8.6.3.1 IfcProperty

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IfcProperty is an abstract generalization for all types of properties that can be associated with IFC objects through the property set mechanism.

HISTORY  New entity in IFC1.0.

XSD Specification:

 <xs:element name="IfcProperty" type="ifc:IfcProperty" abstract="true" substitutionGroup="ifc:IfcPropertyAbstraction" nillable="true"/>
 <xs:complexType name="IfcProperty" abstract="true">
  <xs:complexContent>
   <xs:extension base="ifc:IfcPropertyAbstraction">
    <xs:attribute name="Name" type="ifc:IfcIdentifier" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>

EXPRESS Specification:

ENTITY IfcProperty
ABSTRACT SUPERTYPE OF(IfcSimpleProperty)
SUBTYPE OF (IfcPropertyAbstraction);
Name : IfcIdentifier;
Description : OPTIONAL IfcStrippedOptional;
INVERSE
PartOfPset : SET OF IfcPropertySet FOR HasProperties;
END_ENTITY;

Attribute Definitions:

Name : Name for this property. This label is the significant name string that defines the semantic meaning for the property.
Description : Informative text to explain the property.
PartOfPset : Reference to the IfcPropertySet by which the IfcProperty is referenced.
IFC4 CHANGE  New inverse attribute to navigate from IfcProperty to IfcPropertySet with upward compatibility for file based exchange.

Inheritance Graph:

ENTITY IfcProperty
ENTITY IfcPropertyAbstraction
INVERSE
ENTITY IfcProperty
Name : IfcIdentifier;
Description : OPTIONAL IfcStrippedOptional;
INVERSE
PartOfPset : SET OF IfcPropertySet FOR HasProperties;
END_ENTITY;

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