Geojsongeojson是json下的一个子类，用于记录地理空间数据，一个完整的geojson文件相当于一个对象,以键值对的形式记录。{"type": "FeatureCollection","features": [{"type":"Feature","properties":{},"geometry":{...

dojo.connect(map, "onLoad", function(theMap) {var scalebar = new esri.dijit.Scalebar({ map: map,attachTo: "bottom-left",scalebarUnit: "english" },dojo.byId("scalebar"));//divID});

1.cesium官网APIhttps://cesium.com/docs/cesiumjs-ref-doc/2.cesium官网示例https://sandcastle.cesium.com/index.html?3.cesium模型转换工具http://www.cesiumlab.com/4.openlayers官网地址https://openlayers.org/