changelogs.md


florianleger/plotly.js

Repository  -  API  -  Source

1.31.2

October 23, 2017

Fixed

  • Fix multiple table restyle bugs [#2107]
  • Fix selection work when visible: false choropleth traces are present [#2099, #2109]
  • Fix (another) contour generation bug [#2091]

1.31.1

October 16, 2017

Fixed

  • Fix IE and Edge SVG toImage support [#2068]
  • Return empty set during selections of visible: false traces [#2081]
  • Fix scroll glitch in table traces [#2064]
  • Fix handling of 1D header values in table [#2072]
  • Fix table line style defaults [#2074]
  • Do not attempt to start drag on right-click [#2087]
  • Phase out alignment-baseline attributes in SVG text nodes [#2076]
  • Listen to document events on drag instead of relying on cover-slip node [#2075]

1.31.0

October 5, 2017

Added

  • Add table trace type [#2030]
  • Add geo.center making geo views fully reproducible using layout attributes [#2030]
  • Add lasso and select-box drag modes to scattergeo and choropleth traces [#2030]
  • Add lasso and select-box drag modes to bar and histogram traces [#2045]
  • Add scale option to Plotly.toImage and Plotly.downloadImage [#1979]
  • Add plot-schema.json to dist/[#1999]

Changed

  • Throttle lasso and select-box events for smoother behavior [#2040]
  • Harmonize gl3d and gl2d zoom speed with cartesian behavior [#2041]

Fixed

  • Fix numerous restyle and relayout bugs [#1999]
  • Fix handling of extreme off-plot data points in scatter lines [#2060]
  • Fix hoverinfo array support for scattergeo, choropleth, scatterternary and scattermapbox traces [#2055]
  • Fix Plotly.plot MathJax promise chain resolution [#1991]
  • Fix legend double-click trace isolation behavior for graphs with visible: false traces [#2019]
  • Fix legend visibility toggling for traces with groupby transforms [#2019]
  • Fix single-bin histogram edge case [#2028]
  • Fix autorange for bar with base zero [#2050]
  • Fix annotations arrow rendering when graph div is off the DOM [#2046]
  • Fix hover for graphs with scattergeo markers outside 'usa' scope [#2030]
  • Fix handling of cross anti-meridian geo lonaxis ranges [#2030]
  • Fix miter limit for lines on geo subplots [#2030]
  • Fix marker.opacity handling for scattergeo bubbles [#2030]
  • Fix layout animation of secondary axes [#1999]
  • Fix sankey hover text placement for empty link.label items [#2016]
  • Fix sankey rendering of nodes with very small values [#2017, #2021]
  • Fix sankey hover label positioning on pages that style the 'svg-container' div node [#2027]
  • Fix aggregation transforms restyle calls [#2031]

1.30.1

September 6, 2017

Fixed

  • Fix shapes on overlaid axes [#1975]
  • Correctly clear cartesian axis titles on full axis updates [#1981]
  • Make cartesian hover spikes work when no tick labels are present [#1980]

1.30.0

August 21, 2017

Added

  • Add aggregate transform [#1924]
  • Add constraintext attribute for bar traces [#1931]
  • Add axis layer attribute to ternary axes [#1952]
  • Add cross-trace matching auto-binning logic to histogram traces [#1944]
  • Add data/layout/config api to Plotly.toImage to generate a static graph without having to render an interactive graph first [#1939]
  • Add nameformat attribute to groupby transforms to set pattern by which grouped traces are named [#1919]

Fixed

  • Fix hover label exponents [#1932, #1949]
  • Fix scatter fill with isolated endpoints [#1933]
  • Fix parcoords axis tick scale when ticktext is unordered [#1945]
  • Fix sankey with 4 multi-links or more [#1934]
  • Fix exponent labels beyond SI prefixes [#1930]
  • Fix image generation for marker gradient legend items [#1928]
  • Fix parcoords image generation when multiple parcoords graphs are present on page [#1947]
  • Ignore bare closing tags in pseudo-html string inputs [#1926]

1.29.3

July 27, 2017

Fixed

  • Fix groupby / filter interactions when filter includes target data [#1892]

1.29.2

July 26, 2017

Fixed

  • Add fallback for ArrayBuffer.isView fixing gl2d and gl3d rendering in environments that don't support it (e.g. RStudio) [#1915]

1.29.1

July 25, 2017

Fixed

  • Fix axis line rendering when showticklabels is false (bug introduced in 1.29.0) [#1910]
  • Fix histogram auto bin restyle [#1901]
  • Fix colorbar edge case that caused infinite loops [#1906]

1.29.0

July 19, 2017

Added

  • Add touch interactions to cartesian, gl2d and ternary subplots including for select and lasso drag modes [#1804, #1890]
  • Add support for contour line labels in contour and contourcarpet traces [#1815]
  • Add support for select and lasso drag modes on scattermapbox traces [#1836]
  • Add double click interactions to mapbox subplots [#1883]
  • Add reset view and toggle hover mode bar buttons to mapbox subplots [#1883]
  • Add support for array marker.opacity settings in scattermapbox traces [#1836]
  • Add namelength layout and trace attribute to control the trace name's visible length in hover labels [#1822]
  • Add cliponaxis attribute to scatter and scatterternary traces to allow markers and text nodes to be displayed above their subplot's axes [#1861]
  • Add axis layer attribute with 'above traces' and 'below traces' values [#1871]
  • Add granular editable configuration options [#1895]
  • Expanded traces generated by transforms now have unique colors [#1830]

Fixed

  • Fix axis line width, length, and positioning for coupled subplots [#1854]
  • Fix alignment of cartesian tick labels [#1854]
  • Fix rendering and updates of overlaying axis lines [#1855]
  • Fix hover for 2D traces with custom colorbar tickvals [#1891]
  • Fix hover and event data for heatmapgl and contourgl traces [#1884]
  • Fix event data for pie and sankey traces [#1896]
  • Fix drag mode 'pan'in IE and Edge [#1871]
  • Fix bar, error bar and box point scaling on scroll zoom [#1897]
  • Fix shading issue in surface trace in iOS [#1868]
  • Fix lasso and select drag modes for scatterternary traces [#1831]
  • Fix cases of intersecting contour lines on log axes [#1856]
  • Safer construction of popup click handler [#1888]
  • Fix animation of annotations, shapes and images [#1315]
  • Fix histogram bin computation when more than 5000 bins are needed [#1887]
  • Fix tick label rendering when more than 1000 labels are present [#1898]
  • Fix handling of empty transforms item [#1829]

