!arguments.length) return out;
- out = z;
- return stack;
- };
-
- return stack;
-}
-
-function d3_layout_stackX(d) {
- return d.x;
-}
-
-function d3_layout_stackY(d) {
- return d.y;
-}
-
-function d3_layout_stackOut(d, y0, y) {
- d.y0 = y0;
- d.y = y;
-}
-
-var d3_layout_stackOrders = d3.map({
-
- "inside-out": function(data) {
- var n = data.length,
- i,
- j,
- max = data.map(d3_layout_stackMaxIndex),
- sums = data.map(d3_layout_stackReduceSum),
- index = d3.range(n).sort(function(a, b) { return max[a] - max[b]; }),
- top = 0,
- bottom = 0,
- tops = [],
- bottoms = [];
- for (i = 0; i < n; ++i) {
- j = index[i];
- if (top < bottom) {
- top += sums[j];
- tops.push(j);
- } else {
- bottom += sums[j];
- bottoms.push(j);
- }
- }
- return bottoms.reverse().concat(tops);
- },
-
- "reverse": function(data) {
- return d3.range(data.length).reverse();
- },
-
- "default": d3_layout_stackOrderDefault
-
-});
-
-var d3_layout_stackOffsets = d3.map({
-
- "silhouette": function(data) {
- var n = data.length,
- m = data[0].length,
- sums = [],
- max = 0,
- i,
- j,
- o,
- y0 = [];
- for (j = 0; j < m; ++j) {
- for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
- if (o > max) max = o;
- sums.push(o);
- }
- for (j = 0; j < m; ++j) {
- y0[j] = (max - sums[j]) / 2;
- }
- return y0;
- },
-
- "wiggle": function(data) {
- var n = data.length,
- x = data[0],
- m = x.length,
- max = 0,
- i,
- j,
- k,
- s1,
- s2,
- s3,
- dx,
- o,
- o0,
- y0 = [];
- y0[0] = o = o0 = 0;
- for (j = 1; j < m; ++j) {
- for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
- for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
- for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
- s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
- }
- s2 += s3 * data[i][j][1];
- }
- y0[j] = o -= s1 ? s2 / s1 * dx : 0;
- if (o < o0) o0 = o;
- }
- for (j = 0; j < m; ++j) y0[j] -= o0;
- return y0;
- },
-
- "expand": function(data) {
- var n = data.length,
- m = data[0].length,
- k = 1 / n,
- i,
- j,
- o,
- y0 = [];
- for (j = 0; j < m; ++j) {
- for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
- if (o) for (i = 0; i < n; i++) data[i][j][1] /= o;
- else for (i = 0; i < n; i++) data[i][j][1] = k;
- }
- for (j = 0; j < m; ++j) y0[j] = 0;
- return y0;
- },
-
- "zero": d3_layout_stackOffsetZero
-
-});
-
-function d3_layout_stackOrderDefault(data) {
- return d3.range(data.length);
-}
-
-function d3_layout_stackOffsetZero(data) {
- var j = -1,
- m = data[0].length,
- y0 = [];
- while (++j < m) y0[j] = 0;
- return y0;
-}
-
-function d3_layout_stackMaxIndex(array) {
- var i = 1,
- j = 0,
- v = array[0][1],
- k,
- n = array.length;
- for (; i < n; ++i) {
- if ((k = array[i][1]) > v) {
- j = i;
- v = k;
- }
- }
- return j;
-}
-
-function d3_layout_stackReduceSum(d) {
- return d.reduce(d3_layout_stackSum, 0);
-}
-
-function d3_layout_stackSum(p, d) {
- return p + d[1];
-}
-d3.layout.histogram = function() {
- var frequency = true,
- valuer = Number,
- ranger = d3_layout_histogramRange,
- binner = d3_layout_histogramBinSturges;
-
- function histogram(data, i) {
- var bins = [],
- values = data.map(valuer, this),
- range = ranger.call(this, values, i),
- thresholds = binner.call(this, range, values, i),
- bin,
- i = -1,
- n = values.length,
- m = thresholds.length - 1,
- k = frequency ? 1 : 1 / n,
- x;
-
- // Initialize the bins.
- while (++i < m) {
- bin = bins[i] = [];
- bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
- bin.y = 0;
- }
-
- // Fill the bins, ignoring values outside the range.
- if (m > 0) {
- i = -1; while(++i < n) {
- x = values[i];
- if ((x >= range[0]) && (x <= range[1])) {
- bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
- bin.y += k;
- bin.push(data[i]);
- }
- }
- }
-
- return bins;
- }
-
- // Specifies how to extract a value from the associated data. The default
- // value function is `Number`, which is equivalent to the identity function.
- histogram.value = function(x) {
- if (!arguments.length) return valuer;
- valuer = x;
- return histogram;
- };
-
- // Specifies the range of the histogram. Values outside the specified range
- // will be ignored. The argument `x` may be specified either as a two-element
- // array representing the minimum and maximum value of the range, or as a
- // function that returns the range given the array of values and the current
- // index `i`. The default range is the extent (minimum and maximum) of the
- // values.
- histogram.range = function(x) {
- if (!arguments.length) return ranger;
- ranger = d3_functor(x);
- return histogram;
- };
-
- // Specifies how to bin values in the histogram. The argument `x` may be
- // specified as a number, in which case the range of values will be split
- // uniformly into the given number of bins. Or, `x` may be an array of
- // threshold values, defining the bins; the specified array must contain the
- // rightmost (upper) value, thus specifying n + 1 values for n bins. Or, `x`
- // may be a function which is evaluated, being passed the range, the array of
- // values, and the current index `i`, returning an array of thresholds. The
- // default bin function will divide the values into uniform bins using
- // Sturges' formula.
- histogram.bins = function(x) {
- if (!arguments.length) return binner;
- binner = typeof x === "number"
- ? function(range) { return d3_layout_histogramBinFixed(range, x); }
- : d3_functor(x);
- return histogram;
- };
-
- // Specifies whether the histogram's `y` value is a count (frequency) or a
- // probability (density). The default value is true.
- histogram.frequency = function(x) {
- if (!arguments.length) return frequency;
- frequency = !!x;
- return histogram;
- };
-
- return histogram;
-};
-
-function d3_layout_histogramBinSturges(range, values) {
- return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
-}
-
-function d3_layout_histogramBinFixed(range, n) {
- var x = -1,
- b = +range[0],
- m = (range[1] - b) / n,
- f = [];
- while (++x <= n) f[x] = m * x + b;
- return f;
-}
-
-function d3_layout_histogramRange(values) {
- return [d3.min(values), d3.max(values)];
-}
-d3.layout.hierarchy = function() {
- var sort = d3_layout_hierarchySort,
- children = d3_layout_hierarchyChildren,
- value = d3_layout_hierarchyValue;
-
- // Recursively compute the node depth and value.
- // Also converts the data representation into a standard hierarchy structure.
- function recurse(data, depth, nodes) {
- var childs = children.call(hierarchy, data, depth),
- node = d3_layout_hierarchyInline ? data : {data: data};
- node.depth = depth;
- nodes.push(node);
- if (childs && (n = childs.length)) {
- var i = -1,
- n,
- c = node.children = [],
- v = 0,
- j = depth + 1,
- d;
- while (++i < n) {
- d = recurse(childs[i], j, nodes);
- d.parent = node;
- c.push(d);
- v += d.value;
- }
- if (sort) c.sort(sort);
- if (value) node.value = v;
- } else if (value) {
- node.value = +value.call(hierarchy, data, depth) || 0;
- }
- return node;
- }
-
- // Recursively re-evaluates the node value.
- function revalue(node, depth) {
- var children = node.children,
- v = 0;
- if (children && (n = children.length)) {
- var i = -1,
- n,
- j = depth + 1;
- while (++i < n) v += revalue(children[i], j);
- } else if (value) {
- v = +value.call(hierarchy, d3_layout_hierarchyInline ? node : node.data, depth) || 0;
- }
- if (value) node.value = v;
- return v;
- }
-
- function hierarchy(d) {
- var nodes = [];
- recurse(d, 0, nodes);
- return nodes;
- }
-
- hierarchy.sort = function(x) {
- if (!arguments.length) return sort;
- sort = x;
- return hierarchy;
- };
-
- hierarchy.children = function(x) {
- if (!arguments.length) return children;
- children = x;
- return hierarchy;
- };
-
- hierarchy.value = function(x) {
- if (!arguments.length) return value;
- value = x;
- return hierarchy;
- };
-
- // Re-evaluates the `value` property for the specified hierarchy.
- hierarchy.revalue = function(root) {
- revalue(root, 0);
- return root;
- };
-
- return hierarchy;
-};
-
-// A method assignment helper for hierarchy subclasses.
-function d3_layout_hierarchyRebind(object, hierarchy) {
- d3.rebind(object, hierarchy, "sort", "children", "value");
-
- // Add an alias for links, for convenience.
- object.links = d3_layout_hierarchyLinks;
-
- // If the new API is used, enabling inlining.
- object.nodes = function(d) {
- d3_layout_hierarchyInline = true;
- return (object.nodes = object)(d);
- };
-
- return object;
-}
-
-function d3_layout_hierarchyChildren(d) {
- return d.children;
-}
-
-function d3_layout_hierarchyValue(d) {
- return d.value;
-}
-
-function d3_layout_hierarchySort(a, b) {
- return b.value - a.value;
-}
-
-// Returns an array source+target objects for the specified nodes.
-function d3_layout_hierarchyLinks(nodes) {
- return d3.merge(nodes.map(function(parent) {
- return (parent.children || []).map(function(child) {
- return {source: parent, target: child};
- });
- }));
-}
-
-// For backwards-compatibility, don't enable inlining by default.
-var d3_layout_hierarchyInline = false;
-d3.layout.pack = function() {
- var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort),
- size = [1, 1];
-
- function pack(d, i) {
- var nodes = hierarchy.call(this, d, i),
- root = nodes[0];
-
- // Recursively compute the layout.
- root.x = 0;
- root.y = 0;
- d3_layout_packTree(root);
-
- // Scale the layout to fit the requested size.
- var w = size[0],
- h = size[1],
- k = 1 / Math.max(2 * root.r / w, 2 * root.r / h);
- d3_layout_packTransform(root, w / 2, h / 2, k);
-
- return nodes;
- }
-
- pack.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return pack;
- };
-
- return d3_layout_hierarchyRebind(pack, hierarchy);
-};
-
-function d3_layout_packSort(a, b) {
- return a.value - b.value;
-}
-
-function d3_layout_packInsert(a, b) {
- var c = a._pack_next;
- a._pack_next = b;
- b._pack_prev = a;
- b._pack_next = c;
- c._pack_prev = b;
-}
-
-function d3_layout_packSplice(a, b) {
- a._pack_next = b;
- b._pack_prev = a;
-}
-
-function d3_layout_packIntersects(a, b) {
- var dx = b.x - a.x,
- dy = b.y - a.y,
- dr = a.r + b.r;
- return dr * dr - dx * dx - dy * dy > .001; // within epsilon
-}
-
-function d3_layout_packCircle(nodes) {
- var xMin = Infinity,
- xMax = -Infinity,
- yMin = Infinity,
- yMax = -Infinity,
- n = nodes.length,
- a, b, c, j, k;
-
- function bound(node) {
- xMin = Math.min(node.x - node.r, xMin);
- xMax = Math.max(node.x + node.r, xMax);
- yMin = Math.min(node.y - node.r, yMin);
- yMax = Math.max(node.y + node.r, yMax);
- }
-
- // Create node links.
- nodes.forEach(d3_layout_packLink);
-
- // Create first node.
- a = nodes[0];
- a.x = -a.r;
- a.y = 0;
- bound(a);
-
- // Create second node.
- if (n > 1) {
- b = nodes[1];
- b.x = b.r;
- b.y = 0;
- bound(b);
-
- // Create third node and build chain.
- if (n > 2) {
- c = nodes[2];
- d3_layout_packPlace(a, b, c);
- bound(c);
- d3_layout_packInsert(a, c);
- a._pack_prev = c;
- d3_layout_packInsert(c, b);
- b = a._pack_next;
-
- // Now iterate through the rest.
- for (var i = 3; i < n; i++) {
- d3_layout_packPlace(a, b, c = nodes[i]);
-
- // Search for the closest intersection.
- var isect = 0, s1 = 1, s2 = 1;
- for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
- if (d3_layout_packIntersects(j, c)) {
- isect = 1;
- break;
- }
- }
- if (isect == 1) {
- for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
- if (d3_layout_packIntersects(k, c)) {
- break;
- }
- }
- }
-
- // Update node chain.
- if (isect) {
- if (s1 < s2 || (s1 == s2 && b.r < a.r)) d3_layout_packSplice(a, b = j);
- else d3_layout_packSplice(a = k, b);
- i--;
- } else {
- d3_layout_packInsert(a, c);
- b = c;
- bound(c);
- }
- }
- }
- }
-
- // Re-center the circles and return the encompassing radius.
- var cx = (xMin + xMax) / 2,
- cy = (yMin + yMax) / 2,
- cr = 0;
- for (var i = 0; i < n; i++) {
- var node = nodes[i];
- node.x -= cx;
- node.y -= cy;
- cr = Math.max(cr, node.r + Math.sqrt(node.x * node.x + node.y * node.y));
- }
-
- // Remove node links.
