Docs Charts Scalar field

ContourChart

import { ContourChart } from "@grassroot/charts-react";
 
const rasterCells = [
  {
    x: 0,
    y: 0,
    value: 85,
  },
  {
    x: 1,
    y: 0,
    value: 76,
  },
  {
    x: 2,
    y: 0,
    value: 92,
  },
  {
    x: 3,
    y: 0,
    value: 127,
  },
  {
    x: 4,
    y: 0,
    value: 144,
  },
  {
    x: 5,
    y: 0,
    value: 160,
  },
  {
    x: 6,
    y: 0,
    value: 139,
  },
  {
    x: 7,
    y: 0,
    value: 101,
  },
  {
    x: 0,
    y: 1,
    value: 102,
  },
  {
    x: 1,
    y: 1,
    value: 91,
  },
  {
    x: 2,
    y: 1,
    value: 111,
  },
  {
    x: 3,
    y: 1,
    value: 153,
  },
  {
    x: 4,
    y: 1,
    value: 173,
  },
  {
    x: 5,
    y: 1,
    value: 193,
  },
  {
    x: 6,
    y: 1,
    value: 168,
  },
  {
    x: 7,
    y: 1,
    value: 122,
  },
  {
    x: 0,
    y: 2,
    value: 121,
  },
  {
    x: 1,
    y: 2,
    value: 108,
  },
  {
    x: 2,
    y: 2,
    value: 131,
  },
  {
    x: 3,
    y: 2,
    value: 209,
  },
  {
    x: 4,
    y: 2,
    value: 233,
  },
  {
    x: 5,
    y: 2,
    value: 256,
  },
  {
    x: 6,
    y: 2,
    value: 198,
  },
  {
    x: 7,
    y: 2,
    value: 144,
  },
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    x: 0,
    y: 3,
    value: 141,
  },
  {
    x: 1,
    y: 3,
    value: 125,
  },
  {
    x: 2,
    y: 3,
    value: 153,
  },
  {
    x: 3,
    y: 3,
    value: 248,
  },
  {
    x: 4,
    y: 3,
    value: 275,
  },
  {
    x: 5,
    y: 3,
    value: 303,
  },
  {
    x: 6,
    y: 3,
    value: 267,
  },
  {
    x: 7,
    y: 3,
    value: 169,
  },
  {
    x: 0,
    y: 4,
    value: 111,
  },
  {
    x: 1,
    y: 4,
    value: 99,
  },
  {
    x: 2,
    y: 4,
    value: 120,
  },
  {
    x: 3,
    y: 4,
    value: 166,
  },
  {
    x: 4,
    y: 4,
    value: 188,
  },
  {
    x: 5,
    y: 4,
    value: 209,
  },
  {
    x: 6,
    y: 4,
    value: 182,
  },
  {
    x: 7,
    y: 4,
    value: 132,
  },
  {
    x: 0,
    y: 5,
    value: 95,
  },
  {
    x: 1,
    y: 5,
    value: 84,
  },
  {
    x: 2,
    y: 5,
    value: 103,
  },
  {
    x: 3,
    y: 5,
    value: 143,
  },
  {
    x: 4,
    y: 5,
    value: 161,
  },
  {
    x: 5,
    y: 5,
    value: 180,
  },
  {
    x: 6,
    y: 5,
    value: 156,
  },
  {
    x: 7,
    y: 5,
    value: 114,
  },
  {
    x: 0,
    y: 6,
    value: 127,
  },
  {
    x: 1,
    y: 6,
    value: 113,
  },
  {
    x: 2,
    y: 6,
    value: 137,
  },
  {
    x: 3,
    y: 6,
    value: 190,
  },
  {
    x: 4,
    y: 6,
    value: 215,
  },
  {
    x: 5,
    y: 6,
    value: 239,
  },
  {
    x: 6,
    y: 6,
    value: 208,
  },
  {
    x: 7,
    y: 6,
    value: 151,
  },
  {
    x: 0,
    y: 7,
    value: 107,
  },
  {
    x: 1,
    y: 7,
    value: 95,
  },
  {
    x: 2,
    y: 7,
    value: 115,
  },
  {
    x: 3,
    y: 7,
    value: 160,
  },
  {
    x: 4,
    y: 7,
    value: 181,
  },
  {
    x: 5,
    y: 7,
    value: 201,
  },
  {
    x: 6,
    y: 7,
    value: 175,
  },
  {
    x: 7,
    y: 7,
    value: 127,
  },
];
 
export default function ContourChartDemo() {
  return (
    <div>
      <ContourChart
        ariaLabel="P95 API latency by eight services and eight three-hour intervals, milliseconds, 14 August 2026"
        cells={rasterCells} />
    </div>
  );
}

