示例文件为gis_1.html
https://cesium.com/cesiumjs/
https://static.bimface.com/api/Glodon/Bimface@3.6.74/CesiumLoader.js
http://www.gpsspg.com/maps.htm
通过上述链接先得到一个大致的经纬度var opt = {};
opt.longitude = 121.63688395557;
opt.latitude = 29.8397133345;
opt.rotation = 0;
opt.offsetHeight = 0;
cesiumManager.updateModelPosition(opt);