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-rw-r--r--visualize/static/.gitignore7
-rw-r--r--visualize/static/Makefile41
-rw-r--r--visualize/static/d3.geom.js835
-rw-r--r--visualize/static/d3.geom.min.js1
-rw-r--r--visualize/static/d3.js4707
-rw-r--r--visualize/static/d3.layout.js1881
-rw-r--r--visualize/static/d3.layout.min.js1
-rw-r--r--visualize/static/d3.min.js2
-rw-r--r--visualize/static/visualize.js20
9 files changed, 68 insertions, 7427 deletions
diff --git a/visualize/static/.gitignore b/visualize/static/.gitignore
new file mode 100644
index 00000000..7a61b9ef
--- /dev/null
+++ b/visualize/static/.gitignore
@@ -0,0 +1,7 @@
+.d3
+d3.geom.js
+d3.geom.min.js
+d3.js
+d3.layout.js
+d3.layout.min.js
+d3.min.js
diff --git a/visualize/static/Makefile b/visualize/static/Makefile
new file mode 100644
index 00000000..f88804ec
--- /dev/null
+++ b/visualize/static/Makefile
@@ -0,0 +1,41 @@
+d3version=2.7.2
+
+_targets=d3.js d3.layout.js d3.geom.js
+targets=$(_targets) $(patsubst %.js,%.min.js,$(_targets))
+gitignore=.d3
+
+# Force creating the d3 directory before we even evaluate how to make d3.js
+all: .d3/d3-$(d3version) .gitignore
+ $(MAKE) $(targets)
+
+clean: PHONY
+ rm -rf .d3
+
+####
+
+d3.%: .d3/d3-$(d3version)/d3.% .d3/d3-$(d3version)/LICENSE Makefile
+ echo '/* $@ - Data Driven Documents' > $@
+ echo ' * Version: $(d3version)' >> $@
+ echo ' * Homepage: http://mbostock.github.com/d3/' >> $@
+ echo ' * Copyright: 2010, Michael Bostock' >> $@
+ echo ' * Licence: 3-Clause BSD' >> $@
+ echo ' *' >> $@
+ sed 's/.*/ * &/' $(<D)/LICENSE >> $@
+ echo ' */' >> $@
+ cat $< >> $@
+
+.d3/d3-%.tar.gz: Makefile
+ mkdir -p $(@D)
+ wget https://github.com/mbostock/d3/tarball/v$* -O $@
+.d3/d3-%.tar.gz.d: .d3/d3-%.tar.gz Makefile
+ rm -rf $@
+ mkdir -p $<.d
+ cd $@ && tar xzf ../d3-$*.tar.gz
+.d3/d3-%: .d3/d3-%.tar.gz.d Makefile
+ rm -rf $@
+ cp -r $</*/ $@
+ rm $@/*.min.js
+
+####
+
+include ../../sitestatic/js.mk
diff --git a/visualize/static/d3.geom.js b/visualize/static/d3.geom.js
deleted file mode 100644
index d860c2bf..00000000
--- a/visualize/static/d3.geom.js
+++ /dev/null
@@ -1,835 +0,0 @@
-(function(){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 - 1,
- x = 0,
- y = 0,
- a,
- b,
- c;
- if (!arguments.length) k = -1 / (6 * coordinates.area());
- while (++i < n) {
- a = coordinates[i];
- b = coordinates[i + 1];
- 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]
- };
-}
-})();
diff --git a/visualize/static/d3.geom.min.js b/visualize/static/d3.geom.min.js
deleted file mode 100644
index 2dc6395d..00000000
--- a/visualize/static/d3.geom.min.js
+++ /dev/null
@@ -1 +0,0 @@
-(function(){function c(a){var b=0,c=0;for(;;){if(a(b,c))return[b,c];b===0?(b=c+1,c=0):(b-=1,c+=1)}}function d(a,b,c,d){var e,f,g,h,i,j,k;return e=d[a],f=e[0],g=e[1],e=d[b],h=e[0],i=e[1],e=d[c],j=e[0],k=e[1],(k-g)*(h-f)-(i-g)*(j-f)>0}function e(a,b,c){return(c[0]-b[0])*(a[1]-b[1])<(c[1]-b[1])*(a[0]-b[0])}function f(a,b,c,d){var e=a[0],f=b[0],g=c[0],h=d[0],i=a[1],j=b[1],k=c[1],l=d[1],m=e-g,n=f-e,o=h-g,p=i-k,q=j-i,r=l-k,s=(o*p-r*m)/(r*n-o*q);return[e+s*n,i+s*q]}function h(a,b){var c={list:a.map(function(a,b){return{index:b,x:a[0],y:a[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},d={list:[],leftEnd:null,rightEnd:null,init:function(){d.leftEnd=d.createHalfEdge(null,"l"),d.rightEnd=d.createHalfEdge(null,"l"),d.leftEnd.r=d.rightEnd,d.rightEnd.l=d.leftEnd,d.list.unshift(d.leftEnd,d.rightEnd)},createHalfEdge:function(a,b){return{edge:a,side:b,vertex:null,l:null,r:null}},insert:function(a,b){b.l=a,b.r=a.r,a.r.l=b,a.r=b},leftBound:function(a){var b=d.leftEnd;do b=b.r;while(b!=d.rightEnd&&e.rightOf(b,a));return b=b.l,b},del:function(a){a.l.r=a.r,a.r.l=a.l,a.edge=null},right:function(a){return a.r},left:function(a){return a.l},leftRegion:function(a){return a.edge==null?c.bottomSite:a.edge.region[a.side]},rightRegion:function(a){return a.edge==null?c.bottomSite:a.edge.region[g[a.side]]}},e={bisect:function(a,b){var c={region:{l:a,r:b},ep:{l:null,r:null}},d=b.x-a.x,e=b.y-a.y,f=d>0?d:-d,g=e>0?e:-e;return c.c=a.x*d+a.y*e+(d*d+e*e)*.5,f>g?(c.a=1,c.b=e/d,c.c/=d):(c.b=1,c.a=d/e,c.c/=e),c},intersect:function(a,b){var c=a.edge,d=b.edge;if(!c||!d||c.region.r==d.region.r)return null;var e=c.a*d.b-c.b*d.a;if(Math.abs(e)<1e-10)return null;var f=(c.c*d.b-d.c*c.b)/e,g=(d.c*c.a-c.c*d.a)/e,h=c.region.r,i=d.region.r,j,k;h.y<i.y||h.y==i.y&&h.x<i.x?(j=a,k=c):(j=b,k=d);var l=f>=k.region.r.x;return l&&j.side==="l"||!l&&j.side==="r"?null:{x:f,y:g}},rightOf:function(a,b){var c=a.edge,d=c.region.r,e=b.x>d.x;if(e&&a.side==="l")return 1;if(!e&&a.side==="r")return 0;if(c.a===1){var f=b.y-d.y,g=b.x-d.x,h=0,i=0;!e&&c.b<0||e&&c.b>=0?i=h=f>=c.b*g:(i=b.x+b.y*c.b>c.c,c.b<0&&(i=!i),i||(h=1));if(!h){var j=d.x-c.region.l.x;i=c.b*(g*g-f*f)<j*f*(1+2*g/j+c.b*c.b),c.b<0&&(i=!i)}}else{var k=c.c-c.a*b.x,l=b.y-k,m=b.x-d.x,n=k-d.y;i=l*l>m*m+n*n}return a.side==="l"?i:!i},endPoint:function(a,c,d){a.ep[c]=d;if(!a.ep[g[c]])return;b(a)},distance:function(a,b){var c=a.x-b.x,d=a.y-b.y;return Math.sqrt(c*c+d*d)}},f={list:[],insert:function(a,b,c){a.vertex=b,a.ystar=b.y+c;for(var d=0,e=f.list,g=e.length;d<g;d++){var h=e[d];if(a.ystar>h.ystar||a.ystar==h.ystar&&b.x>h.vertex.x)continue;break}e.splice(d,0,a)},del:function(a){for(var b=0,c=f.list,d=c.length;b<d&&c[b]!