1.28.3

June 26, 2017

Fixed

  • Fix deselect on double-clicking for gl2d traces [#1811]
  • Fix Plotly.purge for gl2d and gl3d subplots (bug introduced in 1.28.0, leading to memory leaks) [#1821]
  • Fix hover labels for ohlc and candlestick traces (bug introduced in 1.28.0) [#1808]
  • Fix event data for scattergeo traces [#1819]
  • Fix support of HTML entity number in pseudo-html inputs [#1820]

1.28.2

June 21, 2017

Fixed

  • Fix IE rendering error (node.children doesn't work on SVG nodes in IE) [#1803]

1.28.1

June 20, 2017

Fixed

  • Fix scattergl selected points. Points do not disappear after zoom any more in fast mode [#1800]

1.28.0

June 19, 2017

Added

  • Allow constraints by domain on cartesian axes using new axis attributes: contrain: 'domain' and contraintoward [#1767]
  • Add gl3d annotations [#1638, #1786]
  • Add support for lasso and select dragmode on scattergl traces [#1657]
  • Add 48 new scattergl marker symbols (for total of 56) [#1781]
  • Add array support for hoverinfo [#1761]
  • Add animation support for fillcolor attribute [#1722]
  • Add colorscale attributes to mesh3d traces [#1719]
  • Add support for target and popup attributes pseudo-html text links [#1726]
  • Add per-direction updatemenu dropdown arrows [#1792]
  • Add execute attribute to sliders and updatemenus to skip method calls while still triggering associated events [#1700]
  • Add skip value to the method attribute for sliders and updatemenus which acts as a no-op [#1699]

Changed

  • Include values of all array attributes in hover/click/select event data including ids and customdata [#1770]
  • Make gl2d axis tick labels on-par with SVG versions [#1766]
  • Build SVG text nodes directly instead of using DOMParser [#1783]
  • Rework transform style into array syntax [#1794]
  • Recompute hover on click to increase click robustness [#1646]
  • Miscellaneous performance improvements including improved bounding box caching and adding a few short-circuit [#1772, #1792]

Fixed

  • Fix pan/zoom for layout component linked to category axes [#1748, #1791]
  • Fix non-linear gl3d axis range settings [#1730]
  • Fix ohlc and candlestick when open value equals close value [#1655]
  • Fix annotations positioning when MathJax symbols are present [#1788]
  • Fix array values in event data for transformed traces [#1717, #1727, #1737]
  • Fix relayout event data for gl3d camera interactions [#1732]
  • Fix scatter markers and text nodes linked to ids ordering on updates [#1709]
  • Fix Plotly.validate for dynamic enumerated attribute (e.g. axis anchor, overlaying) [#1769]
  • Fix pseudo-html handling in sliders, updatemenus, range-sliders, range-selectors and carpet traces [#1792]
  • Fix annotation bounding box and arrow heads in IE [#1782]
  • Fix svg exports in IE for graphs with multiple clip paths [#1740]
  • Fix sankey positioning in IE [#1723, #1731, #1729, #1735]
  • Fix relative links in IE [#1715]
  • Suppress render warning in gl3d graphs with error bars [#1718]

1.27.1

May 17, 2017

Fixed

  • Fix text box positioning on scrolled windows (bug introduced in 1.27.0) [#1683, #1690]
  • Fix styling over links in annotation text [#1681]
  • Fix mesh3d with vertexcolor coloring [#1686]
  • Fix sort transform with set categoryarray [#1689]
  • Fix scatter text node data join [#1672]
  • Fix plot promise resolution in graphs with layout images in IE11 [#1691]

1.27.0

May 10, 2017

Added

  • Sankey diagram with new trace type sankey [#1591, #1664]
  • Add hoverlabel trace and layout attributes to customize hover label colors and fonts [#1582]
  • Add marker.gradient attributes for scatter, scattergeo, scatterternary and scattercarpet traces [#1620]
  • Add sort transform [#1609]
  • Add preservegaps filter transform attribute [#1589]
  • Add != (not equal) filter transform operation [#1589]
  • Add labelfont, tickfont and rangefont attributes for parcoords traces [#1624]
  • Pass DOM mouse event on plotly_clickannotations events [#1652]

Changed

  • Performance optimization for range sliders and Drawing cache [#1585]

Fixed

  • Fix scattergl marker symbol positioning (bug introduced in 1.25.0) [#1633]
  • Fix gl2d zoom where two clicks would trigger a zoom box (bug introduced 1.26.0) [#1632]
  • Fix legend double click handler for carpet traces [#1636]
  • Fix restyle for scattercarpet for style attributes with array support [#1641]
  • Fix restyle for array layout components when more than 10 items are present [#1639]
  • Fix select-box and lasso selections so that they don't include bad-data items [#1656]
  • Fix restyle for contour zmin and zmax [#1653]
  • Fix scatter text node transitions [#1616, #1626]

1.26.1

April 21, 2017

Fixed

  • Fix pie fill opacity [#1615]
  • Fix contour.value declaration for contourcarpet trace [#1612]

1.26.0

April 18, 2017

Added

  • Carpets plots with new trace types: carpet, scattercarpet and contourcarpet [#1595, #1596]
  • Axis constraints with new cartesian and gl2d axis attributes scaleanchor and scaleratio [#1522]
  • Annotations width, height, valign and xshift and yshift attributes [#1551, #1590]
  • Hover text over annotations with hovertext and hoverlabel attributes [#1573, #1590]
  • Add hovertext attribute to trace types that can show text values on graph to allow setting hover text independently [#1523]
  • Add spikes interactions functionality to cartesian subplots [#1461]
  • Pass mouse DOM mouse event during plotly_click, plotly_hover and plotly_unhover [#1505]
  • Add visible attribute to cartesian and gl3d axes to easily make them disappear [#1595, #1599]
  • Make deleteFrames(gd) delete all frames [#1531]

Changed

  • Lock down gl-plot3d and matrix-camera-controller dependencies to include latest memory management improvements [#1570]
  • Performance improvements for category axes [#1544]
  • Skip overhead for showLink config option is false [#1557]
  • Optimize scatter trace sorting on updates [#1555]
  • Lock down gl-scatter2d-sdf dependency to 1.3.4 while waiting for bug fix there [#1572]