- nodes.forEach(d3_layout_packUnlink);
-
- return cr;
-}
-
-function d3_layout_packLink(node) {
- node._pack_next = node._pack_prev = node;
-}
-
-function d3_layout_packUnlink(node) {
- delete node._pack_next;
- delete node._pack_prev;
-}
-
-function d3_layout_packTree(node) {
- var children = node.children;
- if (children && children.length) {
- children.forEach(d3_layout_packTree);
- node.r = d3_layout_packCircle(children);
- } else {
- node.r = Math.sqrt(node.value);
- }
-}
-
-function d3_layout_packTransform(node, x, y, k) {
- var children = node.children;
- node.x = (x += k * node.x);
- node.y = (y += k * node.y);
- node.r *= k;
- if (children) {
- var i = -1, n = children.length;
- while (++i < n) d3_layout_packTransform(children[i], x, y, k);
- }
-}
-
-function d3_layout_packPlace(a, b, c) {
- var db = a.r + c.r,
- dx = b.x - a.x,
- dy = b.y - a.y;
- if (db && (dx || dy)) {
- var da = b.r + c.r,
- dc = Math.sqrt(dx * dx + dy * dy),
- cos = Math.max(-1, Math.min(1, (db * db + dc * dc - da * da) / (2 * db * dc))),
- theta = Math.acos(cos),
- x = cos * (db /= dc),
- y = Math.sin(theta) * db;
- c.x = a.x + x * dx + y * dy;
- c.y = a.y + x * dy - y * dx;
- } else {
- c.x = a.x + db;
- c.y = a.y;
- }
-}
-// Implements a hierarchical layout using the cluster (or dendrogram)
-// algorithm.
-d3.layout.cluster = function() {
- var hierarchy = d3.layout.hierarchy().sort(null).value(null),
- separation = d3_layout_treeSeparation,
- size = [1, 1]; // width, height
-
- function cluster(d, i) {
- var nodes = hierarchy.call(this, d, i),
- root = nodes[0],
- previousNode,
- x = 0,
- kx,
- ky;
-
- // First walk, computing the initial x & y values.
- d3_layout_treeVisitAfter(root, function(node) {
- var children = node.children;
- if (children && children.length) {
- node.x = d3_layout_clusterX(children);
- node.y = d3_layout_clusterY(children);
- } else {
- node.x = previousNode ? x += separation(node, previousNode) : 0;
- node.y = 0;
- previousNode = node;
- }
- });
-
- // Compute the left-most, right-most, and depth-most nodes for extents.
- var left = d3_layout_clusterLeft(root),
- right = d3_layout_clusterRight(root),
- x0 = left.x - separation(left, right) / 2,
- x1 = right.x + separation(right, left) / 2;
-
- // Second walk, normalizing x & y to the desired size.
- d3_layout_treeVisitAfter(root, function(node) {
- node.x = (node.x - x0) / (x1 - x0) * size[0];
- node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
- });
-
- return nodes;
- }
-
- cluster.separation = function(x) {
- if (!arguments.length) return separation;
- separation = x;
- return cluster;
- };
-
- cluster.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return cluster;
- };
-
- return d3_layout_hierarchyRebind(cluster, hierarchy);
-};
-
-function d3_layout_clusterY(children) {
- return 1 + d3.max(children, function(child) {
- return child.y;
- });
-}
-
-function d3_layout_clusterX(children) {
- return children.reduce(function(x, child) {
- return x + child.x;
- }, 0) / children.length;
-}
-
-function d3_layout_clusterLeft(node) {
- var children = node.children;
- return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
-}
-
-function d3_layout_clusterRight(node) {
- var children = node.children, n;
- return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
-}
-// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm
-d3.layout.tree = function() {
- var hierarchy = d3.layout.hierarchy().sort(null).value(null),
- separation = d3_layout_treeSeparation,
- size = [1, 1]; // width, height
-
- function tree(d, i) {
- var nodes = hierarchy.call(this, d, i),
- root = nodes[0];
-
- function firstWalk(node, previousSibling) {
- var children = node.children,
- layout = node._tree;
- if (children && (n = children.length)) {
- var n,
- firstChild = children[0],
- previousChild,
- ancestor = firstChild,
- child,
- i = -1;
- while (++i < n) {
- child = children[i];
- firstWalk(child, previousChild);
- ancestor = apportion(child, previousChild, ancestor);
- previousChild = child;
- }
- d3_layout_treeShift(node);
- var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim);
- if (previousSibling) {
- layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
- layout.mod = layout.prelim - midpoint;
- } else {
- layout.prelim = midpoint;
- }
- } else {
- if (previousSibling) {
- layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
- }
- }
- }
-
- function secondWalk(node, x) {
- node.x = node._tree.prelim + x;
- var children = node.children;
- if (children && (n = children.length)) {
- var i = -1,
- n;
- x += node._tree.mod;
- while (++i < n) {
- secondWalk(children[i], x);
- }
- }
- }
-
- function apportion(node, previousSibling, ancestor) {
- if (previousSibling) {
- var vip = node,
- vop = node,
- vim = previousSibling,
- vom = node.parent.children[0],
- sip = vip._tree.mod,
- sop = vop._tree.mod,
- sim = vim._tree.mod,
- som = vom._tree.mod,
- shift;
- while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
- vom = d3_layout_treeLeft(vom);
- vop = d3_layout_treeRight(vop);
- vop._tree.ancestor = node;
- shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
- if (shift > 0) {
- d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
- sip += shift;
- sop += shift;
- }
- sim += vim._tree.mod;
- sip += vip._tree.mod;
- som += vom._tree.mod;
- sop += vop._tree.mod;
- }
- if (vim && !d3_layout_treeRight(vop)) {
- vop._tree.thread = vim;
- vop._tree.mod += sim - sop;
- }
- if (vip && !d3_layout_treeLeft(vom)) {
- vom._tree.thread = vip;
- vom._tree.mod += sip - som;
- ancestor = node;
- }
- }
- return ancestor;
- }
-
- // Initialize temporary layout variables.
- d3_layout_treeVisitAfter(root, function(node, previousSibling) {
- node._tree = {
- ancestor: node,
- prelim: 0,
- mod: 0,
- change: 0,
- shift: 0,
- number: previousSibling ? previousSibling._tree.number + 1 : 0
- };
- });
-
- // Compute the layout using Buchheim et al.'s algorithm.
- firstWalk(root);
- secondWalk(root, -root._tree.prelim);
-
- // Compute the left-most, right-most, and depth-most nodes for extents.
- var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost),
- right = d3_layout_treeSearch(root, d3_layout_treeRightmost),
- deep = d3_layout_treeSearch(root, d3_layout_treeDeepest),
- x0 = left.x - separation(left, right) / 2,
- x1 = right.x + separation(right, left) / 2,
- y1 = deep.depth || 1;
-
- // Clear temporary layout variables; transform x and y.
- d3_layout_treeVisitAfter(root, function(node) {
- node.x = (node.x - x0) / (x1 - x0) * size[0];
- node.y = node.depth / y1 * size[1];
- delete node._tree;
- });
-
- return nodes;
- }
-
- tree.separation = function(x) {
- if (!arguments.length) return separation;
- separation = x;
- return tree;
- };
-
- tree.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return tree;
- };
-
- return d3_layout_hierarchyRebind(tree, hierarchy);
-};
-
-function d3_layout_treeSeparation(a, b) {
- return a.parent == b.parent ? 1 : 2;
-}
-
-// function d3_layout_treeSeparationRadial(a, b) {
-// return (a.parent == b.parent ? 1 : 2) / a.depth;
-// }
-
-function d3_layout_treeLeft(node) {
- var children = node.children;
- return children && children.length ? children[0] : node._tree.thread;
-}
-
-function d3_layout_treeRight(node) {
- var children = node.children,
- n;
- return children && (n = children.length) ? children[n - 1] : node._tree.thread;
-}
-
-function d3_layout_treeSearch(node, compare) {
- var children = node.children;
- if (children && (n = children.length)) {
- var child,
- n,
- i = -1;
- while (++i < n) {
- if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
- node = child;
- }
- }
- }
- return node;
-}
-
-function d3_layout_treeRightmost(a, b) {
- return a.x - b.x;
-}
-
-function d3_layout_treeLeftmost(a, b) {
- return b.x - a.x;
-}
-
-function d3_layout_treeDeepest(a, b) {
- return a.depth - b.depth;
-}
-
-function d3_layout_treeVisitAfter(node, callback) {
- function visit(node, previousSibling) {
- var children = node.children;
- if (children && (n = children.length)) {
- var child,
- previousChild = null,
- i = -1,
- n;
- while (++i < n) {
- child = children[i];
- visit(child, previousChild);
- previousChild = child;
- }
- }
- callback(node, previousSibling);
- }
- visit(node, null);
-}
-
-function d3_layout_treeShift(node) {
- var shift = 0,
- change = 0,
- children = node.children,
- i = children.length,
- child;
- while (--i >= 0) {
- child = children[i]._tree;
- child.prelim += shift;
- child.mod += shift;
- shift += child.shift + (change += child.change);
- }
-}
-
-function d3_layout_treeMove(ancestor, node, shift) {
- ancestor = ancestor._tree;
- node = node._tree;
- var change = shift / (node.number - ancestor.number);
- ancestor.change += change;
- node.change -= change;
- node.shift += shift;
- node.prelim += shift;
- node.mod += shift;
-}
-
-function d3_layout_treeAncestor(vim, node, ancestor) {
- return vim._tree.ancestor.parent == node.parent
- ? vim._tree.ancestor
- : ancestor;
-}
-// Squarified Treemaps by Mark Bruls, Kees Huizing, and Jarke J. van Wijk
-// Modified to support a target aspect ratio by Jeff Heer
-d3.layout.treemap = function() {
- var hierarchy = d3.layout.hierarchy(),
- round = Math.round,
- size = [1, 1], // width, height
- padding = null,
- pad = d3_layout_treemapPadNull,
- sticky = false,
- stickies,
- ratio = 0.5 * (1 + Math.sqrt(5)); // golden ratio
-
- // Compute the area for each child based on value & scale.
- function scale(children, k) {
- var i = -1,
- n = children.length,
- child,
- area;
- while (++i < n) {
- area = (child = children[i]).value * (k < 0 ? 0 : k);
- child.area = isNaN(area) || area <= 0 ? 0 : area;
- }
- }
-
- // Recursively arranges the specified node's children into squarified rows.
- function squarify(node) {
- var children = node.children;
- if (children && children.length) {
- var rect = pad(node),
- row = [],
- remaining = children.slice(), // copy-on-write
- child,
- best = Infinity, // the best row score so far
- score, // the current row score
- u = Math.min(rect.dx, rect.dy), // initial orientation
- n;
- scale(remaining, rect.dx * rect.dy / node.value);
- row.area = 0;
- while ((n = remaining.length) > 0) {
- row.push(child = remaining[n - 1]);
- row.area += child.area;
- if ((score = worst(row, u)) <= best) { // continue with this orientation
- remaining.pop();
- best = score;
- } else { // abort, and try a different orientation
- row.area -= row.pop().area;
- position(row, u, rect, false);
- u = Math.min(rect.dx, rect.dy);
- row.length = row.area = 0;
- best = Infinity;
- }
- }
- if (row.length) {
- position(row, u, rect, true);
- row.length = row.area = 0;
- }
- children.forEach(squarify);
- }
- }
-
- // Recursively resizes the specified node's children into existing rows.
- // Preserves the existing layout!
- function stickify(node) {
- var children = node.children;
- if (children && children.length) {
- var rect = pad(node),
- remaining = children.slice(), // copy-on-write
- child,
- row = [];
- scale(remaining, rect.dx * rect.dy / node.value);
- row.area = 0;
- while (child = remaining.pop()) {
- row.push(child);
- row.area += child.area;
- if (child.z != null) {
- position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
- row.length = row.area = 0;
- }
- }
- children.forEach(stickify);
- }
- }
-
- // Computes the score for the specified row, as the worst aspect ratio.
- function worst(row, u) {
- var s = row.area,
- r,
- rmax = 0,
- rmin = Infinity,
- i = -1,
- n = row.length;
- while (++i < n) {
- if (!(r = row[i].area)) continue;
- if (r < rmin) rmin = r;
- if (r > rmax) rmax = r;
- }
- s *= s;
- u *= u;
- return s
- ? Math.max((u * rmax * ratio) / s, s / (u * rmin * ratio))
- : Infinity;
- }
-
- // Positions the specified row of nodes. Modifies `rect`.
