CV-2x3-104

Number of doors and windows within one opening is restricted to max 1.

Based on          IFC2x2, IFC2x3

Initiator            ISG Meeting-Berlin

Effects              Extended Coordination View

Date                    2006 02 24

Description:

Each IfcOpeningElement shall only have zero or one filling. For door and window combinations (an opening with more then one window, door, or window and door), there are two possibilities:

    * export it as one filling with a brep geometry containing all windows/ doors (multiple IfcFacetedBrep's are allowed as shape representation of IfcDoor or IfcWindow)

    * export each window and door with a separate, but joining, opening element

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