||extended coordination view
||13. Mar 2007
||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)|
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: Assignment of an opening to an elemented wall