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@@ -0,0 +1,893 @@ +## Flot 0.8.1 ## + +### Bug fixes ### + + - Fixed a regression in the time plugin, introduced in 0.8, that caused dates + to align to the minute rather than to the highest appropriate unit. This + caused many x-axes in 0.8 to have different ticks than they did in 0.7. + (reported by Tom Sheppard, patch by Daniel Shapiro, issue #1017, pull + request #1023) + + - Fixed a regression in text rendering, introduced in 0.8, that caused axis + labels with the same text as another label on the same axis to disappear. + More generally, it's again possible to have the same text in two locations. + (issue #1032) + + - Fixed a regression in text rendering, introduced in 0.8, where axis labels + were no longer assigned an explicit width, and their text could not wrap. + (reported by sabregreen, issue #1019) + + - Fixed a regression in the pie plugin, introduced in 0.8, that prevented it + from accepting data in the format '[[x, y]]'. + (patch by Nicolas Morel, pull request #1024) + + - The 'zero' series option and 'autoscale' format option are no longer + ignored when the series contains a null value. + (reported by Daniel Shapiro, issue #1033) + + - Avoid triggering the time-mode plugin exception when there are zero series. + (reported by Daniel Rothig, patch by Mark Raymond, issue #1016) + + - When a custom color palette has fewer colors than the default palette, Flot + no longer fills out the colors with the remainder of the default. + (patch by goorpy, issue #1031, pull request #1034) + + - Fixed missing update for bar highlights after a zoom or other redraw. + (reported by Paolo Valleri, issue #1030) + + - Fixed compatibility with jQuery versions earlier than 1.7. + (patch by Lee Willis, issue #1027, pull request #1027) + + - The mouse wheel no longer scrolls the page when using the navigate plugin. + (patch by vird, pull request #1020) + + - Fixed missing semicolons in the core library. + (reported by Michal Zglinski) + + +## Flot 0.8.0 ## + +### API changes ### + +Support for time series has been moved into a plugin, jquery.flot.time.js. +This results in less code if time series are not used. The functionality +remains the same (plus timezone support, as described below); however, the +plugin must be included if axis.mode is set to "time". + +When the axis mode is "time", the axis option "timezone" can be set to null, +"browser", or a particular timezone (e.g. "America/New_York") to control how +the dates are displayed. If null, the dates are displayed as UTC. If +"browser", the dates are displayed in the time zone of the user's browser. + +Date/time formatting has changed and now follows a proper subset of the +standard strftime specifiers, plus one nonstandard specifier for quarters. +Additionally, if a strftime function is found in the Date object's prototype, +it will be used instead of the built-in formatter. + +Axis tick labels now use the class 'flot-tick-label' instead of 'tickLabel'. +The text containers for each axis now use the classes 'flot-[x|y]-axis' and +'flot-[x|y]#-axis' instead of '[x|y]Axis' and '[x|y]#Axis'. For compatibility +with Flot 0.7 and earlier text will continue to use the old classes as well, +but they are considered deprecated and will be removed in a future version. + +In previous versions the axis 'color' option was used to set the color of tick +marks and their label text. It now controls the color of the axis line, which +previously could not be changed separately, and continues to act as a default +for the tick-mark color. The color of tick label text is now set either by +overriding the 'flot-tick-label' CSS rule or via the axis 'font' option. + +A new plugin, jquery.flot.canvas.js, allows axis tick labels to be rendered +directly to the canvas, rather than using HTML elements. This feature can be +toggled with a simple option, making it easy to create interactive plots in the +browser using HTML, then re-render them to canvas for export as an image. + +The plugin tries to remain as faithful as possible to the original HTML render, +and goes so far as to automatically extract styles from CSS, to avoid having to +provide a separate set of styles when rendering to canvas. Due to limitations +of the canvas text API, the plugin cannot reproduce certain features, including +HTML markup embedded in labels, and advanced