vizLayer_heatmapLayer.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 charset="utf-8">
  8. <title data-i18n="resources.title_heatMapLayer"></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. width: 300px;
  27. text-align: center;
  28. z-index: 100;
  29. border-radius: 4px;
  30. }
  31. </style>
  32. </head>
  33. <body>
  34. <div id="toolbar" class="panel panel-primary">
  35. <div class='panel-heading'>
  36. <h5 class='panel-title text-center' data-i18n="resources.text_heatMapLayer"></h5></div>
  37. <div class='panel-body content'>
  38. <div class='panel'>
  39. <div class='input-group'>
  40. <span class='input-group-addon' data-i18n="resources.text_countsDraw"></span>
  41. <input type='text' class='form-control' id='heatNums' value='200'/>
  42. </div>
  43. </div>
  44. <div class='panel'>
  45. <div class='input-group'>
  46. <span class='input-group-addon' data-i18n="resources.text_radius"></span>
  47. <input class='form-control' style='width: 50px' value='50' id='heatradius'/>
  48. <select class='form-control' style='width:auto' id='radiusUnit'>
  49. <option value='px'>px</option>
  50. <option value='degree'>degree</option>
  51. </select>
  52. </div>
  53. </div>
  54. <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_startDraw" onclick="createHeatPoints()"/>&nbsp; &nbsp;
  55. <input type="button" class="btn btn-default" data-i18n="[value]resources.text_input_value_clear"
  56. onclick="clearHeatPoints()"/>
  57. </div>
  58. </div>
  59. <div id="map"></div>
  60. <script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
  61. <script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
  62. <script>
  63. var host = window.isLocal ? window.server : "https://iserver.supermap.io";
  64. var map, layer, heatMapLayer,
  65. url = host + "/iserver/services/map-world/rest/maps/World";
  66. init();
  67. function init() {
  68. if (!document.createElement('canvas').getContext) {
  69. widgets.alert.showAlert(resources.msg_supportCanvas, false);
  70. return;
  71. }
  72. map = new SuperMap.Map("map", {
  73. controls: [
  74. new SuperMap.Control.ScaleLine(),
  75. new SuperMap.Control.Zoom(),
  76. new SuperMap.Control.Navigation({
  77. dragPanOptions: {
  78. enableKinetic: true
  79. }
  80. })]
  81. });
  82. map.addControl(new SuperMap.Control.MousePosition());
  83. layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url, {
  84. transparent: true,
  85. cacheEnabled: true
  86. }, {maxResolution: "auto"});
  87. heatMapLayer = new SuperMap.Layer.HeatMapLayer(
  88. "heatMap",
  89. {
  90. "radius": 45,
  91. "featureWeight": "value",
  92. "featureRadius": "geoRadius"
  93. }
  94. );
  95. layer.events.on({"layerInitialized": addLayer});
  96. }
  97. function addLayer() {
  98. map.addLayers([layer, heatMapLayer]);
  99. map.setCenter(new SuperMap.LonLat(0, 0), 0);
  100. }
  101. function createHeatPoints() {
  102. clearHeatPoints();
  103. var heatPoints = [];
  104. var num = parseInt(document.getElementById('heatNums').value);
  105. var radius = parseInt(document.getElementById('heatradius').value);
  106. //var useGeoRadius = "checked" == $('#useGeoRadius').attr('checked');
  107. var unit = document.getElementById("radiusUnit").value,
  108. useGeoRadius = false;
  109. if ("degree" == unit) {
  110. useGeoRadius = true;
  111. }
  112. heatMapLayer.radius = radius;
  113. for (var i = 0; i < num; i++) {
  114. heatPoints[i] = new SuperMap.Feature.Vector(
  115. new SuperMap.Geometry.Point(
  116. Math.random() * 360 - 180,
  117. Math.random() * 180 - 90
  118. ),
  119. {
  120. "value": Math.random() * 9,
  121. "geoRadius": useGeoRadius ? radius : null
  122. }
  123. );
  124. }
  125. heatMapLayer.addFeatures(heatPoints);
  126. }
  127. function clearHeatPoints() {
  128. heatMapLayer.removeAllFeatures();
  129. }
  130. </script>
  131. </body>
  132. </html>