IFC 4.3.1.0 (IFC4X3_ADD1)

8.16.3.2 IfcExtendedProperties

ABSTRACT This definition may not be instantiated

8.16.3.2.1 Semantic definition

The IfcExtendedProperties is an abstract supertype of all extensible property collections that are applicable to certain characterized entities. Instantiable subtypes of IfcExtendedProperties assign the property collection to a particular characterized entity.

Instantiable subtypes have a set of Properties, each providing property name, value and unit and other instance information, depending on the subtype of IfcProperty referenced.

8.16.3.2.2 Entity inheritance

8.16.3.2.3 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.

Click to show 1 hidden inherited attributes Click to hide 1 inherited attributes
IfcExtendedProperties (3)
1 Name OPTIONAL IfcIdentifier

The name given to the set of properties.

2 Description OPTIONAL IfcText

Description for the set of properties.

3 Properties SET [1:?] OF IfcProperty

The set of properties provided for this extended property collection.

Table 8.16.3.2.A

8.16.3.2.4 Formal representation

ENTITY IfcExtendedProperties
 ABSTRACT SUPERTYPE OF (ONEOF
	(IfcMaterialProperties
	,IfcProfileProperties))
 SUBTYPE OF (IfcPropertyAbstraction);
	Name : OPTIONAL IfcIdentifier;
	Description : OPTIONAL IfcText;
	Properties : SET [1:?] OF IfcProperty;
END_ENTITY;

8.16.3.2.5 References

8.16.3.2.6 Changelog

8.16.3.2.6.1 IFC4

  • New resource