<script setup lang="ts">
import { ContourChart } from "@grassroot/charts-vue";
 
const rasterCells = [
  {
    x: 0,
    y: 0,
    value: 85,
  },
  {
    x: 1,
    y: 0,
    value: 76,
  },
  {
    x: 2,
    y: 0,
    value: 92,
  },
  {
    x: 3,
    y: 0,
    value: 127,
  },
  {
    x: 4,
    y: 0,
    value: 144,
  },
  {
    x: 5,
    y: 0,
    value: 160,
  },
  {
    x: 6,
    y: 0,
    value: 139,
  },
  {
    x: 7,
    y: 0,
    value: 101,
  },
  {
    x: 0,
    y: 1,
    value: 102,
  },
  {
    x: 1,
    y: 1,
    value: 91,
  },
  {
    x: 2,
    y: 1,
    value: 111,
  },
  {
    x: 3,
    y: 1,
    value: 153,
  },
  {
    x: 4,
    y: 1,
    value: 173,
  },
  {
    x: 5,
    y: 1,
    value: 193,
  },
  {
    x: 6,
    y: 1,
    value: 168,
  },
  {
    x: 7,
    y: 1,
    value: 122,
  },
  {
    x: 0,
    y: 2,
    value: 121,
  },
  {
    x: 1,
    y: 2,
    value: 108,
  },
  {
    x: 2,
    y: 2,
    value: 131,
  },
  {
    x: 3,
    y: 2,
    value: 209,
  },
  {
    x: 4,
    y: 2,
    value: 233,
  },
  {
    x: 5,
    y: 2,
    value: 256,
  },
  {
    x: 6,
    y: 2,
    value: 198,
  },
  {
    x: 7,
    y: 2,
    value: 144,
  },
  {
    x: 0,
    y: 3,
    value: 141,
  },
  {
    x: 1,
    y: 3,
    value: 125,
  },
  {
    x: 2,
    y: 3,
    value: 153,
  },
  {
    x: 3,
    y: 3,
    value: 248,
  },
  {
    x: 4,
    y: 3,
    value: 275,
  },
  {
    x: 5,
    y: 3,
    value: 303,
  },
  {
    x: 6,
    y: 3,
    value: 267,
  },
  {
    x: 7,
    y: 3,
    value: 169,
  },
  {
    x: 0,
    y: 4,
    value: 111,
  },
  {
    x: 1,
    y: 4,
    value: 99,
  },
  {
    x: 2,
    y: 4,
    value: 120,
  },
  {
    x: 3,
    y: 4,
    value: 166,
  },
  {
    x: 4,
    y: 4,
    value: 188,
  },
  {
    x: 5,
    y: 4,
    value: 209,
  },
  {
    x: 6,
    y: 4,
    value: 182,
  },
  {
    x: 7,
    y: 4,
    value: 132,
  },
  {
    x: 0,
    y: 5,
    value: 95,
  },
  {
    x: 1,
    y: 5,
    value: 84,
  },
  {
    x: 2,
    y: 5,
    value: 103,
  },
  {
    x: 3,
    y: 5,
    value: 143,
  },
  {
    x: 4,
    y: 5,
    value: 161,
  },
  {
    x: 5,
    y: 5,
    value: 180,
  },
  {
    x: 6,
    y: 5,
    value: 156,
  },
  {
    x: 7,
    y: 5,
    value: 114,
  },
  {
    x: 0,
    y: 6,
    value: 127,
  },
  {
    x: 1,
    y: 6,
    value: 113,
  },
  {
    x: 2,
    y: 6,
    value: 137,
  },
  {
    x: 3,
    y: 6,
    value: 190,
  },
  {
    x: 4,
    y: 6,
    value: 215,
  },
  {
    x: 5,
    y: 6,
    value: 239,
  },
  {
    x: 6,
    y: 6,
    value: 208,
  },
  {
    x: 7,
    y: 6,
    value: 151,
  },
  {
    x: 0,
    y: 7,
    value: 107,
  },
  {
    x: 1,
    y: 7,
    value: 95,
  },
  {
    x: 2,
    y: 7,
    value: 115,
  },
  {
    x: 3,
    y: 7,
    value: 160,
  },
  {
    x: 4,
    y: 7,
    value: 181,
  },
  {
    x: 5,
    y: 7,
    value: 201,
  },
  {
    x: 6,
    y: 7,
    value: 175,
  },
  {
    x: 7,
    y: 7,
    value: 127,
  },
];
</script>
 
<template>
  <ContourChart
    aria-label="P95 API latency by eight services and eight three-hour intervals, milliseconds, 14 August 2026"
    :cells="rasterCells" />
</template>

import { ChangeDetectionStrategy, Component } from "@angular/core";
import { GrassrootContourChart } from "@grassroot/charts-angular";
 