- function position(row, u, rect, flush) {
- var i = -1,
- n = row.length,
- x = rect.x,
- y = rect.y,
- v = u ? round(row.area / u) : 0,
- o;
- if (u == rect.dx) { // horizontal subdivision
- if (flush || v > rect.dy) v = rect.dy; // over+underflow
- while (++i < n) {
- o = row[i];
- o.x = x;
- o.y = y;
- o.dy = v;
- x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
- }
- o.z = true;
- o.dx += rect.x + rect.dx - x; // rounding error
- rect.y += v;
- rect.dy -= v;
- } else { // vertical subdivision
- if (flush || v > rect.dx) v = rect.dx; // over+underflow
- while (++i < n) {
- o = row[i];
- o.x = x;
- o.y = y;
- o.dx = v;
- y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
- }
- o.z = false;
- o.dy += rect.y + rect.dy - y; // rounding error
- rect.x += v;
- rect.dx -= v;
- }
- }
-
- function treemap(d) {
- var nodes = stickies || hierarchy(d),
- root = nodes[0];
- root.x = 0;
- root.y = 0;
- root.dx = size[0];
- root.dy = size[1];
- if (stickies) hierarchy.revalue(root);
- scale([root], root.dx * root.dy / root.value);
- (stickies ? stickify : squarify)(root);
- if (sticky) stickies = nodes;
- return nodes;
- }
-
- treemap.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return treemap;
- };
-
- treemap.padding = function(x) {
- if (!arguments.length) return padding;
-
- function padFunction(node) {
- var p = x.call(treemap, node, node.depth);
- return p == null
- ? d3_layout_treemapPadNull(node)
- : d3_layout_treemapPad(node, typeof p === "number" ? [p, p, p, p] : p);
- }
-
- function padConstant(node) {
- return d3_layout_treemapPad(node, x);
- }
-
- var type;
- pad = (padding = x) == null ? d3_layout_treemapPadNull
- : (type = typeof x) === "function" ? padFunction
- : type === "number" ? (x = [x, x, x, x], padConstant)
- : padConstant;
- return treemap;
- };
-
- treemap.round = function(x) {
- if (!arguments.length) return round != Number;
- round = x ? Math.round : Number;
- return treemap;
- };
-
- treemap.sticky = function(x) {
- if (!arguments.length) return sticky;
- sticky = x;
- stickies = null;
- return treemap;
- };
-
- treemap.ratio = function(x) {
- if (!arguments.length) return ratio;
- ratio = x;
- return treemap;
- };
-
- return d3_layout_hierarchyRebind(treemap, hierarchy);
-};
-
-function d3_layout_treemapPadNull(node) {
- return {x: node.x, y: node.y, dx: node.dx, dy: node.dy};
-}
-
-function d3_layout_treemapPad(node, padding) {
- var x = node.x + padding[3],
- y = node.y + padding[0],
- dx = node.dx - padding[1] - padding[3],
- dy = node.dy - padding[0] - padding[2];
- if (dx < 0) { x += dx / 2; dx = 0; }
- if (dy < 0) { y += dy / 2; dy = 0; }
- return {x: x, y: y, dx: dx, dy: dy};
-}
-d3.csv = function(url, callback) {
- d3.text(url, "text/csv", function(text) {
- callback(text && d3.csv.parse(text));
- });
-};
-d3.csv.parse = function(text) {
- var header;
- return d3.csv.parseRows(text, function(row, i) {
- if (i) {
- var o = {}, j = -1, m = header.length;
- while (++j < m) o[header[j]] = row[j];
- return o;
- } else {
- header = row;
- return null;
- }
- });
-};
-
-d3.csv.parseRows = function(text, f) {
- var EOL = {}, // sentinel value for end-of-line
- EOF = {}, // sentinel value for end-of-file
- rows = [], // output rows
- re = /\r\n|[,\r\n]/g, // field separator regex
- n = 0, // the current line number
- t, // the current token
- eol; // is the current token followed by EOL?
-
- re.lastIndex = 0; // work-around bug in FF 3.6
-
- /** @private Returns the next token. */
- function token() {
- if (re.lastIndex >= text.length) return EOF; // special case: end of file
- if (eol) { eol = false; return EOL; } // special case: end of line
-
- // special case: quotes
- var j = re.lastIndex;
- if (text.charCodeAt(j) === 34) {
- var i = j;
- while (i++ < text.length) {
- if (text.charCodeAt(i) === 34) {
- if (text.charCodeAt(i + 1) !== 34) break;
- i++;
- }
- }
- re.lastIndex = i + 2;
- var c = text.charCodeAt(i + 1);
- if (c === 13) {
- eol = true;
- if (text.charCodeAt(i + 2) === 10) re.lastIndex++;
- } else if (c === 10) {
- eol = true;
- }
- return text.substring(j + 1, i).replace(/""/g, "\"");
- }
-
- // common case
- var m = re.exec(text);
- if (m) {
- eol = m[0].charCodeAt(0) !== 44;
- return text.substring(j, m.index);
- }
- re.lastIndex = text.length;
- return text.substring(j);
- }
-
- while ((t = token()) !== EOF) {
- var a = [];
- while ((t !== EOL) && (t !== EOF)) {
- a.push(t);
- t = token();
- }
- if (f && !(a = f(a, n++))) continue;
- rows.push(a);
- }
-
- return rows;
-};
-d3.csv.format = function(rows) {
- return rows.map(d3_csv_formatRow).join("\n");
-};
-
-function d3_csv_formatRow(row) {
- return row.map(d3_csv_formatValue).join(",");
-}
-
-function d3_csv_formatValue(text) {
- return /[",\n]/.test(text)
- ? "\"" + text.replace(/\"/g, "\"\"") + "\""
- : text;
-}
-d3.geo = {};
-
-var d3_geo_radians = Math.PI / 180;
-// TODO clip input coordinates on opposite hemisphere
-d3.geo.azimuthal = function() {
- var mode = "orthographic", // or stereographic, gnomonic, equidistant or equalarea
- origin,
- scale = 200,
- translate = [480, 250],
- x0,
- y0,
- cy0,
- sy0;
-
- function azimuthal(coordinates) {
- var x1 = coordinates[0] * d3_geo_radians - x0,
- y1 = coordinates[1] * d3_geo_radians,
- cx1 = Math.cos(x1),
- sx1 = Math.sin(x1),
- cy1 = Math.cos(y1),
- sy1 = Math.sin(y1),
- cc = mode !== "orthographic" ? sy0 * sy1 + cy0 * cy1 * cx1 : null,
- c,
- k = mode === "stereographic" ? 1 / (1 + cc)
- : mode === "gnomonic" ? 1 / cc
- : mode === "equidistant" ? (c = Math.acos(cc), c ? c / Math.sin(c) : 0)
- : mode === "equalarea" ? Math.sqrt(2 / (1 + cc))
- : 1,
- x = k * cy1 * sx1,
- y = k * (sy0 * cy1 * cx1 - cy0 * sy1);
- return [
- scale * x + translate[0],
- scale * y + translate[1]
- ];
- }
-
- azimuthal.invert = function(coordinates) {
- var x = (coordinates[0] - translate[0]) / scale,
- y = (coordinates[1] - translate[1]) / scale,
- p = Math.sqrt(x * x + y * y),
- c = mode === "stereographic" ? 2 * Math.atan(p)
- : mode === "gnomonic" ? Math.atan(p)
- : mode === "equidistant" ? p
- : mode === "equalarea" ? 2 * Math.asin(.5 * p)
- : Math.asin(p),
- sc = Math.sin(c),
- cc = Math.cos(c);
- return [
- (x0 + Math.atan2(x * sc, p * cy0 * cc + y * sy0 * sc)) / d3_geo_radians,
- Math.asin(cc * sy0 - (p ? (y * sc * cy0) / p : 0)) / d3_geo_radians
- ];
- };
-
- azimuthal.mode = function(x) {
- if (!arguments.length) return mode;
- mode = x + "";
- return azimuthal;
- };
-
- azimuthal.origin = function(x) {
- if (!arguments.length) return origin;
- origin = x;
- x0 = origin[0] * d3_geo_radians;
- y0 = origin[1] * d3_geo_radians;
- cy0 = Math.cos(y0);
- sy0 = Math.sin(y0);
- return azimuthal;
- };
-
- azimuthal.scale = function(x) {
- if (!arguments.length) return scale;
- scale = +x;
- return azimuthal;
- };
-
- azimuthal.translate = function(x) {
- if (!arguments.length) return translate;
- translate = [+x[0], +x[1]];
- return azimuthal;
- };
-
- return azimuthal.origin([0, 0]);
-};
-// Derived from Tom Carden's Albers implementation for Protovis.
-// http://gist.github.com/476238
-// http://mathworld.wolfram.com/AlbersEqual-AreaConicProjection.html
-
-d3.geo.albers = function() {
- var origin = [-98, 38],
- parallels = [29.5, 45.5],
- scale = 1000,
- translate = [480, 250],
- lng0, // d3_geo_radians * origin[0]
- n,
- C,
- p0;
-
- function albers(coordinates) {
- var t = n * (d3_geo_radians * coordinates[0] - lng0),
- p = Math.sqrt(C - 2 * n * Math.sin(d3_geo_radians * coordinates[1])) / n;
- return [
- scale * p * Math.sin(t) + translate[0],
- scale * (p * Math.cos(t) - p0) + translate[1]
- ];
- }
-
- albers.invert = function(coordinates) {
- var x = (coordinates[0] - translate[0]) / scale,
- y = (coordinates[1] - translate[1]) / scale,
- p0y = p0 + y,
- t = Math.atan2(x, p0y),
- p = Math.sqrt(x * x + p0y * p0y);
- return [
- (lng0 + t / n) / d3_geo_radians,
- Math.asin((C - p * p * n * n) / (2 * n)) / d3_geo_radians
- ];
- };
-
- function reload() {
- var phi1 = d3_geo_radians * parallels[0],
- phi2 = d3_geo_radians * parallels[1],
- lat0 = d3_geo_radians * origin[1],
- s = Math.sin(phi1),
- c = Math.cos(phi1);
- lng0 = d3_geo_radians * origin[0];
- n = .5 * (s + Math.sin(phi2));
- C = c * c + 2 * n * s;
- p0 = Math.sqrt(C - 2 * n * Math.sin(lat0)) / n;
- return albers;
- }
-
- albers.origin = function(x) {
- if (!arguments.length) return origin;
- origin = [+x[0], +x[1]];
- return reload();
- };
-
- albers.parallels = function(x) {
- if (!arguments.length) return parallels;
- parallels = [+x[0], +x[1]];
- return reload();
- };
-
- albers.scale = function(x) {
- if (!arguments.length) return scale;
- scale = +x;
- return albers;
- };
-
- albers.translate = function(x) {
- if (!arguments.length) return translate;
- translate = [+x[0], +x[1]];
- return albers;
- };
-
- return reload();
-};
-
-// A composite projection for the United States, 960x500. The set of standard
-// parallels for each region comes from USGS, which is published here:
-// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers
-// TODO allow the composite projection to be rescaled?
-d3.geo.albersUsa = function() {
- var lower48 = d3.geo.albers();
-
- var alaska = d3.geo.albers()
- .origin([-160, 60])
- .parallels([55, 65]);
-
- var hawaii = d3.geo.albers()
- .origin([-160, 20])
- .parallels([8, 18]);
-
- var puertoRico = d3.geo.albers()
- .origin([-60, 10])
- .parallels([8, 18]);
-
- function albersUsa(coordinates) {
- var lon = coordinates[0],
- lat = coordinates[1];
- return (lat > 50 ? alaska
- : lon < -140 ? hawaii
- : lat < 21 ? puertoRico
- : lower48)(coordinates);
- }
-
- albersUsa.scale = function(x) {
- if (!arguments.length) return lower48.scale();
- lower48.scale(x);
- alaska.scale(x * .6);
- hawaii.scale(x);
- puertoRico.scale(x * 1.5);
- return albersUsa.translate(lower48.translate());
- };
-
- albersUsa.translate = function(x) {
- if (!arguments.length) return lower48.translate();
- var dz = lower48.scale() / 1000,
- dx = x[0],
- dy = x[1];
- lower48.translate(x);
- alaska.translate([dx - 400 * dz, dy + 170 * dz]);
- hawaii.translate([dx - 190 * dz, dy + 200 * dz]);
- puertoRico.translate([dx + 580 * dz, dy + 430 * dz]);
- return albersUsa;
- };
-
- return albersUsa.scale(lower48.scale());
-};
-d3.geo.bonne = function() {
- var scale = 200,
- translate = [480, 250],
- x0, // origin longitude in radians
- y0, // origin latitude in radians
- y1, // parallel latitude in radians
- c1; // cot(y1)
-
- function bonne(coordinates) {
- var x = coordinates[0] * d3_geo_radians - x0,
- y = coordinates[1] * d3_geo_radians - y0;
- if (y1) {
- var p = c1 + y1 - y, E = x * Math.cos(y) / p;
- x = p * Math.sin(E);
- y = p * Math.cos(E) - c1;
- } else {
- x *= Math.cos(y);
- y *= -1;
- }
- return [
- scale * x + translate[0],
- scale * y + translate[1]
- ];
- }
-
- bonne.invert = function(coordinates) {
- var x = (coordinates[0] - translate[0]) / scale,
- y = (coordinates[1] - translate[1]) / scale;
- if (y1) {
- var c = c1 + y, p = Math.sqrt(x * x + c * c);
- y = c1 + y1 - p;
- x = x0 + p * Math.atan2(x, c) / Math.cos(y);
- } else {
- y *= -1;
- x /= Math.cos(y);
- }
- return [
- x / d3_geo_radians,
- y / d3_geo_radians
- ];
- };
-
- // 90° for Werner, 0° for Sinusoidal
- bonne.parallel = function(x) {
- if (!arguments.length) return y1 / d3_geo_radians;
- c1 = 1 / Math.tan(y1 = x * d3_geo_radians);
- return bonne;
- };
-
- bonne.origin = function(x) {
- if (!arguments.length) return [x0 / d3_geo_radians, y0 / d3_geo_radians];
- x0 = x[0] * d3_geo_radians;
- y0 = x[1] * d3_geo_radians;
- return bonne;
- };
-
- bonne.scale = function(x) {
- if (!arguments.length) return scale;
- scale = +x;
- return bonne;
- };
-
- bonne.translate = function(x) {
- if (!arguments.length) return translate;
- translate = [+x[0], +x[1]];
- return bonne;
- };
-
- return bonne.origin([0, 0]).parallel(45);
-};
-d3.geo.equirectangular = function() {
- var scale = 500,
- translate = [480, 250];
-
- function equirectangular(coordinates) {
- var x = coordinates[0] / 360,
- y = -coordinates[1] / 360;
- return [
- scale * x + translate[0],
- scale * y + translate[1]
- ];
- }
-
- equirectangular.invert = function(coordinates) {
- var x = (coordinates[0] - translate[0]) / scale,
- y = (coordinates[1] - translate[1]) / scale;
- return [
- 360 * x,
- -360 * y
- ];
- };
-
- equirectangular.scale = function(x) {
- if (!arguments.length) return scale;
- scale = +x;
- return equirectangular;
- };
-
- equirectangular.translate = function(x) {
- if (!arguments.length) return translate;
- translate = [+x[0], +x[1]];
- return equirectangular;
- };
-
- return equirectangular;
-};
-d3.geo.mercator = function() {
- var scale = 500,
- translate = [480, 250];
-
- function mercator(coordinates) {
- var x = coordinates[0] / 360,
- y = -(Math.log(Math.tan(Math.PI / 4 + coordinates[1] * d3_geo_radians / 2)) / d3_geo_radians) / 360;
- return [
- scale * x + translate[0],
- scale * Math.max(-.5, Math.min(.5, y)) + translate[1]
- ];
- }
-
- mercator.invert = function(coordinates) {
- var x = (coordinates[0] - translate[0]) / scale,
- y = (coordinates[1] - translate[1]) / scale;
- return [
- 360 * x,
- 2 * Math.atan(Math.exp(-360 * y * d3_geo_radians)) / d3_geo_radians - 90
- ];
- };
-
- mercator.scale = function(x) {
- if (!arguments.length) return scale;
- scale = +x;
- return mercator;
- };
-
- mercator.translate = function(x) {
- if (!arguments.length) return translate;
- translate = [+x[0], +x[1]];
- return mercator;
- };
-
- return mercator;
-};
-function d3_geo_type(types, defaultValue) {
- return function(object) {
- return object && types.hasOwnProperty(object.type) ? types[object.type](object) : defaultValue;
- };
-}
-/**
- * Returns a function that, given a GeoJSON object (e.g., a feature), returns
- * the corresponding SVG path. The function can be customized by overriding the
- * projection. Point features are mapped to circles with a default radius of
- * 4.5px; the radius can be specified either as a constant or a function that
- * is evaluated per object.
