IfcColour

BACnet MVD

#### IfcColour

Natural language names

| Farbe
| Colour
| Couleur

Change log

Item | SPF | XML | Change | Description
--- | --- | --- | --- | ---
IFC2x3 to IFC4
IfcColour |  |  | MOVED | Schema changed from IFCPRESENTATIONRESOURCE to IFCPRESENTATIONAPPEARANCERESOURCE.

##### Semantic definitions at the type

Type definition

The IfcColour is a select between different definitions of colour used for presentation styles.

> NOTE Definition according to ISO/CD 10303-46:1992
> The colour entity defines a basic appearance of elements which shall be visualized in a picture.

> NOTE Type adapted from colour defined in ISO10303-46.

> HISTORY New select type in IFC2x2.

Select definition

Type | Description
--- | ---
IfcColourSpecification |
IfcPreDefinedColour |

##### Formal representations

XML Specification
`<xs:group name="IfcColour">
<xs:choice>
<xs:element ref="ifc:IfcColourSpecification"/>
<xs:element ref="ifc:IfcPreDefinedColour"/>
</xs:choice>
</xs:group>
`
EXPRESS Specification
`TYPE IfcColour = SELECT (
IfcColourSpecification,
IfcPreDefinedColour);
END_TYPE;

EXPRESS-G diagram

`

References: IfcCurveStyle IfcTextStyleForDefinedFont IfcFillStyleSelect

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