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| 1 ## Flot 0.8.3 ## |
| 2 |
| 3 ### Changes ### |
| 4 |
| 5 - Updated example code to avoid encouraging unnecessary re-plots. |
| 6 (patch by soenter, pull request #1221) |
| 7 |
| 8 ### Bug fixes ### |
| 9 |
| 10 - Added a work-around to disable the allocation of extra space for first and |
| 11 last axis ticks, allowing plots to span the full width of their container. |
| 12 A proper solution for this bug will be implemented in the 0.9 release. |
| 13 (reported by Josh Pigford and andig, issue #1212, pull request #1290) |
| 14 |
| 15 - Fixed a regression introduced in 0.8.1, where the last tick label would |
| 16 sometimes wrap rather than extending the plot's offset to create space. |
| 17 (reported by Elite Gamer, issue #1283) |
| 18 |
| 19 - Fixed a regression introduced in 0.8.2, where the resize plugin would use |
| 20 unexpectedly high amounts of CPU even when idle. |
| 21 (reported by tommie, issue #1277, pull request #1289) |
| 22 |
| 23 - Fixed the selection example to work with jQuery 1.9.x and later. |
| 24 (reported by EGLadona and dmfalke, issue #1250, pull request #1285) |
| 25 |
| 26 - Added a detach shim to fix support for jQuery versions earlier than 1.4.x. |
| 27 (reported by ngavard, issue #1240, pull request #1286) |
| 28 |
| 29 - Fixed a rare 'Uncaught TypeError' when using the resize plugin in IE 7/8. |
| 30 (reported by tleish, issue #1265, pull request #1289) |
| 31 |
| 32 - Fixed zoom constraints to apply only in the direction of the zoom. |
| 33 (patch by Neil Katin, issue #1204, pull request #1205) |
| 34 |
| 35 - Markings lines are no longer blurry when drawn on pixel boundaries. |
| 36 (reported by btccointicker and Rouillard, issue #1210) |
| 37 |
| 38 - Don't discard original pie data-series values when combining slices. |
| 39 (patch by Phil Tsarik, pull request #1238) |
| 40 |
| 41 - Fixed broken auto-scale behavior when using deprecated [x|y]2axis options. |
| 42 (reported by jorese, issue #1228, pull request #1284) |
| 43 |
| 44 - Exposed the dateGenerator function on the plot object, as it used to be |
| 45 before time-mode was moved into a separate plugin. |
| 46 (patch by Paolo Valleri, pull request #1028) |
| 47 |
| 48 |
| 49 ## Flot 0.8.2 ## |
| 50 |
| 51 ### Changes ### |
| 52 |
| 53 - Added a plot.destroy method as a way to free memory when emptying the plot |
| 54 placeholder and then re-using it for some other purpose. |
| 55 (patch by Thodoris Greasidis, issue #1129, pull request #1130) |
| 56 |
| 57 - Added a table of contents and PLUGINS link to the API documentation. |
| 58 (patches by Brian Peiris, pull requests #1064 and #1127) |
| 59 |
| 60 - Added Ruby code examples for time conversion. |
| 61 (patch by Mike Połtyn, pull request #1182) |
| 62 |
| 63 - Minor improvements to API.md and README.md. |
| 64 (patches by Patrik Ragnarsson, pull requests #1085 and #1086) |
| 65 |
| 66 - Updated inlined jQuery Resize to the latest version to fix errors. |
| 67 (reported by Matthew Sabol and sloker, issues #997 ad #1081) |
| 68 |
| 69 ### Bug fixes ### |
| 70 |
| 71 - Fixed an unexpected change in behavior that resulted in duplicate tick |
| 72 labels when using a plugin, like flot-tickrotor, that overrode tick labels. |
| 73 (patch by Mark Cote, pull request #1091) |
| 74 |
| 75 - Fixed a regression from 0.7 where axis labels were given the wrong width, |
| 76 causing them to overlap at certain scales and ignore the labelWidth option. |
| 77 (patch by Benjamin Gram, pull request #1177) |
| 78 |
| 79 - Fixed a bug where the second axis in an xaxes/yaxes array incorrectly had |
| 80 its 'innermost' property set to false or undefined, even if it was on the |
| 81 other side of the plot from the first axis. This resulted in the axis bar |
| 82 being visible when it shouldn't have been, which was especially obvious |
| 83 when the grid had a left/right border width of zero. |
| 84 (reported by Teq1, fix researched by ryleyb, issue #1056) |
| 85 |
| 86 - Fixed an error when using a placeholder that has no font-size property. |
| 87 (patch by Craig Oldford, pull request #1135) |
| 88 |
| 89 - Fixed a regression from 0.7 where nulls at the end of a series were ignored |
| 90 for purposes of determing the range of the x-axis. |
| 91 (reported by Munsifali Rashid, issue #1095) |
| 92 |
| 93 - If a font size is provided, base the default lineHeight on that size rather |
| 94 that the font size of the plot placeholder, which may be very different. |
| 95 (reported by Daniel Hoffmann Bernardes, issue #1131, pull request #1199) |
| 96 |
| 97 - Fix broken highlighting for right-aligned bars. |
| 98 (reported by BeWiBu and Mihai Stanciu, issues #975 and #1093, with further |
| 99 assistance by Eric Byers, pull request #1120) |
| 100 |
| 101 - Prevent white circles from sometimes showing up inside of pie charts. |
| 102 (reported by Pierre Dubois and Jack Klink, issues #1128 and #1073) |
| 103 |
| 104 - Label formatting no longer breaks when a page contains multiple pie charts. |
| 105 (reported by Brend Wanders, issue #1055) |
| 106 |
| 107 - When using multiple axes on opposite sides of the plot, the innermost axis |
| 108 coming later in the list no longer has its bar drawn incorrectly. |
| 109 (reported by ryleyb, issue #1056) |
| 110 |
| 111 - When removing series labels and redrawing the plot, the legend now updates |
| 112 correctly even when using an external container. |
| 113 (patch by Luis Silva, issue #1159, pull request #1160) |
| 114 |
| 115 - The pie plugin no longer ignores the value of the left offset option. |
| 116 (reported by melanker, issue #1136) |
| 117 |
| 118 - Fixed a regression from 0.7, where extra padding was added unnecessarily to |
| 119 sides of the plot where there was no last tick label. |
| 120 (reported by sknob001, issue #1048, pull request #1200) |
| 121 |