Fixed

  • Fix bar sizes of traces with (x,y) NaN items [#1519]
  • Fix handling of NaN items in array-ok attributes for scattergeo and scattermapbox traces [#1538, #1564]
  • Fix hover label position for bar traces with set width [#1527]
  • Fix restyle for attribute containers [#1536]
  • Fix restyle exception for scattergl traces with no y data [#1567]
  • Fix animation of text nodes that contain <br>s [#1602]
  • Fix toImage for mapbox subplots when access token is set in the config options [#1598]
  • Emit plotly_hover on pie traces when hoverinfo: 'none' [#1505]
  • Pass trace info during plotly_click on pie traces [#1505]
  • Pass through the wheel event if the scrollbar is at the very top or bottom [#1588]

1.25.2

March 31, 2017

Fixed

1.25.1

March 28, 2017

Fixed

  • Fix restyle for scattergl traces with array marker.size (bug introduced in 1.25.0) [#1521]
  • Fix relayout for histogram2dcontour traces [#1520]
  • Do not unnecessary mutate parcoords full trace objects when computing line color and colorscale [#1509, #1508]
  • Do not unnecessary coerce trace opacity in parcoords traces [#1506]

1.25.0

March 20, 2017

Added

  • Double click handler on legend items to isolate 1 traces / group on graph [#1432]

Changed

  • Use signed distance fields (SDF) method to render heterogeneous scattergl traces improving performance [#1398]
  • Improve first-render performance in scattergl traces by only creating visible objects [#1444]
  • Use color-rgba instead of tinycolor2 to convert plotly color definitions to WebGL buffers improving performance for gl3d and gl2d traces [#1443]
  • Bump uglify-js minifier to version 2.8.12 [#1450]

Fixed

  • Fix 3D trace ordering on visibility toggle [#1466]
  • Fix gl2d trace ordering on visibility toggle [#1444]
  • Fix autorange routine for bar traces [#1475]
  • Fix shapes and images referencing a missing subplot [#1481]
  • Ensure array attributes can be restyled in all situations [#1488]
  • Fix XYZ-column-to-2D-z convert routine for columns containing nulls [#1491]
  • Fix range slider display when anchored to log axes [#1472]
  • Make sure all trace types can be deleted from range sliders [#1472]
  • Let the parcoords object tree be garbage collected on restyle [#1479]
  • Bring back support for histogram colorscales (bug introduced in 1.21.3) [#1500]
  • Support all axis types for clicktoshow annotations [#1497]
  • Fix 3D margin relayout calls (bug introduced in 1.24.1) [#1494]
  • Fix relayout when trying to update empty axis containers (bug introduced in 1.24.0) [#1494]

1.24.2

March 10, 2017

Fixed

  • Fix removal of last annotation or shape [#1451]
  • Fix shape and image clip path removal [#1453]
  • Fix overdrawing of data-referenced images [#1453]
  • Make handling of layer: 'below' shape more robust [#1453]
  • Allow multiple parcoords dimensions with the same label [#1457]

1.24.1

March 7, 2017

Fixed

  • Ensure that calling restyle or relayout in a plotly_unhover handler does not result in an infinite loop (bug introduced in 1.24.0) [#1448]
  • Ensure autorange routine is bypassed when axis range is set (bug introduced in 1.24.0) [#1425]
  • Fix annotations dragging in editable mode (bug introduced in 1.22.0) [#1441]
  • Show correct curve number in gl2d hover data [#1427]
  • Clear parcoords canvas specially if no panel exist [#1440]
  • Fix parcoords to render last block increment [#1447]
  • Axis refs in hover data are not plagued by circular references [#1431]

1.24.0

February 27, 2017

Added

  • Add parcoords trace type (parallel coordinate plots) [#1256]
  • Add support for multiple range sliders [#1355]
  • Add 'aitoff' and 'sinusoidal' geo projection types [#1422]
  • Implement scene.dragmode: false to disable drag interaction on 3D subplots [#1377]
  • Add showAxisDragHandles and showAxisRangeEntryBoxes configuration options [#1389]
  • Add customdata attribute to scatter traces to add custom data to scatter SVG nodes [#1379]

Changed

  • Consistent handling of array containers during relayout [#1403]
  • Improve hover for choropleth traces [#1401]
  • Make range slider handles and mask crispier [#1409]
  • Bump country-regex dependency to 1.1.0 [#1392]

Fixed

  • Fix 3D on iOS devices [#1411]
  • Fix surface trace opacity scaling [#1415]
  • Fix hover data in animations [#1274]
  • Fix annotations edit when dragging from one axis to another [#1403]
  • Fix 3D hover labels for date axes [#1414]
  • Deleting cartesian subplots now clear their corresponding axis titles [#1393]
  • Fix hover for xyz column heatmap trace 'text' [#1417]
  • Fix scattermapbox lines with trailing gaps [#1421]
  • Make restyle, relayout and update not mutate input update objects [#1376]
  • Fix race condition in gl2d toImage [#1388]
  • Fix handling of Virgin Islands country name [#1392]
  • Fix Plotly.validate for colorscale attributes [#1420]

1.23.2

February 15, 2017

Changed

  • Bower installs now fetch un-minified dist/plotly.js bundle [#1373]
  • Add package to packagist repository [#1375]

1.23.1

February 13, 2017

Fixed

  • Fix relayout for scene.camera values [#1364]
  • Fix scaling on axis corner drag interactions for bar traces [#1370]
  • Allow bar and histogram traces to coexist on same subplot [#1365]
  • Fix bar position computations when placeholder traces are present [#1310]
  • Fix auto-axis-type routine for data-less candelesticktraces [#1359]

1.23.0

February 6, 2017

Added

  • Add scrollbox to long dropdown updatemenus [#1214]

Fixed

  • Multiple IE9 fixes [#1332]
  • Ensure that plotly_afterplot is fired before Plotly.plot promise is resolved [#1342]
  • Fix exception when dragging graphs with empty text labels [#1336]
  • Fix exception when creating empty ohlc and candlestick traces [#1348]
  • Fix editable: true legend items logic for ohlc and candlestick traces [#1349]
  • Fix restyle for contour traces in cases where autocontour is defaulted to true [#1338]
  • Fix edge case in axis label tick assignments [#1324]
  • Fix vanishing titles text in editable: true [#1351]
  • Fix 3D thumbnail image generation [#1327]

