下载安装cesium插件
https://www.bilibili.com/video/BV1hq421F7xv/?spm_id_from=333.880.my_history.page.click\&vd_source=02dd8acc3a83a728e375ff61f1ebe725
安装cesiumlab 把osgb转换成3dtiels
https://www.bilibili.com/video/BV1mB4y1e7d5/?spm_id_from=333.880.my_history.page.click\&vd_source=02dd8acc3a83a728e375ff61f1ebe725
Cesium添加3dtiles数据
https://www.cnblogs.com/bimgis/p/16457060.html