| 122 - Fixed incorrect tooltip behavior in the interacting example. |
| 123 (patch by cleroux, issue #686, pull request #1074) |
| 124 |
| 125 - Fixed an error in CSS color extraction with elements outside the DOM. |
| 126 (patch by execjosh, pull request #1084) |
| 127 |
| 128 - Fixed :not selector error when using jQuery without Sizzle. |
| 129 (patch by Anthony Ryan, pull request #1180) |
| 130 |
| 131 - Worked around a browser issue that caused bars to appear un-filled. |
| 132 (reported by irbian, issue #915) |
| 133 |
| 134 ## Flot 0.8.1 ## |
| 135 |
| 136 ### Bug fixes ### |
| 137 |
| 138 - Fixed a regression in the time plugin, introduced in 0.8, that caused dates |
| 139 to align to the minute rather than to the highest appropriate unit. This |
| 140 caused many x-axes in 0.8 to have different ticks than they did in 0.7. |
| 141 (reported by Tom Sheppard, patch by Daniel Shapiro, issue #1017, pull |
| 142 request #1023) |
| 143 |
| 144 - Fixed a regression in text rendering, introduced in 0.8, that caused axis |
| 145 labels with the same text as another label on the same axis to disappear. |
| 146 More generally, it's again possible to have the same text in two locations. |
| 147 (issue #1032) |
| 148 |
| 149 - Fixed a regression in text rendering, introduced in 0.8, where axis labels |
| 150 were no longer assigned an explicit width, and their text could not wrap. |
| 151 (reported by sabregreen, issue #1019) |
| 152 |
| 153 - Fixed a regression in the pie plugin, introduced in 0.8, that prevented it |
| 154 from accepting data in the format '[[x, y]]'. |
| 155 (patch by Nicolas Morel, pull request #1024) |
| 156 |
| 157 - The 'zero' series option and 'autoscale' format option are no longer |
| 158 ignored when the series contains a null value. |
| 159 (reported by Daniel Shapiro, issue #1033) |
| 160 |
| 161 - Avoid triggering the time-mode plugin exception when there are zero series. |
| 162 (reported by Daniel Rothig, patch by Mark Raymond, issue #1016) |
| 163 |
| 164 - When a custom color palette has fewer colors than the default palette, Flot |
| 165 no longer fills out the colors with the remainder of the default. |
| 166 (patch by goorpy, issue #1031, pull request #1034) |
| 167 |
| 168 - Fixed missing update for bar highlights after a zoom or other redraw. |
| 169 (reported by Paolo Valleri, issue #1030) |
| 170 |
| 171 - Fixed compatibility with jQuery versions earlier than 1.7. |
| 172 (patch by Lee Willis, issue #1027, pull request #1027) |
| 173 |
| 174 - The mouse wheel no longer scrolls the page when using the navigate plugin. |
| 175 (patch by vird, pull request #1020) |
| 176 |
| 177 - Fixed missing semicolons in the core library. |
| 178 (reported by Michal Zglinski) |
| 179 |
| 180 |
| 181 ## Flot 0.8.0 ## |
| 182 |
| 183 ### API changes ### |
| 184 |
| 185 Support for time series has been moved into a plugin, jquery.flot.time.js. |
| 186 This results in less code if time series are not used. The functionality |
| 187 remains the same (plus timezone support, as described below); however, the |
| 188 plugin must be included if axis.mode is set to "time". |
| 189 |
| 190 When the axis mode is "time", the axis option "timezone" can be set to null, |
| 191 "browser", or a particular timezone (e.g. "America/New_York") to control how |
| 192 the dates are displayed. If null, the dates are displayed as UTC. If |
| 193 "browser", the dates are displayed in the time zone of the user's browser. |
| 194 |
| 195 Date/time formatting has changed and now follows a proper subset of the |
| 196 standard strftime specifiers, plus one nonstandard specifier for quarters. |
| 197 Additionally, if a strftime function is found in the Date object's prototype, |
| 198 it will be used instead of the built-in formatter. |
| 199 |
| 200 Axis tick labels now use the class 'flot-tick-label' instead of 'tickLabel'. |
| 201 The text containers for each axis now use the classes 'flot-[x|y]-axis' and |
| 202 'flot-[x|y]#-axis' instead of '[x|y]Axis' and '[x|y]#Axis'. For compatibility |
| 203 with Flot 0.7 and earlier text will continue to use the old classes as well, |
| 204 but they are considered deprecated and will be removed in a future version. |
| 205 |
| 206 In previous versions the axis 'color' option was used to set the color of tick |
| 207 marks and their label text. It now controls the color of the axis line, which |
| 208 previously could not be changed separately, and continues to act as a default |
| 209 for the tick-mark color. The color of tick label text is now set either by |
| 210 overriding the 'flot-tick-label' CSS rule or via the axis 'font' option. |
| 211 |
| 212 A new plugin, jquery.flot.canvas.js, allows axis tick labels to be rendered |
| 213 directly to the canvas, rather than using HTML elements. This feature can be |
| 214 toggled with a simple option, making it easy to create interactive plots in the |
| 215 browser using HTML, then re-render them to canvas for export as an image. |
| 216 |
| 217 The plugin tries to remain as faithful as possible to the original HTML render, |
| 218 and goes so far as to automatically extract styles from CSS, to avoid having to |
| 219 provide a separate set of styles when rendering to canvas. Due to limitations |
| 220 of the canvas text API, the plugin cannot reproduce certain features, including |
| 221 HTML markup embedded in labels, and advanced text styles such as 'em' units. |
| 222 |
| 223 The plugin requires support for canvas text, which may not be present in some |
| 224 older browsers, even if they support the canvas tag itself. To use the plugin |
| 225 with these browsers try using a shim such as canvas-text or FlashCanvas. |
| 226 |
| 227 The base and overlay canvas are now using the CSS classes "flot-base" and |
| 228 "flot-overlay" to prevent accidental clashes (issue 540). |
| 229 |
