CV-2x3-134 (aka CV-06-1340

IA Title

Based on          IFC2x3

Initiator            ISG Meeting-Waltham

Effects              Extended Coordination View

Date                    2007 03 13


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.



Figure 1: Assignment of an opening to an elemented wall

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