05_findPathService.html 5.4 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_findPath"></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. <div id="stopMarker1">
  15. <img src="../img/marker.png"/>
  16. </div>
  17. <div id="stopMarker2">
  18. <img src="../img/marker.png"/>
  19. </div>
  20. <div id="stopMarker3">
  21. <img src="../img/marker.png"/>
  22. </div>
  23. <script type="text/javascript">
  24. var map,
  25. baseUrl = (window.isLocal ? window.server : "https://iserver.supermap.io")+"/iserver/services/map-changchun/rest/maps/长春市区图",
  26. serviceUrl = (window.isLocal ? window.server : "https://iserver.supermap.io")+"/iserver/services/transportationanalyst-sample/rest/networkanalyst/RoadNet@Changchun";
  27. //最佳路径分析是按照站点添加顺序对站点进行访问的
  28. var extent = [48.4, -7668.25, 8958.85, -55.58];
  29. var projection = new ol.proj.Projection({
  30. code:'',
  31. extent: extent,
  32. units: 'm'
  33. });
  34. new ol.supermap.MapService(baseUrl).getMapInfo(function (serviceResult) {
  35. var mapJSONObj = serviceResult.result;
  36. map = new ol.Map({
  37. target: 'map',
  38. controls: ol.control.defaults({attributionOptions: {collapsed: false}})
  39. .extend([new ol.supermap.control.Logo()]),
  40. view: new ol.View({
  41. center: [5200, -3375],
  42. zoom: 3,
  43. projection: projection,
  44. multiWorld: true
  45. })
  46. });
  47. var options = ol.source.TileSuperMapRest.optionsFromMapJSON(baseUrl, mapJSONObj);
  48. var layer = new ol.layer.Tile({
  49. source: new ol.source.TileSuperMapRest(options)
  50. });
  51. map.addLayer(layer);
  52. findPathProcess();
  53. });
  54. function findPathProcess() {
  55. //添加站点
  56. var stopMarker1 = new ol.Overlay({
  57. element: document.getElementById('stopMarker1'),
  58. positioning: 'center-center',
  59. position: [4000, -3000]
  60. });
  61. var stopMarker2 = new ol.Overlay({
  62. element: document.getElementById('stopMarker2'),
  63. positioning: 'center-center',
  64. position: [5500, -2500]
  65. });
  66. var stopMarker3 = new ol.Overlay({
  67. element: document.getElementById('stopMarker3'),
  68. positioning: 'center-center',
  69. position: [6900, -4000]
  70. });
  71. map.addOverlay(stopMarker1);
  72. map.addOverlay(stopMarker2);
  73. map.addOverlay(stopMarker3);
  74. //创建最佳路径分析参数实例
  75. var resultSetting = new SuperMap.TransportationAnalystResultSetting({
  76. returnEdgeFeatures: true,
  77. returnEdgeGeometry: true,
  78. returnEdgeIDs: true,
  79. returnNodeFeatures: true,
  80. returnNodeGeometry: true,
  81. returnNodeIDs: true,
  82. returnPathGuides: true,
  83. returnRoutes: true
  84. });
  85. var analystParameter = new SuperMap.TransportationAnalystParameter({
  86. resultSetting: resultSetting,
  87. weightFieldName: "length"
  88. });
  89. var findPathParameter = new SuperMap.FindPathParameters({
  90. isAnalyzeById: false,
  91. nodes: [new ol.geom.Point([4000, -3000]), new ol.geom.Point([5500, -2500]), new ol.geom.Point([6900, -4000])],
  92. hasLeastEdgeCount: false,
  93. parameter: analystParameter
  94. });
  95. //进行查找
  96. new ol.supermap.NetworkAnalystService(serviceUrl).findPath(findPathParameter, function (serviceResult) {
  97. var guideLayerStyle = new ol.style.Style({
  98. image: new ol.style.Icon(({
  99. src: '../img/walk.png',
  100. size: [20, 20]
  101. }))
  102. });
  103. var routeLayerStyle = new ol.style.Style({
  104. stroke: new ol.style.Stroke({
  105. color: 'rgba(100, 100, 225, 10)',
  106. width: 3
  107. }),
  108. fill: new ol.style.Fill({
  109. color: 'rgba(0, 0, 255, 0.1)'
  110. })
  111. });
  112. serviceResult.result.pathList.map(function (result) {
  113. //添加分析出的路线
  114. var routeSource = new ol.source.Vector({
  115. features: (new ol.format.GeoJSON()).readFeatures(result.route)
  116. });
  117. var pathLayer = new ol.layer.Vector({
  118. source: routeSource,
  119. style: routeLayerStyle
  120. });
  121. map.addLayer(pathLayer);
  122. //添加分析出的引导点
  123. var guideSource = new ol.source.Vector({
  124. features: (new ol.format.GeoJSON()).readFeatures(result.pathGuideItems)
  125. });
  126. var guideLayer = new ol.layer.Vector({
  127. source: guideSource,
  128. style: guideLayerStyle
  129. });
  130. map.addLayer(guideLayer);
  131. });
  132. });
  133. }
  134. </script>
  135. </body>
  136. </html>