G2 - 玉玦图

             <!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>玉玦图</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>
var data = [
  {question: '问题 1', percent: 0.21},
  {question: '问题 2', percent: 0.47},
  {question: '问题 3', percent: 0.49},
  {question: '问题 4', percent: 0.52},
  {question: '问题 5', percent: 0.53},
  {question: '问题 6', percent: 0.54},
  {question: '问题 7', percent: 0.60},
  {question: '问题 8', percent: 0.67}
];

var Frame = G2.Frame;
var frame = new Frame(data); // 加工数据
frame.addCol('odd',function(obj,index){
  return index % 2;
});

var chart = new G2.Chart({
  id: 'c1',
  forceFit: true,
  height: 450
});
var defs = {
  'percent': {min: 0,max: 1},
  'odd': {type: 'cat'}
};
chart.source(frame,defs);
chart.tooltip({
  map: {
    value: 'percent',
    name: '占比',
    title: 'question'
  }
});
chart.legend(false);
chart.coord('polar',{inner: 0.1}).transpose();
chart.interval().position('question*percent')
  .color('odd',function(value){
    return ['rgb(224,74,116)', 'rgb(211,0,57)'][value];
  })
  .label('percent',{offset: -5});

frame.each(function(obj){
  chart.guide().text([obj.question,0],obj.question + ' ',{
    textAlign: 'right'
  });
});
chart.render();
</script>


      </body>
    </html>
          
        

玉玦图

玉玦图（又名，环形柱状图），是柱状图关于笛卡尔坐标系转换到极坐标系的仿射变换。其意义和用法与柱状图类似。

<!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>玉玦图</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.col('percent',{min: 0,max: 1});
      chart.col('odd',{type: 'cat'});
      chart.tooltip({
        map: {
          value: 'percent',
          name: '占比',
          title: 'question'
        }
      });
      chart.legend(false);
      chart.coord('polar',{inner: 0.1}).transpose();
      chart.interval().position('question*percent')
        .color('odd',function(value){
          return ['rgb(224,74,116)', 'rgb(211,0,57)'][value];
        })
        .label('percent',{offset: -5});
      const frame = chart.get('data');
      frame.each(function(obj){
        chart.guide().text([obj.question,0],obj.question + ' ',{
          textAlign: 'right'
        });
      });
      chart.render();
    });

const MyComponent = React.createClass({
      getInitialState() {
        const data = [
          {question: '问题 1', percent: 0.21},
          {question: '问题 2', percent: 0.47},
          {question: '问题 3', percent: 0.49},
          {question: '问题 4', percent: 0.52},
          {question: '问题 5', percent: 0.53},
          {question: '问题 6', percent: 0.54},
          {question: '问题 7', percent: 0.60},
          {question: '问题 8', percent: 0.67}
        ];

const Frame = G2.Frame;
        const frame = new Frame(data); // 加工数据
        frame.addCol('odd',function(obj,index){
          return index % 2;
        });
        return {
          data: frame,
          forceFit: true,
          height: 450
        };
      },
      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>