| 230 ### Changes ### |
| 231 |
| 232 - Addition of nonstandard %q specifier to date/time formatting. (patch |
| 233 by risicle, issue 49) |
| 234 |
| 235 - Date/time formatting follows proper subset of strftime specifiers, and |
| 236 support added for Date.prototype.strftime, if found. (patch by Mark Cote, |
| 237 issues 419 and 558) |
| 238 |
| 239 - Fixed display of year ticks. (patch by Mark Cote, issue 195) |
| 240 |
| 241 - Support for time series moved to plugin. (patch by Mark Cote) |
| 242 |
| 243 - Display time series in different time zones. (patch by Knut Forkalsrud, |
| 244 issue 141) |
| 245 |
| 246 - Added a canvas plugin to enable rendering axis tick labels to the canvas. |
| 247 (sponsored by YCharts.com, implementation by Ole Laursen and David Schnur) |
| 248 |
| 249 - Support for setting the interval between redraws of the overlay canvas with |
| 250 redrawOverlayInterval. (suggested in issue 185) |
| 251 |
| 252 - Support for multiple thresholds in thresholds plugin. (patch by Arnaud |
| 253 Bellec, issue 523) |
| 254 |
| 255 - Support for plotting categories/textual data directly with new categories |
| 256 plugin. |
| 257 |
| 258 - Tick generators now get the whole axis rather than just min/max. |
| 259 |
| 260 - Added processOffset and drawBackground hooks. (suggested in issue 639) |
| 261 |
| 262 - Added a grid "margin" option to set the space between the canvas edge and |
| 263 the grid. |
| 264 |
| 265 - Prevent the pie example page from generating single-slice pies. (patch by |
| 266 Shane Reustle) |
| 267 |
| 268 - In addition to "left" and "center", bars now recognize "right" as an |
| 269 alignment option. (patch by Michael Mayer, issue 520) |
| 270 |
| 271 - Switched from toFixed to a much faster default tickFormatter. (patch by |
| 272 Clemens Stolle) |
| 273 |
| 274 - Added to a more helpful error when using a time-mode axis without including |
| 275 the flot.time plugin. (patch by Yael Elmatad) |
| 276 |
| 277 - Added a legend "sorted" option to control sorting of legend entries |
| 278 independent of their series order. (patch by Tom Cleaveland) |
| 279 |
| 280 - Added a series "highlightColor" option to control the color of the |
| 281 translucent overlay that identifies the dataset when the mouse hovers over |
| 282 it. (patch by Eric Wendelin and Nate Abele, issues 168 and 299) |
| 283 |
| 284 - Added a plugin jquery.flot.errorbars, with an accompanying example, that |
| 285 adds the ability to plot error bars, commonly used in many kinds of |
| 286 statistical data visualizations. (patch by Rui Pereira, issue 215) |
| 287 |
| 288 - The legend now omits entries whose labelFormatter returns null. (patch by |
| 289 Tom Cleaveland, Christopher Lambert, and Simon Strandgaard) |
| 290 |
| 291 - Added support for high pixel density (retina) displays, resulting in much |
| 292 crisper charts on such devices. (patch by Olivier Guerriat, additional |
| 293 fixes by Julien Thomas, maimairel, and Lau Bech Lauritzen) |
| 294 |
| 295 - Added the ability to control pie shadow position and alpha via a new pie |
| 296 'shadow' option. (patch by Julien Thomas, pull request #78) |
| 297 |
| 298 - Added the ability to set width and color for individual sides of the grid. |
| 299 (patch by Ara Anjargolian, additional fixes by Karl Swedberg, pull requests #
855 |
| 300 and #880) |
| 301 |
| 302 - The selection plugin's getSelection now returns null when the selection |
| 303 has been cleared. (patch by Nick Campbell, pull request #852) |
| 304 |
| 305 - Added a new option called 'zero' to bars and filled lines series, to control |
| 306 whether the y-axis minimum is scaled to fit the data or set to zero. |
| 307 (patch by David Schnur, issues #316, #529, and #856, pull request #911) |
| 308 |
| 309 - The plot function is now also a jQuery chainable property. |
| 310 (patch by David Schnur, issues #734 and #816, pull request #953) |
| 311 |
| 312 - When only a single pie slice is beneath the combine threshold it is no longer |
| 313 replaced by an 'other' slice. (suggested by Devin Bayer, issue #638) |
| 314 |
| 315 - Added lineJoin and minSize options to the selection plugin to control the |
| 316 corner style and minimum size of the selection, respectively. |
| 317 (patch by Ruth Linehan, pull request #963) |
| 318 |
| 319 ### Bug fixes ### |
| 320 |
| 321 - Fix problem with null values and pie plugin. (patch by gcruxifix, |
| 322 issue 500) |
| 323 |
| 324 - Fix problem with threshold plugin and bars. (based on patch by |
| 325 kaarlenkaski, issue 348) |
| 326 |
| 327 - Fix axis box calculations so the boxes include the outermost part of the |
| 328 labels too. |
| 329 |
| 330 - Fix problem with event clicking and hovering in IE 8 by updating Excanvas |
| 331 and removing previous work-around. (test case by Ara Anjargolian) |
| 332 |
| 333 - Fix issues with blurry 1px border when some measures aren't integer. |
| 334 (reported by Ara Anjargolian) |
| 335 |
| 336 - Fix bug with formats in the data processor. (reported by Peter Hull, |
| 337 issue 534) |
| 338 |
| 339 - Prevent i from being declared global in extractRange. (reported by |
| 340 Alexander Obukhov, issue 627) |
| 341 |
| 342 - Throw errors in a more cross-browser-compatible manner. (patch by |
| 343 Eddie Kay) |
| 344 |
| 345 - Prevent pie slice outlines from being drawn when the stroke width is zero. |
| 346 (reported by Chris Minett, issue 585) |
| 347 |
| 348 - Updated the navigate plugin's inline copy of jquery.mousewheel to fix |
| 349 Webkit zoom problems. (reported by Hau Nguyen, issue 685) |
| 350 |
| 351 - Axis labels no longer appear as decimals rather than integers in certain |
| 352 cases. (patch by Clemens Stolle, issue 541) |
| 353 |
| 354 - Automatic color generation no longer produces only whites and blacks when |
| 355 there are many series. (patch by David Schnur and Tom Cleaveland) |
