1 OverviewTraditional land and resources information management mainly uses software platforms such as ArcGIS, MapInfo, and MapGIS, combined with databases such as Oracle and SQLserver, to abstractly reflect the real world, better at accessing and manipulating vector data, and requiring certain professionalism of operators . However, with the in-depth application of GIS, users are more demanding to restore reality in a three-dimensional scene. The traditional single-factor management method cannot meet the current management needs, and it is necessary to achieve a two-dimensional to three-dimensional transformation. Feiyan's three-dimensional land information platform is a new geographic information application platform that combines multiple platforms and multiple data to realize the expression of the surface and shape of objects to the internal structure and meet the needs of three-dimensional observation, processing and analysis.
1) Use BIM and 3D solid models to realize the expression from the surface and shape of the object to the internal structure expression
2) New types of data (tilt, BIM, laser point cloud) are merged with traditional data (image, vector, terrain, fine model) to improve the modeling accuracy
3) 3D GIS application based on WebGL and B / S architecture4) Multi-platform integration, cross-platform new applications
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