text styles such as 'em' units. + +The plugin requires support for canvas text, which may not be present in some +older browsers, even if they support the canvas tag itself. To use the plugin +with these browsers try using a shim such as canvas-text or FlashCanvas. + +The base and overlay canvas are now using the CSS classes "flot-base" and +"flot-overlay" to prevent accidental clashes (issue 540). + +### Changes ### + + - Addition of nonstandard %q specifier to date/time formatting. (patch + by risicle, issue 49) + + - Date/time formatting follows proper subset of strftime specifiers, and + support added for Date.prototype.strftime, if found. (patch by Mark Cote, + issues 419 and 558) + + - Fixed display of year ticks. (patch by Mark Cote, issue 195) + + - Support for time series moved to plugin. (patch by Mark Cote) + + - Display time series in different time zones. (patch by Knut Forkalsrud, + issue 141) + + - Added a canvas plugin to enable rendering axis tick labels to the canvas. + (sponsored by YCharts.com, implementation by Ole Laursen and David Schnur) + + - Support for setting the interval between redraws of the overlay canvas with + redrawOverlayInterval. (suggested in issue 185) + + - Support for multiple thresholds in thresholds plugin. (patch by Arnaud + Bellec, issue 523) + + - Support for plotting categories/textual data directly with new categories + plugin. + + - Tick generators now get the whole axis rather than just min/max. + + - Added processOffset and drawBackground hooks. (suggested in issue 639) + + - Added a grid "margin" option to set the space between the canvas edge and + the grid. + + - Prevent the pie example page from generating single-slice pies. (patch by + Shane Reustle) + + - In addition to "left" and "center", bars now recognize "right" as an + alignment option. (patch by Michael Mayer, issue 520) + + - Switched from toFixed to a much faster default tickFormatter. (patch by + Clemens Stolle) + + - Added to a more helpful error when using a time-mode axis without including + the flot.time plugin. (patch by Yael Elmatad) + + - Added a legend "sorted" option to control sorting of legend entries + independent of their series order. (patch by Tom Cleaveland) + + - Added a series "highlightColor" option to control the color of the + translucent overlay that identifies the dataset when the mouse hovers over + it. (patch by Eric Wendelin and Nate Abele, issues 168 and 299) + + - Added a plugin jquery.flot.errorbars, with an accompanying example, that + adds the ability to plot error bars, commonly used in many kinds of + statistical data visualizations. (patch by Rui Pereira, issue 215) + + - The legend now omits entries whose labelFormatter returns null. (patch by + Tom Cleaveland, Christopher Lambert, and Simon Strandgaard) + + - Added support for high pixel density (retina) displays, resulting in much + crisper charts on such devices. (patch by Olivier Guerriat, additional + fixes by Julien Thomas, maimairel, and Lau Bech Lauritzen) + + - Added the ability to control pie shadow position and alpha via a new pie + 'shadow' option. (patch by Julien Thomas, pull request #78) + + - Added the ability to set width and color for individual sides of the grid. + (patch by Ara Anjargolian, additional fixes by Karl Swedberg, pull requests #855 + and #880) + + - The selection plugin's getSelection now returns null when the selection + has been cleared. (patch by Nick Campbell, pull request #852) + + - Added a new option called 'zero' to bars and filled lines series, to control + whether the y-axis minimum is scaled to fit the data or set to zero. + (patch by David Schnur, issues #316, #529, and #856, pull request #911) + + - The plot function is now also a jQuery chainable property. + (patch by David Schnur, issues #734 and #816, pull request #953) + + - When only a single pie slice is beneath the combine threshold it is no longer + replaced by an 'other' slice. (suggested by Devin Bayer, issue #638) + + - Added lineJoin and minSize options to the selection plugin to control the + corner style and minimum size of the selection, respectively. + (patch by Ruth Linehan, pull request #963) + +### Bug fixes ### + + - Fix problem with null values and pie plugin. (patch by gcruxifix, + issue 500) + + - Fix problem with threshold plugin and bars. (based on patch by + kaarlenkaski, issue 348) + + - Fix