G2-mobile - 玫瑰饼图

   <!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>玫瑰饼图</title>
<script src="https://a.alipayobjects.com/g/datavis/g2-mobile-all/2.1.22/index.js"></script>
      </head>
      <body>
          <div style="width:416px;height:218px;margin:0 auto">
              <canvas id="c1" style="width:416px;height:218px;"></canvas>
          </div>
 <script>

GM.Global.pixelRatio = 2;
var data = [
    {"tem":7,"city":"tokyo"},
    {"tem":4,"city":"newYork"},
    {"tem":3,"city":"berlin"}
  ];
var chart = new GM.Chart({
  id: 'c1'
});

chart.source(data, {
  tem: {
    min: 0,
    nice: false
  }
});

chart.coord('polar', {
  inner: 0
});

chart.axis(false);
chart.interval().position('city*tem').color('city');
chart.render();

</script>

      </body>
    </html>
          

玫瑰饼图

玫瑰饼图是在极坐标下绘制的柱状图，使用圆弧的半径长短表示数据的大小。了解更多