- */
-d3.geo.path = function() {
- var pointRadius = 4.5,
- pointCircle = d3_path_circle(pointRadius),
- projection = d3.geo.albersUsa(),
- buffer = [];
-
- function path(d, i) {
- if (typeof pointRadius === "function") pointCircle = d3_path_circle(pointRadius.apply(this, arguments));
- pathType(d);
- var result = buffer.length ? buffer.join("") : null;
- buffer = [];
- return result;
- }
-
- function project(coordinates) {
- return projection(coordinates).join(",");
- }
-
- var pathType = d3_geo_type({
-
- FeatureCollection: function(o) {
- var features = o.features,
- i = -1, // features.index
- n = features.length;
- while (++i < n) buffer.push(pathType(features[i].geometry));
- },
-
- Feature: function(o) {
- pathType(o.geometry);
- },
-
- Point: function(o) {
- buffer.push("M", project(o.coordinates), pointCircle);
- },
-
- MultiPoint: function(o) {
- var coordinates = o.coordinates,
- i = -1, // coordinates.index
- n = coordinates.length;
- while (++i < n) buffer.push("M", project(coordinates[i]), pointCircle);
- },
-
- LineString: function(o) {
- var coordinates = o.coordinates,
- i = -1, // coordinates.index
- n = coordinates.length;
- buffer.push("M");
- while (++i < n) buffer.push(project(coordinates[i]), "L");
- buffer.pop();
- },
-
- MultiLineString: function(o) {
- var coordinates = o.coordinates,
- i = -1, // coordinates.index
- n = coordinates.length,
- subcoordinates, // coordinates[i]
- j, // subcoordinates.index
- m; // subcoordinates.length
- while (++i < n) {
- subcoordinates = coordinates[i];
- j = -1;
- m = subcoordinates.length;
- buffer.push("M");
- while (++j < m) buffer.push(project(subcoordinates[j]), "L");
- buffer.pop();
- }
- },
-
- Polygon: function(o) {
- var coordinates = o.coordinates,
- i = -1, // coordinates.index
- n = coordinates.length,
- subcoordinates, // coordinates[i]
- j, // subcoordinates.index
- m; // subcoordinates.length
- while (++i < n) {
- subcoordinates = coordinates[i];
- j = -1;
- if ((m = subcoordinates.length - 1) > 0) {
- buffer.push("M");
- while (++j < m) buffer.push(project(subcoordinates[j]), "L");
- buffer[buffer.length - 1] = "Z";
- }
- }
- },
-
- MultiPolygon: function(o) {
- var coordinates = o.coordinates,
- i = -1, // coordinates index
- n = coordinates.length,
- subcoordinates, // coordinates[i]
- j, // subcoordinates index
- m, // subcoordinates.length
- subsubcoordinates, // subcoordinates[j]
- k, // subsubcoordinates index
- p; // subsubcoordinates.length
- while (++i < n) {
- subcoordinates = coordinates[i];
- j = -1;
- m = subcoordinates.length;
- while (++j < m) {
- subsubcoordinates = subcoordinates[j];
- k = -1;
- if ((p = subsubcoordinates.length - 1) > 0) {
- buffer.push("M");
- while (++k < p) buffer.push(project(subsubcoordinates[k]), "L");
- buffer[buffer.length - 1] = "Z";
- }
- }
- }
- },
-
- GeometryCollection: function(o) {
- var geometries = o.geometries,
- i = -1, // geometries index
- n = geometries.length;
- while (++i < n) buffer.push(pathType(geometries[i]));
- }
-
- });
-
- var areaType = path.area = d3_geo_type({
-
- FeatureCollection: function(o) {
- var area = 0,
- features = o.features,
- i = -1, // features.index
- n = features.length;
- while (++i < n) area += areaType(features[i]);
- return area;
- },
-
- Feature: function(o) {
- return areaType(o.geometry);
- },
-
- Polygon: function(o) {
- return polygonArea(o.coordinates);
- },
-
- MultiPolygon: function(o) {
- var sum = 0,
- coordinates = o.coordinates,
- i = -1, // coordinates index
- n = coordinates.length;
- while (++i < n) sum += polygonArea(coordinates[i]);
- return sum;
- },
-
- GeometryCollection: function(o) {
- var sum = 0,
- geometries = o.geometries,
- i = -1, // geometries index
- n = geometries.length;
- while (++i < n) sum += areaType(geometries[i]);
- return sum;
- }
-
- }, 0);
-
- function polygonArea(coordinates) {
- var sum = area(coordinates[0]), // exterior ring
- i = 0, // coordinates.index
- n = coordinates.length;
- while (++i < n) sum -= area(coordinates[i]); // holes
- return sum;
- }
-
- function polygonCentroid(coordinates) {
- var polygon = d3.geom.polygon(coordinates[0].map(projection)), // exterior ring
- area = polygon.area(),
- centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1),
- x = centroid[0],
- y = centroid[1],
- z = area,
- i = 0, // coordinates index
- n = coordinates.length;
- while (++i < n) {
- polygon = d3.geom.polygon(coordinates[i].map(projection)); // holes
- area = polygon.area();
- centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1);
- x -= centroid[0];
- y -= centroid[1];
- z -= area;
- }
- return [x, y, 6 * z]; // weighted centroid
- }
-
- var centroidType = path.centroid = d3_geo_type({
-
- // TODO FeatureCollection
- // TODO Point
- // TODO MultiPoint
- // TODO LineString
- // TODO MultiLineString
- // TODO GeometryCollection
-
- Feature: function(o) {
- return centroidType(o.geometry);
- },
-
- Polygon: function(o) {
- var centroid = polygonCentroid(o.coordinates);
- return [centroid[0] / centroid[2], centroid[1] / centroid[2]];
- },
-
- MultiPolygon: function(o) {
- var area = 0,
- coordinates = o.coordinates,
- centroid,
- x = 0,
- y = 0,
- z = 0,
- i = -1, // coordinates index
- n = coordinates.length;
- while (++i < n) {
- centroid = polygonCentroid(coordinates[i]);
- x += centroid[0];
- y += centroid[1];
- z += centroid[2];
- }
- return [x / z, y / z];
- }
-
- });
-
- function area(coordinates) {
- return Math.abs(d3.geom.polygon(coordinates.map(projection)).area());
- }
-
- path.projection = function(x) {
- projection = x;
- return path;
- };
-
- path.pointRadius = function(x) {
- if (typeof x === "function") pointRadius = x;
- else {
- pointRadius = +x;
- pointCircle = d3_path_circle(pointRadius);
- }
- return path;
- };
-
- return path;
-};
-
-function d3_path_circle(radius) {
- return "m0," + radius
- + "a" + radius + "," + radius + " 0 1,1 0," + (-2 * radius)
- + "a" + radius + "," + radius + " 0 1,1 0," + (+2 * radius)
- + "z";
-}
-/**
- * Given a GeoJSON object, returns the corresponding bounding box. The bounding
- * box is represented by a two-dimensional array: [[left, bottom], [right,
- * top]], where left is the minimum longitude, bottom is the minimum latitude,
- * right is maximum longitude, and top is the maximum latitude.
- */
-d3.geo.bounds = function(feature) {
- var left = Infinity,
- bottom = Infinity,
- right = -Infinity,
- top = -Infinity;
- d3_geo_bounds(feature, function(x, y) {
- if (x < left) left = x;
- if (x > right) right = x;
- if (y < bottom) bottom = y;
- if (y > top) top = y;
- });
- return [[left, bottom], [right, top]];
-};
-
-function d3_geo_bounds(o, f) {
- if (d3_geo_boundsTypes.hasOwnProperty(o.type)) d3_geo_boundsTypes[o.type](o, f);
-}
-
-var d3_geo_boundsTypes = {
- Feature: d3_geo_boundsFeature,
- FeatureCollection: d3_geo_boundsFeatureCollection,
- GeometryCollection: d3_geo_boundsGeometryCollection,
- LineString: d3_geo_boundsLineString,
- MultiLineString: d3_geo_boundsMultiLineString,
- MultiPoint: d3_geo_boundsLineString,
- MultiPolygon: d3_geo_boundsMultiPolygon,
- Point: d3_geo_boundsPoint,
- Polygon: d3_geo_boundsPolygon
-};
-
-function d3_geo_boundsFeature(o, f) {
- d3_geo_bounds(o.geometry, f);
-}
-
-function d3_geo_boundsFeatureCollection(o, f) {
- for (var a = o.features, i = 0, n = a.length; i < n; i++) {
- d3_geo_bounds(a[i].geometry, f);
- }
-}
-
-function d3_geo_boundsGeometryCollection(o, f) {
- for (var a = o.geometries, i = 0, n = a.length; i < n; i++) {
- d3_geo_bounds(a[i], f);
- }
-}
-
-function d3_geo_boundsLineString(o, f) {
- for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
- f.apply(null, a[i]);
- }
-}
-
-function d3_geo_boundsMultiLineString(o, f) {
- for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
- for (var b = a[i], j = 0, m = b.length; j < m; j++) {
- f.apply(null, b[j]);
- }
- }
-}
-
-function d3_geo_boundsMultiPolygon(o, f) {
- for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
- for (var b = a[i][0], j = 0, m = b.length; j < m; j++) {
- f.apply(null, b[j]);
- }
- }
-}
-
-function d3_geo_boundsPoint(o, f) {
- f.apply(null, o.coordinates);
-}
-
-function d3_geo_boundsPolygon(o, f) {
- for (var a = o.coordinates[0], i = 0, n = a.length; i < n; i++) {
- f.apply(null, a[i]);
- }
-}
-// TODO breakAtDateLine?
-
-d3.geo.circle = function() {
- var origin = [0, 0],
- degrees = 90 - 1e-2,
- radians = degrees * d3_geo_radians,
- arc = d3.geo.greatArc().source(origin).target(d3_identity);
-
- function circle() {
- // TODO render a circle as a Polygon
- }
-
- function visible(point) {
- return arc.distance(point) < radians;
- }
-
- circle.clip = function(d) {
- if (typeof origin === "function") arc.source(origin.apply(this, arguments));
- return clipType(d) || null;
- };
-
- var clipType = d3_geo_type({
-
- FeatureCollection: function(o) {
- var features = o.features.map(clipType).filter(d3_identity);
- return features && (o = Object.create(o), o.features = features, o);
- },
-
- Feature: function(o) {
- var geometry = clipType(o.geometry);
- return geometry && (o = Object.create(o), o.geometry = geometry, o);
- },
-
- Point: function(o) {
- return visible(o.coordinates) && o;
- },
-
- MultiPoint: function(o) {
- var coordinates = o.coordinates.filter(visible);
- return coordinates.length && {
- type: o.type,
- coordinates: coordinates
- };
- },
-
- LineString: function(o) {
- var coordinates = clip(o.coordinates);
- return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
- },
-
- MultiLineString: function(o) {
- var coordinates = o.coordinates.map(clip).filter(function(d) { return d.length; });
- return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
- },
-
- Polygon: function(o) {
- var coordinates = o.coordinates.map(clip);
- return coordinates[0].length && (o = Object.create(o), o.coordinates = coordinates, o);
- },
-
- MultiPolygon: function(o) {
- var coordinates = o.coordinates.map(function(d) { return d.map(clip); }).filter(function(d) { return d[0].length; });
- return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
- },
-
- GeometryCollection: function(o) {
- var geometries = o.geometries.map(clipType).filter(d3_identity);
- return geometries.length && (o = Object.create(o), o.geometries = geometries, o);
- }
-
- });
-
- function clip(coordinates) {
- var i = -1,
- n = coordinates.length,
- clipped = [],
- p0,
- p1,
- p2,
- d0,
- d1;
-
- while (++i < n) {
- d1 = arc.distance(p2 = coordinates[i]);
- if (d1 < radians) {
- if (p1) clipped.push(d3_geo_greatArcInterpolate(p1, p2)((d0 - radians) / (d0 - d1)));
- clipped.push(p2);
- p0 = p1 = null;
- } else {
- p1 = p2;
- if (!p0 && clipped.length) {
- clipped.push(d3_geo_greatArcInterpolate(clipped[clipped.length - 1], p1)((radians - d0) / (d1 - d0)));
- p0 = p1;
- }
- }
- d0 = d1;
- }
-
- // Close the clipped polygon if necessary.