axis box calculations so the boxes include the outermost part of the + labels too. + + - Fix problem with event clicking and hovering in IE 8 by updating Excanvas + and removing previous work-around. (test case by Ara Anjargolian) + + - Fix issues with blurry 1px border when some measures aren't integer. + (reported by Ara Anjargolian) + + - Fix bug with formats in the data processor. (reported by Peter Hull, + issue 534) + + - Prevent i from being declared global in extractRange. (reported by + Alexander Obukhov, issue 627) + + - Throw errors in a more cross-browser-compatible manner. (patch by + Eddie Kay) + + - Prevent pie slice outlines from being drawn when the stroke width is zero. + (reported by Chris Minett, issue 585) + + - Updated the navigate plugin's inline copy of jquery.mousewheel to fix + Webkit zoom problems. (reported by Hau Nguyen, issue 685) + + - Axis labels no longer appear as decimals rather than integers in certain + cases. (patch by Clemens Stolle, issue 541) + + - Automatic color generation no longer produces only whites and blacks when + there are many series. (patch by David Schnur and Tom Cleaveland) + + - Fixed an error when custom tick labels weren't provided as strings. (patch + by Shad Downey) + + - Prevented the local insertSteps and fmt variables from becoming global. + (first reported by Marc Bennewitz and Szymon Barglowski, patch by Nick + Campbell, issues #825 and #831, pull request #851) + + - Prevented several threshold plugin variables from becoming global. (patch + by Lasse Dahl Ebert) + + - Fixed various jQuery 1.8 compatibility issues. (issues #814 and #819, + pull request #877) + + - Pie charts with a slice equal to or approaching 100% of the pie no longer + appear invisible. (patch by David Schnur, issues #444, #658, #726, #824 + and #850, pull request #879) + + - Prevented several local variables from becoming global. (patch by aaa707) + + - Ensure that the overlay and primary canvases remain aligned. (issue #670, + pull request #901) + + - Added support for jQuery 1.9 by removing and replacing uses of $.browser. + (analysis and patch by Anthony Ryan, pull request #905) + + - Pie charts no longer disappear when redrawn during a resize or update. + (reported by Julien Bec, issue #656, pull request #910) + + - Avoided floating-point precision errors when calculating pie percentages. + (patch by James Ward, pull request #918) + + - Fixed compatibility with jQuery 1.2.6, which has no 'mouseleave' shortcut. + (reported by Bevan, original pull request #920, replaced by direct patch) + + - Fixed sub-pixel rendering issues with crosshair and selection lines. + (patches by alanayoub and Daniel Shapiro, pull requests #17 and #925) + + - Fixed rendering issues when using the threshold plugin with several series. + (patch by Ivan Novikov, pull request #934) + + - Pie charts no longer disappear when redrawn after calling setData(). + (reported by zengge1984 and pareeohnos, issues #810 and #945) + + - Added a work-around for the problem where points with a lineWidth of zero + still showed up with a visible line. (reported by SalvoSav, issue #842, + patch by Jamie Hamel-Smith, pull request #937) + + - Pie charts now accept values in string form, like other plot types. + (reported by laerdal.no, issue #534) + + - Avoid rounding errors in the threshold plugin. + (reported by jerikojerk, issue #895) + + - Fixed an error when using the navigate plugin with jQuery 1.9.x or later. + (reported by Paolo Valleri, issue #964) + + - Fixed inconsistencies between the highlight and unhighlight functions. + (reported by djamshed, issue #987) + + - Fixed recalculation of tickSize and tickDecimals on calls to setupGrid. + (patch by thecountofzero, pull request #861, issues #860, #1000) + + +## Flot 0.7 ## + +### API changes ### + +Multiple axes support. Code using dual axes should be changed from using +x2axis/y2axis in the options to using an array (although backwards- +compatibility hooks are in place). For instance, + +```js +{ + xaxis: { ... }, x2axis: { ... }, + yaxis: { ... }, y2axis: { ... } +} +``` + +becomes + +```js +{ + xaxes: [ { ... }, { ... } ], + yaxes: [ { ... }, { ... } ] +} +``` + +Note that if you're just using one axis, continue to use the xaxis/yaxis +directly (it now sets the default settings for the arrays). Plugins touching +the axes must be ported to take the extra axes