@Component({
  selector: "app-contour-chart-chart-demo",
  standalone: true,
  imports: [GrassrootContourChart],
  changeDetection: ChangeDetectionStrategy.OnPush,
  template: `<grassroot-contour-chart
    [ariaLabel]="'P95 API latency by eight services and eight three-hour intervals, milliseconds, 14 August 2026'"
    [cells]="rasterCells"
  />`,
})
export class ContourChartDemoComponent {
  readonly rasterCells = [
    {
      x: 0,
      y: 0,
      value: 85,
    },
    {
      x: 1,
      y: 0,
      value: 76,
    },
    {
      x: 2,
      y: 0,
      value: 92,
    },
    {
      x: 3,
      y: 0,
      value: 127,
    },
    {
      x: 4,
      y: 0,
      value: 144,
    },
    {
      x: 5,
      y: 0,
      value: 160,
    },
    {
      x: 6,
      y: 0,
      value: 139,
    },
    {
      x: 7,
      y: 0,
      value: 101,
    },
    {
      x: 0,
      y: 1,
      value: 102,
    },
    {
      x: 1,
      y: 1,
      value: 91,
    },
    {
      x: 2,
      y: 1,
      value: 111,
    },
    {
      x: 3,
      y: 1,
      value: 153,
    },
    {
      x: 4,
      y: 1,
      value: 173,
    },
    {
      x: 5,
      y: 1,
      value: 193,
    },
    {
      x: 6,
      y: 1,
      value: 168,
    },
    {
      x: 7,
      y: 1,
      value: 122,
    },
    {
      x: 0,
      y: 2,
      value: 121,
    },
    {
      x: 1,
      y: 2,
      value: 108,
    },
    {
      x: 2,
      y: 2,
      value: 131,
    },
    {
      x: 3,
      y: 2,
      value: 209,
    },
    {
      x: 4,
      y: 2,
      value: 233,
    },
    {
      x: 5,
      y: 2,
      value: 256,
    },
    {
      x: 6,
      y: 2,
      value: 198,
    },
    {
      x: 7,
      y: 2,
      value: 144,
    },
    {
      x: 0,
      y: 3,
      value: 141,
    },
    {
      x: 1,
      y: 3,
      value: 125,
    },
    {
      x: 2,
      y: 3,
      value: 153,
    },
    {
      x: 3,
      y: 3,
      value: 248,
    },
    {
      x: 4,
      y: 3,
      value: 275,
    },
    {
      x: 5,
      y: 3,
      value: 303,
    },
    {
      x: 6,
      y: 3,
      value: 267,
    },
    {
      x: 7,
      y: 3,
      value: 169,
    },
    {
      x: 0,
      y: 4,
      value: 111,
    },
    {
      x: 1,
      y: 4,
      value: 99,
    },
    {
      x: 2,
      y: 4,
      value: 120,
    },
    {
      x: 3,
      y: 4,
      value: 166,
    },
    {
      x: 4,
      y: 4,
      value: 188,
    },
    {
      x: 5,
      y: 4,
      value: 209,
    },
    {
      x: 6,
      y: 4,
      value: 182,
    },
    {
      x: 7,
      y: 4,
      value: 132,
    },
    {
      x: 0,
      y: 5,
      value: 95,
    },
    {
      x: 1,
      y: 5,
      value: 84,
    },
    {
      x: 2,
      y: 5,
      value: 103,
    },
    {
      x: 3,
      y: 5,
      value: 143,
    },
    {
      x: 4,
      y: 5,
      value: 161,
    },
    {
      x: 5,
      y: 5,
      value: 180,
    },
    {
      x: 6,
      y: 5,
      value: 156,
    },
    {
      x: 7,
      y: 5,
      value: 114,
    },
    {
      x: 0,
      y: 6,
      value: 127,
    },
    {
      x: 1,
      y: 6,
      value: 113,
    },
    {
      x: 2,
      y: 6,
      value: 137,
    },
    {
      x: 3,
      y: 6,
      value: 190,
    },
    {
      x: 4,
      y: 6,
      value: 215,
    },
    {
      x: 5,
      y: 6,
      value: 239,
    },
    {
      x: 6,
      y: 6,
      value: 208,
    },
    {
      x: 7,
      y: 6,
      value: 151,
    },
    {
      x: 0,
      y: 7,
      value: 107,
    },
    {
      x: 1,
      y: 7,
      value: 95,
    },
    {
      x: 2,
      y: 7,
      value: 115,
    },
    {
      x: 3,
      y: 7,
      value: 160,
    },
    {
      x: 4,
      y: 7,
      value: 181,
    },
    {
      x: 5,
      y: 7,
      value: 201,
    },
    {
      x: 6,
      y: 7,
      value: 175,
    },
    {
      x: 7,
      y: 7,
      value: 127,
    },
  ];
}
 
export default ContourChartDemoComponent;

<script lang="ts">
  import { ContourChart } from "@grassroot/charts-svelte";
 
