You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

heat.html 1.5KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758
  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. let positions = generatePosition(1000)
  46. layer.setPositions(positions)
  47. })
  48. viewer.flyToPosition("120.670183527,31.348282115,109658.22,0,-89.90659095062371")
  49. }
  50. DC.ready(initViewer)
  51. </script>
  52. </body>
  53. </html>