into account, check the source +to see some examples. + +A related change is that the visibility of axes is now auto-detected. So if +you were relying on an axis to show up even without any data in the chart, you +now need to set the axis "show" option explicitly. + +"tickColor" on the grid options is now deprecated in favour of a corresponding +option on the axes, so: + +```js +{ grid: { tickColor: "#000" }} +``` + +becomes + +```js +{ xaxis: { tickColor: "#000"}, yaxis: { tickColor: "#000"} } +``` + +But if you just configure a base color Flot will now autogenerate a tick color +by adding transparency. Backwards-compatibility hooks are in place. + +Final note: now that IE 9 is coming out with canvas support, you may want to +adapt the excanvas include to skip loading it in IE 9 (the examples have been +adapted thanks to Ryley Breiddal). An alternative to excanvas using Flash has +also surfaced, if your graphs are slow in IE, you may want to give it a spin: + + http://code.google.com/p/flashcanvas/ + +### Changes ### + + - Support for specifying a bottom for each point for line charts when filling + them, this means that an arbitrary bottom can be used instead of just the x + axis. (based on patches patiently provided by Roman V. Prikhodchenko) + + - New fillbetween plugin that can compute a bottom for a series from another + series, useful for filling areas between lines. + + See new example percentiles.html for a use case. + + - More predictable handling of gaps for the stacking plugin, now all + undefined ranges are skipped. + + - Stacking plugin can stack horizontal bar charts. + + - Navigate plugin now redraws the plot while panning instead of only after + the fact. (raised by lastthemy, issue 235) + + Can be disabled by setting the pan.frameRate option to null. + + - Date formatter now accepts %0m and %0d to get a zero-padded month or day. + (issue raised by Maximillian Dornseif) + + - Revamped internals to support an unlimited number of axes, not just dual. + (sponsored by Flight Data Services, www.flightdataservices.com) + + - New setting on axes, "tickLength", to control the size of ticks or turn + them off without turning off the labels. + + - Axis labels are now put in container divs with classes, for instance labels + in the x axes can be reached via ".xAxis .tickLabel". + + - Support for setting the color of an axis. (sponsored by Flight Data + Services, www.flightdataservices.com) + + - Tick color is now auto-generated as the base color with some transparency, + unless you override it. + + - Support for aligning ticks in the axes with "alignTicksWithAxis" to ensure + that they appear next to each other rather than in between, at the expense + of possibly awkward tick steps. (sponsored by Flight Data Services, + www.flightdataservices.com) + + - Support for customizing the point type through a callback when plotting + points and new symbol plugin with some predefined point types. (sponsored + by Utility Data Corporation) + + - Resize plugin for automatically redrawing when the placeholder changes + size, e.g. on window resizes. (sponsored by Novus Partners) + + A resize() method has been added to plot object facilitate this. + + - Support Infinity/-Infinity for plotting asymptotes by hacking it into + +/-Number.MAX_VALUE. (reported by rabaea.mircea) + + - Support for restricting navigate plugin to not pan/zoom an axis. (based on + patch by kkaefer) + + - Support for providing the drag cursor for the navigate plugin as an option. + (based on patch by Kelly T. Moore) + + - Options for controlling whether an axis is shown or not (suggestion by Timo + Tuominen) and whether to reserve space for it even if it isn't shown. + + - New attribute $.plot.version with the Flot version as a string. + + - The version comment is now included in the minified jquery.flot.min.js. + + - New options.grid.minBorderMargin for adjusting the minimum margin provided + around the border (based on patch by corani, issue 188). + + - Refactor replot behaviour so Flot tries to reuse the existing canvas, + adding shutdown() methods to the plot. (based on patch by Ryley Breiddal, + issue 269) + + This prevents a memory leak in Chrome and hopefully makes replotting faster + for those who are using $.plot instead of .setData()/.draw(). Also update + jQuery to 1.5.1 to prevent IE leaks fixed in jQuery. + + - New real-time line chart