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label_custom.html 1.9KB

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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, 3000))
  34. }
  35. return list
  36. }
  37. function initViewer() {
  38. viewer = new DC.Viewer('viewer-container')
  39. let key = '0f7c1d161d7352116a21aacf0e9f44c1'
  40. let cva = DC.ImageryLayerFactory.createTdtImageryLayer({
  41. key,
  42. style: 'cva'
  43. })
  44. let vec = DC.ImageryLayerFactory.createTdtImageryLayer({
  45. key
  46. })
  47. viewer.addBaseLayer([vec, cva])
  48. let layer = new DC.VectorLayer('layer')
  49. viewer.addLayer(layer)
  50. let positions = generatePosition(20)
  51. let material = new DC.PolylineDashMaterialProperty({
  52. color: DC.Color.ORANGE
  53. })
  54. positions.forEach(item => {
  55. let label = new DC.CustomLabel(
  56. item,
  57. '数字视觉'
  58. )
  59. label.setStyle({
  60. fillColor: DC.Color.YELLOW,
  61. font: '12px',
  62. pixelOffset:{x:0, y:-10}
  63. })
  64. label.setVLine({
  65. width: 2,
  66. material
  67. })
  68. layer.addOverlay(label)
  69. })
  70. viewer.flyTo(layer)
  71. }
  72. DC.ready(initViewer)
  73. </script>
  74. </body>
  75. </html>