G2 - 分级统计地图

   <!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>分级统计地图</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 Stat = G2.Stat;
$.getJSON('../../../static/data/USA.geo.json', function(mapData) {
  $.getJSON('../../../static/data/2014-usa-population.json', function(data) {
    var chart = new G2.Chart({
      id: 'c1',
      forceFit: true,
      height: 450,
      plotCfg: {
        margin: 60
      }
    });
    chart.source(data);
    chart.legend(false);
    chart.polygon().position(Stat.map.region('State', mapData)).color('Population','#e5f5e0-#31a354').style({
      stroke: '#999',
      lineWidth: 1
    });
    chart.point().position(Stat.map.center('State', mapData)).size(0).label('code', {offset: 0});
    chart.render();
  });
});
</script>


      </body>
    </html>
          

分级统计地图

分级统计地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

<!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8">
        <title>分级统计地图</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">
    let geoJSON;
    const Chart = createG2(chart => {
      chart.legend(false);
      chart.polygon().position(Stat.map.region('State', geoJSON)).color('Population','#e5f5e0-#31a354').style({
        stroke: '#999',
        lineWidth: 1
      });
      chart.point().position(Stat.map.center('State', geoJSON)).size(0).label('code', {offset: 0});
      chart.render();
    });

const MyComponent = React.createClass({
      getInitialState() {
        return {
          data: [],
          forceFit: true,
          width: 500,
          height: 450,
          plotCfg: {
            margin: 60
          }
        };
      },
      componentDidMount: function() {
        const self = this;
        axios.get('../../../static/data/USA.geo.json').then(function (response) {
          geoJSON = response.data;
        }).catch(function (error) {
          console.log(error);
        });
        axios.get('../../../static/data/2014-usa-population.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>