7.7.2.11 IfcStructuralActivityAssignmentSelect

This type definition shall be used to distinguish between a reference to an instance either of IfcStructuralItem or IfcElement. The IfcStructuralActivityAssignmentSelect type is referenced by the entity IfcRelConnectsStructuralActivity which defines the connection between activities (IfcStructuralActivity) and the loaded element.

HISTORY  New type in IFC2x2.

XSD Specification:

 <xs:group name="IfcStructuralActivityAssignmentSelect">
  <xs:choice>
   <xs:element ref="ifc:IfcElement"/>
   <xs:element ref="ifc:IfcStructuralItem"/>
  </xs:choice>
 </xs:group>

EXPRESS Specification:

TYPE IfcStructuralActivityAssignmentSelect = SELECT (
IfcStructuralItem,
IfcElement);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

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