IFC 4.3.x development

8.12.3.22 IfcPreDefinedColour

8.12.3.22.1 Semantic definitions at the entity

The pre defined colour determines those qualified names which can be used to identify a colour that is in scope of the current data exchange specification (in contrary to colour specification which defines the colour directly by its colour components).

NOTE  Corresponding ISO 10303 name: pre_defined_colour. It has been made into an abstract entity in IFC. Please refer to ISO/IS 10303-46:1994, p. 141 for the final definition of the formal standard.

HISTORY  New entity in IFC2x2.

#Attribute Type Description
IfcPresentationItem
IfcPreDefinedItem
1Name IfcLabelThe string by which the pre defined item is identified. Allowable values for the string are declared at the level of subtypes.

8.12.3.22.1 Entity inheritance

dot_inheritance IfcDraughtingPreDefinedColour IfcDraughtingPreDefinedColour IfcPreDefinedColour IfcPreDefinedColour IfcDraughtingPreDefinedColour->IfcPreDefinedColour IfcPreDefinedItem IfcPreDefinedItem IfcPreDefinedColour->IfcPreDefinedItem IfcPreDefinedCurveFont IfcPreDefinedCurveFont IfcPreDefinedCurveFont->IfcPreDefinedItem IfcPresentationItem IfcPresentationItem IfcPreDefinedItem->IfcPresentationItem IfcPreDefinedTextFont IfcPreDefinedTextFont IfcPreDefinedTextFont->IfcPreDefinedItem IfcPresentationItem_children 16 more... IfcPresentationItem_children->IfcPresentationItem

8.12.3.22.2 Formal representations

ENTITY IfcPreDefinedColour
 ABSTRACT SUPERTYPE OF (ONEOF
	(IfcDraughtingPreDefinedColour))
 SUBTYPE OF (IfcPreDefinedItem);
END_ENTITY;