G2 - The Grammar Of Graphics

极坐标 / 色块图

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源码

<!DOCTYPE html>
  <html>
    <head>
      <meta charset="utf-8">
      <title>色块图</title>
      <link rel="stylesheet" href="https://os.alipayobjects.com/s/prod/g2/static/doc-b57e62881a0344ecde9e68c4ce312143.css"/>
      
      <script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
    </head>
    <body>
      <div id="c1"></div>
      
      <script>
$.getJSON('../../static/data/polar-heatmap.json',function (data) {
  var chart = new G2.Chart({
    id: 'c1',
    width: 1000,
    height: 500,
    plotCfg: {
      margin: [40, 100, 80, 80]
    }
  });

chart.source(data);
  chart.tooltip({
    title: null
  });
  chart.coord('polar', {
    inner: 0.2
  });
  chart.legend(false);
  chart.axis('week', {
    grid: null
  });
  chart.axis('time', {
    line: null,
    labelOffset: -1,
    grid: null
  });
  chart.polygon().position('time*week')
    .color('value', '#ff1717-#ffffff')
    .opacity(0.5)
    .tooltip('week*time*value')
    .style({
      stroke: '#ccc',
      lineWidth: 1
    });
  chart.render();
}); 
</script>

</body>
  </html>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
      <script>
        G2.Global.setTheme('dark');
      </script>
    </head>
    <body>
      <div id="c1"></div>
      <script>
$.getJSON('../../static/data/polar-heatmap.json',function (data) {
  var chart = new G2.Chart({
    id: 'c1',
    width: 1000,
    height: 500,
    plotCfg: {
      margin: [40, 100, 80, 80]
    }
  });

</body>
  </html>

色块图

极坐标下的色块图。该图展示了一周七天每天24小时的数据变化。