example. + + - New hooks: drawSeries, shutdown. + +### Bug fixes ### + + - Fixed problem with findNearbyItem and bars on top of each other. (reported + by ragingchikn, issue 242) + + - Fixed problem with ticks and the border. (based on patch from + ultimatehustler69, issue 236) + + - Fixed problem with plugins adding options to the series objects. + + - Fixed a problem introduced in 0.6 with specifying a gradient with: + + ```{brightness: x, opacity: y }``` + + - Don't use $.browser.msie, check for getContext on the created canvas element + instead and try to use excanvas if it's not found. + + Fixes IE 9 compatibility. + + - highlight(s, index) was looking up the point in the original s.data instead + of in the computed datapoints array, which breaks with plugins that modify + the datapoints, such as the stacking plugin. (reported by curlypaul924, + issue 316) + + - More robust handling of axis from data passed in from getData(). (reported) + by Morgan) + + - Fixed problem with turning off bar outline. (fix by Jordi Castells, + issue 253) + + - Check the selection passed into setSelection in the selection + plugin, to guard against errors when synchronizing plots (fix by Lau + Bech Lauritzen). + + - Fix bug in crosshair code with mouseout resetting the crosshair even + if it is locked (fix by Lau Bech Lauritzen and Banko Adam). + + - Fix bug with points plotting using line width from lines rather than + points. + + - Fix bug with passing non-array 0 data (for plugins that don't expect + arrays, patch by vpapp1). + + - Fix errors in JSON in examples so they work with jQuery 1.4.2 + (fix reported by honestbleeps, issue 357). + + - Fix bug with tooltip in interacting.html, this makes the tooltip + much smoother (fix by bdkahn). Fix related bug inside highlighting + handler in Flot. + + - Use closure trick to make inline colorhelpers plugin respect + jQuery.noConflict(true), renaming the global jQuery object (reported + by Nick Stielau). + + - Listen for mouseleave events and fire a plothover event with empty + item when it occurs to drop highlights when the mouse leaves the + plot (reported by by outspirit). + + - Fix bug with using aboveData with a background (reported by + amitayd). + + - Fix possible excanvas leak (report and suggested fix by tom9729). + + - Fix bug with backwards compatibility for shadowSize = 0 (report and + suggested fix by aspinak). + + - Adapt examples to skip loading excanvas (fix by Ryley Breiddal). + + - Fix bug that prevent a simple f(x) = -x transform from working + correctly (fix by Mike, issue 263). + + - Fix bug in restoring cursor in navigate plugin (reported by Matteo + Gattanini, issue 395). + + - Fix bug in picking items when transform/inverseTransform is in use + (reported by Ofri Raviv, and patches and analysis by Jan and Tom + Paton, issue 334 and 467). + + - Fix problem with unaligned ticks and hover/click events caused by + padding on the placeholder by hardcoding the placeholder padding to + 0 (reported by adityadineshsaxena, Matt Sommer, Daniel Atos and some + other people, issue 301). + + - Update colorhelpers plugin to avoid dying when trying to parse an + invalid string (reported by cadavor, issue 483). + + + +## Flot 0.6 ## + +### API changes ### + +Selection support has been moved to a plugin. Thus if you're passing +selection: { mode: something }, you MUST include the file +jquery.flot.selection.js after jquery.flot.js. This reduces the size of +base Flot and makes it easier to customize the selection as well as +improving code clarity. The change is based on a patch from andershol. + +In the global options specified in the $.plot command, "lines", "points", +"bars" and "shadowSize" have been moved to a sub-object called "series": + +```js +$.plot(placeholder, data, { lines: { show: true }}) +``` + +should be changed to + +```js + $.plot(placeholder, data, { series: { lines: { show: true }}}) +``` + +All future series-specific options will go into this sub-object to +simplify plugin writing. Backward-compatibility code is in place, so +old code should not break. + +"plothover" no longer provides the original data point, but instead a +normalized one, since there may be no corresponding original point. + +Due to a bug in previous versions of jQuery, you now need at least +jQuery 1.2.6. But if you can, try jQuery 1.3.2 as it got some improvements +in event handling