说明：  一篇关于3D GIS开发的硕士论文，完成了基于ArcGis Engine的校园3D系统开发，论文中有不少关于3d场景产生、3d模型导入和生成的代码 很有用
(Development of 3D GIS on a master' s thesis, completed ArcGis Engine based on the campus of 3D systems development, there is a lot of paper produced on the 3d scene, 3d model and generated code into useful)