  const rasterCells = [
    {
      x: 0,
      y: 0,
      value: 85,
    },
    {
      x: 1,
      y: 0,
      value: 76,
    },
    {
      x: 2,
      y: 0,
      value: 92,
    },
    {
      x: 3,
      y: 0,
      value: 127,
    },
    {
      x: 4,
      y: 0,
      value: 144,
    },
    {
      x: 5,
      y: 0,
      value: 160,
    },
    {
      x: 6,
      y: 0,
      value: 139,
    },
    {
      x: 7,
      y: 0,
      value: 101,
    },
    {
      x: 0,
      y: 1,
      value: 102,
    },
    {
      x: 1,
      y: 1,
      value: 91,
    },
    {
      x: 2,
      y: 1,
      value: 111,
    },
    {
      x: 3,
      y: 1,
      value: 153,
    },
    {
      x: 4,
      y: 1,
      value: 173,
    },
    {
      x: 5,
      y: 1,
      value: 193,
    },
    {
      x: 6,
      y: 1,
      value: 168,
    },
    {
      x: 7,
      y: 1,
      value: 122,
    },
    {
      x: 0,
      y: 2,
      value: 121,
    },
    {
      x: 1,
      y: 2,
      value: 108,
    },
    {
      x: 2,
      y: 2,
      value: 131,
    },
    {
      x: 3,
      y: 2,
      value: 209,
    },
    {
      x: 4,
      y: 2,
      value: 233,
    },
    {
      x: 5,
      y: 2,
      value: 256,
    },
    {
      x: 6,
      y: 2,
      value: 198,
    },
    {
      x: 7,
      y: 2,
      value: 144,
    },
    {
      x: 0,
      y: 3,
      value: 141,
    },
    {
      x: 1,
      y: 3,
      value: 125,
    },
    {
      x: 2,
      y: 3,
      value: 153,
    },
    {
      x: 3,
      y: 3,
      value: 248,
    },
    {
      x: 4,
      y: 3,
      value: 275,
    },
    {
      x: 5,
      y: 3,
      value: 303,
    },
    {
      x: 6,
      y: 3,
      value: 267,
    },
    {
      x: 7,
      y: 3,
      value: 169,
    },
    {
      x: 0,
      y: 4,
      value: 111,
    },
    {
      x: 1,
      y: 4,
      value: 99,
    },
    {
      x: 2,
      y: 4,
      value: 120,
    },
    {
      x: 3,
      y: 4,
      value: 166,
    },
    {
      x: 4,
      y: 4,
      value: 188,
    },
    {
      x: 5,
      y: 4,
      value: 209,
    },
    {
      x: 6,
      y: 4,
      value: 182,
    },
    {
      x: 7,
      y: 4,
      value: 132,
    },
    {
      x: 0,
      y: 5,
      value: 95,
    },
    {
      x: 1,
      y: 5,
      value: 84,
    },
    {
      x: 2,
      y: 5,
      value: 103,
    },
    {
      x: 3,
      y: 5,
      value: 143,
    },
    {
      x: 4,
      y: 5,
      value: 161,
    },
    {
      x: 5,
      y: 5,
      value: 180,
    },
    {
      x: 6,
      y: 5,
      value: 156,
    },
    {
      x: 7,
      y: 5,
      value: 114,
    },
    {
      x: 0,
      y: 6,
      value: 127,
    },
    {
      x: 1,
      y: 6,
      value: 113,
    },
    {
      x: 2,
      y: 6,
      value: 137,
    },
    {
      x: 3,
      y: 6,
      value: 190,
    },
    {
      x: 4,
      y: 6,
      value: 215,
    },
    {
      x: 5,
      y: 6,
      value: 239,
    },
    {
      x: 6,
      y: 6,
      value: 208,
    },
    {
      x: 7,
      y: 6,
      value: 151,
    },
    {
      x: 0,
      y: 7,
      value: 107,
    },
    {
      x: 1,
      y: 7,
      value: 95,
    },
    {
      x: 2,
      y: 7,
      value: 115,
    },
    {
      x: 3,
      y: 7,
      value: 160,
    },
    {
      x: 4,
      y: 7,
      value: 181,
    },
    {
      x: 5,
      y: 7,
      value: 201,
    },
    {
      x: 6,
      y: 7,
      value: 175,
    },
    {
      x: 7,
      y: 7,
      value: 127,
    },
  ];
</script>
 
<ContourChart
  ariaLabel="P95 API latency by eight services and eight three-hour intervals, milliseconds, 14 August 2026"
  cells={rasterCells} />

/** @jsxImportSource solid-js */
import { ContourChart } from "@grassroot/charts-solid";
 
