analysis_terrainCurvatureCalculation.html 7.2 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_terrainCurvatureCalculation"></title>
  9. <style type="text/css">
  10. body {
  11. margin: 0;
  12. overflow: hidden;
  13. background: #fff;
  14. width: 100%;
  15. height: 100%
  16. }
  17. #map {
  18. position: absolute;
  19. width: 100%;
  20. height: 100%;
  21. }
  22. #toolbar {
  23. position: absolute;
  24. top: 50px;
  25. right: 10px;
  26. text-align: center;
  27. z-index: 100;
  28. border-radius: 4px;
  29. }
  30. </style>
  31. </head>
  32. <body>
  33. <div id="toolbar" class="panel panel-primary">
  34. <div class='panel-heading'>
  35. <h5 class='panel-title text-center' data-i18n="resources.text_terrainCurvatureCalculation"></h5></div>
  36. <div class='panel-body content'>
  37. <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_terrainCurvatureCalculation"
  38. onclick="addResultLayer()"/>&nbsp;
  39. <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_clearLayer"
  40. onclick="removeTheme()"/>
  41. </div>
  42. </div>
  43. <div id="map"></div>
  44. <script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
  45. <script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
  46. <script>
  47. var map, baseLayer, layersID, resultLayer,
  48. host = window.isLocal ? window.server : "https://iserver.supermap.io",
  49. url = host + "/iserver/services/map-jingjin/rest/maps/京津地区地图",
  50. url2 = host + "/iserver/services/spatialanalyst-sample/restjsr/spatialanalyst";
  51. init();
  52. function init() {
  53. map = new SuperMap.Map("map", {
  54. controls: [
  55. new SuperMap.Control.ScaleLine(),
  56. new SuperMap.Control.Zoom(),
  57. new SuperMap.Control.Navigation({
  58. dragPanOptions: {
  59. enableKinetic: true
  60. }
  61. })]
  62. });
  63. map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
  64. baseLayer = new SuperMap.Layer.TiledDynamicRESTLayer("京津地区地图", url, {
  65. transparent: true,
  66. cacheEnabled: true
  67. }, {maxResolution: "auto"});
  68. baseLayer.events.on({"layerInitialized": addLayer});
  69. }
  70. function addLayer() {
  71. map.addLayer(baseLayer);
  72. map.setCenter(new SuperMap.LonLat(117.2, 40.11), 0);
  73. map.allOverlays = true;
  74. }
  75. function addResultLayer() {
  76. widgets.alert.clearAlert();
  77. removeTheme();
  78. //创建地形曲率计算服务实例
  79. var terrainCurvatureCalculationService = new SuperMap.REST.TerrainCurvatureCalculationService(url2, {
  80. eventListeners: {
  81. "processCompleted": terrainCurvatureCalculationCompleted,
  82. "processFailed": terrainCurvatureCalculationFailed
  83. }
  84. });
  85. //创建地形曲率计算参数实例
  86. var terrainCurvatureCalculationParameters = new SuperMap.REST.TerrainCurvatureCalculationParameters({
  87. dataset: "JingjinTerrain@Jingjin",
  88. zFactor: 1.0,
  89. averageCurvatureName: "CurvatureA",
  90. deleteExistResultDataset: true
  91. });
  92. //向 iServer 发起地形曲率计算请求
  93. terrainCurvatureCalculationService.processAsync(terrainCurvatureCalculationParameters);
  94. }
  95. //用栅格专题图展示分析结果
  96. function terrainCurvatureCalculationCompleted(terrainCurvatureCalculation) {
  97. var color1 = new SuperMap.REST.ServerColor(0, 0, 255),
  98. color2 = new SuperMap.REST.ServerColor(0, 0, 125),
  99. color3 = new SuperMap.REST.ServerColor(0, 125, 125),
  100. color4 = new SuperMap.REST.ServerColor(0, 125, 0),
  101. color5 = new SuperMap.REST.ServerColor(0, 255, 0),
  102. themeGridRangeIteme1 = new SuperMap.REST.ThemeGridRangeItem({
  103. start: -9000000,
  104. end: -1000,
  105. color: color1
  106. }),
  107. themeGridRangeIteme2 = new SuperMap.REST.ThemeGridRangeItem({
  108. start: -1000,
  109. end: -1,
  110. color: color2
  111. }),
  112. themeGridRangeIteme3 = new SuperMap.REST.ThemeGridRangeItem({
  113. start: -1,
  114. end: 1,
  115. color: color3
  116. }),
  117. themeGridRangeIteme4 = new SuperMap.REST.ThemeGridRangeItem({
  118. start: 1,
  119. end: 1000,
  120. color: color4
  121. }),
  122. themeGridRangeIteme5 = new SuperMap.REST.ThemeGridRangeItem({
  123. start: 1000,
  124. end: 20000000,
  125. color: color5
  126. }),
  127. themeGridRange = new SuperMap.REST.ThemeGridRange({
  128. reverseColor: false,
  129. rangeMode: SuperMap.REST.RangeMode.EQUALINTERVAL,
  130. //栅格分段专题图子项数组
  131. items: [themeGridRangeIteme1,
  132. themeGridRangeIteme2,
  133. themeGridRangeIteme3,
  134. themeGridRangeIteme4,
  135. themeGridRangeIteme5
  136. ]
  137. }),
  138. themeParameters = new SuperMap.REST.ThemeParameters({
  139. //制作专题图的数据集(地形曲率计算的结果数据集)
  140. datasetNames: [terrainCurvatureCalculation.result.averageCurvatureResult.dataset.split('@')[0]],
  141. dataSourceNames: ["Jingjin"],
  142. joinItems: null,
  143. themes: [themeGridRange],
  144. types: ['REGION']
  145. });
  146. var themeService = new SuperMap.REST.ThemeService(url, {
  147. eventListeners: {
  148. "processCompleted": themeCompleted,
  149. "processFailed": themeFailed
  150. }
  151. });
  152. themeService.processAsync(themeParameters);
  153. }
  154. function themeCompleted(themeEventArgs) {
  155. if (themeEventArgs.result.resourceInfo.id) {
  156. resultLayer = new SuperMap.Layer.TiledDynamicRESTLayer("地形曲率计算结果", url, {
  157. cacheEnabled: false,
  158. transparent: true,
  159. layersID: themeEventArgs.result.resourceInfo.id
  160. }, {"maxResolution": "auto"});
  161. resultLayer.events.on({"layerInitialized": addThemelayer});
  162. }
  163. }
  164. function addThemelayer() {
  165. //将专题图添加到地图
  166. map.addLayer(resultLayer);
  167. }
  168. function themeFailed(serviceFailedEventArgs) {
  169. widgets.alert.showAlert(serviceFailedEventArgs.error.errorMsg, false);
  170. }
  171. function terrainCurvatureCalculationFailed(serviceFailedEventArgs) {
  172. widgets.alert.showAlert(serviceFailedEventArgs.error.errorMsg, false);
  173. }
  174. //移除专题图
  175. function removeTheme() {
  176. widgets.alert.clearAlert();
  177. if (map.layers.length > 1) {
  178. map.removeLayer(resultLayer, true);
  179. }
  180. }
  181. </script>
  182. </body>
  183. </html>