=a;++b);c.splice(b,1)},empty:function(){return f.list.length===0},nextEvent:function(a){for(var b=0,c=f.list,d=c.length;b<d;++b)if(c[b]==a)return c[b+1];return null},min:function(){var a=f.list[0];return{x:a.vertex.x,y:a.ystar}},extractMin:function(){return f.list.shift()}};d.init(),c.bottomSite=c.list.shift();var h=c.list.shift(),i,j,k,l,m,n,o,p,q,r,s,t,u;for(;;){f.empty()||(i=f.min());if(h&&(f.empty()||h.y<i.y||h.y==i.y&&h.x<i.x))j=d.leftBound(h),k=d.right(j),o=d.rightRegion(j),t=e.bisect(o,h),n=d.createHalfEdge(t,"l"),d.insert(j,n),r=e.intersect(j,n),r&&(f.del(j),f.insert(j,r,e.distance(r,h))),j=n,n=d.createHalfEdge(t,"r"),d.insert(j,n),r=e.intersect(n,k),r&&f.insert(n,r,e.distance(r,h)),h=c.list.shift();else if(!f.empty())j=f.extractMin(),l=d.left(j),k=d.right(j),m=d.right(k),o=d.leftRegion(j),p=d.rightRegion(k),s=j.vertex,e.endPoint(j.edge,j.side,s),e.endPoint(k.edge,k.side,s),d.del(j),f.del(k),d.del(k),u="l",o.y>p.y&&(q=o,o=p,p=q,u="r"),t=e.bisect(o,p),n=d.createHalfEdge(t,u),d.insert(l,n),e.endPoint(t,g[u],s),r=e.intersect(l,n),r&&(f.del(l),f.insert(l,r,e.distance(r,o))),r=e.intersect(n,m),r&&f.insert(n,r,e.distance(r,o));else break}for(j=d.right(d.leftEnd);j!=d.rightEnd;j=d.right(j))b(j.edge)}function i(){return{leaf:!0,nodes:[],point:null}}function j(a,b,c,d,e,f){if(!a(b,c,d,e,f)){var g=(c+e)*.5,h=(d+f)*.5,i=b.nodes;i[0]&&j(a,i[0],c,d,g,h),i[1]&&j(a,i[1],g,d,e,h),i[2]&&j(a,i[2],c,h,g,f),i[3]&&j(a,i[3],g,h,e,f)}}function k(a){return{x:a[0],y:a[1]}}d3.geom={},d3.geom.contour=function(d,e){var f=e||c(d),g=[],h=f[0],i=f[1],j=0,k=0,l=NaN,m=NaN,n=0;do n=0,d(h-1,i-1)&&(n+=1),d(h,i-1)&&(n+=2),d(h-1,i)&&(n+=4),d(h,i)&&(n+=8),n===6?(j=m===-1?-1:1,k=0):n===9?(j=0,k=l===1?-1:1):(j=a[n],k=b[n]),j!=l&&k!=m&&(g.push([h,i]),l=j,m=k),h+=j,i+=k;while(f[0]!=h||f[1]!=i);return g};var a=[1,0,1,1,-1,0,-1,1,0,0,0,0,-1,0,-1,NaN],b=[0,-1,0,0,0,-1,0,0,1,-1,1,1,0,-1,0,NaN];d3.geom.hull=function(a){if(a.length<3)return[];var b=a.length,c=b-1,e=[],f=[],g,h,i=0,j,k,l,m,n,o,p,q;for(g=1;g<b;++g)a[g][1]<a[i][1]?i=g:a[g][1]==a[i][1]&&(i=a[g][0]<a[i][0]?g:i);for(g=0;g<b;++g){if(g===i)continue;k=a[g][1]-a[i][1],j=a[g][0]-a[i][0],e.push({angle:Math.atan2(k,j),index:g})}e.sort(function(a,b){return a.angle-b.angle}),p=e[0].angle,o=e[0].index,n=0;for(g=1;g<c;++g)h=e[g].index,p==e[g].angle?(j=a[o][0]-a[i][0],k=a[o][1]-a[i][1],l=a[h][0]-a[i][0],m=a[h][1]-a[i][1],j*j+k*k>=l*l+m*m?e[g].index=-1:(e[n].index=-1,p=e[g].angle,n=g,o=h)):(p=e[g].angle,n=g,o=h);f.push(i);for(g=0,h=0;g<2;++h)e[h].index!==-1&&(f.push(e[h].index),g++);q=f.length;for(;h<c;++h){if(e[h].index===-1)continue;while(!d(f[q-2],f[q-1],e[h].index,a))--q;f[q++]=e[h].index}var r=[];for(g=0;g<q;++g)r.push(a[f[g]]);return r},d3.geom.polygon=function(a){return a.area=function(){var b=0,c=a.length,d=a[c-1][0]*a[0][1],e=a[c-1][1]*a[0][0];while(++b<c)d+=a[b-1][0]*a[b][1],e+=a[b-1][1]*a[b][0];return(e-d)*.5},a.centroid=function(b){var c=-1,d=a.length-1,e=0,f=0,g,h,i;arguments.length||(b=-1/(6*a.area()));while(++c<d)g=a[c],h=a[c+1],i=g[0]*h[1]-h[0]*g[1],e+=(g[0]+h[0])*i,f+=(g[1]+h[1])*i;return[e*b,f*b]},a.clip=function(b){var c,d=-1,g=a.length,h,i,j=a[g-1],k,l,m;while(++d<g){c=b.slice(),b.length=0,k=a[d],l=c[(i=c.length)-1],h=-1;while(++h<i)m=c[h],e(m,j,k)?(e(l,j,k)||b.push(f(l,m,j,k)),b.push(m)):e(l,j,k)&&b.push(f(l,m,j,k)),l=m;j=k}return b},a},d3.geom.voronoi=function(a){var b=a.map(function(){return[]});return h(a,function(a){var c,d,e,f,g,h;a.a===1&&a.b>=0?(c=a.ep.r,d=a.ep.l):(c=a.ep.l,d=a.ep.r),a.a===1?(g=c?c.y:-1e6,e=a.c-a.b*g,h=d?d.y:1e6,f=a.c-a.b*h):(e=c?c.x:-1e6,g=a.c-a.a*e,f=d?d.x:1e6,h=a.c-a.a*f);var i=[e,g],j=[f,h];b[a.region.l.index].push(i,j),b[a.region.r.index].push(i,j)}),b.map(function(b,c){var d=a[c][0],e=a[c][1];return b.forEach(function(a){a.angle=Math.atan2(a[0]-d,a[1]-e)}),b.sort(function(a,b){return a.angle-b.angle}).filter(function(a,c){return!c||a.angle-b[c-1].angle>1e-10})})};var g={l:"r",r:"l"};d3.geom.delaunay=function(a){var b=a.map(function(){return[]}),c=[];return h(a,function(c){b[c.region.l.index].push(a[c.region.r.index])}),b.forEach(function(b,d){var e=a[d],f=e[0],g=e[1];b.forEach(function(a){a.angle=Math.atan2(a[0]-f,a[1]-g)}),b.sort(function(a,b){return a.angle-b.angle});for(var h=0,i=b.length-1;h<i;h++)c.push([e,b[h],b[h+1]])}),c},d3.geom.quadtree=function(a,b,c,d,e){function n(a,b,c,d,e,f){if(isNaN(b.x)||isNaN(b.y))return;if(a.leaf){var g=a.point;g?Math.abs(g.x-b.x)+Math.abs(g.y-b.y)<.01?o(a,b,c,d,e,f):(a.point=null,o(a,g,c,d,e,f),o(a,b,c,d,e,f)):a.point=b}else o(a,b,c,d,e,f)}function o(a,b,c,d,e,f){var g=(c+e)*.5,h=(d+f)*.5,j=b.x>=g,k=b.y>=h,l=(k<<1)+j;a.leaf=!1,a=a.nodes[l]||(a.nodes[l]=i()),j?c=g:e=g,k?d=h:f=h,n(a,b,c,d,e,f)}var f,g=-1,h=a.length;h&&isNaN(a[0].x)&&(a=a.map(k));if(arguments.length<5)if(arguments.length===3)e=d=c,c=b;else{b=c=Infinity,d=e=-Infinity;while(++g<h)f=a[g],f.x<b&&(b=f.x),f.y<c&&(c=f.y),f.x>d&&(d=f.x),f.y>e&&(e=f.y);var l=d-b,m=e-c;l>m?e=c+l:d=b+m}var p=i();return p.add=function(a){n(p,a,b,c,d,e)},p.visit=function(a){j(a,p,b,c,d,e)},a.forEach(p.add),p}})(); \ No newline at end of file
diff --git a/visualize/static/d3.js b/visualize/static/d3.js
deleted file mode 100644
index 9042897e..00000000
--- a/visualize/static/d3.js
+++ /dev/null
@@ -1,4707 +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: "2.7.2"}; // semver
