controler_areaMeasure.html 4.9 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 http-equiv="Content-Type" content="text/html; charset=utf-8" />
  8. <title data-i18n="resources.title_areaMeasure"></title>
  9. <style type="text/css">
  10. .editPane {
  11. position: absolute;
  12. left: 50px;
  13. top: 10px;
  14. text-align: center;
  15. background: #FFF;
  16. display: inline-block;
  17. z-index: 1000;
  18. }
  19. </style>
  20. </head>
  21. <body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
  22. <div class='panel panel-primary editPane' id='editPane' style="z-index: 99999">
  23. <div class='panel-heading'>
  24. <h5 class='panel-title text-center' data-i18n="resources.text_areaMeasure"></h5>
  25. </div>
  26. <div class='panel-body content' id='params'>
  27. <div class='button-group'>
  28. <input type='button' id='btn1' class='btn btn-primary' data-i18n="[value]resources.text_input_value_areaMeasure" onclick="areaMeasure()"/>
  29. <input type='button' id='btn2' class='btn btn-primary' data-i18n="[value]resources.text_input_value_clear" onclick="clearFeatures()"/>
  30. </div>
  31. </div>
  32. </div>
  33. <div id="map" style="margin:0 auto;width: 100%;height: 100%"></div>
  34. <script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
  35. <script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
  36. <script type="text/javascript">
  37. host = window.isLocal ? window.server : "https://iserver.supermap.io";
  38. var map, layer, drawPolygon, polygonLayer;
  39. style = {
  40. strokeColor: "#304DBE",
  41. strokeWidth: 2,
  42. pointerEvents: "visiblePainted",
  43. fillColor: "#304DBE",
  44. fillOpacity: 0.8
  45. },
  46. url=host+"/iserver/services/map-world/rest/maps/World";
  47. //新建面矢量图层
  48. polygonLayer = new SuperMap.Layer.Vector("polygonLayer");
  49. //对面图层应用样式style(前面有定义)
  50. polygonLayer.style = style;
  51. /*
  52. 注册featureadded事件,触发drawCompleted()方法
  53. 例如注册"loadstart"事件的单独监听
  54. events.on({ "loadstart": loadStartListener });
  55. */
  56. //创建画面控制,图层是polygonLayer
  57. drawPolygon = new SuperMap.Control.DrawFeature(polygonLayer, SuperMap.Handler.Polygon);
  58. drawPolygon.events.on({"featureadded": drawCompleted});
  59. //定义layer图层,TiledDynamicRESTLayer:分块动态 REST 图层
  60. layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url, { transparent: true, cacheEnabled: true }, { maxResolution: "auto" });
  61. //为图层初始化完毕添加addLayer()事件
  62. layer.events.on({"layerInitialized":addLayer});
  63. map = new SuperMap.Map("map",{controls: [
  64. new SuperMap.Control.ScaleLine(),
  65. new SuperMap.Control.Zoom(),
  66. new SuperMap.Control.Navigation({
  67. dragPanOptions: {
  68. enableKinetic: true
  69. }}),
  70. drawPolygon]
  71. });
  72. function addLayer() {
  73. map.addLayers([layer, polygonLayer]);
  74. map.setCenter(new SuperMap.LonLat(0, 0), 1);
  75. }
  76. function areaMeasure(){
  77. widgets.alert.clearAlert();
  78. clearFeatures();
  79. drawPolygon.activate();
  80. }
  81. //绘完触发事件
  82. function drawCompleted(drawGeometryArgs) {
  83. //停止画面控制
  84. drawPolygon.deactivate();
  85. //获得图层几何对象
  86. var geometry = drawGeometryArgs.feature.geometry,
  87. measureParam = new SuperMap.REST.MeasureParameters(geometry), /* MeasureParameters:量算参数类。 客户端要量算的地物间的距离或某个区域的面积*/
  88. myMeasuerService = new SuperMap.REST.MeasureService(url); //量算服务类,该类负责将量算参数传递到服务端,并获取服务端返回的量算结果
  89. myMeasuerService.events.on({ "processCompleted": measureCompleted });
  90. //对MeasureService类型进行判断和赋值,当判断出是LineString时设置MeasureMode.DISTANCE,否则是MeasureMode.AREA
  91. myMeasuerService.measureMode = SuperMap.REST.MeasureMode.AREA;
  92. myMeasuerService.processAsync(measureParam); //processAsync负责将客户端的量算参数传递到服务端。
  93. }
  94. //测量结束调用事件
  95. function measureCompleted(measureEventArgs) {
  96. var area = measureEventArgs.result.area,
  97. unit = measureEventArgs.result.unit;
  98. widgets.alert.showAlert(resources.msg_measureResult + area + resources.msg_sqm,true);
  99. }
  100. //移除图层要素
  101. function clearFeatures(){
  102. polygonLayer.removeAllFeatures();
  103. widgets.alert.clearAlert();
  104. }
  105. </script>
  106. </body>
  107. </html>