5.4.2.20 IfcSpaceBoundarySelect
5.4.2.20.1 Semantic definition
The IfcSpaceBoundarySelect selects either an internal space for internal or external space boundaries, or an external spatial element for external space boundaries at the outer envelop of the building.
SELECT
5.4.2.20.2 Type values
5.4.2.20.3 Formal representation
TYPE IfcSpaceBoundarySelect = SELECT
(IfcExternalSpatialElement
,IfcSpace);
END_TYPE;