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heat_building.html 1.5KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="utf-8">
  5. <meta name="viewport" content="width=device-width,initial-scale=1.0">
  6. <title>dc-example</title>
  7. <script src='/libs/dc-sdk/dc.min.js'></script>
  8. <link href='/libs/dc-sdk/dc.min.css' type='text/css' rel='stylesheet'>
  9. <link href='../index.css' type='text/css' rel='stylesheet'>
  10. </head>
  11. <body>
  12. <div id="viewer-container" class="viewer-container"></div>
  13. <script>
  14. let viewer = undefined
  15. function generatePosition(num) {
  16. let list = []
  17. for (let i = 0; i < num; i++) {
  18. let lng = 121.48339987478337 + Math.random() * 0.05
  19. let lat = 31.220954026657488 + Math.random() * 0.05
  20. list.push({lng,lat})
  21. }
  22. return list
  23. }
  24. function initViewer() {
  25. viewer = new DC.Viewer('viewer-container')
  26. let baseLayer = DC.ImageryLayerFactory.createImageryLayer(DC.ImageryType.AMAP,{
  27. crs:'WGS84'
  28. })
  29. viewer.addBaseLayer( baseLayer,{
  30. brightness : 0.1
  31. })
  32. let buildingLayer = new DC.TilesetLayer('building-layer').addTo(viewer)
  33. let tileset = new DC.Tileset(
  34. '//resource.dvgis.cn/data/3dtiles/ljz/tileset.json'
  35. )
  36. buildingLayer.addOverlay(tileset)
  37. viewer.flyToPosition("121.45765915248303,31.202070402003816,2301.94,44.95,-23.06",()=>{
  38. let layer = new DC.HeatMapLayer('layer',{
  39. useGround: true
  40. })
  41. layer.setPoints(generatePosition(10000))
  42. viewer.addLayer(layer)
  43. })
  44. }
  45. DC.ready({
  46. baseUrl:'../libs/dc-sdk/resources/'
  47. }).then(initViewer)
  48. </script>
  49. </body>
  50. </html>