Natural language names
Einfaches Merkmal
Simple Property
Propriété simple
Semantic definitions at the entity
Entity 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.

HISTORY  New entity in IFC1.0, definition changed in IFC2x.
Inherited definitions from supertypes
Entity inheritance IfcPropertyBoundedValue IfcPropertyEnumeratedValue IfcPropertyListValue IfcPropertySingleValue IfcPropertyTableValue IfcProperty IfcPropertyAbstraction
Attribute inheritance
1NameIfcIdentifier Name for this property. This label is the significant name string that defines the semantic meaning for the property.X
2DescriptionIfcText? Informative text to explain the property.X
S[0:?]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.
S[0:?]Reference to the IfcComplexProperty in which the IfcProperty is contained.
IFC4 CHANGE  The cardinality has changed to 0..n to allow reuse of instances of IfcProperty in several IfcComplexProperty with upward compatibility for file based exchange.
Formal representations
XML Specification
 <xs:element name="IfcSimpleProperty" type="ifc:IfcSimpleProperty" abstract="true" substitutionGroup="ifc:IfcProperty" nillable="true"/>
 <xs:complexType name="IfcSimpleProperty" abstract="true">
   <xs:extension base="ifc:IfcProperty"/>
EXPRESS Specification
ENTITY IfcSimpleProperty
 ABSTRACT SUPERTYPE OF(ONEOF(IfcPropertyBoundedValue, IfcPropertyEnumeratedValue, IfcPropertyListValue, IfcPropertySingleValue, IfcPropertyTableValue))
 SUBTYPE OF (IfcProperty);

Link to EXPRESS-G diagram EXPRESS-G diagram

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