| 356 |
| 357 - Fixed an error when custom tick labels weren't provided as strings. (patch |
| 358 by Shad Downey) |
| 359 |
| 360 - Prevented the local insertSteps and fmt variables from becoming global. |
| 361 (first reported by Marc Bennewitz and Szymon Barglowski, patch by Nick |
| 362 Campbell, issues #825 and #831, pull request #851) |
| 363 |
| 364 - Prevented several threshold plugin variables from becoming global. (patch |
| 365 by Lasse Dahl Ebert) |
| 366 |
| 367 - Fixed various jQuery 1.8 compatibility issues. (issues #814 and #819, |
| 368 pull request #877) |
| 369 |
| 370 - Pie charts with a slice equal to or approaching 100% of the pie no longer |
| 371 appear invisible. (patch by David Schnur, issues #444, #658, #726, #824 |
| 372 and #850, pull request #879) |
| 373 |
| 374 - Prevented several local variables from becoming global. (patch by aaa707) |
| 375 |
| 376 - Ensure that the overlay and primary canvases remain aligned. (issue #670, |
| 377 pull request #901) |
| 378 |
| 379 - Added support for jQuery 1.9 by removing and replacing uses of $.browser. |
| 380 (analysis and patch by Anthony Ryan, pull request #905) |
| 381 |
| 382 - Pie charts no longer disappear when redrawn during a resize or update. |
| 383 (reported by Julien Bec, issue #656, pull request #910) |
| 384 |
| 385 - Avoided floating-point precision errors when calculating pie percentages. |
| 386 (patch by James Ward, pull request #918) |
| 387 |
| 388 - Fixed compatibility with jQuery 1.2.6, which has no 'mouseleave' shortcut. |
| 389 (reported by Bevan, original pull request #920, replaced by direct patch) |
| 390 |
| 391 - Fixed sub-pixel rendering issues with crosshair and selection lines. |
| 392 (patches by alanayoub and Daniel Shapiro, pull requests #17 and #925) |
| 393 |
| 394 - Fixed rendering issues when using the threshold plugin with several series. |
| 395 (patch by Ivan Novikov, pull request #934) |
| 396 |
| 397 - Pie charts no longer disappear when redrawn after calling setData(). |
| 398 (reported by zengge1984 and pareeohnos, issues #810 and #945) |
| 399 |
| 400 - Added a work-around for the problem where points with a lineWidth of zero |
| 401 still showed up with a visible line. (reported by SalvoSav, issue #842, |
| 402 patch by Jamie Hamel-Smith, pull request #937) |
| 403 |
| 404 - Pie charts now accept values in string form, like other plot types. |
| 405 (reported by laerdal.no, issue #534) |
| 406 |
| 407 - Avoid rounding errors in the threshold plugin. |
| 408 (reported by jerikojerk, issue #895) |
| 409 |
| 410 - Fixed an error when using the navigate plugin with jQuery 1.9.x or later. |
| 411 (reported by Paolo Valleri, issue #964) |
| 412 |
| 413 - Fixed inconsistencies between the highlight and unhighlight functions. |
| 414 (reported by djamshed, issue #987) |
| 415 |
| 416 - Fixed recalculation of tickSize and tickDecimals on calls to setupGrid. |
| 417 (patch by thecountofzero, pull request #861, issues #860, #1000) |
| 418 |
| 419 |
| 420 ## Flot 0.7 ## |
| 421 |
| 422 ### API changes ### |
| 423 |
| 424 Multiple axes support. Code using dual axes should be changed from using |
| 425 x2axis/y2axis in the options to using an array (although backwards- |
| 426 compatibility hooks are in place). For instance, |
| 427 |
| 428 ```js |
| 429 { |
| 430 xaxis: { ... }, x2axis: { ... }, |
| 431 yaxis: { ... }, y2axis: { ... } |
| 432 } |
| 433 ``` |
| 434 |
| 435 becomes |
| 436 |
| 437 ```js |
| 438 { |
| 439 xaxes: [ { ... }, { ... } ], |
| 440 yaxes: [ { ... }, { ... } ] |
| 441 } |
| 442 ``` |
| 443 |
| 444 Note that if you're just using one axis, continue to use the xaxis/yaxis |
| 445 directly (it now sets the default settings for the arrays). Plugins touching |
| 446 the axes must be ported to take the extra axes into account, check the source |
| 447 to see some examples. |
| 448 |
| 449 A related change is that the visibility of axes is now auto-detected. So if |
| 450 you were relying on an axis to show up even without any data in the chart, you |
| 451 now need to set the axis "show" option explicitly. |
| 452 |
| 453 "tickColor" on the grid options is now deprecated in favour of a corresponding |
| 454 option on the axes, so: |
| 455 |
| 456 ```js |
| 457 { grid: { tickColor: "#000" }} |
| 458 ``` |
| 459 |
| 460 becomes |
| 461 |
| 462 ```js |
| 463 { xaxis: { tickColor: "#000"}, yaxis: { tickColor: "#000"} } |
| 464 ``` |
| 465 |
| 466 But if you just configure a base color Flot will now autogenerate a tick color |
| 467 by adding transparency. Backwards-compatibility hooks are in place. |
| 468 |
| 469 Final note: now that IE 9 is coming out with canvas support, you may want to |
| 470 adapt the excanvas include to skip loading it in IE 9 (the examples have been |
| 471 adapted thanks to Ryley Breiddal). An alternative to excanvas using Flash has |
| 472 also surfaced, if your graphs are slow in IE, you may want to give it a spin: |
| 473 |
| 474 http://code.google.com/p/flashcanvas/ |
| 475 |
| 476 ### Changes ### |
| 477 |
| 478 - Support for specifying a bottom for each point for line charts when filling |
| 479 them, this means that an arbitrary bottom can be used instead of just the x |
| 480 axis. (based on patches patiently provided by Roman V. Prikhodchenko) |
| 481 |
| 482 - New fillbetween plugin that can compute a bottom for a series from another |
| 483 series, useful for filling areas between lines. |
| 484 |
| 485 See new example percentiles.html for a use case. |
| 486 |
| 487 - More predictable handling of gaps for the stacking plugin, now all |
| 488 undefined ranges are skipped. |
| 489 |
| 490 - Stacking plugin can stack horizontal bar charts. |
| 491 |
| 492 - Navigate plugin now redraws the plot while panning instead of only after |
| 493 the fact. (raised by lastthemy, issue 235) |
| 494 |
