IFC 4.3.1.0 (IFC4X3_ADD1)

8.16.3.3 IfcPreDefinedProperties

ABSTRACT This definition may not be instantiated

8.16.3.3.1 Semantic definition

The IfcPreDefinedProperties is an abstract supertype of all predefined property collections that have explicit attributes, each representing a property. Instantiable subtypes are assigned to specific characterised entities.

8.16.3.3.2 Entity inheritance

8.16.3.3.3 Attributes

# Attribute Type Description
IfcPropertyAbstraction (1)
HasExternalReferences SET [0:?] OF IfcExternalReferenceRelationship FOR RelatedResourceObjects

Reference to an external reference, e.g. library, classification, or document information, that is associated to the property definition.

Table 8.16.3.3.A

8.16.3.3.4 Formal representation

ENTITY IfcPreDefinedProperties
 ABSTRACT SUPERTYPE OF (ONEOF
	(IfcReinforcementBarProperties
	,IfcSectionProperties
	,IfcSectionReinforcementProperties))
 SUBTYPE OF (IfcPropertyAbstraction);
END_ENTITY;

8.16.3.3.5 References

8.16.3.3.6 Changelog

8.16.3.3.6.1 IFC4

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