5.4.2.14 IfcSpaceBoundarySelect

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.

HISTORY  New select type in IFC4.

SELECT

XSD Specification:

 <xs:group name="IfcSpaceBoundarySelect">
  <xs:choice>
   <xs:element ref="ifc:IfcExternalSpatialElement"/>
   <xs:element ref="ifc:IfcSpace"/>
  </xs:choice>
 </xs:group>

EXPRESS Specification:

TYPE IfcSpaceBoundarySelect = SELECT (
IfcSpace,
IfcExternalSpatialElement);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

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