const rasterCells = [
  {
    x: 0,
    y: 0,
    value: 85,
  },
  {
    x: 1,
    y: 0,
    value: 76,
  },
  {
    x: 2,
    y: 0,
    value: 92,
  },
  {
    x: 3,
    y: 0,
    value: 127,
  },
  {
    x: 4,
    y: 0,
    value: 144,
  },
  {
    x: 5,
    y: 0,
    value: 160,
  },
  {
    x: 6,
    y: 0,
    value: 139,
  },
  {
    x: 7,
    y: 0,
    value: 101,
  },
  {
    x: 0,
    y: 1,
    value: 102,
  },
  {
    x: 1,
    y: 1,
    value: 91,
  },
  {
    x: 2,
    y: 1,
    value: 111,
  },
  {
    x: 3,
    y: 1,
    value: 153,
  },
  {
    x: 4,
    y: 1,
    value: 173,
  },
  {
    x: 5,
    y: 1,
    value: 193,
  },
  {
    x: 6,
    y: 1,
    value: 168,
  },
  {
    x: 7,
    y: 1,
    value: 122,
  },
  {
    x: 0,
    y: 2,
    value: 121,
  },
  {
    x: 1,
    y: 2,
    value: 108,
  },
  {
    x: 2,
    y: 2,
    value: 131,
  },
  {
    x: 3,
    y: 2,
    value: 209,
  },
  {
    x: 4,
    y: 2,
    value: 233,
  },
  {
    x: 5,
    y: 2,
    value: 256,
  },
  {
    x: 6,
    y: 2,
    value: 198,
  },
  {
    x: 7,
    y: 2,
    value: 144,
  },
  {
    x: 0,
    y: 3,
    value: 141,
  },
  {
    x: 1,
    y: 3,
    value: 125,
  },
  {
    x: 2,
    y: 3,
    value: 153,
  },
  {
    x: 3,
    y: 3,
    value: 248,
  },
  {
    x: 4,
    y: 3,
    value: 275,
  },
  {
    x: 5,
    y: 3,
    value: 303,
  },
  {
    x: 6,
    y: 3,
    value: 267,
  },
  {
    x: 7,
    y: 3,
    value: 169,
  },
  {
    x: 0,
    y: 4,
    value: 111,
  },
  {
    x: 1,
    y: 4,
    value: 99,
  },
  {
    x: 2,
    y: 4,
    value: 120,
  },
  {
    x: 3,
    y: 4,
    value: 166,
  },
  {
    x: 4,
    y: 4,
    value: 188,
  },
  {
    x: 5,
    y: 4,
    value: 209,
  },
  {
    x: 6,
    y: 4,
    value: 182,
  },
  {
    x: 7,
    y: 4,
    value: 132,
  },
  {
    x: 0,
    y: 5,
    value: 95,
  },
  {
    x: 1,
    y: 5,
    value: 84,
  },
  {
    x: 2,
    y: 5,
    value: 103,
  },
  {
    x: 3,
    y: 5,
    value: 143,
  },
  {
    x: 4,
    y: 5,
    value: 161,
  },
  {
    x: 5,
    y: 5,
    value: 180,
  },
  {
    x: 6,
    y: 5,
    value: 156,
  },
  {
    x: 7,
    y: 5,
    value: 114,
  },
  {
    x: 0,
    y: 6,
    value: 127,
  },
  {
    x: 1,
    y: 6,
    value: 113,
  },
  {
    x: 2,
    y: 6,
    value: 137,
  },
  {
    x: 3,
    y: 6,
    value: 190,
  },
  {
    x: 4,
    y: 6,
    value: 215,
  },
  {
    x: 5,
    y: 6,
    value: 239,
  },
  {
    x: 6,
    y: 6,
    value: 208,
  },
  {
    x: 7,
    y: 6,
    value: 151,
  },
  {
    x: 0,
    y: 7,
    value: 107,
  },
  {
    x: 1,
    y: 7,
    value: 95,
  },
  {
    x: 2,
    y: 7,
    value: 115,
  },
  {
    x: 3,
    y: 7,
    value: 160,
  },
  {
    x: 4,
    y: 7,
    value: 181,
  },
  {
    x: 5,
    y: 7,
    value: 201,
  },
  {
    x: 6,
    y: 7,
    value: 175,
  },
  {
    x: 7,
    y: 7,
    value: 127,
  },
];
 
export default function ContourChartDemo() {
  return (
    <ContourChart
      ariaLabel="P95 API latency by eight services and eight three-hour intervals, milliseconds, 14 August 2026"
      cells={rasterCells} />
  );
}

Installation

API Reference

Import

import { ContourChart } from "@grassroot/charts-react";

Props

Prop

Type

Default

Requirement

Description

cells

readonly RasterHeatmapCell[]

—

required

—

thresholds

readonly number[] | undefined

—

optional

—

legend

boolean | import("@grassroot/chart-spec").LegendConfig | undefined

—

optional

—

animation

boolean | import("./base").ExpandedChartAnimationConfig | undefined

—

optional

—

onHiddenSeriesChange

((ids: readonly string[]) => void) | undefined

—

optional

—

onActiveDatumChange

((id: string | null) => void) | undefined

—

optional

—

renderer

ChartRenderer | undefined

—

optional

—

className

string | undefined

—

optional

—

theme

import("@grassroot/theme").PartialChartTheme | undefined

—

optional

—

title

string | undefined

—

optional

—

description

string | undefined

—

optional

—

ariaLabel

string | undefined

—

optional

—

keyboardNavigation

boolean | undefined

—

optional

—

Prop: cells
Type: readonly RasterHeatmapCell[]
Default: —
Requirement: required
Description: —

Prop: thresholds
Type: readonly number[] | undefined
Default: —
Requirement: optional
Description: —

Prop: legend
Type: boolean | import("@grassroot/chart-spec").LegendConfig | undefined
Default: —
Requirement: optional
Description: —

Prop: tooltip
Type: boolean | import("./base").ExpandedChartTooltipConfig<unknown> | undefined
Default: —
Requirement: optional
Description: —

Prop: animation
Type: boolean | import("./base").ExpandedChartAnimationConfig | undefined
Default: —
Requirement: optional
Description: —

Prop: onHiddenSeriesChange
Type: ((ids: readonly string[]) => void) | undefined
Default: —
Requirement: optional
Description: —

Prop: onActiveDatumChange
Type: ((id: string | null) => void) | undefined
Default: —
Requirement: optional
Description: —

Prop: renderer
Type: ChartRenderer | undefined
Default: —
Requirement: optional
Description: —

Prop: className
Type: string | undefined
Default: —
Requirement: optional
Description: —

Prop: theme
Type: import("@grassroot/theme").PartialChartTheme | undefined
Default: —
Requirement: optional
Description: —

