Resource data library building management method for digital twin cities
A resource data and database technology, which is applied in electronic digital data processing, digital data information retrieval, database indexing, etc., can solve the problem that associated fields do not have any meaning, cannot quickly and accurately locate 3D data points, delete, modify, and unfavorable data linkage maintenance and maintenance. Update and other issues to achieve the effect of reducing labor management costs and improving management
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[0034] Example 1
[0035] A digital twin city resource data construction library management method, including the following steps:
[0036] First, three-dimensional model construction
[0037] 1, data collection
[0038] Collecting the main construction of the city, the tilt image of the key landscape; uses aviation photography to collect laser point cloud data, including: positioning directional data (POS data): differential GPS data, IMU data; laser scanning quasiogram data: Range Data, scanning angle, echo intensity image; check school data: system parameters (instrument placement parameters); calibration data.
[0039] 2, model construction
[0040] The three-dimensional model is automatically constructed using laser point cloud data and tilt images.
[0041] Second, standard place name address data vector spatialization
[0042] The standard place name address database, real estate registration data, administrative division data, plan status data, natural resource geospatial ...
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