Author(s)

Ruirong Guo^1,2, Chaokui Li¹, Haibin Guo^1,2

¹National-Local Joint Engineering Laboratory of Geo-Spatial Information Technology, Xiangtan, China.
²School of Earth Science and Spatial Information Engineering, Hunan University of Science and Technology, Xiangtan, China.

In view of the poor information integrity of the 3D model used to make the indoor road network and the lack of versatility of the constructed indoor road network, a method for building an indoor navigation network model that can be seamlessly connected with outdoor paths is proposed in this paper. First, the IFC model is converted to the CityGML model using the BIM model as the indoor data source. Then, using GIS technology and limited Delaunay triangulation refinement algorithm, the necessary elements of indoor navigate on network model such as semantic information, geometric information and topological relationship contained in CityGML model are extracted. Finally, it is visualized and verified based on experimental model data. The results show that the indoor navigation network model constructed based on the CityGML model can accurately perform indoor navigation, make the constructed road network more general, and provide reference and technical support for the integrated construction of indoor and outdoor road network models.

IFC, CityGML, Indoor Navigation Network, Delaunay, Dijkstra, Integrated Navigation

Guo, R. , Li, C. and Guo, H. (2023) Indoor Navigation Network Model Construction Method Based on Building Information Model. Journal of Geographic Information System, 15, 367-378. doi: 10.4236/jgis.2023.154018.