Kontextabhängige Einheit | |
Context Dependent Unit | |
Unité dépendant du contexte |
NOTE Definition according to ISO/CD 10303-41:1992
A context dependent unit is a unit which is not related to the SI system.
NOTE The number of parts in an assembly is a physical quantity measured in units that may be called "parts" but which cannot be related to an SI unit.
NOTE Corresponding ISO 10303 name: context_dependent_unit, please refer to ISO/IS 10303-41 for the final definition of the formal standard.
HISTORY New entity in IFC1.5.1.
# | Attribute | Type | Cardinality | Description | C |
---|---|---|---|---|---|
3 | Name | IfcLabel | [1:1] | The word, or group of words, by which the context dependent unit is referred to. | X |
HasExternalReference | IfcExternalReferenceRelationship @RelatedResourceObjects | S[0:?] | Reference to external information, e.g. library, classification, or document information, which is associated with the context dependent unit. | X |
# | Attribute | Type | Cardinality | Description | C |
---|---|---|---|---|---|
IfcNamedUnit | |||||
1 | Dimensions | IfcDimensionalExponents | [1:1] | The dimensional exponents of the SI base units by which the named unit is defined. | X |
2 | UnitType | IfcUnitEnum | [1:1] | The type of the unit. | X |
IfcContextDependentUnit | |||||
3 | Name | IfcLabel | [1:1] | The word, or group of words, by which the context dependent unit is referred to. | X |
HasExternalReference | IfcExternalReferenceRelationship @RelatedResourceObjects | S[0:?] | Reference to external information, e.g. library, classification, or document information, which is associated with the context dependent unit. | X |
<xs:element name="IfcContextDependentUnit" type="ifc:IfcContextDependentUnit" substitutionGroup="ifc:IfcNamedUnit" nillable="true"/>
<xs:complexType name="IfcContextDependentUnit">
<xs:complexContent>
<xs:extension base="ifc:IfcNamedUnit">
<xs:attribute name="Name" type="ifc:IfcLabel" use="optional"/>
</xs:extension>
</xs:complexContent>
</xs:complexType>
ENTITY IfcContextDependentUnit
SUBTYPE OF (IfcNamedUnit);
Name : IfcLabel;
INVERSE
HasExternalReference : SET OF IfcExternalReferenceRelationship FOR RelatedResourceObjects;
END_ENTITY;