1.22.0

January 19, 2017

Added

  • Add cumulative histogram attributes to generate Cumulative Distribution Functions [#1189]
  • Add standoff attribute for annotations to move the arrowhead away from the point it's marking [#1265]
  • Add clicktoshow, xclick and yclick attributes for annotations to show/hide annotations on click [#1265]
  • Support data-referenced annotation in gl2d subplots [#1301, #1319]
  • Honor fixedrange: false in y-axes anchored to xaxis with range slider [#1261]
  • Add fallbacks for IE9 so that all cartesian traces can render without any polyfill [#1297, #1299]

Changed

  • Adapt plot schema output for plotly.py 2.0 [#1292]
  • Bump mouse-change dep to ^1.4.0 [#1305]
  • Improve performance in visible toggling for scattergl [#1300]

Fixed

  • Fix XSS vulnerability in trace name on hover [#1307]
  • Fix ternary and geo subplot with visible: false first trace [#1291]
  • Fix opacity for mode: 'lines' items in legend [#1204]
  • Fix legend items style for bar trace with marker arrays [#1289]
  • Fix range slider svg / pdf and eps image exports [#1306]
  • Fix scattergl visible: false traces with empty data arrays [#1300]
  • Fix a few contour trace edge cases [#1309]
  • Updatemenus buttons now render above sliders [#1302]
  • Add fallback for categorical histogram on linear axes [#1284]
  • Allow style fields in sub and sup text [#1288]

1.21.3

January 5, 2017

Fixed

  • Fix zoom behavior on transformed traces [#1257]
  • Compute axis auto-range after transform operation [#1260]
  • Fix contour trace blowing up on zoom [#591]
  • Fix scattermapbox and scattergeo handling of blank strings text [#1283]
  • Lock mouse-change@1.3.0 fixing 3D hover labels on fresh npm install [#1281]

1.21.2

December 14, 2016

Fixed

  • Fix handling of calendar in filter transforms where distinct calendars can now be set for both the target and value [#1253]
  • Make Plotly.addFrames skip over non-plain-objects inputs [#1254]
  • Make Plots.graphJson aware of frames [#1255]

1.21.1

December 14, 2016

Fixed

  • Fix ms2datetime routine for Chinese calendar [#1252]
  • Fix tickformat for world calendars [#1252]

1.21.0

December 12, 2016

Added

  • Bar labels via text and textposition [#1159]
  • Add support for 16 non-gregorian calendars for date inputs and display [#1220, #1230, #1237]
  • Add support for ISO-8601 timestamps [#1194]
  • Extend histogram bin auto-shifting algorithm to date axes [#1201]
  • Trace type heatmapgl is now included in the main plotly.js bundle [#1197]

Changed

  • Linearize date coordinates using UTC rather than local milliseconds [#1194]

Fixed

  • Fix wrongly computed date positions around daylight savings time [#1194]
  • Fix erroneous traces in multi-subplot layout containing fill-to scatter traces (and plotly.py violin plots) [#1198]
  • Fix clip path URL on pages with query hashes [#1203]
  • Ensure that numeric frame name are handle correctly [#1236]
  • Fallback for manual manipulation of slider/frames [#1233]

1.20.5

November 23, 2016

Fixed

  • Fix 1.20.0 regression in handling numerical strings including commas and spaces [#1185]
  • Fix 1.20.0 regression involving date histograms [#1186]
  • Fix numerous tickvalsandticktext` edge cases [#1191]

1.20.4

November 21, 2016

Fixed

  • Fix metaKeys field PlotSchema.get() output

1.20.3

November 21, 2016

Fixed

  • Remove infinite loop when plotting 1-pt scattergl traces [#1168]
  • Fix updatemenu bug where the wrong button was set to active [#1176]
  • Fix addTraces when called with existing traces as input [#1175]

1.20.2

November 17, 2016

Fixed

  • Fix hover labels in stacked bar charts [#1163]
  • Fix mode bar zoom buttons on date axes [#1162]

1.20.1

November 16, 2016

Fixed

  • Fix annotation positioning on categorical axes [#1155]

1.20.0

November 15, 2016

Added

  • Allow date string inputs for axis ranges, tick0, dtick, annotation / image positions, histogram bins [#1078, #1150]
  • Add special dtick values for log axes [#1078]
  • Add visible attribute to annotations, shapes and images items [#1110]
  • Expose events on slider start/change/end [#1126]
  • Expose event on updatemenu button click [#1128]
  • Allow custom transform module to have supply layout default handler [#1122]

Changed

  • Increase scattergl precision [#1114]
  • Use topojson-client to convert topojson to geojson [#1147]

Fixed

  • Fix hover labels for multi-trace scattergl graphs (bug introduced in 1.18.0) [#1148]
  • Fix date format on hover on full hour [#1078]
  • Fix bar labels for non-zero base values [#1142]
  • Scatter colorscale now yield correct colors when cmin and cmax ashow re equal [#1112]
  • Fix filter transform for categorical target arrays with range operations [#1120]
  • Make sure frames with null values clear array containers [#1118]
  • Fix animations involving trace opacity [#1146]
  • Fix fallback for non-animatable trace modules (bug introduced in 1.18.1) [#1141]
  • Fix race condition in animation resolution when coupled with relayout [#1108]
  • Enforce casting requested frame names to strings [#1124]
  • Plotly.animte no longer breaks when passing null frames [#1121]
  • Plotly.PlotSchema.get now correctly list rangeslider and rangeselector under xaxis only [#1144]
  • Plotly.relayout correctly updates arbitrary layout attributes [#1133]

1.19.2

November 2, 2016

Fixed

  • Fix hover label positioning on bar traces [#1107]

1.19.1

October 27, 2016

Fixed

  • Fix dist bundles [#1094]

1.19.0

October 27, 2016

Unpublished on npm and CDN due to broken dist bundles.

