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当使用 Mapbox 的 GL JS 可视化集群时,如何将集群显示为大小/颜色与集群点的平均值的属性“Rev”成比例的圆圈,而不是与点数属性成比例,就像我的代码现在正在做的那样.

有什么方法可以简单地做到这一点,还是我应该研究其他方法?

这是我的 GeoJson 文件,后跟 HTML/JS 代码:

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}
<!DOCTYPE html>
<html>

<head>
  <meta charset='utf-8' />
  <title>Display a map</title>
  <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
  <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.46.0/mapbox-gl.js'></script>
  <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.46.0/mapbox-gl.css' rel='stylesheet' />
  <style>
    body {
      margin: 0;
      padding: 0;
    }
    
    #map {
      position: absolute;
      top: 0;
      bottom: 0;
      width: 100%;
    }
  </style>
</head>

<body>

  <div id='map'></div>
  <script>
    mapboxgl.accessToken = 'pk.eyJ1Ijoicm9kb2xwaGVnIiwiYSI6ImNqZjlzdnhndTBsdnMycW9mb3BpbHE4azMifQ._NTOVMlFUt17lxImA6WEIg';
    const map = new mapboxgl.Map({
      container: 'map',
      style: 'mapbox://styles/rodolpheg/cjkvlobk505l92ro0caogtdl0',
      center: [-56, 48],
      zoom: 5
    });

    var min = 8000;
    var max = 100000;
    var color1 = 'F03434';
    var color2 = '446CB3';

    map.on('load', function() {
      map.addSource("rev-statcan", {
        type: "geojson",
        data: "geoJsonStatCanRevCourt.geojson",
        cluster: true,
        clusterMaxZoom: 14,
        clusterRadius: 40
      });

      map.addLayer({
        id: "clusters",
        type: "circle",
        source: "rev-statcan",
        filter: ["has", "point_count"],
        paint: {
          "circle-color": {
            property: "point_count",
            type: "interval",
            stops: [
              [0, "#71AAC4"],
              [100, "#71AAC5"],
              [750, "#71AAC6"],
            ]
          },
          "circle-radius": {
            property: "point_count",
            type: 'exponential',
            stops: [
              [0, 10],
              [2000, 50]
            ]
          }
        }
      });

      map.addLayer({
        id: "cluster-count",
        type: "symbol",
        source: "rev-statcan",
        filter: ["has", "point_count"],
        layout: {
          "text-field": "{point_count_abbreviated}",
          "text-font": ["DIN Offc Pro Medium", "Arial Unicode MS Bold"],
          "text-size": 12
        }
      });

      map.addLayer({
        id: "unclustered-point",
        type: "circle",
        source: "rev-statcan",
        filter: ["!has", "point_count"],
        paint: {
          'circle-color': {
            property: 'Rev',
            type: 'exponential',
            stops: [
              [8000, '#' + color1],
              [100000, '#' + color2]
            ]
          },
          'circle-radius': {
            property: 'Rev',
            type: 'exponential',
            stops: [
              [8000, 2],
              [100000, 30]
            ]
          }
        }
      });
    });
  </script>
</body>

</html>

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