| 495 Can be disabled by setting the pan.frameRate option to null. |
| 496 |
| 497 - Date formatter now accepts %0m and %0d to get a zero-padded month or day. |
| 498 (issue raised by Maximillian Dornseif) |
| 499 |
| 500 - Revamped internals to support an unlimited number of axes, not just dual. |
| 501 (sponsored by Flight Data Services, www.flightdataservices.com) |
| 502 |
| 503 - New setting on axes, "tickLength", to control the size of ticks or turn |
| 504 them off without turning off the labels. |
| 505 |
| 506 - Axis labels are now put in container divs with classes, for instance labels |
| 507 in the x axes can be reached via ".xAxis .tickLabel". |
| 508 |
| 509 - Support for setting the color of an axis. (sponsored by Flight Data |
| 510 Services, www.flightdataservices.com) |
| 511 |
| 512 - Tick color is now auto-generated as the base color with some transparency, |
| 513 unless you override it. |
| 514 |
| 515 - Support for aligning ticks in the axes with "alignTicksWithAxis" to ensure |
| 516 that they appear next to each other rather than in between, at the expense |
| 517 of possibly awkward tick steps. (sponsored by Flight Data Services, |
| 518 www.flightdataservices.com) |
| 519 |
| 520 - Support for customizing the point type through a callback when plotting |
| 521 points and new symbol plugin with some predefined point types. (sponsored |
| 522 by Utility Data Corporation) |
| 523 |
| 524 - Resize plugin for automatically redrawing when the placeholder changes |
| 525 size, e.g. on window resizes. (sponsored by Novus Partners) |
| 526 |
| 527 A resize() method has been added to plot object facilitate this. |
| 528 |
| 529 - Support Infinity/-Infinity for plotting asymptotes by hacking it into |
| 530 +/-Number.MAX_VALUE. (reported by rabaea.mircea) |
| 531 |
| 532 - Support for restricting navigate plugin to not pan/zoom an axis. (based on |
| 533 patch by kkaefer) |
| 534 |
| 535 - Support for providing the drag cursor for the navigate plugin as an option. |
| 536 (based on patch by Kelly T. Moore) |
| 537 |
| 538 - Options for controlling whether an axis is shown or not (suggestion by Timo |
| 539 Tuominen) and whether to reserve space for it even if it isn't shown. |
| 540 |
| 541 - New attribute $.plot.version with the Flot version as a string. |
| 542 |
| 543 - The version comment is now included in the minified jquery.flot.min.js. |
| 544 |
| 545 - New options.grid.minBorderMargin for adjusting the minimum margin provided |
| 546 around the border (based on patch by corani, issue 188). |
| 547 |
| 548 - Refactor replot behaviour so Flot tries to reuse the existing canvas, |
| 549 adding shutdown() methods to the plot. (based on patch by Ryley Breiddal, |
| 550 issue 269) |
| 551 |
| 552 This prevents a memory leak in Chrome and hopefully makes replotting faster |
| 553 for those who are using $.plot instead of .setData()/.draw(). Also update |
| 554 jQuery to 1.5.1 to prevent IE leaks fixed in jQuery. |
| 555 |
| 556 - New real-time line chart example. |
| 557 |
| 558 - New hooks: drawSeries, shutdown. |
| 559 |
| 560 ### Bug fixes ### |
| 561 |
| 562 - Fixed problem with findNearbyItem and bars on top of each other. (reported |
| 563 by ragingchikn, issue 242) |
| 564 |
| 565 - Fixed problem with ticks and the border. (based on patch from |
| 566 ultimatehustler69, issue 236) |
| 567 |
| 568 - Fixed problem with plugins adding options to the series objects. |
| 569 |
| 570 - Fixed a problem introduced in 0.6 with specifying a gradient with: |
| 571 |
| 572 ```{brightness: x, opacity: y }``` |
| 573 |
| 574 - Don't use $.browser.msie, check for getContext on the created canvas element |
| 575 instead and try to use excanvas if it's not found. |
| 576 |
| 577 Fixes IE 9 compatibility. |
| 578 |
| 579 - highlight(s, index) was looking up the point in the original s.data instead |
| 580 of in the computed datapoints array, which breaks with plugins that modify |
| 581 the datapoints, such as the stacking plugin. (reported by curlypaul924, |
| 582 issue 316) |
| 583 |
| 584 - More robust handling of axis from data passed in from getData(). (reported) |
| 585 by Morgan) |
| 586 |
| 587 - Fixed problem with turning off bar outline. (fix by Jordi Castells, |
| 588 issue 253) |
| 589 |
| 590 - Check the selection passed into setSelection in the selection |
| 591 plugin, to guard against errors when synchronizing plots (fix by Lau |
| 592 Bech Lauritzen). |
| 593 |
| 594 - Fix bug in crosshair code with mouseout resetting the crosshair even |
| 595 if it is locked (fix by Lau Bech Lauritzen and Banko Adam). |
| 596 |
| 597 - Fix bug with points plotting using line width from lines rather than |
| 598 points. |
| 599 |
| 600 - Fix bug with passing non-array 0 data (for plugins that don't expect |
| 601 arrays, patch by vpapp1). |
| 602 |
| 603 - Fix errors in JSON in examples so they work with jQuery 1.4.2 |
| 604 (fix reported by honestbleeps, issue 357). |
| 605 |
| 606 - Fix bug with tooltip in interacting.html, this makes the tooltip |
| 607 much smoother (fix by bdkahn). Fix related bug inside highlighting |
| 608 handler in Flot. |
| 609 |
| 610 - Use closure trick to make inline colorhelpers plugin respect |
| 611 jQuery.noConflict(true), renaming the global jQuery object (reported |
| 612 by Nick Stielau). |
| 613 |
| 614 - Listen for mouseleave events and fire a plothover event with empty |
| 615 item when it occurs to drop highlights when the mouse leaves the |
| 616 plot (reported by by outspirit). |
| 617 |
| 618 - Fix bug with using aboveData with a background (reported by |
| 619 amitayd). |
| 620 |
| 621 - Fix possible excanvas leak (report and suggested fix by tom9729). |
| 622 |
| 623 - Fix bug with backwards compatibility for shadowSize = 0 (report and |
| 624 suggested fix by aspinak). |
| 625 |
| 626 - Adapt examples to skip loading excanvas (fix by Ryley Breiddal). |
