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heat_height.html 1.6KB

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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.base.min.js'></script>
  8. <script src='/libs/dc-sdk/dc.core.min.js'></script>
  9. <script>DC.baseUrl='../libs/dc-sdk/resources/'</script>
  10. <link href='/libs/dc-sdk/dc.core.min.css' type='text/css' rel='stylesheet'>
  11. <link href='../index.css' type='text/css' rel='stylesheet'>
  12. <style>
  13. *{
  14. margin: 0;
  15. padding: 0;
  16. }
  17. html,body,#viewer-container{
  18. width: 100%;
  19. height: 100%;
  20. overflow: hidden;
  21. }
  22. </style>
  23. </head>
  24. <body>
  25. <div id="viewer-container"></div>
  26. <script>
  27. let viewer = undefined
  28. function generatePosition(num) {
  29. let list = []
  30. for (let i = 0; i < num; i++) {
  31. let lng = 120.38105869 + Math.random() * 0.5
  32. let lat = 31.10115627 + Math.random() * 0.5
  33. list.push(new DC.Position(lng, lat))
  34. }
  35. return list
  36. }
  37. function initViewer() {
  38. viewer = new DC.Viewer('viewer-container')
  39. let baselayer = DC.ImageryLayerFactory.createAmapImageryLayer()
  40. baselayer.defaultBrightness= 0.2
  41. viewer.addBaseLayer(baselayer)
  42. setTimeout(()=>{
  43. let layer = new DC.HeatLayer('layer',{})
  44. viewer.addLayer(layer)
  45. layer.setPositions(generatePosition(10000))
  46. let layer2 = new DC.HeatLayer('layer2',{ height:4000 })
  47. viewer.addLayer(layer2)
  48. layer2.setPositions( generatePosition(10000))
  49. })
  50. viewer.flyToPosition("120.58464690,30.57441821,35840.6299288431,5.80,-27.24")
  51. }
  52. DC.ready(initViewer)
  53. </script>
  54. </body>
  55. </html>