G2 - The Grammar Of Graphics

地图 / 分级统计图

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源码

<!DOCTYPE html>
  <html>
    <head>
      <meta charset="utf-8">
      <title>分级统计图</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>
var Stat = G2.Stat;
$.getJSON('../../static/data/USA.geo.json', function(mapData) {
  var map = [];
  var features = mapData.features;
  for(var i=0; i<features.length; i++) {
    var name = features[i].properties.name;
    map.push({
      "name": name
    });
  }
  var chart = new G2.Chart({
      id: 'c1',
      width: 1000,
      height: 500,
      plotCfg: {
        margin: [40, 140]
      }
    });
  chart.source(map);
  chart.legend(false);
  chart.polygon().position(Stat.map.region('name', mapData)).color('#e6e6e6').style({
    stroke: '#999',
    lineWidth: 1
  });

$.getJSON('../../static/data/2014-usa-population.json', function(data) {
    var view = chart.createView();
    view.source(data);
    view.polygon().position(Stat.map.region('State', mapData)).color('Population','#e5f5e0-#31a354');
    view.point().position(Stat.map.center('State', mapData)).size(0).label('code', {offset: 0});
    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>
var Stat = G2.Stat;
$.getJSON('../../static/data/USA.geo.json', function(mapData) {
  var map = [];
  var features = mapData.features;
  for(var i=0; i<features.length; i++) {
    var name = features[i].properties.name;
    map.push({
      "name": name
    });
  }
  var chart = new G2.Chart({
      id: 'c1',
      width: 1000,
      height: 500,
      plotCfg: {
        margin: [40, 140]
      }
    });
  chart.source(map);
  chart.legend(false);
  chart.polygon().position(Stat.map.region('name', mapData)).color('#e6e6e6').style({
    stroke: '#999',
    lineWidth: 1
  });

</body>
  </html>

分级统计图

分级统计图是一种在地图分区上使用视觉符号（通常是颜色、阴影或者不同疏密的晕线）来表示一个范围值的分布情况的地图。了解更多