| 627 |
| 628 - Fix bug that prevent a simple f(x) = -x transform from working |
| 629 correctly (fix by Mike, issue 263). |
| 630 |
| 631 - Fix bug in restoring cursor in navigate plugin (reported by Matteo |
| 632 Gattanini, issue 395). |
| 633 |
| 634 - Fix bug in picking items when transform/inverseTransform is in use |
| 635 (reported by Ofri Raviv, and patches and analysis by Jan and Tom |
| 636 Paton, issue 334 and 467). |
| 637 |
| 638 - Fix problem with unaligned ticks and hover/click events caused by |
| 639 padding on the placeholder by hardcoding the placeholder padding to |
| 640 0 (reported by adityadineshsaxena, Matt Sommer, Daniel Atos and some |
| 641 other people, issue 301). |
| 642 |
| 643 - Update colorhelpers plugin to avoid dying when trying to parse an |
| 644 invalid string (reported by cadavor, issue 483). |
| 645 |
| 646 |
| 647 |
| 648 ## Flot 0.6 ## |
| 649 |
| 650 ### API changes ### |
| 651 |
| 652 Selection support has been moved to a plugin. Thus if you're passing |
| 653 selection: { mode: something }, you MUST include the file |
| 654 jquery.flot.selection.js after jquery.flot.js. This reduces the size of |
| 655 base Flot and makes it easier to customize the selection as well as |
| 656 improving code clarity. The change is based on a patch from andershol. |
| 657 |
| 658 In the global options specified in the $.plot command, "lines", "points", |
| 659 "bars" and "shadowSize" have been moved to a sub-object called "series": |
| 660 |
| 661 ```js |
| 662 $.plot(placeholder, data, { lines: { show: true }}) |
| 663 ``` |
| 664 |
| 665 should be changed to |
| 666 |
| 667 ```js |
| 668 $.plot(placeholder, data, { series: { lines: { show: true }}}) |
| 669 ``` |
| 670 |
| 671 All future series-specific options will go into this sub-object to |
| 672 simplify plugin writing. Backward-compatibility code is in place, so |
| 673 old code should not break. |
| 674 |
| 675 "plothover" no longer provides the original data point, but instead a |
| 676 normalized one, since there may be no corresponding original point. |
| 677 |
| 678 Due to a bug in previous versions of jQuery, you now need at least |
| 679 jQuery 1.2.6. But if you can, try jQuery 1.3.2 as it got some improvements |
| 680 in event handling speed. |
| 681 |
| 682 ## Changes ## |
| 683 |
| 684 - Added support for disabling interactivity for specific data series. |
| 685 (request from Ronald Schouten and Steve Upton) |
| 686 |
| 687 - Flot now calls $() on the placeholder and optional legend container passed |
| 688 in so you can specify DOM elements or CSS expressions to make it easier to |
| 689 use Flot with libraries like Prototype or Mootools or through raw JSON from |
| 690 Ajax responses. |
| 691 |
| 692 - A new "plotselecting" event is now emitted while the user is making a |
| 693 selection. |
| 694 |
| 695 - The "plothover" event is now emitted immediately instead of at most 10 |
| 696 times per second, you'll have to put in a setTimeout yourself if you're |
| 697 doing something really expensive on this event. |
| 698 |
| 699 - The built-in date formatter can now be accessed as $.plot.formatDate(...) |
| 700 (suggestion by Matt Manela) and even replaced. |
| 701 |
| 702 - Added "borderColor" option to the grid. (patches from Amaury Chamayou and |
| 703 Mike R. Williamson) |
| 704 |
| 705 - Added support for gradient backgrounds for the grid. (based on patch from |
| 706 Amaury Chamayou, issue 90) |
| 707 |
| 708 The "setting options" example provides a demonstration. |
| 709 |
| 710 - Gradient bars. (suggestion by stefpet) |
| 711 |
| 712 - Added a "plotunselected" event which is triggered when the selection is |
| 713 removed, see "selection" example. (suggestion by Meda Ugo) |
| 714 |
| 715 - The option legend.margin can now specify horizontal and vertical margins |
| 716 independently. (suggestion by someone who's annoyed) |
| 717 |
| 718 - Data passed into Flot is now copied to a new canonical format to enable |
| 719 further processing before it hits the drawing routines. As a side-effect, |
| 720 this should make Flot more robust in the face of bad data. (issue 112) |
| 721 |
| 722 - Step-wise charting: line charts have a new option "steps" that when set to |
| 723 true connects the points with horizontal/vertical steps instead of diagonal |
| 724 lines. |
| 725 |
| 726 - The legend labelFormatter now passes the series in addition to just the |
| 727 label. (suggestion by Vincent Lemeltier) |
| 728 |
| 729 - Horizontal bars (based on patch by Jason LeBrun). |
| 730 |
| 731 - Support for partial bars by specifying a third coordinate, i.e. they don't |
| 732 have to start from the axis. This can be used to make stacked bars. |
| 733 |
| 734 - New option to disable the (grid.show). |
| 735 |
| 736 - Added pointOffset method for converting a point in data space to an offset |
| 737 within the placeholder. |
| 738 |
| 739 - Plugin system: register an init method in the $.flot.plugins array to get |
| 740 started, see PLUGINS.txt for details on how to write plugins (it's easy). |
| 741 There are also some extra methods to enable access to internal state. |
| 742 |
| 743 - Hooks: you can register functions that are called while Flot is crunching |
| 744 the data and doing the plot. This can be used to modify Flot without |
| 745 changing the source, useful for writing plugins. Some hooks are defined, |
| 746 more are likely to come. |
| 747 |
| 748 - Threshold plugin: you can set a threshold and a color, and the data points |
| 749 below that threshold will then get the color. Useful for marking data |
| 750 below 0, for instance. |
| 751 |
| 752 - Stack plugin: you can specify a stack key for each series to have them |
| 753 summed. This is useful for drawing additive/cumulative graphs with bars and |
| 754 (currently unfilled) lines. |
| 755 |
