Preprint Article Version 1 This version is not peer-reviewed

Research and Application of 3D Modeling and Rendering on CIM Basic Platform in Cesium Engine

Version 1 : Received: 27 October 2024 / Approved: 28 October 2024 / Online: 29 October 2024 (02:46:32 CET)

How to cite: Li, H.; Chen, Z.; Li, Z. Research and Application of 3D Modeling and Rendering on CIM Basic Platform in Cesium Engine. Preprints 2024, 2024102170. https://doi.org/10.20944/preprints202410.2170.v1 Li, H.; Chen, Z.; Li, Z. Research and Application of 3D Modeling and Rendering on CIM Basic Platform in Cesium Engine. Preprints 2024, 2024102170. https://doi.org/10.20944/preprints202410.2170.v1

Abstract

With the development of the times, the objective requirement of CIM is to establish a 3D digital city. This article proposes a software front-end and back-end open source solution for the production and release of 3D modeling in different industries. This article is based on the construction practice of CIM basic platform database, and analyzes the spatial resolution and corresponding entity expression effect of 3D models in CIM basic platform from the perspective of CIM industry application, as well as the advantages and disadvantages of application. It also elaborates on the classification of 3D models and the geographic elements and buildings they contain, and introduces the relationship between 3D models and vector data, raster data, attribute data, as well as the difficulties of modeling technology. On this basis, large-scale 3D modeling and mapping experiments were conducted in the power industry, water industry, construction industry, and indoormap scene. The article has improved and optimized the algorithms for 3D excavation volume and wire azimuth, and introduced various parametric modeling techniques. From the perspective of project application and user feedback, the modeling quality, performance, and user experience have been recognized by the market. This article has certain reference value for the construction of the 3D model basic framework, theme oriented model system, modeling technology selection, and the release of massive 3D data services in the CIM basic platform construction.

Keywords

CIM; GIS; BIM; LOD; Parametric modeling; indoormap

Subject

Engineering, Industrial and Manufacturing Engineering

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