v0.6.7

Please see the 0.6.7 release notes for more!

• Add pointer interaction for pointing at data.
• Add tip mark for annotations and revealing details-on-demand when pointing.
• Add crosshair mark for showing position values when pointing.
• Add tip mark option for deriving a tip mark with pointer interaction.
• Add -channel descending shorthand syntax for the sort mark option (e.g., sort y by -x).
• Add shorthand for time interval multiples such as 3 months or 10 years.
• Add imageFilter mark option for applying CSS image filters.
• Add marker options to the rule and tick marks.
• Add labelArrow option to control axis label directional arrows (↑, →, ↓, ←).
• Add support for the interval scale option to the group, bin, and stack transforms.
• Add support for index-aware reducers to the normalize and window transforms.
• Add support for index-aware map methods to the map transform.
• Add identity position defaults to the mapX and mapY transforms.
• Add support for abstract (scaled) values when specifying a frame or hexgrid’s options.
• Add render mark option for render transforms.
• Change the default tickFormat for ordinal scales with yearly intervals.
• Change the label scale option to add an implicit directional arrow by default.
• Change the auto mark to set tip to true.
• Change the default color scale type to categorical when given a categorical scheme.
• Fix automatic opt-out of the opacity scale for the opacity channel.
• Fix crash when an invalid CSS color string is specified for a frame’s fill or stroke.
• Fix position defaults for the rectX, rectY, barX, and barY marks.
• Fix facet filtering and anchors when facet domains contain non-primitive values.
• Fix auto mark to chose correctly between variants of rect, line, and area marks.
• Fix z-order of marks across facets.
• Fix z-order of facet axes.

v0.6.6

Plot has a new documentation website! 👉 https://observablehq.com/plot 👈

Please see the 0.6.6 release notes for more!

• Add r and rotate options to the image mark.
• Add Plot.indexOf.
• Fix how the axis mark handles the margin option.
• Fix axis labels when using the href and other channel options.
• Fix imputed facet scale domains in conjunction with the sort mark option and limit.
• Fix a spurious warning when faceting and using non-array data.
• Fix the floating point precision of the interval scale option when a fractional number.
• Assume a high pixel density display during headless rendering.
• Deterministically generate the default className (currently plot-d6a7b5).
• Legends now inherit the plot’s className option.
• The density mark now respects the plot’s document option.
• The caption option now uses a duck test instead of testing against the global Node.

v0.6.5

Please see the 0.6.5 release notes for more!

• TypeScript! 🎉 Plot now exports TypeScript type declarations. #401 #1320 #1343
• Channels now opt-out of the opacity scale by default when all values are numbers in the range [0, 1]. #1310
• Channel-derived scale domains now handle non-orderable values. #1348
• Channel-derived scale domains now handle duplicate values. #1314
• Channel-derived scale domains now handle mark transforms. #1315 #1316
• Channel values may now be specified as bigints, which are coerced to numbers. #1299
• Color legends now support the opacity option. #1407
• Quantile scales no longer error if there are no valid associated values. #1322
• The nice scale option can now be specified as a named time interval such as day or week. #1332
• The unknown scale option is now supported on quantile scales. #1321
• The text mark no longer crashes when a NaN tick value is specified for an axis. #1335
• The raster mark now supports scale overrides. #1318
• The axis mark now correctly handles custom interval implementations. #1332
• Add quarter and half named time intervals. #1312
• Add identity reducer for the bin and group transform. #1382
• Plot.auto now draws a zero rule by default in conjunction with the rule mark, when appropriate. #1341
• Plot.auto now renders correctly when a non-zero reduce is used in conjunction with the bar mark. #1368
• Plot.auto now renders correctly in some cases when the zero option is specified. #1368
• Plot.auto’s zero option no longer changes the default mark type. #1368
• Plot.autoSpec now materializes the zero option. #1368
• The bin and group transforms no longer misinterpret scale overrides as reducers. #1367
• The reduce and map implementations now expect reduceIndex and mapIndex methods. #1367
• The className option now allows mixed-case class names. #1347

v0.6.4

Please see the 0.6.4 release notes for more!