| 756 - Crosshairs plugin: trace the mouse position on the axes, enable with |
| 757 crosshair: { mode: "x"} (see the new tracking example for a use). |
| 758 |
| 759 - Image plugin: plot prerendered images. |
| 760 |
| 761 - Navigation plugin for panning and zooming a plot. |
| 762 |
| 763 - More configurable grid. |
| 764 |
| 765 - Axis transformation support, useful for non-linear plots, e.g. log axes and |
| 766 compressed time axes (like omitting weekends). |
| 767 |
| 768 - Support for twelve-hour date formatting (patch by Forrest Aldridge). |
| 769 |
| 770 - The color parsing code in Flot has been cleaned up and split out so it's |
| 771 now available as a separate jQuery plugin. It's included inline in the Flot |
| 772 source to make dependency managing easier. This also makes it really easy |
| 773 to use the color helpers in Flot plugins. |
| 774 |
| 775 ## Bug fixes ## |
| 776 |
| 777 - Fixed two corner-case bugs when drawing filled curves. (report and analysis |
| 778 by Joshua Varner) |
| 779 |
| 780 - Fix auto-adjustment code when setting min to 0 for an axis where the |
| 781 dataset is completely flat on that axis. (report by chovy) |
| 782 |
| 783 - Fixed a bug with passing in data from getData to setData when the secondary |
| 784 axes are used. (reported by nperelman, issue 65) |
| 785 |
| 786 - Fixed so that it is possible to turn lines off when no other chart type is |
| 787 shown (based on problem reported by Glenn Vanderburg), and fixed so that |
| 788 setting lineWidth to 0 also hides the shadow. (based on problem reported by |
| 789 Sergio Nunes) |
| 790 |
| 791 - Updated mousemove position expression to the latest from jQuery. (reported |
| 792 by meyuchas) |
| 793 |
| 794 - Use CSS borders instead of background in legend. (issues 25 and 45) |
| 795 |
| 796 - Explicitly convert axis min/max to numbers. |
| 797 |
| 798 - Fixed a bug with drawing marking lines with different colors. (reported by |
| 799 Khurram) |
| 800 |
| 801 - Fixed a bug with returning y2 values in the selection event. (fix by |
| 802 exists, issue 75) |
| 803 |
| 804 - Only set position relative on placeholder if it hasn't already a position |
| 805 different from static. (reported by kyberneticist, issue 95) |
| 806 |
| 807 - Don't round markings to prevent sub-pixel problems. (reported by |
| 808 Dan Lipsitt) |
| 809 |
| 810 - Make the grid border act similarly to a regular CSS border, i.e. prevent |
| 811 it from overlapping the plot itself. This also fixes a problem with anti- |
| 812 aliasing when the width is 1 pixel. (reported by Anthony Ettinger) |
| 813 |
| 814 - Imported version 3 of excanvas and fixed two issues with the newer version. |
| 815 Hopefully, this will make Flot work with IE8. (nudge by Fabien Menager, |
| 816 further analysis by Booink, issue 133) |
| 817 |
| 818 - Changed the shadow code for lines to hopefully look a bit better with |
| 819 vertical lines. |
| 820 |
| 821 - Round tick positions to avoid possible problems with fractions. (suggestion |
| 822 by Fred, issue 130) |
| 823 |
| 824 - Made the heuristic for determining how many ticks to aim for a bit smarter. |
| 825 |
| 826 - Fix for uneven axis margins (report and patch by Paul Kienzle) and snapping |
| 827 to ticks. (report and patch by lifthrasiir) |
| 828 |
| 829 - Fixed bug with slicing in findNearbyItems. (patch by zollman) |
| 830 |
| 831 - Make heuristic for x axis label widths more dynamic. (patch by |
| 832 rickinhethuis) |
| 833 |
| 834 - Make sure points on top take precedence when finding nearby points when |
| 835 hovering. (reported by didroe, issue 224) |
| 836 |
| 837 |
| 838 |
| 839 ## Flot 0.5 ## |
| 840 |
| 841 Timestamps are now in UTC. Also "selected" event -> becomes "plotselected" |
| 842 with new data, the parameters for setSelection are now different (but |
| 843 backwards compatibility hooks are in place), coloredAreas becomes markings |
| 844 with a new interface (but backwards compatibility hooks are in place). |
| 845 |
| 846 ### API changes ### |
| 847 |
| 848 Timestamps in time mode are now displayed according to UTC instead of the time |
| 849 zone of the visitor. This affects the way the timestamps should be input; |
| 850 you'll probably have to offset the timestamps according to your local time |
| 851 zone. It also affects any custom date handling code (which basically now |
| 852 should use the equivalent UTC date mehods, e.g. .setUTCMonth() instead of |
| 853 .setMonth(). |
| 854 |
| 855 Markings, previously coloredAreas, are now specified as ranges on the axes, |
| 856 like ```{ xaxis: { from: 0, to: 10 }}```. Furthermore with markings you can |
| 857 now draw horizontal/vertical lines by setting from and to to the same |
| 858 coordinate. (idea from line support patch by by Ryan Funduk) |
| 859 |
| 860 Interactivity: added a new "plothover" event and this and the "plotclick" |
| 861 event now returns the closest data item (based on patch by /david, patch by |
| 862 Mark Byers for bar support). See the revamped "interacting with the data" |
| 863 example for some hints on what you can do. |
| 864 |
| 865 Highlighting: you can now highlight points and datapoints are autohighlighted |
| 866 when you hover over them (if hovering is turned on). |
| 867 |
| 868 Support for dual axis has been added (based on patch by someone who's annoyed |
| 869 and /david). For each data series you can specify which axes it belongs to, |
| 870 and there are two more axes, x2axis and y2axis, to customize. This affects the |
| 871 "selected" event which has been renamed to "plotselected" and spews out |
| 872 ```{ xaxis: { from: -10, to: 20 } ... },``` setSelection in which the |
| 873 parameters are on a new form (backwards compatible hooks are in place so old |
| 874 code shouldn't break) and markings (formerly coloredAreas). |
| 875 |
| 876 ## Changes ## |
| 877 |
