IFC (IFC4X3_ADD2) under development IfcContextDependentUnit Semantic definition Entity inheritance 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 Formal representation

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

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Is this page difficult to understand? Let us know! Changelog IFC4

  • inverse attribute, HasExternalReference