- p0 = coordinates[0];
- p1 = clipped[0];
- if (p1 && p2[0] === p0[0] && p2[1] === p0[1] && !(p2[0] === p1[0] && p2[1] === p1[1])) {
- clipped.push(p1);
- }
-
- return resample(clipped);
- }
-
- // Resample coordinates, creating great arcs between each.
- function resample(coordinates) {
- var i = 0,
- n = coordinates.length,
- j,
- m,
- resampled = n ? [coordinates[0]] : coordinates,
- resamples,
- origin = arc.source();
-
- while (++i < n) {
- resamples = arc.source(coordinates[i - 1])(coordinates[i]).coordinates;
- for (j = 0, m = resamples.length; ++j < m;) resampled.push(resamples[j]);
- }
-
- arc.source(origin);
- return resampled;
- }
-
- circle.origin = function(x) {
- if (!arguments.length) return origin;
- origin = x;
- if (typeof origin !== "function") arc.source(origin);
- return circle;
- };
-
- circle.angle = function(x) {
- if (!arguments.length) return degrees;
- radians = (degrees = +x) * d3_geo_radians;
- return circle;
- };
-
- return d3.rebind(circle, arc, "precision");
-}
-d3.geo.greatArc = function() {
- var source = d3_geo_greatArcSource, p0,
- target = d3_geo_greatArcTarget, p1,
- precision = 6 * d3_geo_radians,
- interpolate = d3_geo_greatArcInterpolator();
-
- function greatArc() {
- var d = greatArc.distance.apply(this, arguments), // initializes the interpolator, too
- t = 0,
- dt = precision / d,
- coordinates = [p0];
- while ((t += dt) < 1) coordinates.push(interpolate(t));
- coordinates.push(p1);
- return {type: "LineString", coordinates: coordinates};
- }
-
- // Length returned in radians; multiply by radius for distance.
- greatArc.distance = function() {
- if (typeof source === "function") interpolate.source(p0 = source.apply(this, arguments));
- if (typeof target === "function") interpolate.target(p1 = target.apply(this, arguments));
- return interpolate.distance();
- };
-
- greatArc.source = function(_) {
- if (!arguments.length) return source;
- source = _;
- if (typeof source !== "function") interpolate.source(p0 = source);
- return greatArc;
- };
-
- greatArc.target = function(_) {
- if (!arguments.length) return target;
- target = _;
- if (typeof target !== "function") interpolate.target(p1 = target);
- return greatArc;
- };
-
- // Precision is specified in degrees.
- greatArc.precision = function(_) {
- if (!arguments.length) return precision / d3_geo_radians;
- precision = _ * d3_geo_radians;
- return greatArc;
- };
-
- return greatArc;
-};
-
-function d3_geo_greatArcSource(d) {
- return d.source;
-}
-
-function d3_geo_greatArcTarget(d) {
- return d.target;
-}
-
-function d3_geo_greatArcInterpolator() {
- var x0, y0, cy0, sy0, kx0, ky0,
- x1, y1, cy1, sy1, kx1, ky1,
- d,
- k;
-
- function interpolate(t) {
- var B = Math.sin(t *= d) * k,
- A = Math.sin(d - t) * k,
- x = A * kx0 + B * kx1,
- y = A * ky0 + B * ky1,
- z = A * sy0 + B * sy1;
- return [
- Math.atan2(y, x) / d3_geo_radians,
- Math.atan2(z, Math.sqrt(x * x + y * y)) / d3_geo_radians
- ];
- }
-
- interpolate.distance = function() {
- if (d == null) k = 1 / Math.sin(d = Math.acos(Math.max(-1, Math.min(1, sy0 * sy1 + cy0 * cy1 * Math.cos(x1 - x0)))));
- return d;
- };
-
- interpolate.source = function(_) {
- var cx0 = Math.cos(x0 = _[0] * d3_geo_radians),
- sx0 = Math.sin(x0);
- cy0 = Math.cos(y0 = _[1] * d3_geo_radians);
- sy0 = Math.sin(y0);
- kx0 = cy0 * cx0;
- ky0 = cy0 * sx0;
- d = null;
- return interpolate;
- };
-
- interpolate.target = function(_) {
- var cx1 = Math.cos(x1 = _[0] * d3_geo_radians),
- sx1 = Math.sin(x1);
- cy1 = Math.cos(y1 = _[1] * d3_geo_radians);
- sy1 = Math.sin(y1);
- kx1 = cy1 * cx1;
- ky1 = cy1 * sx1;
- d = null;
- return interpolate;
- };
-
- return interpolate;
-}
-
-function d3_geo_greatArcInterpolate(a, b) {
- var i = d3_geo_greatArcInterpolator().source(a).target(b);
- i.distance();
- return i;
-}
-d3.geo.greatCircle = d3.geo.circle;
-d3.geom = {};
-/**
- * Computes a contour for a given input grid function using the <a
- * href="http://en.wikipedia.org/wiki/Marching_squares">marching
- * squares</a> algorithm. Returns the contour polygon as an array of points.
- *
- * @param grid a two-input function(x, y) that returns true for values
- * inside the contour and false for values outside the contour.
- * @param start an optional starting point [x, y] on the grid.
- * @returns polygon [[x1, y1], [x2, y2], …]
- */
-d3.geom.contour = function(grid, start) {
- var s = start || d3_geom_contourStart(grid), // starting point
- c = [], // contour polygon
- x = s[0], // current x position
- y = s[1], // current y position
- dx = 0, // next x direction
- dy = 0, // next y direction
- pdx = NaN, // previous x direction
- pdy = NaN, // previous y direction
- i = 0;
-
- do {
- // determine marching squares index
- i = 0;
- if (grid(x-1, y-1)) i += 1;
- if (grid(x, y-1)) i += 2;
- if (grid(x-1, y )) i += 4;
- if (grid(x, y )) i += 8;
-
- // determine next direction
- if (i === 6) {
- dx = pdy === -1 ? -1 : 1;
- dy = 0;
- } else if (i === 9) {
- dx = 0;
- dy = pdx === 1 ? -1 : 1;
- } else {
- dx = d3_geom_contourDx[i];
- dy = d3_geom_contourDy[i];
- }
-
- // update contour polygon
- if (dx != pdx && dy != pdy) {
- c.push([x, y]);
- pdx = dx;
- pdy = dy;
- }
-
- x += dx;
- y += dy;
- } while (s[0] != x || s[1] != y);
-
- return c;
-};
-
-// lookup tables for marching directions
-var d3_geom_contourDx = [1, 0, 1, 1,-1, 0,-1, 1,0, 0,0,0,-1, 0,-1,NaN],
- d3_geom_contourDy = [0,-1, 0, 0, 0,-1, 0, 0,1,-1,1,1, 0,-1, 0,NaN];
-
-function d3_geom_contourStart(grid) {
- var x = 0,
- y = 0;
-
- // search for a starting point; begin at origin
- // and proceed along outward-expanding diagonals
- while (true) {
- if (grid(x,y)) {
- return [x,y];
- }
- if (x === 0) {
- x = y + 1;
- y = 0;
- } else {
- x = x - 1;
- y = y + 1;
- }
- }
-}
-/**
- * Computes the 2D convex hull of a set of points using Graham's scanning
- * algorithm. The algorithm has been implemented as described in Cormen,
- * Leiserson, and Rivest's Introduction to Algorithms. The running time of
- * this algorithm is O(n log n), where n is the number of input points.
- *
- * @param vertices [[x1, y1], [x2, y2], …]
- * @returns polygon [[x1, y1], [x2, y2], …]
- */
-d3.geom.hull = function(vertices) {
- if (vertices.length < 3) return [];
-
- var len = vertices.length,
- plen = len - 1,
- points = [],
- stack = [],
- i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
-
- // find the starting ref point: leftmost point with the minimum y coord
- for (i=1; i<len; ++i) {
- if (vertices[i][1] < vertices[h][1]) {
- h = i;
- } else if (vertices[i][1] == vertices[h][1]) {
- h = (vertices[i][0] < vertices[h][0] ? i : h);
- }
- }
-
- // calculate polar angles from ref point and sort
- for (i=0; i<len; ++i) {
- if (i === h) continue;
- y1 = vertices[i][1] - vertices[h][1];
- x1 = vertices[i][0] - vertices[h][0];
- points.push({angle: Math.atan2(y1, x1), index: i});
- }
- points.sort(function(a, b) { return a.angle - b.angle; });
-
- // toss out duplicate angles
- a = points[0].angle;
- v = points[0].index;
- u = 0;
- for (i=1; i<plen; ++i) {
- j = points[i].index;
- if (a == points[i].angle) {
- // keep angle for point most distant from the reference
- x1 = vertices[v][0] - vertices[h][0];
- y1 = vertices[v][1] - vertices[h][1];
- x2 = vertices[j][0] - vertices[h][0];
- y2 = vertices[j][1] - vertices[h][1];
- if ((x1*x1 + y1*y1) >= (x2*x2 + y2*y2)) {
- points[i].index = -1;
- } else {
- points[u].index = -1;
- a = points[i].angle;
- u = i;
- v = j;
- }
- } else {
- a = points[i].angle;
- u = i;
- v = j;
- }
- }
-
- // initialize the stack
- stack.push(h);
- for (i=0, j=0; i<2; ++j) {
- if (points[j].index !== -1) {
- stack.push(points[j].index);
- i++;
- }
- }
- sp = stack.length;
-
- // do graham's scan
- for (; j<plen; ++j) {
- if (points[j].index === -1) continue; // skip tossed out points
- while (!d3_geom_hullCCW(stack[sp-2], stack[sp-1], points[j].index, vertices)) {
- --sp;
- }
- stack[sp++] = points[j].index;
- }
-
- // construct the hull
- var poly = [];
- for (i=0; i<sp; ++i) {
- poly.push(vertices[stack[i]]);
- }
- return poly;
-}
-
-// are three points in counter-clockwise order?
-function d3_geom_hullCCW(i1, i2, i3, v) {
- var t, a, b, c, d, e, f;
- t = v[i1]; a = t[0]; b = t[1];
- t = v[i2]; c = t[0]; d = t[1];
- t = v[i3]; e = t[0]; f = t[1];
- return ((f-b)*(c-a) - (d-b)*(e-a)) > 0;
-}
-// Note: requires coordinates to be counterclockwise and convex!
-d3.geom.polygon = function(coordinates) {
-
- coordinates.area = function() {
- var i = 0,
- n = coordinates.length,
- a = coordinates[n - 1][0] * coordinates[0][1],
- b = coordinates[n - 1][1] * coordinates[0][0];
- while (++i < n) {
- a += coordinates[i - 1][0] * coordinates[i][1];
- b += coordinates[i - 1][1] * coordinates[i][0];
- }
- return (b - a) * .5;
- };
-
- coordinates.centroid = function(k) {
- var i = -1,
- n = coordinates.length,
- x = 0,
- y = 0,
- a,
- b = coordinates[n - 1],
- c;
- if (!arguments.length) k = -1 / (6 * coordinates.area());
- while (++i < n) {
- a = b;
- b = coordinates[i];
- c = a[0] * b[1] - b[0] * a[1];
- x += (a[0] + b[0]) * c;
- y += (a[1] + b[1]) * c;
- }
- return [x * k, y * k];
- };
-
- // The Sutherland-Hodgman clipping algorithm.
- coordinates.clip = function(subject) {
- var input,
- i = -1,
- n = coordinates.length,
- j,
- m,
- a = coordinates[n - 1],
- b,
- c,
- d;
- while (++i < n) {
- input = subject.slice();
- subject.length = 0;
- b = coordinates[i];
- c = input[(m = input.length) - 1];
- j = -1;
- while (++j < m) {
- d = input[j];
- if (d3_geom_polygonInside(d, a, b)) {
- if (!d3_geom_polygonInside(c, a, b)) {
- subject.push(d3_geom_polygonIntersect(c, d, a, b));
- }
- subject.push(d);
- } else if (d3_geom_polygonInside(c, a, b)) {
- subject.push(d3_geom_polygonIntersect(c, d, a, b));
- }
- c = d;
- }
- a = b;
- }
- return subject;
- };
-
- return coordinates;
-};
-
-function d3_geom_polygonInside(p, a, b) {
- return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
-}
-
-// Intersect two infinite lines cd and ab.
