Research on Coordinate Transformation Technology in CIM and BIM Application

Hua Zhang

doi:10.16670/j.cnki.cn11-5823/tu.2023.02.05

Citation: Hua Zhang. Research on Coordinate Transformation Technology in CIM and BIM Application. Journal of Information Technologyin Civil Engineering and Architecture, 2023, 15(2): 24-30. doi: 10.16670/j.cnki.cn11-5823/tu.2023.02.05

2023, 15(2): 24-30. doi: 10.16670/j.cnki.cn11-5823/tu.2023.02.05

Research on Coordinate Transformation Technology in CIM and BIM Application

Hua Zhang

China Design Group Co., Ltd., Nanjing 210014, China

Web Publishing Date: 2023-04-20

Fund Project: 江苏省交通科学研究计划项目 2020QD26

The construction of city information model (CIM) needs to settle transformation of various data in a unified coordinate system. By sorting out the commonly used coordinate systems, this paper analyzes the conversion principles between different coordinate systems, introduces the application cases of the BIM model conversion process under the CGCS2000 projected coordinate system and the Nanjing local projected coordinate system, and finally proposes a set of integration solution from BIM model to CIM platform under heterogeneous coordinate systems.

Key words: BIM, CIM, Coordinate System, Nanjing Local Coordinate System, Coordinate Transformation

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