speed. + +## Changes ## + + - Added support for disabling interactivity for specific data series. + (request from Ronald Schouten and Steve Upton) + + - Flot now calls $() on the placeholder and optional legend container passed + in so you can specify DOM elements or CSS expressions to make it easier to + use Flot with libraries like Prototype or Mootools or through raw JSON from + Ajax responses. + + - A new "plotselecting" event is now emitted while the user is making a + selection. + + - The "plothover" event is now emitted immediately instead of at most 10 + times per second, you'll have to put in a setTimeout yourself if you're + doing something really expensive on this event. + + - The built-in date formatter can now be accessed as $.plot.formatDate(...) + (suggestion by Matt Manela) and even replaced. + + - Added "borderColor" option to the grid. (patches from Amaury Chamayou and + Mike R. Williamson) + + - Added support for gradient backgrounds for the grid. (based on patch from + Amaury Chamayou, issue 90) + + The "setting options" example provides a demonstration. + + - Gradient bars. (suggestion by stefpet) + + - Added a "plotunselected" event which is triggered when the selection is + removed, see "selection" example. (suggestion by Meda Ugo) + + - The option legend.margin can now specify horizontal and vertical margins + independently. (suggestion by someone who's annoyed) + + - Data passed into Flot is now copied to a new canonical format to enable + further processing before it hits the drawing routines. As a side-effect, + this should make Flot more robust in the face of bad data. (issue 112) + + - Step-wise charting: line charts have a new option "steps" that when set to + true connects the points with horizontal/vertical steps instead of diagonal + lines. + + - The legend labelFormatter now passes the series in addition to just the + label. (suggestion by Vincent Lemeltier) + + - Horizontal bars (based on patch by Jason LeBrun). + + - Support for partial bars by specifying a third coordinate, i.e. they don't + have to start from the axis. This can be used to make stacked bars. + + - New option to disable the (grid.show). + + - Added pointOffset method for converting a point in data space to an offset + within the placeholder. + + - Plugin system: register an init method in the $.flot.plugins array to get + started, see PLUGINS.txt for details on how to write plugins (it's easy). + There are also some extra methods to enable access to internal state. + + - Hooks: you can register functions that are called while Flot is crunching + the data and doing the plot. This can be used to modify Flot without + changing the source, useful for writing plugins. Some hooks are defined, + more are likely to come. + + - Threshold plugin: you can set a threshold and a color, and the data points + below that threshold will then get the color. Useful for marking data + below 0, for instance. + + - Stack plugin: you can specify a stack key for each series to have them + summed. This is useful for drawing additive/cumulative graphs with bars and + (currently unfilled) lines. + + - Crosshairs plugin: trace the mouse position on the axes, enable with + crosshair: { mode: "x"} (see the new tracking example for a use). + + - Image plugin: plot prerendered images. + + - Navigation plugin for panning and zooming a plot. + + - More configurable grid. + + - Axis transformation support, useful for non-linear plots, e.g. log axes and + compressed time axes (like omitting weekends). + + - Support for twelve-hour date formatting (patch by Forrest Aldridge). + + - The color parsing code in Flot has been cleaned up and split out so it's + now available as a separate jQuery plugin. It's included inline in the Flot + source to make dependency managing easier. This also makes it really easy + to use the color helpers in Flot plugins. + +## Bug fixes ## + + - Fixed two corner-case bugs when drawing filled curves. (report and analysis + by Joshua Varner) + + - Fix auto-adjustment code when setting min to 0 for an axis where the + dataset is completely flat on that axis. (report by chovy) + + - Fixed a bug with passing in data from getData to setData when the secondary + axes are used. (reported by nperelman, issue 65) + + - Fixed so that it is possible to turn lines off when no other chart type is + shown (based on problem reported