-function d3_geom_polygonIntersect(c, d, a, b) {
- var x1 = c[0], x2 = d[0], x3 = a[0], x4 = b[0],
- y1 = c[1], y2 = d[1], y3 = a[1], y4 = b[1],
- x13 = x1 - x3,
- x21 = x2 - x1,
- x43 = x4 - x3,
- y13 = y1 - y3,
- y21 = y2 - y1,
- y43 = y4 - y3,
- ua = (x43 * y13 - y43 * x13) / (y43 * x21 - x43 * y21);
- return [x1 + ua * x21, y1 + ua * y21];
-}
-// Adapted from Nicolas Garcia Belmonte's JIT implementation:
-// http://blog.thejit.org/2010/02/12/voronoi-tessellation/
-// http://blog.thejit.org/assets/voronoijs/voronoi.js
-// See lib/jit/LICENSE for details.
-
-// Notes:
-//
-// This implementation does not clip the returned polygons, so if you want to
-// clip them to a particular shape you will need to do that either in SVG or by
-// post-processing with d3.geom.polygon's clip method.
-//
-// If any vertices are coincident or have NaN positions, the behavior of this
-// method is undefined. Most likely invalid polygons will be returned. You
-// should filter invalid points, and consolidate coincident points, before
-// computing the tessellation.
-
-/**
- * @param vertices [[x1, y1], [x2, y2], …]
- * @returns polygons [[[x1, y1], [x2, y2], …], …]
- */
-d3.geom.voronoi = function(vertices) {
- var polygons = vertices.map(function() { return []; });
-
- d3_voronoi_tessellate(vertices, function(e) {
- var s1,
- s2,
- x1,
- x2,
- y1,
- y2;
- if (e.a === 1 && e.b >= 0) {
- s1 = e.ep.r;
- s2 = e.ep.l;
- } else {
- s1 = e.ep.l;
- s2 = e.ep.r;
- }
- if (e.a === 1) {
- y1 = s1 ? s1.y : -1e6;
- x1 = e.c - e.b * y1;
- y2 = s2 ? s2.y : 1e6;
- x2 = e.c - e.b * y2;
- } else {
- x1 = s1 ? s1.x : -1e6;
- y1 = e.c - e.a * x1;
- x2 = s2 ? s2.x : 1e6;
- y2 = e.c - e.a * x2;
- }
- var v1 = [x1, y1],
- v2 = [x2, y2];
- polygons[e.region.l.index].push(v1, v2);
- polygons[e.region.r.index].push(v1, v2);
- });
-
- // Reconnect the polygon segments into counterclockwise loops.
- return polygons.map(function(polygon, i) {
- var cx = vertices[i][0],
- cy = vertices[i][1];
- polygon.forEach(function(v) {
- v.angle = Math.atan2(v[0] - cx, v[1] - cy);
- });
- return polygon.sort(function(a, b) {
- return a.angle - b.angle;
- }).filter(function(d, i) {
- return !i || (d.angle - polygon[i - 1].angle > 1e-10);
- });
- });
-};
-
-var d3_voronoi_opposite = {"l": "r", "r": "l"};
-
-function d3_voronoi_tessellate(vertices, callback) {
-
- var Sites = {
- list: vertices
- .map(function(v, i) {
- return {
- index: i,
- x: v[0],
- y: v[1]
- };
- })
- .sort(function(a, b) {
- return a.y < b.y ? -1
- : a.y > b.y ? 1
- : a.x < b.x ? -1
- : a.x > b.x ? 1
- : 0;
- }),
- bottomSite: null
- };
-
- var EdgeList = {
- list: [],
- leftEnd: null,
- rightEnd: null,
-
- init: function() {
- EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l");
- EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l");
- EdgeList.leftEnd.r = EdgeList.rightEnd;
- EdgeList.rightEnd.l = EdgeList.leftEnd;
- EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
- },
-
- createHalfEdge: function(edge, side) {
- return {
- edge: edge,
- side: side,
- vertex: null,
- "l": null,
- "r": null
- };
- },
-
- insert: function(lb, he) {
- he.l = lb;
- he.r = lb.r;
- lb.r.l = he;
- lb.r = he;
- },
-
- leftBound: function(p) {
- var he = EdgeList.leftEnd;
- do {
- he = he.r;
- } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
- he = he.l;
- return he;
- },
-
- del: function(he) {
- he.l.r = he.r;
- he.r.l = he.l;
- he.edge = null;
- },
-
- right: function(he) {
- return he.r;
- },
-
- left: function(he) {
- return he.l;
- },
-
- leftRegion: function(he) {
- return he.edge == null
- ? Sites.bottomSite
- : he.edge.region[he.side];
- },
-
- rightRegion: function(he) {
- return he.edge == null
- ? Sites.bottomSite
- : he.edge.region[d3_voronoi_opposite[he.side]];
- }
- };
-
- var Geom = {
-
- bisect: function(s1, s2) {
- var newEdge = {
- region: {"l": s1, "r": s2},
- ep: {"l": null, "r": null}
- };
-
- var dx = s2.x - s1.x,
- dy = s2.y - s1.y,
- adx = dx > 0 ? dx : -dx,
- ady = dy > 0 ? dy : -dy;
-
- newEdge.c = s1.x * dx + s1.y * dy
- + (dx * dx + dy * dy) * .5;
-
- if (adx > ady) {
- newEdge.a = 1;
- newEdge.b = dy / dx;
- newEdge.c /= dx;
- } else {
- newEdge.b = 1;
- newEdge.a = dx / dy;
- newEdge.c /= dy;
- }
-
- return newEdge;
- },
-
- intersect: function(el1, el2) {
- var e1 = el1.edge,
- e2 = el2.edge;
- if (!e1 || !e2 || (e1.region.r == e2.region.r)) {
- return null;
- }
- var d = (e1.a * e2.b) - (e1.b * e2.a);
- if (Math.abs(d) < 1e-10) {
- return null;
- }
- var xint = (e1.c * e2.b - e2.c * e1.b) / d,
- yint = (e2.c * e1.a - e1.c * e2.a) / d,
- e1r = e1.region.r,
- e2r = e2.region.r,
- el,
- e;
- if ((e1r.y < e2r.y) ||
- (e1r.y == e2r.y && e1r.x < e2r.x)) {
- el = el1;
- e = e1;
- } else {
- el = el2;
- e = e2;
- }
- var rightOfSite = (xint >= e.region.r.x);
- if ((rightOfSite && (el.side === "l")) ||
- (!rightOfSite && (el.side === "r"))) {
- return null;
- }
- return {
- x: xint,
- y: yint
- };
- },
-
- rightOf: function(he, p) {
- var e = he.edge,
- topsite = e.region.r,
- rightOfSite = (p.x > topsite.x);
-
- if (rightOfSite && (he.side === "l")) {
- return 1;
- }
- if (!rightOfSite && (he.side === "r")) {
- return 0;
- }
- if (e.a === 1) {
- var dyp = p.y - topsite.y,
- dxp = p.x - topsite.x,
- fast = 0,
- above = 0;
-
- if ((!rightOfSite && (e.b < 0)) ||
- (rightOfSite && (e.b >= 0))) {
- above = fast = (dyp >= e.b * dxp);
- } else {
- above = ((p.x + p.y * e.b) > e.c);
- if (e.b < 0) {
- above = !above;
- }
- if (!above) {
- fast = 1;
- }
- }
- if (!fast) {
- var dxs = topsite.x - e.region.l.x;
- above = (e.b * (dxp * dxp - dyp * dyp)) <
- (dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b));
-
- if (e.b < 0) {
- above = !above;
- }
- }
- } else /* e.b == 1 */ {
- var yl = e.c - e.a * p.x,
- t1 = p.y - yl,
- t2 = p.x - topsite.x,
- t3 = yl - topsite.y;
-
- above = (t1 * t1) > (t2 * t2 + t3 * t3);
- }
- return he.side === "l" ? above : !above;
- },
-
- endPoint: function(edge, side, site) {
- edge.ep[side] = site;
- if (!edge.ep[d3_voronoi_opposite[side]]) return;
- callback(edge);
- },
-
- distance: function(s, t) {
- var dx = s.x - t.x,
- dy = s.y - t.y;
- return Math.sqrt(dx * dx + dy * dy);
- }
- };
-
- var EventQueue = {
- list: [],
-
- insert: function(he, site, offset) {
- he.vertex = site;
- he.ystar = site.y + offset;
- for (var i=0, list=EventQueue.list, l=list.length; i<l; i++) {
- var next = list[i];
- if (he.ystar > next.ystar ||
- (he.ystar == next.ystar &&
- site.x > next.vertex.x)) {
- continue;
- } else {
- break;
- }
- }
- list.splice(i, 0, he);
- },
-
- del: function(he) {
- for (var i=0, ls=EventQueue.list, l=ls.length; i<l && (ls[i] != he); ++i) {}
- ls.splice(i, 1);
- },
-
- empty: function() { return EventQueue.list.length === 0; },
-
- nextEvent: function(he) {
- for (var i=0, ls=EventQueue.list, l=ls.length; i<l; ++i) {
- if (ls[i] == he) return ls[i+1];
- }
- return null;
- },
-
- min: function() {
- var elem = EventQueue.list[0];
- return {
- x: elem.vertex.x,
- y: elem.ystar
- };
- },
-
- extractMin: function() {
- return EventQueue.list.shift();
- }
- };
-
- EdgeList.init();
- Sites.bottomSite = Sites.list.shift();
-
- var newSite = Sites.list.shift(), newIntStar;
- var lbnd, rbnd, llbnd, rrbnd, bisector;
- var bot, top, temp, p, v;
- var e, pm;
-
- while (true) {
- if (!EventQueue.empty()) {
- newIntStar = EventQueue.min();
- }
- if (newSite && (EventQueue.empty()
- || newSite.y < newIntStar.y
- || (newSite.y == newIntStar.y
- && newSite.x < newIntStar.x))) { //new site is smallest
- lbnd = EdgeList.leftBound(newSite);
- rbnd = EdgeList.right(lbnd);
- bot = EdgeList.rightRegion(lbnd);
- e = Geom.bisect(bot, newSite);
- bisector = EdgeList.createHalfEdge(e, "l");
- EdgeList.insert(lbnd, bisector);
- p = Geom.intersect(lbnd, bisector);
- if (p) {
- EventQueue.del(lbnd);
- EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
- }
- lbnd = bisector;
- bisector = EdgeList.createHalfEdge(e, "r");
- EdgeList.insert(lbnd, bisector);
- p = Geom.intersect(bisector, rbnd);
- if (p) {
- EventQueue.insert(bisector, p, Geom.distance(p, newSite));
- }
- newSite = Sites.list.shift();
- } else if (!EventQueue.empty()) { //intersection is smallest
- lbnd = EventQueue.extractMin();
- llbnd = EdgeList.left(lbnd);
- rbnd = EdgeList.right(lbnd);
- rrbnd = EdgeList.right(rbnd);
- bot = EdgeList.leftRegion(lbnd);
- top = EdgeList.rightRegion(rbnd);
- v = lbnd.vertex;
- Geom.endPoint(lbnd.edge, lbnd.side, v);
- Geom.endPoint(rbnd.edge, rbnd.side, v);
- EdgeList.del(lbnd);
- EventQueue.del(rbnd);
- EdgeList.del(rbnd);
- pm = "l";
- if (bot.y > top.y) {
- temp = bot;
- bot = top;
- top = temp;
- pm = "r";
- }
- e = Geom.bisect(bot, top);
- bisector = EdgeList.createHalfEdge(e, pm);
- EdgeList.insert(llbnd, bisector);
- Geom.endPoint(e, d3_voronoi_opposite[pm], v);
- p = Geom.intersect(llbnd, bisector);
- if (p) {
- EventQueue.del(llbnd);
- EventQueue.insert(llbnd, p, Geom.distance(p, bot));
- }
- p = Geom.intersect(bisector, rrbnd);
- if (p) {
- EventQueue.insert(bisector, p, Geom.distance(p, bot));
- }
- } else {
- break;
- }
- }//end while
-
- for (lbnd = EdgeList.right(EdgeList.leftEnd);
- lbnd != EdgeList.rightEnd;
- lbnd = EdgeList.right(lbnd)) {
- callback(lbnd.edge);
- }
-}
-/**
-* @param vertices [[x1, y1], [x2, y2], …]
-* @returns triangles [[[x1, y1], [x2, y2], [x3, y3]], …]
- */
-d3.geom.delaunay = function(vertices) {
- var edges = vertices.map(function() { return []; }),
- triangles = [];
-
- // Use the Voronoi tessellation to determine Delaunay edges.
- d3_voronoi_tessellate(vertices, function(e) {
- edges[e.region.l.index].push(vertices[e.region.r.index]);
- });
-
- // Reconnect the edges into counterclockwise triangles.
- edges.forEach(function(edge, i) {
- var v = vertices[i],
- cx = v[0],
- cy = v[1];
- edge.forEach(function(v) {
- v.angle = Math.atan2(v[0] - cx, v[1] - cy);
- });
- edge.sort(function(a, b) {
- return a.angle - b.angle;
- });
- for (var j = 0, m = edge.length - 1; j < m; j++) {
- triangles.push([v, edge[j], edge[j + 1]]);
- }
- });
-
- return triangles;
-};
-// Constructs a new quadtree for the specified array of points. A quadtree is a
-// two-dimensional recursive spatial subdivision. This implementation uses
-// square partitions, dividing each square into four equally-sized squares. Each
-// point exists in a unique node; if multiple points are in the same position,
-// some points may be stored on internal nodes rather than leaf nodes. Quadtrees
-// can be used to accelerate various spatial operations, such as the Barnes-Hut
-// approximation for computing n-body forces, or collision detection.
