openlayers3 热力图

[{"title":"（ 8 个子文件 613KB ） openlayers3 热力图","children":[{"title":"heatmap","children":[{"title":"3.json <span style='color:#111;'> 207.85KB </span>","children":null,"spread":false},{"title":"2012_Earthquakes_Mag5.kml <span style='color:#111;'> 462.89KB </span>","children":null,"spread":false},{"title":"js","children":[{"title":"jquery.js <span style='color:#111;'> 94.12KB </span>","children":null,"spread":false},{"title":"ol.css <span style='color:#111;'> 3.77KB </span>","children":null,"spread":false},{"title":"ol.js <span style='color:#111;'> 503.40KB </span>","children":null,"spread":false},{"title":"ol-debug.js <span style='color:#111;'> 2.46MB </span>","children":null,"spread":false}],"spread":true},{"title":"heatmap.html <span style='color:#111;'> 291.80KB </span>","children":null,"spread":false},{"title":"map.geojson <span style='color:#111;'> 218.59KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]