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Circle pack

  • +page.svelte
  • ./_components/CirclePack.html.svelte
  • ./_data/fruitGroups.csv
<script>
  import { LayerCake, Html } from 'layercake';

  import CirclePack from './_components/CirclePack.html.svelte';

  // This example loads csv data as json and converts numeric columns to numbers using @rollup/plugin-dsv. See vite.config.js for details
  import data from './_data/fruitGroups.csv';

  /** @type {string} */
  const idKey = 'fruit';
  /** @type {string} */
  const valueKey = 'value';
</script>

<div class="chart-container">
  <LayerCake padding={{ top: 0, bottom: 20, left: 30 }} {data}>
    <Html>
      <CirclePack
        {idKey}
        {valueKey}
        fill="#ff00cc"
        stroke="#9f0080"
        textColor="#61004e"
        textStroke="#ffdbf8"
        textStrokeWidth={1}
      />
    </Html>
  </LayerCake>
</div>

<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>