• Add top-level aspectRatio option. #837
• Add textOverflow option for the text mark. #1283
• Add imageRendering option for the image mark. #1267
• Add facetAnchor empty option. #1287
• Add the curve auto option for the link mark to respect the current projection. #1296
• Add Plot.autoSpec. #1284
• Allow per-channel scale overrides. #1247
• Allow bin options to be specified with Plot.auto. #1277
• Fix Plot.auto to only default to the bar mark if x or y is zeroed. #1273
• Fix Plot.auto’s support for the area mark. #1275
• Fix Plot.auto’s use of the bar mark with possibly ordinal reducers. #1276
• Fix erroneous interpretation of arrays as reducers. #1275
• Fix a crash coercing BigInt values to numbers. #1279
• Fix a crash with facet exclude on a non-faceted mark. #1282
• Improve a few scale-related error messages. #1298
• Improve the accuracy of text metrics for combining marks and emoji character sequences. #1283
• Remove unnecessary coercion when inferring log scale domains. #1280

v0.6.3

Please see the 0.6.3 release notes for more!

• Add auto mark. #1238
• Add axis and grid marks. #1197
• Add anchor option for the frame mark. #1241
• Add mark.facetAnchor option. #1197
• Add mark margin options for affecting the plot’s default margins. #1197
• The x and y axes now automatically repeat in empty facets. #1197
• The text mark now supports soft hyphenation. #1197
• Fix a crash with the raster mark when using an identity color scale. #1237
• Fix the voronoi mark’s handling of the target, mixBlendMode, and opacity options. #1259

v0.6.2

Please see the 0.6.2 release notes for more!

• Add raster and contour marks. #1196
• Add shape option to vector mark. #1189
• Add spike convenience constructor. #1189
• Add centroid and geoCentroid transforms. #1189
• Add identity helper.
• Add named time intervals. #1205
• Greatly improve the performance of the bin transform. #1225
• Fix descending domains on diverging scales. #1188
• Fix frame clip option for band scales. #1204
• Fix a crash when a facet scale’s domain includes a value for which there is no corresponding facet data. #1216
• Limit generated SVG path data to three fractional digits. #1193 #1203
• Add a helpful error when the stack order option is used without a z channel. #1209
• Fix the group, bin, and hexbin transforms to ignore undefined outputs. #1230

v0.6.1

Please see the 0.6.1 release notes for more!

• Add geo mark for rendering GeoJSON geometries.
• Add graticule and sphere convenience geo marks.
• Add top-level projection option for projecting geographic (and other) coordinate systems.
• Add auto curve to the line mark for projecting lines.
• Add mark.fx and mark.fy options for mark-level faceting.
• Fix the fx and fy scales to support the scale.transform and scale.percent options.
• Fix quantize scales to support the scale.unknown option.
• Fix initializer transforms to not drop the mark.sort option when used to sort a scale’s domain.
• Fix spurious warning about empty strings appearing to be numbers.
• Fix the mean and median reducers to return dates if the data is temporal.
• Fix the default height to adjust when margins are specified.
• Fix the position of the frame anchor when either the x or y scale is ordinal (band or point).
• Fix the dot mark to not render when a negative constant radius r is specified.
• Improve the error message when an invalid color scheme is specified.

v0.6.0

Please see the 0.6.0 release notes for more!

• [breaking] The window transform now defaults to non-strict, returning an aggregate value even when the window contains undefined values.
• The window transform now supports a strict option.
• The non-minified bundle now includes JSDoc comments from the README.
• TypeScript source files are now included in the published package.

v0.5.2

Please see the 0.5.2 release notes for more!

• Swatches legends now support patterns and gradients. #970 #805
• Swatches legends now require an ordinal or threshold color scale. #971 #844
• Plot now supports a top-level document option. #969 #848
• Plot now uses D3 7.6.1 and supports fractional bandwidths for density contours.
• Plot now uses a duck test to detect marks, rather than strict instanceof. #967
• Plot is now partially written in TypeScript. #880

v0.5.1

Please see the 0.5.1 release notes for more!

• Add density mark. #943 #948 #954 #958
• Add linear regression marks. #945
• Add Delaunay and Voronoi marks. #917 #931
• Add scale.interval option. #849
• Add mark pointerEvents option. #917
• The frame mark now supports the rx and ry options for rounded corners. #951
• The cell mark now respects the dx and dy options for offsets. #956
• Fix a bug where arrow heads would not render correctly when the strokeWidth was exactly one. #922 #923
• Fix the scale.zero option when the domain is negative. #934
• Fix the clip mark option when x or y is a band scale. #950
• Fix the fill color of text marks using the href option. #940
• Fix a crash in the bar and tick mark when the associated band scale is not present. #939
• Use element.appendChild instead of element.append for better compatibility. Thanks, @jkenzer! #953 #957
• Improve the error message when the facet option is used without data. #938
• Throw an error if initializers attempt to create position scales. #939
• Throw an error if an implicit ordinal position domain has more than 10,000 values. #858