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8.16.3.14 IfcSimpleProperty

RV ⓘ
AbV ⓘ

ABSTRACT This definition may not be instantiated

8.16.3.14.1 Semantic definition

IfcSimpleProperty is a generalization of a single property object. The various subtypes of IfcSimpleProperty establish different ways in which a property value can be set.

New entity in IFC1.0, definition changed in IFC2x.

8.16.3.14.2 Entity inheritance

8.16.3.14.3 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
IfcProperty (8)
1 Name IfcIdentifier

Name for this property. This label is the significant name string that defines the semantic meaning for the property.

2 Specification OPTIONAL IfcText

URI reference to a location with semantic definition or informative text to explain the property.

PartOfPset SET [0:?] OF IfcPropertySet FOR HasProperties

Reference to the IfcPropertySet by which the IfcProperty is referenced.

New inverse attribute to navigate from IfcProperty to IfcPropertySet with upward compatibility for file based exchange.
PropertyForDependance SET [0:?] OF IfcPropertyDependencyRelationship FOR DependingProperty

The property on whose value that of another property depends.

PropertyDependsOn SET [0:?] OF IfcPropertyDependencyRelationship FOR DependantProperty

The relating property on which the value of the property depends.

PartOfComplex SET [0:?] OF IfcComplexProperty FOR HasProperties

Reference to the IfcComplexProperty in which the IfcProperty is contained.

The cardinality has changed to 0..n to allow reuse of instances of IfcProperty in several IfcComplexProperty with upward compatibility for file based exchange.
HasConstraints SET [0:?] OF IfcResourceConstraintRelationship FOR RelatedResourceObjects

User-defined constraints for the property.

HasApprovals SET [0:?] OF IfcResourceApprovalRelationship FOR RelatedResourceObjects

User-defined approvals for the property.

Table 8.16.3.14.A

8.16.3.14.4 Formal representation

ENTITY IfcSimpleProperty
 ABSTRACT SUPERTYPE OF (ONEOF
	(IfcPropertyBoundedValue
	,IfcPropertyEnumeratedValue
	,IfcPropertyListValue
	,IfcPropertyReferenceValue
	,IfcPropertySingleValue
	,IfcPropertyTableValue))
 SUBTYPE OF (IfcProperty);
END_ENTITY;

8.16.3.14.5 References

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