The BIM paradigm, supplied by appropriate standards like IFC, became unavoidable in recent construction projects … to face IFC models in which IfcSpace objects contain wrong geometric and topological description. In this paper, the … generate valid indoor spaces in IFC models. The approach relies on the structural components of the building (walls, slabs, etc …

standards e57 for terrestrial laser scanning (TLS) data, the industry foundation classes (IFC) for 3D semantic rich models, and … CityGML for integrating IFC and GIS in a VE. The web-based VE is accessed from the BimServer and envisaged for monitoring …