IFC 4.3.1.0 (IFC4X3_ADD1)

8.11.3.1 IfcContextDependentUnit

8.11.3.1.1 Semantic definition

8.11.3.1.2 Entity inheritance

8.11.3.1.3 Attributes

# Attribute Type Description
IfcNamedUnit (2)
1 Dimensions IfcDimensionalExponents

The dimensional exponents of the SI base units by which the named unit is defined.

2 UnitType IfcUnitEnum

The type of the unit.

Click to show 2 hidden inherited attributes Click to hide 2 inherited attributes
IfcContextDependentUnit (2)
3 Name IfcLabel

The word, or group of words, by which the context dependent unit is referred to.

HasExternalReference SET [0:?] OF IfcExternalReferenceRelationship FOR RelatedResourceObjects

Reference to external information, e.g. library, classification, or document information, which is associated with the context dependent unit.

Table 8.11.3.1.A

8.11.3.1.4 Formal representation

ENTITY IfcContextDependentUnit
 SUBTYPE OF (IfcNamedUnit);
	Name : IfcLabel;
 INVERSE
	HasExternalReference : SET [0:?] OF IfcExternalReferenceRelationship FOR RelatedResourceObjects;
END_ENTITY;

8.11.3.1.5 References

8.11.3.1.6 Changelog

8.11.3.1.6.1 IFC4

  • inverse attribute, HasExternalReference