点图层聚合

海量点可以开启聚合模式

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
      <link rel="stylesheet" href="https://gw.alipayobjects.com/os/rmsportal/PqLCOJpqoOUfuPRacUzE.css" />
    <title>点图层聚合</title>
    <style> ::-webkit-scrollbar{display:none;}html,body{overflow:hidden;margin:0;}
    	#map { position:absolute; top:0; bottom:0; width:100%; }
    </style>
</head>
<body>
<div id="map"></div>
<script>/*Fixing iframe window.innerHeight 0 issue in Safari*/ document.body.clientHeight; </script>
<script src="https://webapi.amap.com/maps?v=1.4.8&key=15cd8a57710d40c9b7c0e3cc120f1200&plugin=Map3D"></script>
<script src="https://gw.alipayobjects.com/os/antv/assets/lib/jquery-3.2.1.min.js"></script>
<script src="https://gw.alipayobjects.com/os/antv/pkg/_antv.l7-1.3.0-beta.4/build/L7-min.js"></script>
<script>
  var scene = new L7.Scene({
    id: 'map',
    mapStyle: 'dark', // 样式URL
    center: [120.19382669582967, 30.258134],
    pitch: 0,
    zoom: 12
  });
  window.scene = scene;
  scene.on('loaded', function() {
    $.get('https://gw.alipayobjects.com/os/rmsportal/epnZEheZeDgsiSjSPcCv.json', function(data) {
      var circleLayer = scene.PointLayer({
          zIndex: 2
        }).source(data, {
          isCluster: true
        }).shape('circle').size('point_count', [5, 40]) // default 1
        .active(false).color('point_count', ["#002466", "#105CB3", "#2894E0", "#CFF6FF", "#FFF5B8", "#FFAB5C", "#F27049", "#730D1C"]).style({
          stroke: 'rgb(255,255,255)',
          strokeWidth: 2,
          opacity: 1.0
        }).render();

scene.PointLayer({
        zIndex: 5
      }).source(circleLayer.layerSource).shape('point_count', 'text').active(true).size('point_count', [10, 20, 24]).color('#fff').style({
        // fontFamily: 'Monaco, monospace', // 字体
        fontWeight: 200,
        textAnchor: 'center', // 文本相对锚点的位置 center|left|right|top|bottom|top-left
        textOffset: [0, 0], // 文本相对锚点的偏移量 [水平, 垂直]
        spacing: 2, // 字符间距
        padding: [4, 4], // 文本包围盒 padding [水平，垂直]，影响碰撞检测结果，避免相邻文本靠的太近
        strokeColor: 'white', // 描边颜色
        strokeWidth: 2, // 描边宽度
        opacity: 1.0
      }).render();
    });
  });
</script>
</body>
</html>

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