Prop: title
Type: string | undefined
Default: —
Requirement: optional
Description: —

Prop: description
Type: string | undefined
Default: —
Requirement: optional
Description: —

Prop: ariaLabel
Type: string | undefined
Default: —
Requirement: optional
Description: —

Prop: keyboardNavigation
Type: boolean | undefined
Default: —
Requirement: optional
Description: —

Prop: width
Type: number | undefined
Default: —
Requirement: optional
Description: —

Prop: height
Type: number | undefined
Default: —
Requirement: optional
Description: —

Prop: gpuBackend
Type: ChartGpuBackend | undefined
Default: —
Requirement: optional
Description: —

Prop: rendererStrategy
Type: Partial<import("@grassroot/core").ChartRendererStrategy> | undefined
Default: —
Requirement: optional
Description: —

Prop: renderPlanMode
Type: "svg" | "host" | undefined
Default: —
Requirement: optional
Description: —

Prop: showGrid
Type: boolean | undefined
Default: —
Requirement: optional
Description: —

Prop: interactive
Type: boolean | undefined
Default: —
Requirement: optional
Description: Gates every pointer/keyboard interaction the shell owns (hit-test on pointer move, focus-to-first, arrow navigation, Escape) and, with `keyboardNavigation`, whether the plot surface is focusable at all.

Prop: hiddenSeries
Type: readonly string[] | undefined
Default: —
Requirement: optional
Description: —

Prop: defaultHiddenSeries
Type: readonly string[] | undefined
Default: —
Requirement: optional
Description: —

Prop: activeDatum
Type: string | null | undefined
Default: —
Requirement: optional
Description: —

Prop: defaultActiveDatum
Type: string | null | undefined
Default: —
Requirement: optional
Description: Uncontrolled initial value for the `activeDatum`/`onActiveDatumChange` pair.

Prop: speed
Type: number | undefined
Default: —
Requirement: optional
Description: Playback-speed multiplier for entrance/ambient motion.

Prop: morphDurationMs
Type: number | undefined
Default: —
Requirement: optional
Description: How long a dataset change tweens, in milliseconds.

Prop: replayToken
Type: string | number | undefined
Default: —
Requirement: optional
Description: Changing this value replays the entrance animation.

Events

Event	Payload
`onHiddenSeriesChange`	`((ids: readonly string[]) => void) \| undefined`
`onActiveDatumChange`	`((id: string \| null) => void) \| undefined`

Content regions

children
dataSummary

Native attributes

Standard DOM and ARIA attributes not listed above spread onto the root element.

Import

import { ContourChart } from "@grassroot/charts-vue";

Props

Prop

Type

Default

Requirement

className

string | undefined

—

optional

gpuBackend

"auto" | "webgpu" | "webgl2" | undefined

—

optional

width

number | undefined

—

optional

height

number | undefined

—

optional

renderer

ChartRenderer | undefined

—

optional

rendererStrategy

Partial<ChartRendererStrategy> | undefined

—

optional

renderPlanMode

"svg" | "host" | undefined

"host"

optional

showGrid

boolean | undefined

—

optional

legend

boolean | LegendConfig | undefined

false

optional

animation

ChartAnimationInput | undefined

—

optional

interactive

boolean | undefined

true

optional

keyboardNavigation

boolean | undefined

true

optional

hiddenSeries

readonly string[] | undefined

—

optional

Prop: className
Type: string | undefined
Default: —
Requirement: optional

Prop: gpuBackend
Type: "auto" | "webgpu" | "webgl2" | undefined
Default: —
Requirement: optional

Prop: width
Type: number | undefined
Default: —
Requirement: optional

Prop: height
Type: number | undefined
Default: —
Requirement: optional

Prop: renderer
Type: ChartRenderer | undefined
Default: —
Requirement: optional

Prop: rendererStrategy
Type: Partial<ChartRendererStrategy> | undefined
Default: —
Requirement: optional

Prop: renderPlanMode
Type: "svg" | "host" | undefined
Default: "host"
Requirement: optional

Prop: showGrid
Type: boolean | undefined
Default: —
Requirement: optional

Prop: legend
Type: boolean | LegendConfig | undefined
Default: false
Requirement: optional

Prop: tooltip
Type: boolean | TooltipBehaviorConfig | undefined
Default: true
Requirement: optional

Prop: animation
Type: ChartAnimationInput | undefined
Default: —
Requirement: optional

Prop: interactive
Type: boolean | undefined
Default: true
Requirement: optional

Prop: keyboardNavigation
Type: boolean | undefined
Default: true
Requirement: optional

Prop: hiddenSeries
Type: readonly string[] | undefined
Default: —
Requirement: optional

Prop: defaultHiddenSeries
Type: readonly string[] | undefined
Default: () => []
Requirement: optional

Prop: activeDatum
Type: string | null | undefined
Default: —
Requirement: optional

Prop: defaultActiveDatum
Type: string | null | undefined
Default: —
Requirement: optional

Prop: speed
Type: number | undefined
Default: —
Requirement: optional

Prop: morphDurationMs
Type: number | undefined
Default: —
Requirement: optional

Prop: replayToken
Type: string | number | undefined
Default: —
Requirement: optional