Added

  • Add two-argument Plotly.plot call signature [#1014]
  • Add two-way binding functionality to updatemenus and sliders [#1016]
  • Add width, base and offset attribute to bar trace [#1075]
  • Add fromcurrent and direction animation options [#1087]
  • Add ability to filter by arbitrary array [#1062]

Changed

  • Rename filtersrc filter transform attribute target (with backward-compatible map) [#1062]
  • Bump sane-topojson requirement to 2.0.0. New topojson dist files fix the Michigan state border [#1077]
  • scattergl now handles higher resolution dates [#1033]
  • Improve error messages in Plotly.animate [#1088]

Fixed

  • Plotly.newPlot now respect user-defined layout height and width [#537]
  • Fix dendrogram cartesian axis layers [#1063]
  • Fix RGBA colorscale handler for contour [#1090]
  • Fix gl2d axis title positioning [#1067]
  • Fix gl2d multi-line axis tick labels display [#1087]
  • Fix performance deficit of scattergl trace type with date coordinates [#1021]
  • Fix ohlc trace offset computation [#1066]
  • Fix ohlc and candlestick default trace names [#1073]
  • Make Plotly.animate work with frames container array containers (e.g annotations) [#1081]
  • Make restyle and relayout consistently remove items in array containers when called with value argument null [#1086]

1.18.1

October 18, 2016

Fixed

  • Fix cartesian subplot resize [#1049]
  • Fix cartesian interactivity after click [#1049]
  • Fix scattergeo traces with not-found country names [#1046]
  • Honor 'name' hoverinfo flag in ohlc traces [#1050]
  • Fix animation merging for frames including array containers [#1041. #1048]
  • Fix requestAnimationFrame polyfill for script-tag imports [#1039]

1.18.0

October 13, 2016

Added

  • Add ohlc and candlestick trace types [#1020]
  • Add slider layout component [#986, #1029]
  • Add filter and groupby transforms [#936, #978]
  • Add support for all cartesian trace types and subplot configuration in range slider range plots [#946, #1017]
  • Add update menus 'buttons' type, direction and showactive options [#974]
  • Add pad attributes to update menus for more intuitive positioning [#989]
  • Add plotly_hover, plotly_click and plotly_unhover event emitters on gl2d subplot [#994]
  • Make 'text' mode scatter traces animatable [#1011]
  • Add picking for 'line' mode scattergeo traces [#1004]
  • Add support for fill: 'toself' in scattergeo traces [#1004]

Changed

  • Allow null / undefined frames in Plotly.addFrames[#1013]

Fixed

  • Allow range sliders to properly relayout [#962]
  • Fix handling of NaN gaps in range slider range plots [#946, #1017]
  • Properly skip over NaNs in scattergeo data arrays [#1004]
  • Fix handling graph div with style visibility: inherit [#990]
  • Fix Plotly.update for updates that require a full data + layout replot [#971]
  • Let update menus use Plotly.update method value [#972]
  • Fix tickfont relayout call on 3D subplot [#982]

1.17.3

September 21, 2016

Fixed

  • Fix scatter text node translations on range relayout [#956]
  • Fix Plotly.restyle for scatter trace mode [#956]
  • Fix color mapping discontinuity in surface trace with circular colorscale [#959]
  • Fix Plotly.redraw when scatter traces are added to the graph [#947]
  • Fix double click side-effects in gl2d plots [#958]
  • Emit event animatingframe frame during animations [#953]

1.17.2

September 12, 2016

Fixed

  • 3D colored axis backgrounds and axis labels are rendered again (bug introduced in 1.17.0) [#931]

1.17.1

September 9, 2016

Fixed

  • Restyling visible to false on all scatter traces present on a graph is now working again (bug introduced in 1.17.0) [#920]
  • Relayouting paper_bgcolor now properly propagate to legend and updatemenu `bgcolor [#921]
  • Mapbox plot routine no longer make request to public Mapbox server when linked to a Mapbox Atlas instance [#919]

1.17.0

September 7, 2016

Added

  • Add support for animations for scatter trace [#802]
  • Add frames and animate API -> Plotly.animate, Plotly.addFrames and Plotly.deleteFrames [#802]
  • Add Plotly.update method which can perform data and layout update in one call [#875]
  • Add pointcloud gl2d trace type [#850, #869]
  • Add xgap and ygap to heatmap traces to define space between heatmap bricks [#868]
  • Add separatethousands axis attribute which determines whether four-digit numbers are separated or not [#848]
  • Add 'skip' value to trace hoverinfo corresponding to traces transparent to the hover picking routine [#851]
  • Add support for trace opacity in toself filled trace [#896]
  • Add global transform config option [#852]
  • Add requestAnimationFrame to dist/[#904]

Changed

  • Explicitly skip undefined props on restyle and relayout [#844]
  • Removed a few circular dependency patterns [#833, #837, #845, #878]

Fixed

  • Fix legend trace toggle background attributes on restyle [#909]
  • Make 'yanchor' default be its intended value of 'top' [#894]
  • Fix box plot jitter algorithm when IQR = 0 [#915]
  • Fix box plot jitter algorithm when data range is 0 [#915]
  • Fix mapbox event firing duplicates [#901]
  • Fix mapbox visible false traces handling on first draw [#900]
  • Avoid draw buffer to display buffer copy in gl2d plots [#843]
  • Do not extend data array on event emission [#842, #866]
  • Make Plotly.redraw throw an error when called on non plotly graph div [#907]
  • Make plotly.min.js work when injected in Require.js environment [#914]

1.16.3

August 23, 2016

Fixed

  • Fix SVG exports for graphs with layout images [#846]
  • Properly handles duplicate categories in non-default categoryorder [#863]
  • Fix range selector position logic for overlaying axes [#873]
  • Autorange is now properly computed for heatmapgl and contourgl traces [#855, #874]
  • Trace toggling via legend preserves axis ranges in gl2d plots [#855, #874]
  • Bump mapbox-gl dependency to 0.22.0 [#867]

1.16.2

August 9, 2016

Fixed

  • Fix decoding for the supported HTML entities (bug introduced in 1.16.0) [#835]
  • Fix layout images position on subplots [#831]
  • Fix a few cartesian autorange edge cases [#813]

1.16.1

August 5, 2016

Changed

  • Drop support for plotting in child windows which broke Plotly.plot in some numerous browsers (e.g. FF46, FF47, FF48) [#829]

1.16.0

August 4, 2016

Added

  • Add updatemenus (aka dropdowns) layout components [#770]
  • Trace type scattermapbox is now part of the main bundle [#816]
  • Add support for plot in child windows [#764, #806]
  • Horizontal legends with many items are now wrapped into multiple lines [#786]
  • Active color of range selector button is now configurable via activecolor [#796]
  • Add support for mapbox style JSON [#795]

Changed

  • Promise queue is cleared on restyle and relayout instead of in the plot catch handler (which ate up user-defined catch handlers as of 1.15.0) [#776, #789]
  • Improve performance in convertToSVG step [#791, #804]

