中国市界json

中国市界线json文件，cesium。var viewer = new Cesium.Viewer('cesiumContainer'); viewer.dataSources.add(Cesium.GeoJsonDataSource.load('../../SampleData/ne_10m_us_states.topojson', { stroke: Cesium.Color.HOTPINK, fill: Cesium.Color.PINK, strokeWidth: 3, markerSymbol: '?' }));