Solutions and Core Techniques of City Modeling

City modeling is one of the core techniques and essential steps of realizing Digital City, the inevitable outcome of the information Eva. Nowadays, although City Modeling has become the hotspot of digital city concept all over the world, and many people are trying to realize city modeling in various ways, but there are still lots of technique bottle necks need to be resolved. To meet the rising requirements, here we introduce the essential principle and some solution of city modeling, including some bottle necks and their solutions, such as semi automating of house modeling, semi automatic mapping of house texture, occlusion analyzing of house texture, compressing of data etc.$$$$