-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];
-};
-function d3_this() {
- return this;
-}
-d3.functor = function(v) {
- return typeof v === "function" ? v : function() { return v; };
-};
-// 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;
-}
-// Locate the insertion point for x in a to maintain sorted order. The
-// arguments lo and hi may be used to specify a subset of the array which should
-// be considered; by default the entire array is used. If x is already present
-// in a, the insertion point will be before (to the left of) any existing
-// entries. The return value is suitable for use as the first argument to
-// `array.splice` assuming that a is already sorted.
-//
-// The returned insertion point i partitions the array a into two halves so that
-// all v < x for v in a[lo:i] for the left side and all v >= x for v in a[i:hi]
-// for the right side.
-d3.bisectLeft = 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 (a[mid] < x) lo = mid + 1;
- else hi = mid;
- }
- return lo;
-};
-
-// Similar to bisectLeft, but returns an insertion point which comes after (to
-// the right of) any existing entries of x in a.
-//
-// The returned insertion point i partitions the array into two halves so that
-// all v <= x for v in a[lo:i] for the left side and all v > x for v in a[i:hi]
-// for the right side.
-d3.bisect =
-d3.bisectRight = 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 < a[mid]) hi = mid;
- else lo = mid + 1;
- }
- return lo;
-};
-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,
- o = {};
-
- while (++i < n) {
- if ((keyValue = key(object = array[i])) in o) {
- o[keyValue].push(object);
- } else {
- o[keyValue] = [object];
- }
- }
-
- for (keyValue in o) {
- o[keyValue] = map(o[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, " ");
-}
-/**
- * @param {number} start
- * @param {number=} stop
- * @param {number=} step
- */
-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 = [],
- i = -1,
- j;
- if (step < 0) while ((j = start + step * ++i) > stop) range.push(j);
- else while ((j = start + step * ++i) < stop) range.push(j);
- return range;
-};
-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 * Math.pow(10, n)) * Math.pow(10, -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) callback(req.status < 300 ? 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(":");
- return i < 0 ? (name in d3_nsPrefix
- ? {space: d3_nsPrefix[name], local: name} : name)
- : {space: d3_nsPrefix[name.substring(0, i)], local: name.substring(i + 1)};
- }
-};
-d3.dispatch = function() {
- var dispatch = new d3_dispatch(),
- i = -1,
- n = arguments.length;
- while (++i < n) dispatch[arguments[i]] = d3_dispatch_event();
- 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), this);
-};
-
-function d3_dispatch_event() {
- var listeners = [],
- listenerByName = {};
-
- function dispatch() {
- var z = listeners, // defensive reference
- i = -1,
- n = z.length,
- l;
- while (++i < n) if (l = z[i].on) l.apply(this, arguments);
- }
-
- dispatch.on = function(name, listener) {
- var l, i;
-
- // return the current listener, if any
- if (arguments.length < 2) return (l = listenerByName[name]) && l.on;
-
- // remove the old listener, if any (with copy-on-write)
- if (l = listenerByName[name]) {
- l.on = null;
- listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
- delete listenerByName[name];
- }
-
- // add the new listener, if any
- if (listener) {
- listeners.push(listenerByName[name] = {on: listener});
- }
-
- return dispatch;
- };
-
- return dispatch;
-};
-// 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[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;
- 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 = {
- 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) {
- return {
- scale: Math.pow(10, (8 - i) * 3),
- 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);
-
-var d3_ease = {
- linear: function() { return d3_ease_linear; },
- 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 = {
- "in": function(f) { return f; },
- "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";
- return d3_ease_clamp(d3_ease_mode[m](d3_ease[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_linear(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();
-}
-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) {
- return d3.interpolateString(d3.transform(a) + "", d3.transform(b) + "");
-};
-
-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;
- 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+)(?:[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" ? b in d3_rgb_names || /^(#|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[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 = {
- 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"
-};
-
-for (var d3_rgb_name in d3_rgb_names) {
- d3_rgb_names[d3_rgb_name] = d3_rgb_parse(
- d3_rgb_names[d3_rgb_name],
- 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]; };
- 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 = name.split(d3_selection_classedWhitespace),
- 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;
- }
-};
-
-var d3_selection_classedWhitespace = /\s+/g;
-
-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);
- });
-};
-// TODO data(null) for clearing data?