Prop: theme
Type: PartialChartTheme | undefined
Default: —
Requirement: optional

Prop: title
Type: string | undefined
Default: —
Requirement: optional

Prop: description
Type: string | undefined
Default: —
Requirement: optional

Prop: ariaLabel
Type: string | undefined
Default: —
Requirement: optional

Prop: cells
Type: readonly RasterHeatmapCell[]
Default: —
Requirement: required

Prop: thresholds
Type: readonly number[] | undefined
Default: () => []
Requirement: optional

Events

Event	Payload
`hiddenSeriesChange`	`[ids: readonly string[]]`
`activeDatumChange`	`[id: string \| null]`

Content regions

dataSummary
default

Import

import { ChangeDetectionStrategy, Component } from "@angular/core";
import { GrassrootContourChart } from "@grassroot/charts-angular";

Props

Prop

Type

Default

Requirement

renderer

ChartRenderer

—

optional

gpuBackend

ChartGpuBackend

—

optional

rendererStrategy

Partial<ChartRendererStrategy>

—

optional

renderPlanMode

"svg" | "host"

"host"

optional

ariaLabel

string

—

optional

title

string

—

optional

description

string

—

optional

theme

PartialChartTheme

—

optional

animation

ChartAnimationInput

—

optional

interactive

boolean

true

optional

keyboardNavigation

boolean

true

optional

legend

boolean | LegendConfig

—

optional

hiddenSeries

readonly string[]

—

optional

Prop: renderer
Type: ChartRenderer
Default: —
Requirement: optional

Prop: gpuBackend
Type: ChartGpuBackend
Default: —
Requirement: optional

Prop: rendererStrategy
Type: Partial<ChartRendererStrategy>
Default: —
Requirement: optional

Prop: renderPlanMode
Type: "svg" | "host"
Default: "host"
Requirement: optional

Prop: ariaLabel
Type: string
Default: —
Requirement: optional

Prop: title
Type: string
Default: —
Requirement: optional

Prop: description
Type: string
Default: —
Requirement: optional

Prop: theme
Type: PartialChartTheme
Default: —
Requirement: optional

Prop: animation
Type: ChartAnimationInput
Default: —
Requirement: optional

Prop: interactive
Type: boolean
Default: true
Requirement: optional

Prop: keyboardNavigation
Type: boolean
Default: true
Requirement: optional

Prop: tooltip
Type: boolean | TooltipBehaviorConfig
Default: true
Requirement: optional

Prop: legend
Type: boolean | LegendConfig
Default: —
Requirement: optional

Prop: hiddenSeries
Type: readonly string[]
Default: —
Requirement: optional

Prop: defaultHiddenSeries
Type: readonly string[]
Default: []
Requirement: optional

Prop: activeDatum
Type: string | null
Default: —
Requirement: optional

Prop: defaultActiveDatum
Type: string | null
Default: null
Requirement: optional

Prop: speed
Type: number
Default: —
Requirement: optional

Prop: morphDurationMs
Type: number
Default: —
Requirement: optional

Prop: replayToken
Type: string | number
Default: —
Requirement: optional

Prop: cells
Type: readonly RasterHeatmapCell[]
Default: —
Requirement: required

Prop: thresholds
Type: readonly number[]
Default: []
Requirement: optional

Prop: width
Type: number
Default: —
Requirement: optional

Prop: height
Type: number
Default: —
Requirement: optional

Prop: showGrid
Type: boolean
Default: —
Requirement: optional

Prop: className
Type: string
Default: —
Requirement: optional

Events

Event	Payload
`activeDatumChange`	`string \| null`
`hiddenSeriesChange`	`readonly string[]`

Content regions

dataSummary
default

Import

import { ContourChart } from "@grassroot/charts-svelte";

Props

Prop

Type

Default

Requirement

cells

readonly RasterHeatmapCell[]

—

required

thresholds

readonly number[]

—

optional

onHiddenSeriesChange

(ids: readonly string[]) => void

—

optional

onActiveDatumChange

(id: string | null) => void

—

optional

class

string

—

optional

style

string

—

optional

width

number

—

optional

height

number

—

optional

renderer

ChartRenderer

—

optional

gpuBackend

ChartGpuBackend

—

optional

rendererStrategy

Partial<ChartRendererStrategy>

—

optional

renderPlanMode

"svg" | "host"

"host"

optional

showGrid

boolean

—

optional

legend

boolean | LegendConfig

false

optional

Prop: cells
Type: readonly RasterHeatmapCell[]
Default: —
Requirement: required

Prop: thresholds
Type: readonly number[]
Default: —
Requirement: optional

Prop: onHiddenSeriesChange
Type: (ids: readonly string[]) => void
Default: —
Requirement: optional

Prop: onActiveDatumChange
Type: (id: string | null) => void
Default: —
Requirement: optional

Prop: class
Type: string
Default: —
Requirement: optional

Prop: style
Type: string
Default: —
Requirement: optional

Prop: width
Type: number
Default: —
Requirement: optional

Prop: height
Type: number
Default: —
Requirement: optional

Prop: renderer
Type: ChartRenderer
Default: —
Requirement: optional

Prop: gpuBackend
Type: ChartGpuBackend
Default: —
Requirement: optional

Prop: rendererStrategy
Type: Partial<ChartRendererStrategy>
Default: —
Requirement: optional