-d3.geom.quadtree = function(points, x1, y1, x2, y2) {
- var p,
- i = -1,
- n = points.length;
-
- // Type conversion for deprecated API.
- if (n && isNaN(points[0].x)) points = points.map(d3_geom_quadtreePoint);
-
- // Allow bounds to be specified explicitly.
- if (arguments.length < 5) {
- if (arguments.length === 3) {
- y2 = x2 = y1;
- y1 = x1;
- } else {
- x1 = y1 = Infinity;
- x2 = y2 = -Infinity;
-
- // Compute bounds.
- while (++i < n) {
- p = points[i];
- if (p.x < x1) x1 = p.x;
- if (p.y < y1) y1 = p.y;
- if (p.x > x2) x2 = p.x;
- if (p.y > y2) y2 = p.y;
- }
-
- // Squarify the bounds.
- var dx = x2 - x1,
- dy = y2 - y1;
- if (dx > dy) y2 = y1 + dx;
- else x2 = x1 + dy;
- }
- }
-
- // Recursively inserts the specified point p at the node n or one of its
- // descendants. The bounds are defined by [x1, x2] and [y1, y2].
- function insert(n, p, x1, y1, x2, y2) {
- if (isNaN(p.x) || isNaN(p.y)) return; // ignore invalid points
- if (n.leaf) {
- var v = n.point;
- if (v) {
- // If the point at this leaf node is at the same position as the new
- // point we are adding, we leave the point associated with the
- // internal node while adding the new point to a child node. This
- // avoids infinite recursion.
- if ((Math.abs(v.x - p.x) + Math.abs(v.y - p.y)) < .01) {
- insertChild(n, p, x1, y1, x2, y2);
- } else {
- n.point = null;
- insertChild(n, v, x1, y1, x2, y2);
- insertChild(n, p, x1, y1, x2, y2);
- }
- } else {
- n.point = p;
- }
- } else {
- insertChild(n, p, x1, y1, x2, y2);
- }
- }
-
- // Recursively inserts the specified point p into a descendant of node n. The
- // bounds are defined by [x1, x2] and [y1, y2].
- function insertChild(n, p, x1, y1, x2, y2) {
- // Compute the split point, and the quadrant in which to insert p.
- var sx = (x1 + x2) * .5,
- sy = (y1 + y2) * .5,
- right = p.x >= sx,
- bottom = p.y >= sy,
- i = (bottom << 1) + right;
-
- // Recursively insert into the child node.
- n.leaf = false;
- n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
-
- // Update the bounds as we recurse.
- if (right) x1 = sx; else x2 = sx;
- if (bottom) y1 = sy; else y2 = sy;
- insert(n, p, x1, y1, x2, y2);
- }
-
- // Create the root node.
- var root = d3_geom_quadtreeNode();
-
- root.add = function(p) {
- insert(root, p, x1, y1, x2, y2);
- };
-
- root.visit = function(f) {
- d3_geom_quadtreeVisit(f, root, x1, y1, x2, y2);
- };
-
- // Insert all points.
- points.forEach(root.add);
- return root;
-};
-
-function d3_geom_quadtreeNode() {
- return {
- leaf: true,
- nodes: [],
- point: null
- };
-}
-
-function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
- if (!f(node, x1, y1, x2, y2)) {
- var sx = (x1 + x2) * .5,
- sy = (y1 + y2) * .5,
- children = node.nodes;
- if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
- if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
- if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
- if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
- }
-}
-
-function d3_geom_quadtreePoint(p) {
- return {
- x: p[0],
- y: p[1]
- };
-}
-d3.time = {};
-
-var d3_time = Date;
-
-function d3_time_utc() {
- this._ = new Date(arguments.length > 1
- ? Date.UTC.apply(this, arguments)
- : arguments[0]);
-}
-
-d3_time_utc.prototype = {
- getDate: function() { return this._.getUTCDate(); },
- getDay: function() { return this._.getUTCDay(); },
- getFullYear: function() { return this._.getUTCFullYear(); },
- getHours: function() { return this._.getUTCHours(); },
- getMilliseconds: function() { return this._.getUTCMilliseconds(); },
- getMinutes: function() { return this._.getUTCMinutes(); },
- getMonth: function() { return this._.getUTCMonth(); },
- getSeconds: function() { return this._.getUTCSeconds(); },
- getTime: function() { return this._.getTime(); },
- getTimezoneOffset: function() { return 0; },
- valueOf: function() { return this._.valueOf(); },
- setDate: function() { d3_time_prototype.setUTCDate.apply(this._, arguments); },
- setDay: function() { d3_time_prototype.setUTCDay.apply(this._, arguments); },
- setFullYear: function() { d3_time_prototype.setUTCFullYear.apply(this._, arguments); },
- setHours: function() { d3_time_prototype.setUTCHours.apply(this._, arguments); },
- setMilliseconds: function() { d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); },
- setMinutes: function() { d3_time_prototype.setUTCMinutes.apply(this._, arguments); },
- setMonth: function() { d3_time_prototype.setUTCMonth.apply(this._, arguments); },
- setSeconds: function() { d3_time_prototype.setUTCSeconds.apply(this._, arguments); },
- setTime: function() { d3_time_prototype.setTime.apply(this._, arguments); }
-};
-
-var d3_time_prototype = Date.prototype;
-d3.time.format = function(template) {
- var n = template.length;
-
- function format(date) {
- var string = [],
- i = -1,
- j = 0,
- c,
- f;
- while (++i < n) {
- if (template.charCodeAt(i) == 37) {
- string.push(
- template.substring(j, i),
- (f = d3_time_formats[c = template.charAt(++i)])
- ? f(date) : c);
- j = i + 1;
- }
- }
- string.push(template.substring(j, i));
- return string.join("");
- }
-
- format.parse = function(string) {
- var d = {y: 1900, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0},
- i = d3_time_parse(d, template, string, 0);
- if (i != string.length) return null;
-
- // The am-pm flag is 0 for AM, and 1 for PM.
- if ("p" in d) d.H = d.H % 12 + d.p * 12;
-
- var date = new d3_time();
- date.setFullYear(d.y, d.m, d.d);
- date.setHours(d.H, d.M, d.S, d.L);
- return date;
- };
-
- format.toString = function() {
- return template;
- };
-
- return format;
-};
-
-function d3_time_parse(date, template, string, j) {
- var c,
- p,
- i = 0,
- n = template.length,
- m = string.length;
- while (i < n) {
- if (j >= m) return -1;
- c = template.charCodeAt(i++);
- if (c == 37) {
- p = d3_time_parsers[template.charAt(i++)];
- if (!p || ((j = p(date, string, j)) < 0)) return -1;
- } else if (c != string.charCodeAt(j++)) {
- return -1;
- }
- }
- return j;
-}
-
-var d3_time_zfill2 = d3.format("02d"),
- d3_time_zfill3 = d3.format("03d"),
- d3_time_zfill4 = d3.format("04d"),
- d3_time_sfill2 = d3.format("2d");
-
-var d3_time_formats = {
- a: function(d) { return d3_time_weekdays[d.getDay()].substring(0, 3); },
- A: function(d) { return d3_time_weekdays[d.getDay()]; },
- b: function(d) { return d3_time_months[d.getMonth()].substring(0, 3); },
- B: function(d) { return d3_time_months[d.getMonth()]; },
- c: d3.time.format("%a %b %e %H:%M:%S %Y"),
- d: function(d) { return d3_time_zfill2(d.getDate()); },
- e: function(d) { return d3_time_sfill2(d.getDate()); },
- H: function(d) { return d3_time_zfill2(d.getHours()); },
- I: function(d) { return d3_time_zfill2(d.getHours() % 12 || 12); },
- j: function(d) { return d3_time_zfill3(1 + d3.time.dayOfYear(d)); },
- L: function(d) { return d3_time_zfill3(d.getMilliseconds()); },
- m: function(d) { return d3_time_zfill2(d.getMonth() + 1); },
- M: function(d) { return d3_time_zfill2(d.getMinutes()); },
- p: function(d) { return d.getHours() >= 12 ? "PM" : "AM"; },
- S: function(d) { return d3_time_zfill2(d.getSeconds()); },
- U: function(d) { return d3_time_zfill2(d3.time.sundayOfYear(d)); },
- w: function(d) { return d.getDay(); },
- W: function(d) { return d3_time_zfill2(d3.time.mondayOfYear(d)); },
- x: d3.time.format("%m/%d/%y"),
- X: d3.time.format("%H:%M:%S"),
- y: function(d) { return d3_time_zfill2(d.getFullYear() % 100); },
- Y: function(d) { return d3_time_zfill4(d.getFullYear() % 10000); },
- Z: d3_time_zone,
- "%": function(d) { return "%"; }
-};
-
-var d3_time_parsers = {
- a: d3_time_parseWeekdayAbbrev,
- A: d3_time_parseWeekday,
- b: d3_time_parseMonthAbbrev,
- B: d3_time_parseMonth,
- c: d3_time_parseLocaleFull,
- d: d3_time_parseDay,
- e: d3_time_parseDay,
- H: d3_time_parseHour24,
- I: d3_time_parseHour24,
- // j: function(d, s, i) { /*TODO day of year [001,366] */ return i; },
- L: d3_time_parseMilliseconds,
- m: d3_time_parseMonthNumber,
- M: d3_time_parseMinutes,
- p: d3_time_parseAmPm,
- S: d3_time_parseSeconds,
- // U: function(d, s, i) { /*TODO week number (sunday) [00,53] */ return i; },
- // w: function(d, s, i) { /*TODO weekday [0,6] */ return i; },
- // W: function(d, s, i) { /*TODO week number (monday) [00,53] */ return i; },
- x: d3_time_parseLocaleDate,
- X: d3_time_parseLocaleTime,
- y: d3_time_parseYear,
- Y: d3_time_parseFullYear
- // ,
- // Z: function(d, s, i) { /*TODO time zone */ return i; },
- // "%": function(d, s, i) { /*TODO literal % */ return i; }
-};
-
-// Note: weekday is validated, but does not set the date.
-function d3_time_parseWeekdayAbbrev(date, string, i) {
- return d3_time_weekdayAbbrevRe.test(string.substring(i, i += 3)) ? i : -1;
-}
-
-// Note: weekday is validated, but does not set the date.
-function d3_time_parseWeekday(date, string, i) {
- d3_time_weekdayRe.lastIndex = 0;
- var n = d3_time_weekdayRe.exec(string.substring(i, i + 10));
- return n ? i += n[0].length : -1;
-}
-
-var d3_time_weekdayAbbrevRe = /^(?:sun|mon|tue|wed|thu|fri|sat)/i,
- d3_time_weekdayRe = /^(?:Sunday|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday)/i,
- d3_time_weekdays = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
-
-function d3_time_parseMonthAbbrev(date, string, i) {
- var n = d3_time_monthAbbrevLookup.get(string.substring(i, i += 3).toLowerCase());
- return n == null ? -1 : (date.m = n, i);
-}
-
-var d3_time_monthAbbrevLookup = d3.map({
- jan: 0,
- feb: 1,
- mar: 2,
- apr: 3,
- may: 4,
- jun: 5,
- jul: 6,
- aug: 7,
- sep: 8,
- oct: 9,
- nov: 10,
- dec: 11
-});
-
-function d3_time_parseMonth(date, string, i) {
- d3_time_monthRe.lastIndex = 0;
- var n = d3_time_monthRe.exec(string.substring(i, i + 12));
- return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
-}
-
-var d3_time_monthRe = /^(?:January|February|March|April|May|June|July|August|September|October|November|December)/ig;
-
-var d3_time_monthLookup = d3.map({
- january: 0,
- february: 1,
- march: 2,
- april: 3,
- may: 4,
- june: 5,
- july: 6,
- august: 7,
- september: 8,
- october: 9,
- november: 10,
- december: 11
-});
-
-var d3_time_months = [
- "January",
- "February",
- "March",
- "April",
- "May",
- "June",
- "July",
- "August",
- "September",
- "October",
- "November",
- "December"
-];
-
-function d3_time_parseLocaleFull(date, string, i) {
- return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
-}
-
-function d3_time_parseLocaleDate(date, string, i) {
- return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
-}
-
-function d3_time_parseLocaleTime(date, string, i) {
- return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
-}
-
-function d3_time_parseFullYear(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 4));
- return n ? (date.y = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseYear(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.y = d3_time_century() + +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_century() {
- return ~~(new Date().getFullYear() / 1000) * 1000;
-}
-
-function d3_time_parseMonthNumber(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.m = n[0] - 1, i += n[0].length) : -1;
-}
-
-function d3_time_parseDay(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.d = +n[0], i += n[0].length) : -1;
-}
-
-// Note: we don't validate that the hour is in the range [0,23] or [1,12].
-function d3_time_parseHour24(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.H = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseMinutes(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.M = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseSeconds(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.S = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseMilliseconds(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 3));
- return n ? (date.L = +n[0], i += n[0].length) : -1;
-}
-
-// Note: we don't look at the next directive.
-var d3_time_numberRe = /\s*\d+/;
-
-function d3_time_parseAmPm(date, string, i) {
- var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
- return n == null ? -1 : (date.p = n, i);
-}
-
-var d3_time_amPmLookup = d3.map({
- am: 0,
- pm: 1
-});
-
-// TODO table of time zone offset names?
