G2 - 色块图

             <!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>色块图</title>
<script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>
<script src="https://gw.alipayobjects.com/as/g/datavis/g2/2.3.13/index.js"></script>
      </head>
      <body>
          <div id="c1"></div>
 <script>
$.getJSON('../../../static/data/polar-heatmap.json',function (data) {
  var chart = new G2.Chart({
    id: 'c1',
    forceFit: true,
    height: 450,
    plotCfg: {
      margin: 40
    }
  });

  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: 3,
    grid: null,
    labels: {
      label: {
        'text-align': 'left'
      }
    }
  });
  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>
          
        

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。

<!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>色块图</title>
        <script src="https://unpkg.com/react@15/dist/react.min.js"></script>
        <script src="https://unpkg.com/react-dom@15/dist/react-dom.min.js"></script>
        <script src="https://a.alipayobjects.com/g/datavis/g2/2.3.13/g2.js"></script>
        <script src="https://unpkg.com/g2-react@1.2.0/dist/index.js"></script>
        <script src="https://cdn.bootcss.com/babel-core/5.8.38/browser.min.js"></script>
        <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
      </head>
      <body>
          <div id="c1"></div>
 <script type="text/babel">
    const Chart = createG2(chart => {
      chart.tooltip({
        title: null
      });
      chart.coord('polar', {
        inner: 0.2
      });
      chart.legend(false);
      chart.axis('week', {
        grid: null
      });
      chart.axis('time', {
        line: null,
        labelOffset: 3,
        grid: null,
        labels: {
          label: {
            'text-align': 'left'
          }
        }
      });
      chart.polygon().position('time*week')
        .color('value', '#ff1717-#ffffff')
        .opacity(0.5)
        .tooltip('week*time*value')
        .style({
          stroke: '#ccc',
          lineWidth: 1
        });
      chart.render();
    });

const MyComponent = React.createClass({
      getInitialState() {
        return {
          data: [],
          forceFit: true,
          height: 450,
          plotCfg: {
            margin: 40
          },
        };
      },
      componentDidMount: function() {
        const self = this;
        axios.get('../../../static/data/polar-heatmap.json').then(function (response) {
          self.setState({
            data: response.data
          });
        }).catch(function (error) {
          console.log(error);
        });
      },
      render() {
          return (
            <div>
              <Chart
                data={this.state.data}
                width={this.state.width}
                height={this.state.height}
                plotCfg={this.state.plotCfg}
                forceFit={this.state.forceFit} />
            </div>
          );
      },
    });
    ReactDOM.render(<MyComponent />, document.getElementById('c1'));
</script>

</body>
    </html>