Fixed

  • Skip over non-container arrays in relink private key step (performance bug introduced in 1.15.0) [#817]
  • Categorical heatmap traces with insufficient brick are now functional again (bug introduced in 1.14.0) [#783, #812]
  • Fix Plotly.validate for info and container array attributes [#814, #819]
  • Range selector buttons can now be deleted via relayout [#793]

1.15.0

July 25, 2016

Added

  • Add Plotly.validate method [#697]
  • Add support for transforms plugins modules [#499]
  • Some partial bundles are now distributed in dist/ [#740]
  • Mapbox access token can now be set in layout.mapbox [#729]
  • Undo/Redo queue length is now configurable via configuration option queueLength [#737]

Changed

  • Improve performance in gl2d request animation frame loop [#731]
  • Improve Lib.extendDeep performance for primitive arrays [#732]
  • Improve potential XSS input in text fields [#736]
  • Improve scaling on scroll zoom for scatter lines and markers [#761, #762]

Fixed

  • toImage pixel output for gl2d graphs are now scaled properly [#735]
  • scattermapbox marker size and color arrays are now correctly converted when they include repeated values [#747]
  • Fix scatter3d marker line color inheritance [#754]
  • text fields can now support link with query params = and & [#736]
  • Fix Chrome 50 bug where tester svg blocked other DOM nodes [#745]

1.14.2

July 11, 2016

Fixed

  • Plotly.newPlot correctly clears all present WebGL contexts [#724]
  • Bar traces with layout.bargap 0 and unset marker.line.width are functional again (bug introduced in 1.3.0) [#709]
  • Stacked bar traces now correctly set the first bar position when leading gaps are present (bug introduced in 1.11.0) [#716]
  • Bar traces with layout.barmode relative now correctly compute the bar sum of the first position when positive and negative values are present [#723]
  • Event plotly_relayout is emitted upon pan / zoom on a mapbox subplot [#727]
  • Lasso and select box drag modes now work with fixed ranged axes [#728]
  • gl2d trace objects are purged when their parent scenes are destroyed [#724]

1.14.1

June 28, 2016

Fixed

  • Fix colorscale restyle calls on heatmap traces (bug introduced in 1.14.0) [#694]
  • Hover after zoom / pan is now functional again in ternary plots (bug introduced in 1.14.0) [#688]
  • Fix mapbox layer relayout starting from invisible layer [#693]
  • Hover labels when hoveron: 'fills' are now constrained to the viewports [#688]
  • Fix surface countours description [#696]
  • Fix mapbox.layers.line description [#690]

1.14.0

June 22, 2016

Added

  • Attribute line.color in scatter3d traces now support color scales [#617]
  • Annotations tail positions can now be set in data coordinates via the new axref and ayref attributes [#610]
  • Attribute hoveron is added for scatter and scatterternary traces which adds the option to show hover labels about fill regions (instead of simply of about data points) [#673]
  • Layout shapes can now be moved and resized (except for 'path' shapes) in editable contexts [#660]

Changed

  • Numerous additions and changes where made to the mapbox layout layers attributes (introduced in 1.13.0). Namely, circle and symbol layer type where added. Note that some style attributes have been renamed to match the mapbox-gl API more closely. [#681]

Fixed

  • Off-screen heatmap traces are properly deleted (bug introduced in 1.5.1) [#655]
  • Hover labels for multi-heatmap subplot is functional again (bug introduced in 1.4.0) [#655]
  • Heatmap x/y brick generation is now functional for 0 and 1 item columns [#651]
  • Multiple layout images can now shared the same image source [#672]
  • Updating legend border and bgcolor attribute now works via Plotly.relayout [#652]
  • Dragmode 'select' and 'lasso' no longer throw exception when selecting legendonly traces [#644]
  • Ternary plots now respect the staticPlot config option [#645]
  • Descriptions for axes nticks and contour traces ncountoursnow properly describe their behavior [#662]

1.13.0

June 13, 2016

Added

  • Beta version of the scattermapbox trace type - which allows users to create mapbox-gl maps using the plotly.js API. Note that scattermapbox is only available through custom bundling in this release [#626]
  • Configurable log levels. All plotly.js logging is now turned off by default. Use Plotly.setPlotConfig({ logging: /* 1 or 2 */ }) to (1) display warnings only or (2) all logs [#590]
  • Thorough mesh3d attribute descriptions [#593]

Changed

  • Generalize hover picking routine (to make more easily re-usable for other plot types) [#575, #631]

Fixed

  • Fix Plotly.toImage and Plotly.downloadImage bug specific to Chrome 51 on OSX [#604]
  • Fix Plotly.downloadImage for svg types [#604]
  • Fix scattergl opacity and connectgaps for 'lines' mode [#589]
  • Make legend scroll bar keep its position after redraws [#584]
  • Properly handle axis-reference shapes on overlaid axes [#612]
  • Fix Plotly.relayout calls for layout.images in { astr: val } notation [#624]
  • Bring back correct default value for lightposition in surface traces (bug introduced in 1.12.0) [#571]
  • Fix typos in contours descriptions in contour traces [#583]
  • Fix typos in axis.ticktext description [#607]
  • Fix ambiguities in histogram nbin descriptions [#623]

1.12.0

May 26, 2016

Added

  • Light positions, face normal epsilon and vertex normal epsilon are now configurable in mesh3d traces [#556]
  • Light position is now configurable in surface traces [#556]
  • surface and mesh3d lighting attributes are now accompanied with comprehensive descriptions. [#556]

Changed

  • Plot modules are now allowed to have their own toSVG method for subplot-specific to-svg logic [#554]

Fixed

  • gl2d plots are now functional in core-js environments (e.g. in babel es6 presets) [#569]
  • gl2d replot calls from a blank plot are now functional [#570]
  • SVG graph config argument scrollZoom is now again functional (bug introduced in v1.10.0) [#564]
  • layout.separators is now honored in pie text labels [#547]
  • Heatmap zsmooth value 'fast' is now functional for arbitrary layout widths [#548]
  • Range sliders now respond to all axis range relayout calls [#568]