-function d3_time_zone(d) {
- var z = d.getTimezoneOffset(),
- zs = z > 0 ? "-" : "+",
- zh = ~~(Math.abs(z) / 60),
- zm = Math.abs(z) % 60;
- return zs + d3_time_zfill2(zh) + d3_time_zfill2(zm);
-}
-d3.time.format.utc = function(template) {
- var local = d3.time.format(template);
-
- function format(date) {
- try {
- d3_time = d3_time_utc;
- var utc = new d3_time();
- utc._ = date;
- return local(utc);
- } finally {
- d3_time = Date;
- }
- }
-
- format.parse = function(string) {
- try {
- d3_time = d3_time_utc;
- var date = local.parse(string);
- return date && date._;
- } finally {
- d3_time = Date;
- }
- };
-
- format.toString = local.toString;
-
- return format;
-};
-var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");
-
-d3.time.format.iso = Date.prototype.toISOString ? d3_time_formatIsoNative : d3_time_formatIso;
-
-function d3_time_formatIsoNative(date) {
- return date.toISOString();
-}
-
-d3_time_formatIsoNative.parse = function(string) {
- var date = new Date(string);
- return isNaN(date) ? null : date;
-};
-
-d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
-function d3_time_interval(local, step, number) {
-
- function round(date) {
- var d0 = local(date), d1 = offset(d0, 1);
- return date - d0 < d1 - date ? d0 : d1;
- }
-
- function ceil(date) {
- step(date = local(new d3_time(date - 1)), 1);
- return date;
- }
-
- function offset(date, k) {
- step(date = new d3_time(+date), k);
- return date;
- }
-
- function range(t0, t1, dt) {
- var time = ceil(t0), times = [];
- if (dt > 1) {
- while (time < t1) {
- if (!(number(time) % dt)) times.push(new Date(+time));
- step(time, 1);
- }
- } else {
- while (time < t1) times.push(new Date(+time)), step(time, 1);
- }
- return times;
- }
-
- function range_utc(t0, t1, dt) {
- try {
- d3_time = d3_time_utc;
- var utc = new d3_time_utc();
- utc._ = t0;
- return range(utc, t1, dt);
- } finally {
- d3_time = Date;
- }
- }
-
- local.floor = local;
- local.round = round;
- local.ceil = ceil;
- local.offset = offset;
- local.range = range;
-
- var utc = local.utc = d3_time_interval_utc(local);
- utc.floor = utc;
- utc.round = d3_time_interval_utc(round);
- utc.ceil = d3_time_interval_utc(ceil);
- utc.offset = d3_time_interval_utc(offset);
- utc.range = range_utc;
-
- return local;
-}
-
-function d3_time_interval_utc(method) {
- return function(date, k) {
- try {
- d3_time = d3_time_utc;
- var utc = new d3_time_utc();
- utc._ = date;
- return method(utc, k)._;
- } finally {
- d3_time = Date;
- }
- };
-}
-d3.time.second = d3_time_interval(function(date) {
- return new d3_time(Math.floor(date / 1e3) * 1e3);
-}, function(date, offset) {
- date.setTime(date.getTime() + Math.floor(offset) * 1e3); // DST breaks setSeconds
-}, function(date) {
- return date.getSeconds();
-});
-
-d3.time.seconds = d3.time.second.range;
-d3.time.seconds.utc = d3.time.second.utc.range;
-d3.time.minute = d3_time_interval(function(date) {
- return new d3_time(Math.floor(date / 6e4) * 6e4);
-}, function(date, offset) {
- date.setTime(date.getTime() + Math.floor(offset) * 6e4); // DST breaks setMinutes
-}, function(date) {
- return date.getMinutes();
-});
-
-d3.time.minutes = d3.time.minute.range;
-d3.time.minutes.utc = d3.time.minute.utc.range;
-d3.time.hour = d3_time_interval(function(date) {
- var timezone = date.getTimezoneOffset() / 60;
- return new d3_time((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
-}, function(date, offset) {
- date.setTime(date.getTime() + Math.floor(offset) * 36e5); // DST breaks setHours
-}, function(date) {
- return date.getHours();
-});
-
-d3.time.hours = d3.time.hour.range;
-d3.time.hours.utc = d3.time.hour.utc.range;
-d3.time.day = d3_time_interval(function(date) {
- return new d3_time(date.getFullYear(), date.getMonth(), date.getDate());
-}, function(date, offset) {
- date.setDate(date.getDate() + offset);
-}, function(date) {
- return date.getDate() - 1;
-});
-
-d3.time.days = d3.time.day.range;
-d3.time.days.utc = d3.time.day.utc.range;
-
-d3.time.dayOfYear = function(date) {
- var year = d3.time.year(date);
- return Math.floor((date - year) / 864e5 - (date.getTimezoneOffset() - year.getTimezoneOffset()) / 1440);
-};
-d3_time_weekdays.forEach(function(day, i) {
- day = day.toLowerCase();
- i = 7 - i;
-
- var interval = d3.time[day] = d3_time_interval(function(date) {
- (date = d3.time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
- return date;
- }, function(date, offset) {
- date.setDate(date.getDate() + Math.floor(offset) * 7);
- }, function(date) {
- var day = d3.time.year(date).getDay();
- return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
- });
-
- d3.time[day + "s"] = interval.range;
- d3.time[day + "s"].utc = interval.utc.range;
-
- d3.time[day + "OfYear"] = function(date) {
- var day = d3.time.year(date).getDay();
- return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7);
- };
-});
-
-d3.time.week = d3.time.sunday;
-d3.time.weeks = d3.time.sunday.range;
-d3.time.weeks.utc = d3.time.sunday.utc.range;
-d3.time.weekOfYear = d3.time.sundayOfYear;
-d3.time.month = d3_time_interval(function(date) {
- return new d3_time(date.getFullYear(), date.getMonth(), 1);
-}, function(date, offset) {
- date.setMonth(date.getMonth() + offset);
-}, function(date) {
- return date.getMonth();
-});
-
-d3.time.months = d3.time.month.range;
-d3.time.months.utc = d3.time.month.utc.range;
-d3.time.year = d3_time_interval(function(date) {
- return new d3_time(date.getFullYear(), 0, 1);
-}, function(date, offset) {
- date.setFullYear(date.getFullYear() + offset);
-}, function(date) {
- return date.getFullYear();
-});
-
-d3.time.years = d3.time.year.range;
-d3.time.years.utc = d3.time.year.utc.range;
-function d3_time_scale(linear, methods, format) {
-
- function scale(x) {
- return linear(x);
- }
-
- scale.invert = function(x) {
- return d3_time_scaleDate(linear.invert(x));
- };
-
- scale.domain = function(x) {
- if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
- linear.domain(x);
- return scale;
- };
-
- scale.nice = function(m) {
- var extent = d3_time_scaleExtent(scale.domain());
- return scale.domain([m.floor(extent[0]), m.ceil(extent[1])]);
- };
-
- scale.ticks = function(m, k) {
- var extent = d3_time_scaleExtent(scale.domain());
- if (typeof m !== "function") {
- var span = extent[1] - extent[0],
- target = span / m,
- i = d3.bisect(d3_time_scaleSteps, target);
- if (i == d3_time_scaleSteps.length) return methods.year(extent, m);
- if (!i) return linear.ticks(m).map(d3_time_scaleDate);
- if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i;
- m = methods[i];
- k = m[1];
- m = m[0].range;
- }
- return m(extent[0], new Date(+extent[1] + 1), k); // inclusive upper bound
- };
-
- scale.tickFormat = function() {
- return format;
- };
-
- scale.copy = function() {
- return d3_time_scale(linear.copy(), methods, format);
- };
-
- // TOOD expose d3_scale_linear_rebind?
- return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
-}
-
-// TODO expose d3_scaleExtent?
-function d3_time_scaleExtent(domain) {
- var start = domain[0], stop = domain[domain.length - 1];
- return start < stop ? [start, stop] : [stop, start];
-}
-
-function d3_time_scaleDate(t) {
- return new Date(t);
-}
-
-function d3_time_scaleFormat(formats) {
- return function(date) {
- var i = formats.length - 1, f = formats[i];
- while (!f[1](date)) f = formats[--i];
- return f[0](date);
- };
-}
-
-function d3_time_scaleSetYear(y) {
- var d = new Date(y, 0, 1);
- d.setFullYear(y); // Y2K fail
- return d;
-}
-
-function d3_time_scaleGetYear(d) {
- var y = d.getFullYear(),
- d0 = d3_time_scaleSetYear(y),
- d1 = d3_time_scaleSetYear(y + 1);
- return y + (d - d0) / (d1 - d0);
-}
-
-var d3_time_scaleSteps = [
- 1e3, // 1-second
- 5e3, // 5-second
- 15e3, // 15-second
- 3e4, // 30-second
- 6e4, // 1-minute
- 3e5, // 5-minute
- 9e5, // 15-minute
- 18e5, // 30-minute
- 36e5, // 1-hour
- 108e5, // 3-hour
- 216e5, // 6-hour
- 432e5, // 12-hour
- 864e5, // 1-day
- 1728e5, // 2-day
- 6048e5, // 1-week
- 2592e6, // 1-month
- 7776e6, // 3-month
- 31536e6 // 1-year
-];
-
-var d3_time_scaleLocalMethods = [
- [d3.time.second, 1],
- [d3.time.second, 5],
- [d3.time.second, 15],
- [d3.time.second, 30],
- [d3.time.minute, 1],
- [d3.time.minute, 5],
- [d3.time.minute, 15],
- [d3.time.minute, 30],
- [d3.time.hour, 1],
- [d3.time.hour, 3],
- [d3.time.hour, 6],
- [d3.time.hour, 12],
- [d3.time.day, 1],
- [d3.time.day, 2],
- [d3.time.week, 1],
- [d3.time.month, 1],
- [d3.time.month, 3],
- [d3.time.year, 1]
-];
-
-var d3_time_scaleLocalFormats = [
- [d3.time.format("%Y"), function(d) { return true; }],
- [d3.time.format("%B"), function(d) { return d.getMonth(); }],
- [d3.time.format("%b %d"), function(d) { return d.getDate() != 1; }],
- [d3.time.format("%a %d"), function(d) { return d.getDay() && d.getDate() != 1; }],
- [d3.time.format("%I %p"), function(d) { return d.getHours(); }],
- [d3.time.format("%I:%M"), function(d) { return d.getMinutes(); }],
- [d3.time.format(":%S"), function(d) { return d.getSeconds(); }],
- [d3.time.format(".%L"), function(d) { return d.getMilliseconds(); }]
-];
-
-var d3_time_scaleLinear = d3.scale.linear(),
- d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
-
-d3_time_scaleLocalMethods.year = function(extent, m) {
- return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear);
-};
-
-d3.time.scale = function() {
- return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
-};
-var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) {
- return [m[0].utc, m[1]];
-});
-
-var d3_time_scaleUTCFormats = [
- [d3.time.format.utc("%Y"), function(d) { return true; }],
- [d3.time.format.utc("%B"), function(d) { return d.getUTCMonth(); }],
- [d3.time.format.utc("%b %d"), function(d) { return d.getUTCDate() != 1; }],
- [d3.time.format.utc("%a %d"), function(d) { return d.getUTCDay() && d.getUTCDate() != 1; }],
- [d3.time.format.utc("%I %p"), function(d) { return d.getUTCHours(); }],
- [d3.time.format.utc("%I:%M"), function(d) { return d.getUTCMinutes(); }],
- [d3.time.format.utc(":%S"), function(d) { return d.getUTCSeconds(); }],
- [d3.time.format.utc(".%L"), function(d) { return d.getUTCMilliseconds(); }]
-];
-
-var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
-
-function d3_time_scaleUTCSetYear(y) {
- var d = new Date(Date.UTC(y, 0, 1));
- d.setUTCFullYear(y); // Y2K fail
- return d;
-}
-
-function d3_time_scaleUTCGetYear(d) {
- var y = d.getUTCFullYear(),
- d0 = d3_time_scaleUTCSetYear(y),
- d1 = d3_time_scaleUTCSetYear(y + 1);
- return y + (d - d0) / (d1 - d0);
-}
-
-d3_time_scaleUTCMethods.year = function(extent, m) {
- return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear);
-};
-
-d3.time.scale.utc = function() {
- return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
-};
-})();
diff --git a/visualize/static/d3.v2.min.js b/visualize/static/d3.v2.min.js
deleted file mode 100644
index 2a1e1311..00000000
--- a/visualize/static/d3.v2.min.js
+++ /dev/null
@@ -1,4 +0,0 @@
-(function(){function d(a,b){try{for(var c in b)Object.defineProperty(a.prototype,c,{value:b[c],enumerable:!1})}catch(d){a.prototype=b}}function f(a){var b=-1,c=a.length,d=[];while(++b<c)d.push(a[b]);return d}function g(a){return Array.prototype.slice.call(a)}function j(){}function m(a){return a}function n(){return this}function o(){return!0}function p(a){return typeof a=="function"?a:function(){return a}}function q(a,b,c){return function(){var d=c.apply(b,arguments);return arguments.length?a:d}}function r(a){return a!=null&&!isNaN(a)}function s(a){return a.length}function u(a){return a==null}function v(a){return a.replace(/^\s+|\s+$/g,"").replace(/\s+/g," ")}function w(a){var b=1;while(a*b%1)b*=10;return b}function z(){}function A(a){function d(){var c=b,d=-1,e=c.length,f;while(++d<e)(f=c[d].on)&&f.apply(this,arguments);return a}var b=[],c=new j;return d.on=function(d,e){var f=c.get(d),g;return 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