IfcDefinitionSelect

Natural language names
Definition Select
Sélection de définition
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4 4.0.0.0
    IfcDefinitionSelectADDED
Semantic definitions at the type
Type definition

IfcDefinitionSelect provides the option to either select an object or type object IfcObjectDefinition, or a property set template or property set, IfcPropertyDefinition.

HISTORY  New select type in IFC4.

Select definition
TypeDescription
IfcObjectDefinition
IfcPropertyDefinition
Formal representations
XML Specification
 <xs:group name="IfcDefinitionSelect">
  <xs:choice>
   <xs:element ref="ifc:IfcObjectDefinition"/>
   <xs:element ref="ifc:IfcPropertyDefinition"/>
  </xs:choice>
 </xs:group>
EXPRESS Specification
TYPE IfcDefinitionSelect = SELECT (
 IfcObjectDefinition,
 IfcPropertyDefinition);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcRelAssociates IfcRelDeclares

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