| 878 - Added support for specifying the size of tick labels (axis.labelWidth, |
| 879 axis.labelHeight). Useful for specifying a max label size to keep multiple |
| 880 plots aligned. |
| 881 |
| 882 - The "fill" option can now be a number that specifies the opacity of the |
| 883 fill. |
| 884 |
| 885 - You can now specify a coordinate as null (like [2, null]) and Flot will |
| 886 take the other coordinate into account when scaling the axes. (based on |
| 887 patch by joebno) |
| 888 |
| 889 - New option for bars "align". Set it to "center" to center the bars on the |
| 890 value they represent. |
| 891 |
| 892 - setSelection now takes a second parameter which you can use to prevent the |
| 893 method from firing the "plotselected" handler. |
| 894 |
| 895 - Improved the handling of axis auto-scaling with bars. |
| 896 |
| 897 ## Bug fixes ## |
| 898 |
| 899 - Fixed a bug in calculating spacing around the plot. (reported by |
| 900 timothytoe) |
| 901 |
| 902 - Fixed a bug in finding max values for all-negative data sets. |
| 903 |
| 904 - Prevent the possibility of eternal looping in tick calculations. |
| 905 |
| 906 - Fixed a bug when borderWidth is set to 0. (reported by Rob/sanchothefat) |
| 907 |
| 908 - Fixed a bug with drawing bars extending below 0. (reported by James Hewitt, |
| 909 patch by Ryan Funduk). |
| 910 |
| 911 - Fixed a bug with line widths of bars. (reported by MikeM) |
| 912 |
| 913 - Fixed a bug with 'nw' and 'sw' legend positions. |
| 914 |
| 915 - Fixed a bug with multi-line x-axis tick labels. (reported by Luca Ciano, |
| 916 IE-fix help by Savage Zhang) |
| 917 |
| 918 - Using the "container" option in legend now overwrites the container element |
| 919 instead of just appending to it, fixing the infinite legend bug. (reported |
| 920 by several people, fix by Brad Dewey) |
| 921 |
| 922 |
| 923 |
| 924 ## Flot 0.4 ## |
| 925 |
| 926 ### API changes ### |
| 927 |
| 928 Deprecated axis.noTicks in favor of just specifying the number as axis.ticks. |
| 929 So ```xaxis: { noTicks: 10 }``` becomes ```xaxis: { ticks: 10 }```. |
| 930 |
| 931 Time series support. Specify axis.mode: "time", put in Javascript timestamps |
| 932 as data, and Flot will automatically spit out sensible ticks. Take a look at |
| 933 the two new examples. The format can be customized with axis.timeformat and |
| 934 axis.monthNames, or if that fails with axis.tickFormatter. |
| 935 |
| 936 Support for colored background areas via grid.coloredAreas. Specify an array |
| 937 of { x1, y1, x2, y2 } objects or a function that returns these given |
| 938 { xmin, xmax, ymin, ymax }. |
| 939 |
| 940 More members on the plot object (report by Chris Davies and others). |
| 941 "getData" for inspecting the assigned settings on data series (e.g. color) and |
| 942 "setData", "setupGrid" and "draw" for updating the contents without a total |
| 943 replot. |
| 944 |
| 945 The default number of ticks to aim for is now dependent on the size of the |
| 946 plot in pixels. Support for customizing tick interval sizes directly with |
| 947 axis.minTickSize and axis.tickSize. |
| 948 |
| 949 Cleaned up the automatic axis scaling algorithm and fixed how it interacts |
| 950 with ticks. Also fixed a couple of tick-related corner case bugs (one reported |
| 951 by mainstreetmark, another reported by timothytoe). |
| 952 |
| 953 The option axis.tickFormatter now takes a function with two parameters, the |
| 954 second parameter is an optional object with information about the axis. It has |
| 955 min, max, tickDecimals, tickSize. |
| 956 |
| 957 ## Changes ## |
| 958 |
| 959 - Added support for segmented lines. (based on patch from Michael MacDonald) |
| 960 |
| 961 - Added support for ignoring null and bad values. (suggestion from Nick |
| 962 Konidaris and joshwaihi) |
| 963 |
| 964 - Added support for changing the border width. (thanks to joebno and safoo) |
| 965 |
| 966 - Label colors can be changed via CSS by selecting the tickLabel class. |
| 967 |
| 968 ## Bug fixes ## |
| 969 |
| 970 - Fixed a bug in handling single-item bar series. (reported by Emil Filipov) |
| 971 |
| 972 - Fixed erratic behaviour when interacting with the plot with IE 7. (reported |
| 973 by Lau Bech Lauritzen). |
| 974 |
| 975 - Prevent IE/Safari text selection when selecting stuff on the canvas. |
| 976 |
| 977 |
| 978 |
| 979 ## Flot 0.3 ## |
| 980 |
| 981 This is mostly a quick-fix release because jquery.js wasn't included in the |
| 982 previous zip/tarball. |
| 983 |
| 984 ## Changes ## |
| 985 |
| 986 - Include jquery.js in the zip/tarball. |
| 987 |
| 988 - Support clicking on the plot. Turn it on with grid: { clickable: true }, |
| 989 then you get a "plotclick" event on the graph placeholder with the position |
| 990 in units of the plot. |
| 991 |
| 992 ## Bug fixes ## |
| 993 |
| 994 - Fixed a bug in dealing with data where min = max. (thanks to Michael |
| 995 Messinides) |
| 996 |
| 997 |
| 998 |
| 999 ## Flot 0.2 ## |
| 1000 |
| 1001 The API should now be fully documented. |
| 1002 |
| 1003 ### API changes ### |
| 1004 |
| 1005 Moved labelMargin option to grid from x/yaxis. |
| 1006 |
| 1007 ## Changes ## |
| 1008 |
| 1009 - Added support for putting a background behind the default legend. The |
| 1010 default is the partly transparent background color. Added backgroundColor |
| 1011 and backgroundOpacity to the legend options to control this. |
| 1012 |
| 1013 - The ticks options can now be a callback function that takes one parameter, |
| 1014 an object with the attributes min and max. The function should return a |
| 1015 ticks array. |
| 1016 |
| 1017 - Added labelFormatter option in legend, useful for turning the legend |
| 1018 labels into links. |
| 1019 |
| 1020 - Reduced the size of the code. (patch by Guy Fraser) |
| 1021 |
| 1022 |
| 1023 |
| 1024 ## Flot 0.1 ## |
| 1025 |
| 1026 First public release. |
OLD | NEW |