-d3_selectionPrototype.data = function(data, join) {
- var enter = [],
- update = [],
- exit = [];
-
- 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 (join) {
- var nodeByKey = {},
- keys = [],
- key,
- j = groupData.length;
-
- for (i = -1; ++i < n;) {
- key = join.call(node = group[i], node.__data__, i);
- if (key in nodeByKey) {
- exitNodes[j++] = node; // duplicate key
- } else {
- nodeByKey[key] = node;
- }
- keys.push(key);
- }
-
- for (i = -1; ++i < m;) {
- node = nodeByKey[key = join.call(groupData, nodeData = groupData[i], 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;
- }
- delete nodeByKey[key];
- }
-
- for (i = -1; ++i < n;) {
- if (keys[i] in nodeByKey) {
- 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 i = -1,
- n = this.length,
- group;
- if (typeof data === "function") {
- while (++i < n) {
- bind(group = this[i], data.call(group, group.parentNode.__data__, i));
- }
- } else {
- while (++i < n) {
- bind(group = this[i], data);
- }
- }
-
- var selection = d3_selection(update);
- selection.enter = function() { return d3_selection_enter(enter); };
- selection.exit = function() { return d3_selection(exit); };
- return selection;
-};
-
-function d3_selection_dataNode(data) {
- return {__data__: 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.map = function(map) {
- return this.each(function() {
- this.__data__ = map.apply(this, arguments);
- });
-};
-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;
-
- if (node[name]) node.removeEventListener(type, node[name], capture);
- if (listener) node.addEventListener(type, node[name] = l, capture);
-
- // 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;
- }
- }
-
- // stash the unwrapped listener for retrieval
- l._ = listener;
- });
-};
-d3_selectionPrototype.each = function(callback) {
- for (var j = -1, m = this.length; ++j < m;) {
- for (var group = this[j], i = -1, n = group.length; ++i < n;) {
- var node = group[i];
- if (node) callback.call(node, node.__data__, i, j);
- }
- }
- return this;
-};
-//
-// 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: 0, duration: 250} : null);
- }
- }
-
- return d3_transition(subgroups, d3_transitionInheritId || ++d3_transitionId, 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_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 = {},
- 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[name];
- if (tween == null) delete tweens[name];
- else tweens[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) {
- groups.each(function(d, i, j) {
- var tweened = [],
- node = this,
- delay = groups[j][i].delay,
- duration = groups[j][i].duration,
- lock = node.__transition__ || (node.__transition__ = {active: 0, count: 0});
-
- ++lock.count;
-
- delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time);
-
- function start(elapsed) {
- if (lock.active > id) return stop();
- lock.active = id;
-
- for (var tween in tweens) {
- if (tween = tweens[tween].call(node, d, i)) {
- tweened.push(tween);
- }
- }
-
- 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_transitionInheritId = id;
- event.end.call(node, d, i);
- d3_transitionInheritId = 0;
- return 1;
- }
- }
-
- function stop() {
- if (!--lock.count) delete node.__transition__;
- return 1;
- }
- });
- 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_transitionId = 0,
- d3_transitionInheritId = 0,
- d3_transitionEase = d3.ease("cubic-in-out");
-
-d3_transitionPrototype.call = d3_selectionPrototype.call;
-
-d3.transition = function() {
- return 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", function() {
- var p;
- if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
- });
-};
-d3_transitionPrototype.delay = function(value) {
- var groups = this;
- return groups.each(typeof value === "function"
- ? function(d, i, j) { groups[j][i].delay = +value.apply(this, arguments); }
- : (value = +value, function(d, i, j) { groups[j][i].delay = value; }));
-};
-d3_transitionPrototype.duration = function(value) {
- var groups = this;
- return groups.each(typeof value === "function"
- ? function(d, i, j) { groups[j][i].duration = +value.apply(this, arguments); }
- : (value = +value, function(d, i, j) { groups[j][i].duration = value; }));
-};
-function d3_transition_each(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) callback.call(node = node.node, node.__data__, i, j);
- }
- }
- 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;
-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 = domain.length == 2 ? d3_scale_bilinear : d3_scale_polylinear,
- 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; }
- };
-}
-
-// TODO Dates? Ugh.
-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,
- n = domain.length;
-
- while (++j < n) {
- 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, domain.length - 1) - 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 = 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[x] || (index[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 = {};
- var i = -1, n = x.length, xi;
- while (++i < n) if (!index[xi = x[i]]) index[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 start = x[0],
- stop = x[1],
- step = (stop - start) / (domain.length + padding);
- range = steps(start + step * padding, step);
- 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 start = x[0],
- stop = x[1],
- step = Math.floor((stop - start) / (domain.length + padding));
- range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);
- rangeBand = Math.round(step * (1 - padding));
- ranger = {t: "rangeRoundBands", x: x, p: padding};
- return scale;
- };
-
- scale.rangeBand = function() {
- return rangeBand;
- };
-
- scale.rangeExtent = function() {
- return ranger.t === "range" ? d3_scaleExtent(ranger.x) : 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.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,
- interpolate = "linear",
- interpolator = d3_svg_lineInterpolators[interpolate],
- tension = .7;
-
- function line(d) {
- return d.length < 1 ? null : "M" + interpolator(projection(d3_svg_linePoints(this, d, x, y)), tension);
- }
-
- line.x = function(v) {
- if (!arguments.length) return x;
- x = v;
- return line;
- };
-
- line.y = function(v) {
- if (!arguments.length) return y;
- y = v;
- return line;
- };
-
- line.interpolate = function(v) {
- if (!arguments.length) return interpolate;
- interpolator = d3_svg_lineInterpolators[interpolate = v];
- return line;
- };
-
- line.tension = function(v) {
- if (!arguments.length) return tension;
- tension = v;
- return line;
- };
-
- return line;
-}
-
-d3.svg.line = function() {
- return d3_svg_line(Object);
-};
-
-// Converts the specified array of data into an array of points
-// (x-y tuples), by evaluating the specified `x` and `y` functions on each
-// data point. The `this` context of the evaluated functions is the specified
-// "self" object; each function is passed the current datum and index.
-function d3_svg_linePoints(self, d, x, y) {
- var points = [],
- i = -1,
- n = d.length,
- fx = typeof x === "function",
- fy = typeof y === "function",
- value;
- if (fx && fy) {
- while (++i < n) points.push([
- x.call(self, value = d[i], i),
- y.call(self, value, i)
- ]);
- } else if (fx) {
- while (++i < n) points.push([x.call(self, d[i], i), y]);
- } else if (fy) {
- while (++i < n) points.push([x, y.call(self, d[i], i)]);
- } else {
- while (++i < n) points.push([x, y]);
- }
- return points;
-}
-
-// 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];
-}
-
-// The various interpolators supported by the `line` class.
