Research on rapid construction technology of urban 3 D model
Urban 3D model is the foundation of smart city construction.In the traditional construction process of urban 3D model,the modeling operation is relatively complex,which needs a lot of time and manpower.Moreover,in the construc-tion process,the existing basic geographic information data is not well used,resulting in a waste of data resources.In this paper,the existing basic geographic information data are preprocessed as the base surface data of the 3D model,and the base elevation,building height and building top shape of the 3D model are obtained based on DEM and laser point cloud data.By defining the rule file,the 3D model is constructed in batches after applying the general texture,and the results show that this method can effectively utilize the existing data and greatly improve the efficiency of 3D model modeling.
3D model of citydata collectiontop structurelaser point cloud
NETL
NSTL
万方数据
