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Openlayers 3 热力图
<body> <div id="map"></div> <script> var map = new ol.Map({ //初始化map target: ‘map‘, layers: [ new ol.layer.Tile({ source: new ol.source.OSM() }) ], view: new ol.View({ center: ol.proj.transform([37.41, 8.82], ‘EPSG:4326‘, ‘EPSG:3857‘), zoom: 4 }) }); var blur = document.getElementById(‘blur‘); var radius = document.getElementById(‘radius‘); var heatmap = new ol.layer.Heatmap({ source: new ol.source.Vector({ url: ‘data/kml/2012_Earthquakes_Mag5.kml‘, projection: ‘EPSG:3857‘, format: new ol.format.KML({ extractStyles: false }) }), blur: 10, radius: 10 }); map.addLayer(heatmap); </script> </body>
Openlayers 3 热力图
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