Prop: renderPlanMode
Type: "svg" | "host"
Default: "host"
Requirement: optional

Prop: showGrid
Type: boolean
Default: —
Requirement: optional

Prop: legend
Type: boolean | LegendConfig
Default: false
Requirement: optional

Prop: tooltip
Type: boolean | TooltipBehaviorConfig
Default: true
Requirement: optional

Prop: animation
Type: ChartAnimationInput
Default: —
Requirement: optional

Prop: interactive
Type: boolean
Default: true
Requirement: optional

Prop: keyboardNavigation
Type: boolean
Default: true
Requirement: optional

Prop: hiddenSeries
Type: readonly string[]
Default: —
Requirement: optional

Prop: defaultHiddenSeries
Type: readonly string[]
Default: —
Requirement: optional

Prop: activeDatum
Type: string | null
Default: —
Requirement: optional

Prop: defaultActiveDatum
Type: string | null
Default: —
Requirement: optional

Prop: speed
Type: number
Default: —
Requirement: optional

Prop: morphDurationMs
Type: number
Default: —
Requirement: optional

Prop: replayToken
Type: string | number
Default: —
Requirement: optional

Prop: theme
Type: PartialChartTheme
Default: —
Requirement: optional

Prop: title
Type: string
Default: —
Requirement: optional

Prop: description
Type: string
Default: —
Requirement: optional

Prop: ariaLabel
Type: string
Default: —
Requirement: optional

Events

Event	Payload
`onHiddenSeriesChange`	`(ids: readonly string[]) => void`
`onActiveDatumChange`	`(id: string \| null) => void`

Content regions

children
dataSummary

Import

import { ContourChart } from "@grassroot/charts-solid";

Props

Prop

Type

Default

Requirement

cells

readonly RasterHeatmapCell[]

—

required

thresholds

readonly number[]

—

optional

onActiveDatumChange

(id: string | null) => void

—

optional

onHiddenSeriesChange

(ids: readonly string[]) => void

—

optional

class

string

—

optional

style

JSX.CSSProperties

—

optional

width

number

—

optional

height

number

—

optional

renderer

ChartRenderer

—

optional

gpuBackend

ChartGpuBackend

"auto"

optional

rendererStrategy

Partial<ChartRendererStrategy>

—

optional

renderPlanMode

"svg" | "host"

"host"

optional

showGrid

boolean

—

optional

legend

boolean | LegendConfig

—

optional

Prop: cells
Type: readonly RasterHeatmapCell[]
Default: —
Requirement: required

Prop: thresholds
Type: readonly number[]
Default: —
Requirement: optional

Prop: onActiveDatumChange
Type: (id: string | null) => void
Default: —
Requirement: optional

Prop: onHiddenSeriesChange
Type: (ids: readonly string[]) => void
Default: —
Requirement: optional

Prop: class
Type: string
Default: —
Requirement: optional

Prop: style
Type: JSX.CSSProperties
Default: —
Requirement: optional

Prop: width
Type: number
Default: —
Requirement: optional

Prop: height
Type: number
Default: —
Requirement: optional

Prop: renderer
Type: ChartRenderer
Default: —
Requirement: optional

Prop: gpuBackend
Type: ChartGpuBackend
Default: "auto"
Requirement: optional

Prop: rendererStrategy
Type: Partial<ChartRendererStrategy>
Default: —
Requirement: optional

Prop: renderPlanMode
Type: "svg" | "host"
Default: "host"
Requirement: optional

Prop: showGrid
Type: boolean
Default: —
Requirement: optional

Prop: legend
Type: boolean | LegendConfig
Default: —
Requirement: optional

Prop: tooltip
Type: boolean | TooltipBehaviorConfig
Default: —
Requirement: optional

Prop: animation
Type: ChartAnimationInput
Default: —
Requirement: optional

Prop: interactive
Type: boolean
Default: —
Requirement: optional

Prop: keyboardNavigation
Type: boolean
Default: —
Requirement: optional

Prop: hiddenSeries
Type: readonly string[]
Default: —
Requirement: optional

Prop: defaultHiddenSeries
Type: readonly string[]
Default: —
Requirement: optional

Prop: activeDatum
Type: string | null
Default: —
Requirement: optional

Prop: defaultActiveDatum
Type: string | null
Default: —
Requirement: optional

Prop: speed
Type: number
Default: —
Requirement: optional

Prop: morphDurationMs
Type: number
Default: —
Requirement: optional

Prop: replayToken
Type: string | number
Default: —
Requirement: optional

Prop: theme
Type: PartialChartTheme
Default: —
Requirement: optional

Prop: title
Type: string
Default: —
Requirement: optional

Prop: description
Type: string
Default: —
Requirement: optional

Prop: ariaLabel
Type: string
Default: —
Requirement: optional

Events

Event	Payload
`onActiveDatumChange`	`(id: string \| null) => void`
`onHiddenSeriesChange`	`(ids: readonly string[]) => void`

Content regions

children
dataSummary