8.12.2.1 IfcColour
8.12.2.1.1 Semantic definition
The IfcColour is a select between different definitions of colour used for presentation styles.
8.12.2.1.2 Type values
8.12.2.1.3 Formal representation
TYPE IfcColour = SELECT (IfcColourSpecification ,IfcPreDefinedColour); END_TYPE;