04_thiessenAnalystService_geometry.html 3.6 KB

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  1. <!--********************************************************************
  2. * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
  3. *********************************************************************-->
  4. <!DOCTYPE html>
  5. <html>
  6. <head>
  7. <meta charset="UTF-8">
  8. <title data-i18n="resources.title_thiessenAnalystGeometry"></title>
  9. <script type="text/javascript" src="../js/include-web.js"></script>
  10. <script type="text/javascript" src="../../dist/ol/include-ol.js"></script>
  11. </head>
  12. <body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%; position: absolute;top: 0;">
  13. <div id="map" style="width: 100%;height:100%"></div>
  14. <script type="text/javascript">
  15. var map, options,
  16. baseUrl = (window.isLocal ? window.server : "https://iserver.supermap.io")+"/iserver/services/map-changchun/rest/maps/长春市区图",
  17. serviceUrl = (window.isLocal ? window.server : "https://iserver.supermap.io")+"/iserver/services/spatialanalyst-changchun/restjsr/spatialanalyst";
  18. var extent = [48.4, -7668.25, 8958.85, -55.58];
  19. var projection = new ol.proj.Projection({
  20. code:'',
  21. extent: extent,
  22. units: 'm'
  23. });
  24. new ol.supermap.MapService(baseUrl).getMapInfo(function (serviceResult) {
  25. var mapJSONObj = serviceResult.result;
  26. map = new ol.Map({
  27. target: 'map',
  28. controls: ol.control.defaults({attributionOptions: {collapsed: false}})
  29. .extend([new ol.supermap.control.Logo()]),
  30. view: new ol.View({
  31. center: [4503.6240321526, -3861.911472192499],
  32. zoom: 1,
  33. projection: projection,
  34. multiWorld: true
  35. })
  36. });
  37. options = ol.source.TileSuperMapRest.optionsFromMapJSON(baseUrl, mapJSONObj);
  38. var layer = new ol.layer.Tile({
  39. source: new ol.source.TileSuperMapRest(options)
  40. });
  41. map.addLayer(layer);
  42. thiessenAnalystProcess();
  43. });
  44. function thiessenAnalystProcess() {
  45. //创建几何泰森多边形参数
  46. var pointsList = [
  47. new ol.geom.Point([5238.998556, -1724.229865]),
  48. new ol.geom.Point([4996.270055, -2118.538477]),
  49. new ol.geom.Point([5450.34263, -2070.794081]),
  50. new ol.geom.Point([5317.70775, -2521.162355]),
  51. new ol.geom.Point([5741.149405, -1970.130198]),
  52. new ol.geom.Point([4716.133098, -1575.858795]),
  53. new ol.geom.Point([5447.671615, -2255.928819]),
  54. new ol.geom.Point([4783.423507, -1135.598744]),
  55. new ol.geom.Point([5472.712382, -2189.15344]),
  56. new ol.geom.Point([5752.716961, -2425.40363])
  57. ];
  58. var gThiessenAnalystParameters = new SuperMap.GeometryThiessenAnalystParameters({
  59. points: pointsList
  60. });
  61. //创建泰森多边形服务实例
  62. new ol.supermap.SpatialAnalystService(serviceUrl).thiessenAnalysis(gThiessenAnalystParameters, function (serviceResult) {
  63. var vectorSource = new ol.source.Vector({
  64. features: (new ol.format.GeoJSON()).readFeatures(serviceResult.result.regions)
  65. });
  66. var polygonLayer = new ol.layer.Vector({
  67. source: vectorSource,
  68. style: new ol.style.Style({
  69. stroke: new ol.style.Stroke({
  70. color: 'rgba(100, 100, 225, 10)',
  71. width: 2
  72. }),
  73. fill: new ol.style.Fill({
  74. color: 'rgba(0, 0, 255, 0.1)'
  75. })
  76. })
  77. });
  78. map.addLayer(polygonLayer);
  79. })
  80. }
  81. </script>
  82. </body>
  83. </html>