1.11.0

May 17, 2016

Added

  • Add top-level methods Plotly.toImage to convert a plotly graph to an image data URL (svg, png, jpg, and webp are supported) and Plotly.downloadImage to download a plotly graph as an image [#446]
  • Add the ability to add arbitrary images loaded from a url to a plot's layout [#525]
  • Add the option of making legend span horizontally [#535]
  • Add connectgaps attribute to scattergl traces [#449]
  • Add new 'relative' bar mode which stacks on top of one another with negative values below the axis, positive values above [#517]
  • Add support for the 'winkel tripel' projection in geo subplots [#492]
  • Event plotly_relayout is now emitted on gl2d subplot drag/pan/zoom interactions [#466]
  • Add support for fill coloring in contourgl traces [#522, #543]

Changed

  • Cartesian on-hover routine is now uses a 50ms interval between search calls instead of 100ms for smoother displaying hover labels [#514]
  • [Internal change] fullLayout _has fields are replaced by a _has method which checks if a particular plot type is present on a graph [#491]

Fixed

  • Bar widths of traces with null coordinates are now correctly computed [#542]
  • Error bar spans on bar traces with null coordinates are now correctly computed [#542]
  • All promises spawn in Plotly.plot are now guaranteed to be resolved before the final resolve [#521]
  • Restyling scatterternary data attributes is now working [#540]
  • Error bar of 0 length in log axes are not included in hover labels (instead of showing NaNs) [#533]

1.10.2

May 5, 2016

Fixed

  • Subplot and range slider clip paths are now functional in AngularJS [#509]
  • relayout call involving axis categoryorder and categoryarray are now working [#510]
  • Annotation drag interactions in editable: true mode are now functional (bug introduced in 1.10.0)[#505]
  • Improved attribute description for shape xref and yref [#506]

1.10.1

May 2, 2016

Fixed

  • Resizing a graph (e.g. via Plotly.relayout or Plotly.Plots.resize) properly updates the plot area clip paths (bug introduced in 1.10.0) [#490]
  • Plotly.Snapshot.toSVG is now functional again in IE11 and old version of Chrome and FF (bug introduced in 1.10.0) [#489]
  • Hover labels of superimposed traces when 'hovermode' is set to 'closest' are properly displayed (bug introduced in 1.10.0) [#495]
  • Surface contour highlights are toggleable [#459]
  • Surface contour highlights style attributes are lower cased [#459]
  • Zoom overlay are drawn over shapes [#448]
  • Legend are draggable in editable: true contexts (bug introduced in 1.6.0) [#487]
  • Legend scroll box are drawn outside the legend [#478]

1.10.0

April 12, 2016

Added

  • Beta version of two new 2D WebGL trace types: heatmapgl and contourgl [#427, #434]
  • Two new scatter line fill modes: 'toself' and 'tonext' [#462]
  • Fills for scatterternary traces are now supported [#462]
  • Configurable axis category ordering with categoryorder and an optional categoryarray axis attributes [#419]
  • Configurable shapes layer position with shape attribute layer [#439]
  • Configurable range slider range (so that the initial xaxis range can differ from the range slider range) [#473]

Changed

  • Nested SVG elements in SVG image exports are removed, making the to-image mode bar button work in RStudio and SVG export compatible with Adobe Illustrator [#415, #454, #442]
  • Use country-regex npm package instead of hard-coded file of ISO-3 code to country regular expressions [#461]

Fixed

  • Legend positioning does not break on negative x and y settings (bug introduced in 1.6.0) [#417]
  • Shapes are properly deleted when clearing all of them at once (bug introduced in 1.9.0) [#465]
  • Promise are return after first render in gl3d and gl2d plots [#421]
  • Click and hover events are properly triggered when trace hoverinfo is set to 'none' [#438]
  • plotly_unhover events is now properly triggered on geo trace types [#429]
  • plotly_relayout event is now properly triggered on gl3d set camera [#458]
  • RGBA colors are now supported in scatter and bar custom color scales [#422]
  • Range slider is now functional with x0/dx data [#441]
  • Range slider is now compatible with mode bar axis range buttons and double click [#471]

1.9.0

April 12, 2016

Added

  • Ternary plots with support for scatter traces (trace type scatterternary) [#390]

Fixed

  • Toggling the visibility of scatter3d traces with surfaceaxis now works [#405]
  • scatter3d traces with surfaceaxis turned now feature real 3D opacity [#408]
  • plotly_unhover is now properly triggered over pie traces [#407]
  • Better grammar in scatter attribute descriptions [#406]

1.8.0

April 4, 2016

Added

  • Range slider functionality for scatter traces [#336, #368, #377]
  • Range selector functionality for cartesian and gl2d plot types [#373]
  • Support for connectgaps in scatter3d traces [#361]

Fixed

  • gl2d toImage mode bar button is now again functional (bug introduced in 1.7.0) [#369]
  • IE / Edge handling of getComputedTextLength is now functional [#376]
  • improved marker color attribute description [#366]

1.7.1

March 30, 2016

Fixed

  • Legend dimensions are correctly updated (bug introduced in 1.7.0) [#365]
  • Friction between cartesian double-click and drag interactions is reduced [#355]
  • Ultra-zoomed svg line paths are correctly computed [#353]
  • Initial axis ranges are no longer reset on data-updating restyle calls [#351]
  • Events now work in jQuery no-conflict scopes (bug introduced in 1.7.0) [#352]

1.7.0

March 22, 2016

Added

  • Custom surface color functionality (for 4D plotting) is added to surface traces [#347]
  • Top-level Plotly.purge method (which returns the graph div in its pre-Plotly.plot state) is added [#300]
  • Support for custom hover labels on multiple subplots in Plotly.Fx.hover is added [#301]

Fixed

  • Error bars node ordering now respect the trace ordering [#343]
  • Geo traces nodes now update properly on streaming plot calls [#324]
  • jQuery check in event module is made more robust [#328]

1.6.3

March 7, 2016

Fixed

  • Argument parsing for vertex and face colors of mesh3d traces is now functional [#287]

1.6.2

March 3, 2016

Fixed

  • SVG overflow property is now properly set for IE11 [#305, #306]
  • Hover labels associated with text arrays with falsy values are properly skipped over [#310]
  • Snapshot routines now strip browser-only user-select style attributes [#311]

1.6.1

March 1, 2016

Fixed

  • Legend scroll bars are no longer invalid SVG elements (bug introduced in 1.6.0) [#304]
  • Colorscale YlGnBu and YlOrRd are now properly identified [#295]

