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- <!--********************************************************************
- * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
- *********************************************************************-->
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title data-i18n="resources.title_heatMap"></title>
- <script type="text/javascript" src="../js/include-web.js"></script>
- <script type="text/javascript" src="../../dist/ol/include-ol.js"></script>
- </head>
- <body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%; position: absolute;top: 0;">
- <div id="map" style="width: 100%;height:100%"></div>
- <script type="text/javascript">
- var url = (window.isLocal ? window.server : "https://iserver.supermap.io")+"/iserver/services/map-china400/rest/maps/China_4326";
- new ol.supermap.MapService(url).getMapInfo(function (serviceResult) {
- var mapJSONObj = serviceResult.result;
- var map = new ol.Map({
- target: 'map',
- controls: ol.control.defaults({attributionOptions: {collapsed: false}})
- .extend([new ol.supermap.control.Logo()]),
- view: new ol.View({
- center: [112, 35],
- zoom: 5,
- projection: 'EPSG:4326',
- multiWorld: true
- })
- });
- var options = ol.source.TileSuperMapRest.optionsFromMapJSON(url, mapJSONObj);
- var layer = new ol.layer.Tile({
- source: new ol.source.TileSuperMapRest(options)
- });
- map.addLayer(layer);
- //创建热力图
- var heatPoints = [];
- var radius = 25;
- var blur = 40;
- var xmax = 130, xmin = 80, ymax = 50, ymin = 20;
- for (var i = 0; i < 100; i++) {
- heatPoints[i] = new ol.Feature(new ol.geom.Point([Math.floor(Math.random() * (xmax - xmin + 1) + xmin), Math.floor(Math.random() * (ymax - ymin + 1) + ymin)]));
- }
- var heatMap = new ol.layer.Heatmap({
- source: new ol.source.Vector({
- features: heatPoints,
- wrapX: false
- }),
- blur: blur,
- radius: radius
- });
- map.addLayer(heatMap);
- });
- </script>
- </body>
- </html>
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