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.
New entity in IFC4.8.16.3.3.2 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. New inverse attribute. |
|
8.16.3.3.4 Formal representation
ENTITY IfcPreDefinedProperties
ABSTRACT SUPERTYPE OF (ONEOF
(IfcReinforcementBarProperties
,IfcSectionProperties
,IfcSectionReinforcementProperties))
SUBTYPE OF (IfcPropertyAbstraction);
END_ENTITY;