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#CV-2x3-134

for a complex wall the opening has to be associated with the aggregate (the IfcWall) and not with the parts (the IfcBuildingElementPart's).
number
CV-06-134
based on
IFC2x3
effects
extended coordination view
date
13. Mar 2007
initiator
ISG meeting in Waltham
summary for a complex wall the opening has to be associated with the aggregate (the IfcWall) and not with the parts (the IfcBuildingElementPart's)

 

Description

Complex walls are now part of the coordination view. The are defined by an IfcWall with IfcWall.IsDecomposedBy pointing to IfcRelAggregates.RelatedObjects being a set of IfcBuildingElementPart's.

If such a complex wall has openings, the openings shall be associated with the IfcWall using IfcWall.HasOpenings, and not to the individual IfcBuildingElementPart's.

#CV-2x3-134-1

Figure: Assignment of an opening to an elemented wall