IfcProperty

IfcProperty

实体定义

IfcProperty是可以通过属性集机制与IFC对象关联的所有类型属性的抽象概括。

 

IFC1.0中的新实体。

 

 

 

Attribute inheritance

#	Attribute	Type	Cardinality	Description	C
IfcPropertyAbstraction
	HasExternalReferences	IfcExternalReferenceRelationship @RelatedResourceObjects	S[0:?]	Reference to an external reference, e.g. library, classification, or document information, that is associated to the property definition.	X
IfcProperty
1	Name	IfcIdentifier	[1:1]	Name for this property. This label is the significant name string that defines the semantic meaning for the property.	X
2	Description	IfcText	[0:1]	Informative text to explain the property.	X
	PartOfPset	IfcPropertySet @HasProperties	S[0:?]	Reference to the IfcPropertySet by which the IfcProperty is referenced.	X
	PropertyForDependance	IfcPropertyDependencyRelationship @DependingProperty	S[0:?]	The property on whose value that of another property depends.	X
	PropertyDependsOn	IfcPropertyDependencyRelationship @DependantProperty	S[0:?]	The relating property on which the value of the property depends.	X
	PartOfComplex	IfcComplexProperty @HasProperties	S[0:?]	Reference to the IfcComplexProperty in which the IfcProperty is contained.	X
	HasConstraints	IfcResourceConstraintRelationship @RelatedResourceObjects	S[0:?]	User-defined constraints for the property.	X
	HasApprovals	IfcResourceApprovalRelationship @RelatedResourceObjects	S[0:?]	User-defined approvals for the property.	X

 

EXPRESS Specification

ENTITY IfcProperty
 ABSTRACT SUPERTYPE OF(ONEOF(IfcComplexProperty, IfcSimpleProperty))
 SUBTYPE OF (IfcPropertyAbstraction);
  Name : IfcIdentifier;
  Description : OPTIONAL IfcText;
 INVERSE
  PartOfPset : SET OF IfcPropertySet FOR HasProperties;
  PropertyForDependance : SET OF IfcPropertyDependencyRelationship FOR DependingProperty;
  PropertyDependsOn : SET OF IfcPropertyDependencyRelationship FOR DependantProperty;
  PartOfComplex : SET OF IfcComplexProperty FOR HasProperties;
  HasConstraints : SET OF IfcResourceConstraintRelationship FOR RelatedResourceObjects;
  HasApprovals : SET OF IfcResourceApprovalRelationship FOR RelatedResourceObjects;
END_ENTITY;

 

 

#############