The project mainly constructs a real-time 3D geographic information platform with a total area of 10 square kilometers in the main city area, and a 3D scene data model for building an indoor real-scene of 50,000 square meters.
Through oblique photogrammetry, the real-time 3D data acquisition can be realized. By processing the real-scene 3D data and conducting the singulation to the rooms on the floors, the specific room can be positioned from the real-scene 3D map and the docking with the community police information can be achieved. The 3D laser point cloud scanning technology also can be used to perform indoor 3D modeling of some key places. According to the requirements and specifications of a standard information collection, the improvement and standardization of the data can be finished by cooperating with the police. At the same time, based on the 3D map service, the core common business function modules can be built, such as the distribution of police services in the county, to find people from real estate, and to find real estate from people.
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