kepler.gl.geoiq/src/constants/color-ranges.js

kepler.gl is a webgl based application to visualize large scale location data in the browser

// Copyright (c) 2023 Uber Technologies, Inc.
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//
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// THE SOFTWARE.

import colorbrewer from 'colorbrewer';
import {VizColorPalette} from './custom-color-ranges';

// Add colorbrewer color schemes (Data Science requirement)
// See http://colorbrewer2.org/

const colorBrewerMap = Object.entries(colorbrewer.schemeGroups)
  .reduce((accu, [type, palettes]) => ({
    ...accu,
    ...palettes.reduce((group, name) => ({
      ...group,
      [name]: type
    }), {})
  }), {});

const colorRanges = [...VizColorPalette];

for (const [keyName, colorScheme] of Object.entries(colorbrewer)) {
  if (keyName !== 'schemeGroups') {
    for (const [lenKey, colors] of Object.entries(colorScheme)) {
      colorRanges.push({
        name: `ColorBrewer ${keyName}-${lenKey}`,
        type: colorBrewerMap[keyName],
        category: 'ColorBrewer',
        colors
      });
    }
  }
}

export const COLOR_RANGES = colorRanges;

export const DefaultColorRange = colorRanges.find(
  ({name}) => name === 'Global Warming'
);