選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。

circle_scan.html 2.1KB

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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. <script src="../dat.gui.min.js"></script>
  9. <link href='/libs/dc-sdk/dc.min.css' type='text/css' rel='stylesheet'>
  10. <link href='../index.css' type='text/css' rel='stylesheet'>
  11. </head>
  12. <body>
  13. <div id="viewer-container">
  14. <div class="btn-box">
  15. <ul>
  16. <li><button onclick="start()">开始</button></li>
  17. <li><button onclick="stop()">结束</button></li>
  18. </ul>
  19. </div>
  20. </div>
  21. <script>
  22. let viewer = undefined
  23. let circleScan =undefined
  24. function start(){
  25. circleScan.start()
  26. }
  27. function stop(){
  28. circleScan.stop()
  29. }
  30. function initViewer() {
  31. viewer = new DC.Viewer('viewer-container').setOptions({
  32. globe: {
  33. depthTestAgainstTerrain: true // 当前示例中的Shader渲染需要开启深度检测,并在无地形时效果好些。
  34. }
  35. })
  36. let baseLayer = DC.ImageryLayerFactory.createAmapImageryLayer({
  37. style: 'img',
  38. crs:'WGS84'
  39. })
  40. viewer.addBaseLayer( baseLayer)
  41. let layer = new DC.TilesetLayer('layer')
  42. viewer.addLayer(layer)
  43. let style = new DC.TilesetStyle()
  44. style.color = {
  45. conditions: [
  46. ['${Height} >= 300', 'rgba(45, 0, 75, 0.5)'],
  47. ['${Height} >= 200', 'rgb(102, 71, 151)'],
  48. ['${Height} >= 100', 'rgb(170, 162, 204)'],
  49. ['${Height} >= 50', 'rgb(224, 226, 238)'],
  50. ['${Height} >= 25', 'rgb(252, 230, 200)'],
  51. ['${Height} >= 10', 'rgb(248, 176, 87)'],
  52. ['${Height} >= 5', 'rgb(198, 106, 11)'],
  53. ['true', 'rgb(127, 59, 8)']
  54. ]
  55. }
  56. let tileset = new DC.Tileset(
  57. 'http://resource.dvgis.cn/data/3dtiles/ljz/tileset.json'
  58. ).setStyle(style)
  59. layer.addOverlay(tileset)
  60. circleScan = new DC.CircleScan(viewer,'121.489206,31.241320', 1000,{
  61. speed: 3
  62. }) // 扫描圈
  63. viewer.flyToPosition(new DC.Position(121.491415, 31.208443, 1954.04, 0, -28))
  64. }
  65. DC.ready({
  66. baseUrl:'../libs/dc-sdk/resources/'
  67. }).then(initViewer)
  68. </script>
  69. </body>
  70. </html>