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Radar chartEdit

  • +page.svelte
  • ./_components/Radar.svelte
  • ./_components/AxisRadial.svelte
  • ./_data/radarScores.csv
<script>
  import { LayerCake, Svg } from 'layercake';
  import { scaleLinear } from 'd3-scale';

  import Radar from './_components/Radar.svelte';
  import AxisRadial from './_components/AxisRadial.svelte';

  // This example loads csv data as json using @rollup/plugin-dsv
  import data from './_data/radarScores.csv';

  const seriesKey = 'name';
  const xKey = ['fastball', 'change', 'slider', 'cutter', 'curve'];

  const seriesNames = Object.keys(data[0]).filter(d => d !== seriesKey);

  data.forEach(d => {
    seriesNames.forEach(name => {
      d[name] = +d[name];
    });
  });
</script>

<style>
  /*
    The wrapper div needs to have an explicit width and height in CSS.
    It can also be a flexbox child or CSS grid element.
    The point being it needs dimensions since the <LayerCake> element will
    expand to fill it.
  */
  .chart-container {
    width: 100%;
    height: 250px;
  }
</style>

<div class="chart-container">
  <LayerCake
    padding={{ top: 30, right: 0, bottom: 7, left: 0 }}
    x={xKey}
    xDomain={[0, 10]}
    xRange={({ height }) => [0, height / 2]}
    {data}
  >
    <Svg>
      <AxisRadial/>
      <Radar/>
    </Svg>
  </LayerCake>
</div>