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polygon_rotate.html 1.5KB

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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='../turf.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" class="viewer-container"></div>
  14. <script>
  15. let viewer = undefined
  16. function initViewer() {
  17. viewer = new DC.Viewer('viewer-container')
  18. viewer.setOptions({
  19. enableFxaa:true
  20. })
  21. let baseLayer = DC.ImageryLayerFactory.createImageryLayer(DC.ImageryType.AMAP,{
  22. style:'img',
  23. crs:'WGS84'
  24. })
  25. viewer.addBaseLayer( baseLayer)
  26. let layer = new DC.VectorLayer('layer')
  27. viewer.addLayer(layer)
  28. let polygon = new DC.Polygon("120.71259021075333,31.22148081085083;120.71611354431036,31.221447256684566;120.7140691869497,31.21875584696343")
  29. polygon.setStyle({
  30. material:DC.Color.YELLOW
  31. })
  32. layer.addOverlay(polygon)
  33. let coords = DC.GeoTools.transformPolygonRotate("120.71259021075333,31.22148081085083;120.71611354431036,31.221447256684566;120.7140691869497,31.21875584696343",45)
  34. polygon = new DC.Polygon(coords)
  35. polygon.setStyle({
  36. zIndex:1,
  37. material:DC.Color.RED.withAlpha(0.5)
  38. })
  39. layer.addOverlay(polygon)
  40. viewer.flyTo(layer)
  41. }
  42. DC.ready({
  43. baseUrl:'../libs/dc-sdk/resources/',
  44. turf:window.turf
  45. }).then(initViewer)
  46. </script>
  47. </body>
  48. </html>