1.6.0

February 29, 2016

Added

  • SVG cartesian, 3D, geographic maps and pie charts can now coexist on the same graph [#246, #258, #289]
  • Legends with long item lists are now scrollable (instead of being cropped) [#243]
  • Event plotly_deselect is now emitted after double-clicking in select and lasso drag modes.
  • Event plotly_doubleclick is now emitted after double-clicking on SVG cartesian graphs in zoom and pan drag modes.
  • Layout attributes dragmode and hovermode can now be set individually in each scene [#258]
  • Plotly.Plots.resize now returns a promise. [#253, #262]

Fixed

  • Plotly.deleteTraces now properly deletes the last trace of a cartesian subplot [#289]
  • Plotly.deleteTraces now works on heatmap, contour, pie, surface, mesh3d and geo trace types [#289]
  • Plotly.deleteTraces now properly delete color bars associated with deleted traces
  • Clearing cartesian axes via relayout no longer results in an uncaught error [#289]
  • Events plotly_hover, plotly_unhover and plotly_click are properly emitted on 3D graphs [#240]
  • Null and undefined categories are properly skipped over [#286]
  • Hover labels on 3D graphs are now properly hidden when hovermode is set to false [#258]
  • Multi-scene 3D graphs now set their camera position via their own scene attributes [#258]
  • Toggling hovermode on 3D graphs no longer resets the scene domain [#258]
  • Resetting the camera position on scenes where the camera attribute was supplied no longer results in an uncaught error [#258]
  • Axis attributes hoverformat, tickprefix, ticksuffix are honored even when showticklabels is set to false [#267]
  • Config option doubleClick set to 'reset' now properly handles auto-ranged axes [#285]

1.5.2

February 10, 2016

Fixed

  • Fix geo trace visibility toggling (bug introduced in 1.5.1) [#245]

1.5.1

February 1, 2016

Fixed

  • Scattergeo and choropleth now correctly fire hover and click events [#215]
  • Heatmap and contour traces are redrawn in the correct order [#194]
  • Early returns in Plotly.plot now correctly return Promise rejections [#226]
  • Soon to be deprecated SVGElement.offsetParent calls are removed [#222]
  • Geo zoom in button is now correctly titled Zoom in [#219]
  • All attribute description are correctly stripped from the dist files (bug introduced in 1.5.0) [#223]
  • Insecure dev dependencies ecstatic and uglify-js are bumped [#225]
  • Outdated karma-browserify dev dependency is bumped [#229]

1.5.0

January 22, 2016

Added

  • Modularize the library (first iteration). Trace types can be required in one-by-one to make custom plotly.js bundles of lesser size. [#180, #187, #193, #202]

Changed

  • Remove json assets from the js source files (to better support Webpack bundling) [#183]
  • Update d3, tinycolor2, topojson dependencies [#195]
  • Improve 'colorscale' attribute description [#186]

Fixed

  • Fix pan mode drag delay [#188]
  • Make Plotly.deleteTrace handle big-indices-array properly [#203]

1.4.1

January 11, 2016

Fixed

  • Click events work properly after being broken in 1.4.0 [#174]

1.4.0

January 11, 2016

Added

  • Lasso and rectangular selection interactions for scatter-marker and scatter-text traces [#154, #169]
  • Un-gitignore css and svg font built files, removing post-install step and dependency on node-sass [#164]

Changed

  • Clean up Pie, Box and Choropleth trace module [#158, #159, #165]

Fixed

  • Surface traces correctly handle zmin and zmax attributes [#153]
  • Pie trace correctly trigger hover events [#150]

1.3.1

January 4, 2016

Fixed

  • Fix Plotly.addTraces for gl3d and gl2d trace types [#140]

1.3.0

December 21, 2015

Added

  • Trigger click event on pie charts [#111]
  • Add attribute descriptions for mesh3d trace type [#115]

Changed

  • [Internal] Trace module have now a 1-to-1 correspondence with trace type [#124]
  • [Internal] Remove circularize import in colorbar and colorscale module [#136]

Fixed

  • Fixed zeroline behavior in gl3d plots [#112]
  • Axis tickangle consistently used degrees in both svg and gl plots [#131]
  • Plotly.newPlot destroy mode bar before plotting new one [#125]
  • Plotly.newPlot removes all event listeners from graph div [#117]
  • Fixed attribute description for scatter3d marker opacity [#114]

1.2.1

December 14, 2015

Changed

  • Improve XSS check in anchor href [#100]

Fixed

  • Fix Fifefox 42 to-image failures [#104]
  • Fix error bar with type 'sqrt' logic making them visible without specifying the 'value' field [#91]
  • Fix cartesian zoom/drag cover attributes for Firefox 31 [#92]

1.2.0

December 7, 2015

Added

  • All Plotly.____ methods now return a promise, and pass the graph-div as an argument [#77]
  • package.json now has webpack field so plotly.js can be used by webpack users [#68]
  • Add support for rgba colours in pie-charts [#63]

Changed

  • Optimized by calling window.getComputedStyle only once [#81]
  • Improved npm install process for topojson file resolve [#48]

Fixed

  • Fixed geo-plot promises [#52]
  • Typo fixed in No DOM element error message [#64]
  • Fix hover labels with hoverinfo 'text' [#70]
  • Fix scaling for gl3d error bars [#74]

1.1.1

December 1, 2015

Fixed

  • Fix displayModeBar plot config logic [#57]
  • Fix length-1 bins count as ascending in Lib.findBin [#47]
  • Fix jasmine test runner on windows [#46]

1.1.0

November 25, 2015

Added

  • Add three plot config options: modeBarButtonsToRemove, modeBarButtonsToAdd and modeBarButtons which combine to add the ability to remove specific mode bar buttons add custom mode bar buttons and fully customize the mode bar.

Fixed

  • Fix installation from npm3 [#12]
  • Fix UMD in plotly.js dist files [#18]
  • Fix for blank elements in a text array [#31]

1.0.0

November 17, 2015

First fully open source release.

Added

  • Add 2D WebGL plot engine

Changed

  • Save to cloud is now done via a modebar button by default, the 'Edit chart' link is still available through the 'showLink' plot config.
  • Better double-click notifier CSS

Fixed

  • Fix Plotly.newPlot 3D and geo bug.
  • Fix plotly_click event bug in latest Chrome and Firefox.

Known limitations

  • Different plot types cannot be mixed in subplots.
  • 2D WebGL has no image test support.
  • Click and hover events are not hooked for gl3d, geo and gl2d plot types.
  • Polar chart are under-developed.