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.
Extensible property collections are provided for materials and profiles.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.
New entity in IFC4.8.16.3.2.2 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. New inverse attribute. |
|
| 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. |
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;