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feat: plot matrix proof of concept #1872

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@monfera monfera commented Nov 12, 2022

Summary

Adds a proof of concept for a multilayered, trellised WebGL chart: plot matrix.

image

Shown functions:

  • scatterplot matrix
  • continuous heatmap
  • density contours
  • hexbins
  • univariate density lookalike in the diagonals
  • parallel coordinates
  • interactions: axis brush, axis move, hover, range filter, splom axis wheel zoom
  • per dimension single-range crossfiltering on the GPU
  • focus (colorful) + context (greyscale)
  • dark and light mode with adapting (reversing) heatmap palette

Details

Uses the kinGLy utility just like flamegraph.

More screenshots:

image

image

image

The proof of concept suffers from many weaknesses, for example hardwired everything; no integration with the charts API, theme and tooltip; untested, buggy GLSL shaders except the lines and points; resize glitches; temporary code for demo; super incomplete typescript etc.

Issues

Checklist

  • The proper chart type label has been added (e.g. :xy, :partition)
  • The proper feature labels have been added (e.g. :interactions, :axis)
  • The :theme label has been added and the @elastic/eui-design team has been pinged when there are Theme API changes
  • All related issues have been linked (i.e. closes #123, fixes #123)
  • New public API exports have been added to packages/charts/src/index.ts
  • Unit tests have been added or updated to match the most common scenarios
  • The proper documentation and/or storybook story has been added or updated
  • The code has been checked for cross-browser compatibility (Chrome, Firefox, Safari, Edge)
  • Visual changes have been tested with all available themes including dark, light, eui-dark & eui-light

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❌ Author of the following commits did not sign a Contributor Agreement:
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Please, read and sign the above mentioned agreement if you want to contribute to this project

@elastic-datavis
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Community pull request, @elastic/datavis please add the ci:approved ✅ label to allow this and future builds.

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