| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253 | <!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width,initial-scale=1.0" />
    <title>dc-example</title>
    <script src="/libs/dc-sdk/dc.min.js"></script>
    <link href="/libs/dc-sdk/dc.min.css" type="text/css" rel="stylesheet" />
    <link href="../index.css" type="text/css" rel="stylesheet" />
  </head>
  <body>
    <div id="viewer-container" class="viewer-container"></div>
    <script>
      const generatePosition = (num) => {
        let list = []
        for (let i = 0; i < num; i++) {
          let lng = 121.48339987478337 + Math.random() * 0.05
          let lat = 31.220954026657488 + Math.random() * 0.05
          list.push({ lng, lat })
        }
        return list
      }
      DC.config.baseUrl = '../libs/dc-sdk/resources/'
      let viewer = new DC.Viewer('viewer-container')
      let baseLayer = DC.ImageryLayerFactory.createImageryLayer(
        DC.ImageryType.AMAP,
        {
          crs: 'WGS84',
        }
      )
      viewer.addBaseLayer(baseLayer, {
        brightness: 0.1,
      })
      let buildingLayer = new DC.TilesetLayer('building-layer').addTo(viewer)
      let tileset = new DC.Tileset(
        '//resource.dvgis.cn/data/3dtiles/ljz/tileset.json'
      )
      buildingLayer.addOverlay(tileset)
      viewer.flyToPosition(
        '121.45765915248303,31.202070402003816,2301.94,44.95,-23.06',
        () => {
          let layer = new DC.HeatMapLayer('layer', {
            useGround: true,
          })
          layer.setPoints(generatePosition(10000))
          viewer.addLayer(layer)
        }
      )
    </script>
  </body>
</html>
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