buildingSMART Forums

IfcBuilding and height?

https://standards.buildingsmart.org/IFC/DEV/IFC4_2/FINAL/HTML/schema/ifcproductextension/lexical/ifcbuilding.htm says this:

  • total height of building, also referred to as ridge height (top of roof structure, e.g the ridge against terrain): provided by BaseQuantity with Name=“TotalHeight”

The actual Qto_BuildingBaseQuantities only specifies Height, not TotalHeight.