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point_buffer.html 1.4KB

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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 initViewer() {
  29. viewer = new DC.Viewer('viewer-container')
  30. let baselayer = DC.ImageryLayerFactory.createAmapImageryLayer({
  31. crs:"WSG84"
  32. })
  33. viewer.addBaseLayer(baselayer)
  34. let layer = new DC.VectorLayer('layer')
  35. viewer.addLayer(layer)
  36. let point = new DC.Point("120.71259021075333,31.22148081085083")
  37. layer.addOverlay(point)
  38. let coords = DC.GeoTools.pointBuffer("120.71259021075333,31.22148081085083",100)
  39. let polygon = new DC.Polygon(coords)
  40. polygon.setStyle({
  41. material:DC.Color.RED.withAlpha(0.4)
  42. })
  43. layer.addOverlay(polygon)
  44. viewer.flyTo(layer)
  45. }
  46. DC.ready(initViewer)
  47. </script>
  48. </body>
  49. </html>