The supporting method of city information model construction based on city 3D full-space digital base

doi:10.13474/j.cnki.11-2246.2025.1024

Abstract

Abstract: With the in-depth promotion of smart city construction, the city information model (CIM), as a core component of digital twin cities, has become an important means of fine governance and intelligent management in cities.This article focuses on the construction of city information models based on the three-dimensional full-space digital base of cities, and explores its supporting methods and technical system.Firstly, the concept of city 3D full-space digital base, its constituent elements and its importance in the construction of city information model are elaborated.Then, a framework of the supporting methods for the construction of city information model is proposed, including air-ground integrated data acquisition and processing, intelligent multi-source data fusion, and intelligent analysis and visualization.The feasibility and effectiveness of the proposed method are verified through application analysis.Finally, the research results are summarized and the future development direction is prospected, providing theoretical support and technical references for the construction and application of city information model and the construction of smart cities.

Key words: 3D full-space digital base, city information model, digital twin, air-ground integrated data acquisition, multi-source data fusion

CLC Number:

P208

YAO Shunfu, WANG Shoufen, GU Jianxiang. The supporting method of city information model construction based on city 3D full-space digital base[J]. Bulletin of Surveying and Mapping, 2025, 0(10): 144-151.

References

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