-var d3_svg_lineInterpolators = {
- "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,
- 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,
- interpolate,
- i0,
- i1,
- tension = .7;
-
- function area(d) {
- if (d.length < 1) return null;
- var points0 = d3_svg_linePoints(this, d, x0, y0),
- points1 = d3_svg_linePoints(this, d, x0 === x1 ? d3_svg_areaX(points0) : x1, y0 === y1 ? d3_svg_areaY(points0) : y1);
- return "M" + i0(projection(points1), tension)
- + "L" + i1(projection(points0.reverse()), tension)
- + "Z";
- }
-
- area.x = function(x) {
- if (!arguments.length) return x1;
- x0 = x1 = x;
- return area;
- };
-
- area.x0 = function(x) {
- if (!arguments.length) return x0;
- x0 = x;
- return area;
- };
-
- area.x1 = function(x) {
- if (!arguments.length) return x1;
- x1 = x;
- return area;
- };
-
- area.y = function(y) {
- if (!arguments.length) return y1;
- y0 = y1 = y;
- return area;
- };
-
- area.y0 = function(y) {
- if (!arguments.length) return y0;
- y0 = y;
- return area;
- };
-
- area.y1 = function(y) {
- if (!arguments.length) return y1;
- y1 = y;
- return area;
- };
-
- area.interpolate = function(x) {
- if (!arguments.length) return interpolate;
- i0 = d3_svg_lineInterpolators[interpolate = x];
- i1 = i0.reverse || i0;
- return area;
- };
-
- area.tension = function(x) {
- if (!arguments.length) return tension;
- tension = x;
- return area;
- };
-
- return area.interpolate("linear");
-}
-
-d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
-d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
-
-d3.svg.area = function() {
- return d3_svg_area(Object);
-};
-
-function d3_svg_areaX(points) {
- return function(d, i) {
- return points[i][0];
- };
-}
-
-function d3_svg_areaY(points) {
- return function(d, i) {
- return points[i][1];
- };
-}
-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 = function(container) {
- return d3_svg_mousePoint(container, d3.event);
-};
-
-// https://bugs.webkit.org/show_bug.cgi?id=44083
-var d3_mouse_bug44083 = /WebKit/.test(navigator.userAgent) ? -1 : 0;
-
-function d3_svg_mousePoint(container, e) {
- var point = (container.ownerSVGElement || container).createSVGPoint();
- if ((d3_mouse_bug44083 < 0) && (window.scrollX || window.scrollY)) {
- var 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];
-};
-d3.svg.touches = function(container, touches) {
- if (arguments.length < 2) touches = d3.event.touches;
-
- return touches ? d3_array(touches).map(function(touch) {
- var point = d3_svg_mousePoint(container, touch);
- point.identifier = touch.identifier;
- return point;
- }) : [];
-};
-d3.svg.symbol = function() {
- var type = d3_svg_symbolType,
- size = d3_svg_symbolSize;
-
- function symbol(d, i) {
- return (d3_svg_symbols[type.call(this, d, i)]
- || d3_svg_symbols.circle)
- (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";
-}
-
-// TODO cross-diagonal?
-var d3_svg_symbols = {
- "circle": function(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";
- },
- "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.keys(d3_svg_symbols);
-
-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],
- tickFormat_,
- tickSubdivide = 0;
-
- function axis(selection) {
- selection.each(function(d, i, j) {
- var g = d3.select(this);
-
- // If selection is a transition, create subtransitions.
- var transition = selection.delay ? function(o) {
- var id = d3_transitionInheritId;
- try {
- d3_transitionInheritId = selection.id;
- return o.transition()
- .delay(selection[j][i].delay)
- .duration(selection[j][i].duration)
- .ease(selection.ease());
- } finally {
- d3_transitionInheritId = id;
- }
- } : Object;
-
- // Ticks, or domain values for ordinal scales.
- var ticks = scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain(),
- 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 = transition(subtick.exit()).style("opacity", 1e-6).remove(),
- subtickUpdate = 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 = transition(tick.exit()).style("opacity", 1e-6).remove(),
- tickUpdate = 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 = 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");
- tickUpdate.select("text").text(tickFormat);
-
- switch (orient) {
- case "bottom": {
- tickTransform = d3_svg_axisX;
- subtickEnter.attr("y2", tickMinorSize);
- subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
- tickEnter.select("line").attr("y2", tickMajorSize);
- tickEnter.select("text").attr("y", Math.max(tickMajorSize, 0) + tickPadding);
- tickUpdate.select("line").attr("x2", 0).attr("y2", tickMajorSize);
- tickUpdate.select("text").attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding).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);
- tickEnter.select("line").attr("y2", -tickMajorSize);
- tickEnter.select("text").attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
- tickUpdate.select("line").attr("x2", 0).attr("y2", -tickMajorSize);
- tickUpdate.select("text").attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)).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);
- tickEnter.select("line").attr("x2", -tickMajorSize);
- tickEnter.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
- tickUpdate.select("line").attr("x2", -tickMajorSize).attr("y2", 0);
- tickUpdate.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0).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);
- tickEnter.select("line").attr("x2", tickMajorSize);
- tickEnter.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding);
- tickUpdate.select("line").attr("x2", tickMajorSize).attr("y2", 0);
- tickUpdate.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0).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.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.dispatch("brushstart", "brush", "brushend"),
- x, // x-scale, optional
- y, // y-scale, optional
- extent = [[0, 0], [0, 0]]; // [x0, y0], [x1, y1]
-
- function brush(g) {
- var resizes = x && y ? ["n", "e", "s", "w", "nw", "ne", "se", "sw"]
- : x ? ["e", "w"]
- : y ? ["n", "s"]
- : [];
-
- g.each(function() {
- var g = d3.select(this).on("mousedown.brush", down),
- bg = g.selectAll(".background").data([,]),
- fg = g.selectAll(".extent").data([,]),
- tz = g.selectAll(".resize").data(resizes, String),
- e;
-
- // An invisible, mouseable area for starting a new brush.
- bg.enter().append("rect")
- .attr("class", "background")
- .style("visibility", "hidden")
- .style("pointer-events", "all")
- .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("rect")
- .attr("class", function(d) { return "resize " + d; })
- .attr("width", 6)
- .attr("height", 6)
- .style("visibility", "hidden")
- .style("pointer-events", brush.empty() ? "none" : "all")
- .style("cursor", function(d) { return d3_svg_brushCursor[d]; });
-
- // 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]);
- d3_svg_brushRedrawX(g, extent);
- }
- if (y) {
- e = d3_scaleRange(y);
- bg.attr("y", e[0]).attr("height", e[1] - e[0]);
- d3_svg_brushRedrawY(g, extent);
- }
- });
- }
-
- function down() {
- var target = d3.select(d3.event.target);
-
- // Store some global state for the duration of the brush gesture.
- d3_svg_brush = brush;
- d3_svg_brushTarget = this;
- d3_svg_brushExtent = extent;
- d3_svg_brushOffset = d3.svg.mouse(d3_svg_brushTarget);
-
- // If the extent was clicked on, drag rather than brush;
- // store the offset between the mouse and extent origin instead.
- if (d3_svg_brushDrag = target.classed("extent")) {
- d3_svg_brushOffset[0] = extent[0][0] - d3_svg_brushOffset[0];
- d3_svg_brushOffset[1] = extent[0][1] - d3_svg_brushOffset[1];
- }
-
- // If a resizer was clicked on, record which side is to be resized.
- // Also, set the offset to the opposite side.
- else if (target.classed("resize")) {
- d3_svg_brushResize = d3.event.target.__data__;
- d3_svg_brushOffset[0] = extent[+/w$/.test(d3_svg_brushResize)][0];
- d3_svg_brushOffset[1] = extent[+/^n/.test(d3_svg_brushResize)][1];
- }
-
- // If the ALT key is down when starting a brush, the center is at the mouse.
- else if (d3.event.altKey) {
- d3_svg_brushCenter = d3_svg_brushOffset.slice();
- }
-
- // Restrict which dimensions are resized.
- d3_svg_brushX = !/^(n|s)$/.test(d3_svg_brushResize) && x;
- d3_svg_brushY = !/^(e|w)$/.test(d3_svg_brushResize) && y;
-
- // Notify listeners.
- d3_svg_brushDispatch = dispatcher(this, arguments);
- d3_svg_brushDispatch("brushstart");
- d3_svg_brushMove();
- d3_eventCancel();
- }
-
- function dispatcher(that, argumentz) {
- return function(type) {
- var e = d3.event;
- try {
- d3.event = {type: type, target: brush};
- event[type].apply(that, argumentz);
- } finally {
- d3.event = e;
- }
- };
- }
-
- brush.x = function(z) {
- if (!arguments.length) return x;
- x = z;
- return brush;
- };
-
- brush.y = function(z) {
- if (!arguments.length) return y;
- y = z;
- return brush;
- };
-
- brush.extent = function(z) {
- var x0, x1, y0, y1, t;
-
- // Invert the pixel extent to data-space.
