G2 - 径向树图

   <!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>径向树图</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/d3-module.json', function(data) {
  var Layout = G2.Layout;
  var Stat = G2.Stat;
  var chart = new G2.Chart({
    id: 'c1',
    forceFit: true,
    height: 800,
    plotCfg: {
      margin: [20,50]
    }
  });

  // 不显示title
  chart.tooltip({
    title: null
  });

  // 不显示图例
  chart.legend(false);

  // 使用layout，用户可以自己编写自己的layout
  // 仅约定输出的节点 存在 id,x，y字段即可
  var layout = new Layout.Tree({
    nodes: data
  });
  var nodes = layout.getNodes();
  var edges = layout.getEdges();

  // 首先绘制 edges，点要在边的上面
  // 创建单独的视图
  var edgeView = chart.createView();
  edgeView.source(edges);
  edgeView.coord('polar'); //
  edgeView.axis(false);
  edgeView.tooltip(false);
  // Stat.link 方法会生成 ..x, ..y的字段类型，数值范围是 0-1
  edgeView.edge()
       .position(Stat.link('source*target',nodes))
       .shape('smooth')
       .color('#ccc')
       .shape('vhv');

  // 创建节点视图
  var nodeView = chart.createView();
  nodeView.coord('polar'); //'polar'
  nodeView.axis(false);

  // 节点的x,y范围是 0，1
  // 因为边的范围也是 0,1所以正好统一起来
  nodeView.source(nodes, {
    x: {min: 0,max:1},
    y: {min: 0, max:1},
    value: {min: 0}
  });

  nodeView.point().position('x*y').color('steelblue').size(3).label('name', {
    offset: 5,
    labelEmit: true
  })
  .tooltip('name');
  chart.render();
});
</script>

      </body>
    </html>
          

径向树图

径向树图，可以解决大量层级数据的空间利用率问题

<!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>径向树图</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 => {
      var Layout = G2.Layout;
      var Stat = G2.Stat;

// 不显示title
      chart.tooltip({
        title: null
      });
      // 不显示图例
      chart.legend(false);
      var data = chart.get('data').data;
      // 使用layout，用户可以自己编写自己的layout
      // 仅约定输出的节点 存在 id,x，y字段即可
      var layout = new Layout.Tree({
        nodes: data
      });
      var nodes = layout.getNodes();
      var edges = layout.getEdges();

// 首先绘制 edges，点要在边的上面
      // 创建单独的视图
      var edgeView = chart.createView();
      edgeView.source(edges);
      edgeView.coord('polar');
      edgeView.axis(false);
      edgeView.tooltip(false);
      // Stat.link 方法会生成 ..x, ..y的字段类型，数值范围是 0-1
      edgeView.edge()
           .position(Stat.link('source*target',nodes))
           .shape('smooth')
           .color('#ccc')
           .shape('vhv');

// 创建节点视图
      var nodeView = chart.createView();
      nodeView.coord('polar');
      nodeView.axis(false);

// 节点的x,y范围是 0，1
      // 因为边的范围也是 0,1所以正好统一起来
      nodeView.source(nodes, {
        x: {min: 0,max:1},
        y: {min: 0, max:1},
        value: {min: 0}
      });

nodeView.point().position('x*y').color('steelblue').size(3).label('name', {
        offset: 5,
        labelEmit: true
      })
      .tooltip('name');
      chart.render();
    });

const MyComponent = React.createClass({
      getInitialState() {
        return {
          data: [],
          forceFit: true,
          width: 500,
          height: 800,
          plotCfg: {
            margin: [20,50]
          }
        };
      },
      componentDidMount: function() {
        const self = this;
        axios.get('../../../static/data/d3-module.json').then(function (response) {
          self.setState({
            data: response.data
          });
        }).catch(function (error) {
          console.log(error);
        });
      },
      render() {
        if (this.state.data.length === 0) {
          return (<div></div>);
        } else {
          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>