by Glenn Vanderburg), and fixed so that + setting lineWidth to 0 also hides the shadow. (based on problem reported by + Sergio Nunes) + + - Updated mousemove position expression to the latest from jQuery. (reported + by meyuchas) + + - Use CSS borders instead of background in legend. (issues 25 and 45) + + - Explicitly convert axis min/max to numbers. + + - Fixed a bug with drawing marking lines with different colors. (reported by + Khurram) + + - Fixed a bug with returning y2 values in the selection event. (fix by + exists, issue 75) + + - Only set position relative on placeholder if it hasn't already a position + different from static. (reported by kyberneticist, issue 95) + + - Don't round markings to prevent sub-pixel problems. (reported by + Dan Lipsitt) + + - Make the grid border act similarly to a regular CSS border, i.e. prevent + it from overlapping the plot itself. This also fixes a problem with anti- + aliasing when the width is 1 pixel. (reported by Anthony Ettinger) + + - Imported version 3 of excanvas and fixed two issues with the newer version. + Hopefully, this will make Flot work with IE8. (nudge by Fabien Menager, + further analysis by Booink, issue 133) + + - Changed the shadow code for lines to hopefully look a bit better with + vertical lines. + + - Round tick positions to avoid possible problems with fractions. (suggestion + by Fred, issue 130) + + - Made the heuristic for determining how many ticks to aim for a bit smarter. + + - Fix for uneven axis margins (report and patch by Paul Kienzle) and snapping + to ticks. (report and patch by lifthrasiir) + + - Fixed bug with slicing in findNearbyItems. (patch by zollman) + + - Make heuristic for x axis label widths more dynamic. (patch by + rickinhethuis) + + - Make sure points on top take precedence when finding nearby points when + hovering. (reported by didroe, issue 224) + + + +## Flot 0.5 ## + +Timestamps are now in UTC. Also "selected" event -> becomes "plotselected" +with new data, the parameters for setSelection are now different (but +backwards compatibility hooks are in place), coloredAreas becomes markings +with a new interface (but backwards compatibility hooks are in place). + +### API changes ### + +Timestamps in time mode are now displayed according to UTC instead of the time +zone of the visitor. This affects the way the timestamps should be input; +you'll probably have to offset the timestamps according to your local time +zone. It also affects any custom date handling code (which basically now +should use the equivalent UTC date mehods, e.g. .setUTCMonth() instead of +.setMonth(). + +Markings, previously coloredAreas, are now specified as ranges on the axes, +like ```{ xaxis: { from: 0, to: 10 }}```. Furthermore with markings you can +now draw horizontal/vertical lines by setting from and to to the same +coordinate. (idea from line support patch by by Ryan Funduk) + +Interactivity: added a new "plothover" event and this and the "plotclick" +event now returns the closest data item (based on patch by /david, patch by +Mark Byers for bar support). See the revamped "interacting with the data" +example for some hints on what you can do. + +Highlighting: you can now highlight points and datapoints are autohighlighted +when you hover over them (if hovering is turned on). + +Support for dual axis has been added (based on patch by someone who's annoyed +and /david). For each data series you can specify which axes it belongs to, +and there are two more axes, x2axis and y2axis, to customize. This affects the +"selected" event which has been renamed to "plotselected" and spews out +```{ xaxis: { from: -10, to: 20 } ... },``` setSelection in which the +parameters are on a new form (backwards compatible hooks are in place so old +code shouldn't break) and markings (formerly coloredAreas). + +## Changes ## + + - Added support for specifying the size of tick labels (axis.labelWidth, + axis.labelHeight). Useful for specifying a max label size to keep multiple + plots aligned. + + - The "fill" option can now be a number that specifies the opacity of the + fill. + + - You can now specify a coordinate as null (like [2, null]) and Flot will + take the other coordinate into account when scaling the axes. (based on + patch by joebno) + + - New option for bars "align". Set it to "center" to center the bars on the + value they represent. + + - setSelection