- if (!arguments.length) {
- if (x) {
- 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 = 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.
- if (x) {
- x0 = z[0], x1 = z[1];
- if (y) x0 = x0[0], x1 = x1[0];
- if (x.invert) x0 = x(x0), x1 = x(x1);
- if (x1 < x0) t = x0, x0 = x1, x1 = t;
- extent[0][0] = x0, extent[1][0] = x1;
- }
- if (y) {
- y0 = z[0], y1 = z[1];
- if (x) y0 = y0[1], y1 = y1[1];
- if (y.invert) y0 = y(y0), y1 = y(y1);
- if (y1 < y0) t = y0, y0 = y1, y1 = t;
- extent[0][1] = y0, extent[1][1] = y1;
- }
-
- return brush;
- };
-
- brush.clear = function() {
- 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]);
- };
-
- d3.select(window)
- .on("mousemove.brush", d3_svg_brushMove)
- .on("mouseup.brush", d3_svg_brushUp)
- .on("keydown.brush", d3_svg_brushKeydown)
- .on("keyup.brush", d3_svg_brushKeyup);
-
- return d3.rebind(brush, event, "on");
-};
-
-var d3_svg_brush,
- d3_svg_brushDispatch,
- d3_svg_brushTarget,
- d3_svg_brushX,
- d3_svg_brushY,
- d3_svg_brushExtent,
- d3_svg_brushDrag,
- d3_svg_brushResize,
- d3_svg_brushCenter,
- d3_svg_brushOffset;
-
-function d3_svg_brushRedrawX(g, extent) {
- g.select(".extent").attr("x", extent[0][0]);
- g.selectAll(".n,.s,.w,.nw,.sw").attr("x", extent[0][0] - 2);
- g.selectAll(".e,.ne,.se").attr("x", extent[1][0] - 3);
- g.selectAll(".extent,.n,.s").attr("width", extent[1][0] - extent[0][0]);
-}
-
-function d3_svg_brushRedrawY(g, extent) {
- g.select(".extent").attr("y", extent[0][1]);
- g.selectAll(".n,.e,.w,.nw,.ne").attr("y", extent[0][1] - 3);
- g.selectAll(".s,.se,.sw").attr("y", extent[1][1] - 4);
- g.selectAll(".extent,.e,.w").attr("height", extent[1][1] - extent[0][1]);
-}
-
-function d3_svg_brushKeydown() {
- if (d3.event.keyCode == 32 && d3_svg_brushTarget && !d3_svg_brushDrag) {
- d3_svg_brushCenter = null;
- d3_svg_brushOffset[0] -= d3_svg_brushExtent[1][0];
- d3_svg_brushOffset[1] -= d3_svg_brushExtent[1][1];
- d3_svg_brushDrag = 2;
- d3_eventCancel();
- }
-}
-
-function d3_svg_brushKeyup() {
- if (d3.event.keyCode == 32 && d3_svg_brushDrag == 2) {
- d3_svg_brushOffset[0] += d3_svg_brushExtent[1][0];
- d3_svg_brushOffset[1] += d3_svg_brushExtent[1][1];
- d3_svg_brushDrag = 0;
- d3_eventCancel();
- }
-}
-
-function d3_svg_brushMove() {
- if (d3_svg_brushOffset) {
- var mouse = d3.svg.mouse(d3_svg_brushTarget),
- g = d3.select(d3_svg_brushTarget);
-
- if (!d3_svg_brushDrag) {
-
- // If needed, determine the center from the current extent.
- if (d3.event.altKey) {
- if (!d3_svg_brushCenter) {
- d3_svg_brushCenter = [
- (d3_svg_brushExtent[0][0] + d3_svg_brushExtent[1][0]) / 2,
- (d3_svg_brushExtent[0][1] + d3_svg_brushExtent[1][1]) / 2
- ];
- }
-
- // Update the offset, for when the ALT key is released.
- d3_svg_brushOffset[0] = d3_svg_brushExtent[+(mouse[0] < d3_svg_brushCenter[0])][0];
- d3_svg_brushOffset[1] = d3_svg_brushExtent[+(mouse[1] < d3_svg_brushCenter[1])][1];
- }
-
- // When the ALT key is released, we clear the center.
- else d3_svg_brushCenter = null;
- }
-
- // Update the brush extent for each dimension.
- if (d3_svg_brushX) {
- d3_svg_brushMove1(mouse, d3_svg_brushX, 0);
- d3_svg_brushRedrawX(g, d3_svg_brushExtent);
- }
- if (d3_svg_brushY) {
- d3_svg_brushMove1(mouse, d3_svg_brushY, 1);
- d3_svg_brushRedrawY(g, d3_svg_brushExtent);
- }
-
- // Notify listeners.
- d3_svg_brushDispatch("brush");
- }
-}
-
-function d3_svg_brushMove1(mouse, scale, i) {
- var range = d3_scaleRange(scale),
- r0 = range[0],
- r1 = range[1],
- offset = d3_svg_brushOffset[i],
- size = d3_svg_brushExtent[1][i] - d3_svg_brushExtent[0][i],
- min,
- max;
-
- // When dragging, reduce the range by the extent size and offset.
- if (d3_svg_brushDrag) {
- r0 -= offset;
- r1 -= size + offset;
- }
-
- // Clamp the mouse so that the extent fits within the range extent.
- min = Math.max(r0, Math.min(r1, mouse[i]));
-
- // Compute the new extent bounds.
- if (d3_svg_brushDrag) {
- max = (min += offset) + size;
- } else {
-
- // If the ALT key is pressed, then preserve the center of the extent.
- if (d3_svg_brushCenter) offset = Math.max(r0, Math.min(r1, 2 * d3_svg_brushCenter[i] - min));
-
- // Compute the min and max of the offset and mouse.
- if (offset < min) {
- max = min;
- min = offset;
- } else {
- max = offset;
- }
- }
-
- // Update the stored bounds.
- d3_svg_brushExtent[0][i] = min;
- d3_svg_brushExtent[1][i] = max;
-}
-
-function d3_svg_brushUp() {
- if (d3_svg_brushOffset) {
- d3_svg_brushMove();
- d3.select(d3_svg_brushTarget).selectAll(".resize").style("pointer-events", d3_svg_brush.empty() ? "none" : "all");
- d3_svg_brushDispatch("brushend");
- d3_svg_brush =
- d3_svg_brushDispatch =
- d3_svg_brushTarget =
- d3_svg_brushX =
- d3_svg_brushY =
- d3_svg_brushExtent =
- d3_svg_brushDrag =
- d3_svg_brushResize =
- d3_svg_brushCenter =
- d3_svg_brushOffset = null;
- d3_eventCancel();
- }
-}
-
-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"
-};
-d3.behavior = {};
-// TODO Track touch points by identifier.
