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Improvements to getClosestPlotData()

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@jtlan jtlan released this 17 Apr 22:53
· 4293 commits to master since this release
v0.53.0
d64f484

Good afternoon,

This release features more nuanced default behavior for getClosestPlotData().

Features

Improvements to getClosestPlotData()

We've simplified the API. It now accepts a query point only:

getClosestPlotData(queryPoint: Point): PlotData;

and the notion of "closest" differs by plot type:

  • Scatter, Pie, and Grid Plots retain the Euclidean norm
  • Line and Area Plots implement an x-then-y strategy; points are first compared by x-value and, if multiple points have the same x-value, their y-value is used as a tiebreaker
  • Bar Plots implement a similar x-then-y strategy, with the addition that bars containing the query point are always returned. For horizontal Bar Plots, the strategy is y-then-x.

This makes it easy to show plot data tooltips in a user-friendly way.
Try it out here: http://jsfiddle.net/38ehL9p6/1/

Bugfixes

  • Plottable stops reading colors from CSS when a maximum of 256 colors is reached (#1834)

Typescript-only API-Breaking Changes

  • getClosestPlotData() no longer accepts the two (optional) parameters withinValue and datasetKeys.
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