now takes a second parameter which you can use to prevent the + method from firing the "plotselected" handler. + + - Improved the handling of axis auto-scaling with bars. + +## Bug fixes ## + + - Fixed a bug in calculating spacing around the plot. (reported by + timothytoe) + + - Fixed a bug in finding max values for all-negative data sets. + + - Prevent the possibility of eternal looping in tick calculations. + + - Fixed a bug when borderWidth is set to 0. (reported by Rob/sanchothefat) + + - Fixed a bug with drawing bars extending below 0. (reported by James Hewitt, + patch by Ryan Funduk). + + - Fixed a bug with line widths of bars. (reported by MikeM) + + - Fixed a bug with 'nw' and 'sw' legend positions. + + - Fixed a bug with multi-line x-axis tick labels. (reported by Luca Ciano, + IE-fix help by Savage Zhang) + + - Using the "container" option in legend now overwrites the container element + instead of just appending to it, fixing the infinite legend bug. (reported + by several people, fix by Brad Dewey) + + + +## Flot 0.4 ## + +### API changes ### + +Deprecated axis.noTicks in favor of just specifying the number as axis.ticks. +So ```xaxis: { noTicks: 10 }``` becomes ```xaxis: { ticks: 10 }```. + +Time series support. Specify axis.mode: "time", put in Javascript timestamps +as data, and Flot will automatically spit out sensible ticks. Take a look at +the two new examples. The format can be customized with axis.timeformat and +axis.monthNames, or if that fails with axis.tickFormatter. + +Support for colored background areas via grid.coloredAreas. Specify an array +of { x1, y1, x2, y2 } objects or a function that returns these given +{ xmin, xmax, ymin, ymax }. + +More members on the plot object (report by Chris Davies and others). +"getData" for inspecting the assigned settings on data series (e.g. color) and +"setData", "setupGrid" and "draw" for updating the contents without a total +replot. + +The default number of ticks to aim for is now dependent on the size of the +plot in pixels. Support for customizing tick interval sizes directly with +axis.minTickSize and axis.tickSize. + +Cleaned up the automatic axis scaling algorithm and fixed how it interacts +with ticks. Also fixed a couple of tick-related corner case bugs (one reported +by mainstreetmark, another reported by timothytoe). + +The option axis.tickFormatter now takes a function with two parameters, the +second parameter is an optional object with information about the axis. It has +min, max, tickDecimals, tickSize. + +## Changes ## + + - Added support for segmented lines. (based on patch from Michael MacDonald) + + - Added support for ignoring null and bad values. (suggestion from Nick + Konidaris and joshwaihi) + + - Added support for changing the border width. (thanks to joebno and safoo) + + - Label colors can be changed via CSS by selecting the tickLabel class. + +## Bug fixes ## + + - Fixed a bug in handling single-item bar series. (reported by Emil Filipov) + + - Fixed erratic behaviour when interacting with the plot with IE 7. (reported + by Lau Bech Lauritzen). + + - Prevent IE/Safari text selection when selecting stuff on the canvas. + + + +## Flot 0.3 ## + +This is mostly a quick-fix release because jquery.js wasn't included in the +previous zip/tarball. + +## Changes ## + + - Include jquery.js in the zip/tarball. + + - Support clicking on the plot. Turn it on with grid: { clickable: true }, + then you get a "plotclick" event on the graph placeholder with the position + in units of the plot. + +## Bug fixes ## + + - Fixed a bug in dealing with data where min = max. (thanks to Michael + Messinides) + + + +## Flot 0.2 ## + +The API should now be fully documented. + +### API changes ### + +Moved labelMargin option to grid from x/yaxis. + +## Changes ## + + - Added support for putting a background behind the default legend. The + default is the partly transparent background color. Added backgroundColor + and backgroundOpacity to the legend options to control this. + + - The ticks options can now be a callback function that takes one parameter, + an object with the attributes min and max. The function should return a + ticks array. + + - Added labelFormatter option in legend, useful for turning the legend + labels into links. + + - Reduced the size of the code. (patch by Guy Fraser) + + + +## Flot 0.1 ## + +First public release. |