-
-d3.behavior.drag = function() {
- var event = d3.dispatch("drag", "dragstart", "dragend"),
- origin = null;
-
- function drag() {
- this
- .on("mousedown.drag", mousedown)
- .on("touchstart.drag", mousedown);
-
- d3.select(window)
- .on("mousemove.drag", d3_behavior_dragMove)
- .on("touchmove.drag", d3_behavior_dragMove)
- .on("mouseup.drag", d3_behavior_dragUp, true)
- .on("touchend.drag", d3_behavior_dragUp, true)
- .on("click.drag", d3_behavior_dragClick, true);
- }
-
- // snapshot the local context for subsequent dispatch
- function start() {
- d3_behavior_dragEvent = event;
- d3_behavior_dragEventTarget = d3.event.target;
- d3_behavior_dragTarget = this;
- d3_behavior_dragArguments = arguments;
- d3_behavior_dragOrigin = d3_behavior_dragPoint();
- if (origin) {
- d3_behavior_dragOffset = origin.apply(d3_behavior_dragTarget, d3_behavior_dragArguments);
- d3_behavior_dragOffset = [d3_behavior_dragOffset.x - d3_behavior_dragOrigin[0], d3_behavior_dragOffset.y - d3_behavior_dragOrigin[1]];
- } else {
- d3_behavior_dragOffset = [0, 0];
- }
- d3_behavior_dragMoved = 0;
- }
-
- function mousedown() {
- start.apply(this, arguments);
- d3_behavior_dragDispatch("dragstart");
- }
-
- drag.origin = function(x) {
- if (!arguments.length) return origin;
- origin = x;
- return drag;
- };
-
- return d3.rebind(drag, event, "on");
-};
-
-var d3_behavior_dragEvent,
- d3_behavior_dragEventTarget,
- d3_behavior_dragTarget,
- d3_behavior_dragArguments,
- d3_behavior_dragOffset,
- d3_behavior_dragOrigin,
- d3_behavior_dragMoved;
-
-function d3_behavior_dragDispatch(type) {
- var p = d3_behavior_dragPoint(),
- o = d3.event,
- e = d3.event = {type: type};
-
- if (p) {
- e.x = p[0] + d3_behavior_dragOffset[0];
- e.y = p[1] + d3_behavior_dragOffset[1];
- e.dx = p[0] - d3_behavior_dragOrigin[0];
- e.dy = p[1] - d3_behavior_dragOrigin[1];
- d3_behavior_dragMoved |= e.dx | e.dy;
- d3_behavior_dragOrigin = p;
- }
-
- try {
- d3_behavior_dragEvent[type].apply(d3_behavior_dragTarget, d3_behavior_dragArguments);
- } finally {
- d3.event = o;
- }
-
- o.stopPropagation();
- o.preventDefault();
-}
-
-function d3_behavior_dragPoint() {
- var p = d3_behavior_dragTarget.parentNode,
- t = d3.event.changedTouches;
- return p && (t
- ? d3.svg.touches(p, t)[0]
- : d3.svg.mouse(p));
-}
-
-function d3_behavior_dragMove() {
- if (!d3_behavior_dragTarget) return;
- var parent = d3_behavior_dragTarget.parentNode;
-
- // O NOES! The drag element was removed from the DOM.
- if (!parent) return d3_behavior_dragUp();
-
- d3_behavior_dragDispatch("drag");
- d3_eventCancel();
-}
-
-function d3_behavior_dragUp() {
- if (!d3_behavior_dragTarget) return;
- d3_behavior_dragDispatch("dragend");
-
- // If the node was moved, prevent the mouseup from propagating.
- // Also prevent the subsequent click from propagating (e.g., for anchors).
- if (d3_behavior_dragMoved) {
- d3_eventCancel();
- d3_behavior_dragMoved = d3.event.target === d3_behavior_dragEventTarget;
- }
-
- d3_behavior_dragEvent =
- d3_behavior_dragEventTarget =
- d3_behavior_dragTarget =
- d3_behavior_dragArguments =
- d3_behavior_dragOffset =
- d3_behavior_dragOrigin = null;
-}
-
-function d3_behavior_dragClick() {
- if (d3_behavior_dragMoved) {
- d3_eventCancel();
- d3_behavior_dragMoved = 0;
- }
-}
-// TODO unbind zoom behavior?
-d3.behavior.zoom = function() {
- var xyz = [0, 0, 0],
- event = d3.dispatch("zoom"),
- extent = d3_behavior_zoomInfiniteExtent;
-
- function zoom() {
- this
- .on("mousedown.zoom", mousedown)
- .on("mousewheel.zoom", mousewheel)
- .on("DOMMouseScroll.zoom", mousewheel)
- .on("dblclick.zoom", dblclick)
- .on("touchstart.zoom", touchstart);
-
- d3.select(window)
- .on("mousemove.zoom", d3_behavior_zoomMousemove)
- .on("mouseup.zoom", d3_behavior_zoomMouseup)
- .on("touchmove.zoom", d3_behavior_zoomTouchmove)
- .on("touchend.zoom", d3_behavior_zoomTouchup)
- .on("click.zoom", d3_behavior_zoomClick, true);
- }
-
- // snapshot the local context for subsequent dispatch
- function start() {
- d3_behavior_zoomXyz = xyz;
- d3_behavior_zoomExtent = extent;
- d3_behavior_zoomDispatch = event.zoom;
- d3_behavior_zoomEventTarget = d3.event.target;
- d3_behavior_zoomTarget = this;
- d3_behavior_zoomArguments = arguments;
- }
-
- function mousedown() {
- start.apply(this, arguments);
- d3_behavior_zoomPanning = d3_behavior_zoomLocation(d3.svg.mouse(d3_behavior_zoomTarget));
- d3_behavior_zoomMoved = 0;
- d3.event.preventDefault();
- window.focus();
- }
-
- // store starting mouse location
- function mousewheel() {
- start.apply(this, arguments);
- if (!d3_behavior_zoomZooming) d3_behavior_zoomZooming = d3_behavior_zoomLocation(d3.svg.mouse(d3_behavior_zoomTarget));
- d3_behavior_zoomTo(d3_behavior_zoomDelta() + xyz[2], d3.svg.mouse(d3_behavior_zoomTarget), d3_behavior_zoomZooming);
- }
-
- function dblclick() {
- start.apply(this, arguments);
- var mouse = d3.svg.mouse(d3_behavior_zoomTarget);
- d3_behavior_zoomTo(d3.event.shiftKey ? Math.ceil(xyz[2] - 1) : Math.floor(xyz[2] + 1), mouse, d3_behavior_zoomLocation(mouse));
- }
-
- // doubletap detection
- function touchstart() {
- start.apply(this, arguments);
- var touches = d3_behavior_zoomTouchup(),
- touch,
- now = Date.now();
- if ((touches.length === 1) && (now - d3_behavior_zoomLast < 300)) {
- d3_behavior_zoomTo(1 + Math.floor(xyz[2]), touch = touches[0], d3_behavior_zoomLocations[touch.identifier]);
- }
- d3_behavior_zoomLast = now;
- }
-
- zoom.extent = function(x) {
- if (!arguments.length) return extent;
- extent = x == null ? d3_behavior_zoomInfiniteExtent : x;
- return zoom;
- };
-
- return d3.rebind(zoom, event, "on");
-};
-
-var d3_behavior_zoomDiv,
- d3_behavior_zoomPanning,
- d3_behavior_zoomZooming,
- d3_behavior_zoomLocations = {}, // identifier -> location
- d3_behavior_zoomLast = 0,
- d3_behavior_zoomXyz,
- d3_behavior_zoomExtent,
- d3_behavior_zoomDispatch,
- d3_behavior_zoomEventTarget,
- d3_behavior_zoomTarget,
- d3_behavior_zoomArguments,
- d3_behavior_zoomMoved;
-
-function d3_behavior_zoomLocation(point) {
- return [
- point[0] - d3_behavior_zoomXyz[0],
- point[1] - d3_behavior_zoomXyz[1],
- d3_behavior_zoomXyz[2]
- ];
-}
-
-// detect the pixels that would be scrolled by this wheel event
-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 * .005;
-}
-
-// Note: Since we don't rotate, it's possible for the touches to become
-// slightly detached from their original positions. Thus, we recompute the
-// touch points on touchend as well as touchstart!
