Spatial information service of railway line 3D scene based on Cesium technology

doi:10.13474/j.cnki.11-2246.2022.0342

Abstract

Abstract: With the continuous advancement of China's railway information construction,the application of 3D GIS and network GIS in the railway field is gradually deepening. Aiming at the 3D scene spatial information service of railway lines,this paper proposes a 3D scene construction and network application method for railway lines based on the 3D open source engine Cesium.The Cesium architecture and network services,the construction of the 3D geographic environment of the line,and the construction of the 3D model of the engineering components of the line and public works infrastructure have been studied. In order to integrate the spatial geographic environment information of the railway line with the railway infrastructure model in the Cesium 3D engine,the lightweight research of the BIM model under the forward design of the railway infrastructure is carried out. It has realized Cesium-based networked,cross-platform,and distributed three-dimensional spatial information and 3D scene roaming of railway lines,data sharing and functional services.

Key words: Cesium, 3D GIS, BIM lightweight, construction management, railway engineering

CLC Number:

P208

GUO Ze, TAN Qulin, QIN Xiaochun, HE Jia, HU Jiping. Spatial information service of railway line 3D scene based on Cesium technology[J]. Bulletin of Surveying and Mapping, 2022, 0(11): 144-148.

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