Below are described some mappings.
About AEC Building and Spatial Elements (IFC 2x3) About AEC Building and Spatial Elements (IFC 4) About Electrical at Export About AEC Geometric Entities (IFC 2x3) About AEC Geometric Entities (IFC 4) About AEC Bridge Elements (IFC 4) About Bridge Elements (IFC 4x2) About Alignment Entities (IfcAlignment 1.1) About Geographic Information Systems (GIS) About Piping, HVAC and Raceway Entities at Import About Piping, HVAC and Raceway at Export About Terrain Elements (IFC 4)