-function d3_behavior_zoomTouchup() {
- var touches = d3.svg.touches(d3_behavior_zoomTarget),
- i = -1,
- n = touches.length,
- touch;
- while (++i < n) d3_behavior_zoomLocations[(touch = touches[i]).identifier] = d3_behavior_zoomLocation(touch);
- return touches;
-}
-
-function d3_behavior_zoomTouchmove() {
- var touches = d3.svg.touches(d3_behavior_zoomTarget);
- switch (touches.length) {
-
- // single-touch pan
- case 1: {
- var touch = touches[0];
- d3_behavior_zoomTo(d3_behavior_zoomXyz[2], touch, d3_behavior_zoomLocations[touch.identifier]);
- break;
- }
-
- // double-touch pan + zoom
- case 2: {
- var p0 = touches[0],
- p1 = touches[1],
- p2 = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2],
- l0 = d3_behavior_zoomLocations[p0.identifier],
- l1 = d3_behavior_zoomLocations[p1.identifier],
- l2 = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2, l0[2]];
- d3_behavior_zoomTo(Math.log(d3.event.scale) / Math.LN2 + l0[2], p2, l2);
- break;
- }
- }
-}
-
-function d3_behavior_zoomMousemove() {
- d3_behavior_zoomZooming = null;
- if (d3_behavior_zoomPanning) {
- d3_behavior_zoomMoved = 1;
- d3_behavior_zoomTo(d3_behavior_zoomXyz[2], d3.svg.mouse(d3_behavior_zoomTarget), d3_behavior_zoomPanning);
- }
-}
-
-function d3_behavior_zoomMouseup() {
- if (d3_behavior_zoomPanning) {
- if (d3_behavior_zoomMoved) {
- d3_eventCancel();
- d3_behavior_zoomMoved = d3_behavior_zoomEventTarget === d3.event.target;
- }
-
- d3_behavior_zoomXyz =
- d3_behavior_zoomExtent =
- d3_behavior_zoomDispatch =
- d3_behavior_zoomEventTarget =
- d3_behavior_zoomTarget =
- d3_behavior_zoomArguments =
- d3_behavior_zoomPanning = null;
- }
-}
-
-function d3_behavior_zoomClick() {
- if (d3_behavior_zoomMoved) {
- d3_eventCancel();
- d3_behavior_zoomMoved = 0;
- }
-}
-
-function d3_behavior_zoomTo(z, x0, x1) {
- z = d3_behavior_zoomExtentClamp(z, 2);
- var j = Math.pow(2, d3_behavior_zoomXyz[2]),
- k = Math.pow(2, z),
- K = Math.pow(2, (d3_behavior_zoomXyz[2] = z) - x1[2]),
- x_ = d3_behavior_zoomXyz[0],
- y_ = d3_behavior_zoomXyz[1],
- x = d3_behavior_zoomXyz[0] = d3_behavior_zoomExtentClamp((x0[0] - x1[0] * K), 0, k),
- y = d3_behavior_zoomXyz[1] = d3_behavior_zoomExtentClamp((x0[1] - x1[1] * K), 1, k),
- o = d3.event; // Events can be reentrant (e.g., focus).
-
- d3.event = {
- scale: k,
- translate: [x, y],
- transform: function(sx, sy) {
- if (sx) transform(sx, x_, x);
- if (sy) transform(sy, y_, y);
- }
- };
-
- function transform(scale, a, b) {
- scale.domain(scale.range().map(function(v) { return scale.invert(((v - b) * j) / k + a); }));
- }
-
- try {
- d3_behavior_zoomDispatch.apply(d3_behavior_zoomTarget, d3_behavior_zoomArguments);
- } finally {
- d3.event = o;
- }
-
- o.preventDefault();
-}
-
-var d3_behavior_zoomInfiniteExtent = [
- [-Infinity, Infinity],
- [-Infinity, Infinity],
- [-Infinity, Infinity]
-];
-
-function d3_behavior_zoomExtentClamp(x, i, k) {
- var range = d3_behavior_zoomExtent[i],
- r0 = range[0],
- r1 = range[1];
- return arguments.length === 3
- ? Math.max(r1 * (r1 === Infinity ? -Infinity : 1 / k - 1),
- Math.min(r0 === -Infinity ? Infinity : r0, x / k)) * k
- : Math.max(r0, Math.min(r1, x));
-}
-})();
diff --git a/visualize/static/d3.layout.js b/visualize/static/d3.layout.js
deleted file mode 100644
index d93fbe5c..00000000
--- a/visualize/static/d3.layout.js
+++ /dev/null
@@ -1,1881 +0,0 @@
-(function(){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.push({
- 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("tick"),
- 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;
- };
- }
-
- function tick() {
- 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});
-
- // simulated annealing, basically
- return (alpha *= .99) < .005;
- }
-
- 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.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() {
- alpha = .1;
- d3.timer(tick);
- return force;
- };
-
- force.stop = function() {
- alpha = 0;
- return force;
- };
-
- // use `node.call(force.drag)` to make nodes draggable
- force.drag = function() {
- if (!drag) drag = d3.behavior.drag()
- .origin(Object)
- .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_forceDrag();
- 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) {
- 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 = Object,
- order = d3_layout_stackOrders["default"],
- offset = d3_layout_stackOffsets["zero"],
- 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[x];
- return stack;
- };
-
- stack.offset = function(x) {
- if (!arguments.length) return offset;
- offset = typeof x === "function" ? x : d3_layout_stackOffsets[x];
- 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 = {
-
- "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": function(data) {
- return d3.range(data.length);
- }
-
-};
-
-var d3_layout_stackOffsets = {
-
- "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": function(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.
- 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;
- 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 dendogram) 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 = v ? rect.dy : 0; // over+underflow
- while (++i < n) {
- o = row[i];
- o.x = x;
- o.y = y;
- o.dy = v;
- x += o.dx = 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 = v ? rect.dx : 0; // over+underflow
- while (++i < n) {
- o = row[i];
- o.x = x;
- o.y = y;
- o.dx = v;
- y += o.dy = 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;
- };
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diff --git a/visualize/static/visualize.js b/visualize/static/visualize.js
index e73171ea..bd7b6679 100644
--- a/visualize/static/visualize.js
+++ b/visualize/static/visualize.js
@@ -1,3 +1,23 @@
+/* archweb.js
+ * Homepage: https://projects.archlinux.org/archweb.git/
+ * Copyright: 2011 Dan McGee
+ * License: GPLv2
+ *
+ * This file is part of Archweb.
+ *
+ * Archweb is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Archweb is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Archweb. If not, see <http://www.gnu.org/licenses/>.
+ */
+
function packages_treemap(chart_id, orderings, default_order) {
var jq_div = jQuery(chart_id),
color = d3.scale.category20();