mapvForceEdgeBuilding.html 6.7 KB

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  1. <!--********************************************************************
  2. * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
  3. *********************************************************************-->
  4. <!DOCTYPE html>
  5. <html lang="en-US">
  6. <head>
  7. <meta charset="UTF-8">
  8. <meta http-equiv="X-UA-Compatible" content="IE=Edge">
  9. <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
  10. <script type="text/javascript" include="mapv" src="../../dist/ol/include-ol.js"></script>
  11. <title data-i18n="resources.title_mapvForceEdge"></title>
  12. <style>
  13. .ol-popup {
  14. position: absolute;
  15. background-color: white;
  16. -webkit-filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
  17. filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
  18. padding: 15px;
  19. border-radius: 10px;
  20. border: 1px solid #cccccc;
  21. bottom: 12px;
  22. left: -50px;
  23. min-width: 280px;
  24. font-size: 8pt;
  25. }
  26. .ol-popup:after, .ol-popup:before {
  27. top: 100%;
  28. border: solid transparent;
  29. content: " ";
  30. height: 0;
  31. width: 0;
  32. position: absolute;
  33. pointer-events: none;
  34. }
  35. .ol-popup:after {
  36. border-top-color: white;
  37. border-width: 10px;
  38. left: 48px;
  39. margin-left: -10px;
  40. }
  41. .ol-popup:before {
  42. border-top-color: #cccccc;
  43. border-width: 11px;
  44. left: 48px;
  45. margin-left: -11px;
  46. }
  47. .ol-popup-closer {
  48. text-decoration: none;
  49. position: absolute;
  50. top: 2px;
  51. right: 8px;
  52. }
  53. .ol-popup-closer:after {
  54. content: "✖";
  55. }
  56. </style>
  57. </head>
  58. <body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%; position: absolute;top: 0;">
  59. <div id="map" style="width: 100%;height:100%"></div>
  60. <div id="popup" class="ol-popup">
  61. <a href="#" id="popup-closer" class="ol-popup-closer"></a>
  62. <div id="popup-content" data-i18n="resources.text_iClient"></div>
  63. </div>
  64. <script type="text/javascript" include="jquery" src="../js/include-web.js"></script>
  65. <script type="text/javascript">
  66. var container = document.getElementById('popup');
  67. var closer = document.getElementById('popup-closer');
  68. var overlay = new ol.Overlay(({
  69. element: container,
  70. autoPan: true,
  71. autoPanAnimation: {
  72. duration: 250
  73. }
  74. }));
  75. closer.onclick = function () {
  76. overlay.setPosition(undefined);
  77. closer.blur();
  78. return false;
  79. };
  80. var map = new ol.Map({
  81. target: 'map',
  82. controls: ol.control.defaults({attributionOptions: {collapsed: false}})
  83. .extend([new ol.supermap.control.Logo()]),
  84. overlays: [overlay],
  85. view: new ol.View({
  86. center: ol.proj.transform([108.154518, 36.643346], 'EPSG:4326', 'EPSG:3857'),
  87. zoom: 4,
  88. projection: 'EPSG:3857',
  89. multiWorld: true
  90. })
  91. });
  92. var host = window.isLocal ? window.server : "https://iserver.supermap.io";
  93. var url = host + "/iserver/services/map-china400/rest/maps/ChinaDark";
  94. map.addLayer(new ol.layer.Tile({
  95. source: new ol.source.TileSuperMapRest({
  96. url: url,
  97. attributions: "Map Data <span>© <a href='http://support.supermap.com.cn/product/iServer.aspx' target='_blank'>SuperMap iServer</a>"
  98. })
  99. }));
  100. overlay.setPosition(map.getView().getCenter());
  101. var randomCount = 500;
  102. var node_data = {
  103. "0": {"x": 108.154518, "y": 36.643346},
  104. "1": {"x": 121.485124, "y": 31.235317},
  105. };
  106. var edge_data = [
  107. {"source": "1", "target": "0"}
  108. ]
  109. var citys = ["北京", "天津", "上海", "重庆", "石家庄", "太原", "呼和浩特", "哈尔滨", "长春", "沈阳", "济南", "南京", "合肥", "杭州", "南昌", "福州", "郑州", "武汉", "长沙", "广州", "南宁", "西安", "银川", "兰州", "西宁", "乌鲁木齐", "成都", "贵阳", "昆明", "拉萨", "海口"];
  110. // 构造数据
  111. for (var i = 1; i < randomCount; i++) {
  112. var cityCenter = mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)]);
  113. node_data[i] = {
  114. x: cityCenter.lng - 5 + Math.random() * 10,
  115. y: cityCenter.lat - 5 + Math.random() * 10,
  116. }
  117. edge_data.push(
  118. {"source": ~~(i * Math.random()), "target": '0'}
  119. );
  120. }
  121. var fbundling = mapv.utilForceEdgeBundling()
  122. .nodes(node_data)
  123. .edges(edge_data);
  124. var results = fbundling();
  125. var data = [];
  126. var timeData = [];
  127. for (var i = 0; i < results.length; i++) {
  128. var line = results[i];
  129. var coordinates = [];
  130. for (var j = 0; j < line.length; j++) {
  131. coordinates.push([line[j].x, line[j].y]);
  132. timeData.push({
  133. geometry: {
  134. type: 'Point',
  135. coordinates: ol.proj.transform([line[j].x, line[j].y], 'EPSG:4326', 'EPSG:3857')
  136. },
  137. count: 1,
  138. time: j
  139. });
  140. }
  141. data.push({
  142. geometry: {
  143. type: 'LineString',
  144. coordinates: transformCoords(coordinates)
  145. }
  146. });
  147. function transformCoords(coordinates) {
  148. var coords = [];
  149. coordinates.map(function (coordinate) {
  150. coords.push(ol.proj.transform(coordinate, 'EPSG:4326', 'EPSG:3857'));
  151. });
  152. return coords;
  153. }
  154. }
  155. var dataSet = new mapv.DataSet(data);
  156. var mapvOptions = {
  157. strokeStyle: 'rgba(55, 50, 250, 0.3)',
  158. globalCompositeOperation: 'lighter',
  159. shadowColor: 'rgba(55, 50, 250, 0.5)',
  160. shadowBlur: 10,
  161. lineWidth: 1.0,
  162. draw: 'simple'
  163. };
  164. var options = {
  165. map: map, dataSet: dataSet, mapvOptions: mapvOptions
  166. };
  167. map.addLayer(new ol.layer.Image({
  168. source: new ol.source.Mapv(options)
  169. }));
  170. var dataSet = new mapv.DataSet(timeData);
  171. var mapvOptions = {
  172. fillStyle: 'rgba(255, 250, 250, 0.9)',
  173. globalCompositeOperation: 'lighter',
  174. size: 1.5,
  175. animation: {
  176. type: 'time',
  177. stepsRange: {
  178. start: 0,
  179. end: 100
  180. },
  181. trails: 1,
  182. duration: 5
  183. },
  184. draw: 'simple'
  185. };
  186. var options = {
  187. map: map,
  188. dataSet: dataSet,
  189. mapvOptions: mapvOptions,
  190. attributions: ''
  191. };
  192. map.addLayer(new ol.layer.Image({
  193. source: new ol.source.Mapv(options)
  194. }));
  195. </script>
  196. </body>
  197. </html>