8.12.3.2 IfcColourRgb
RV ⓘ
AbV ⓘ
{ .extDef}
NOTE Definition according to ISO/CD 10303-46:1992
A colour rgb as a subtype of colour specifications is defined by three colour component values for red, green, and blue in the RGB colour model.NOTE In contrary to the usual value range of colour components being integer from 0...255, the definition from ISO10303-46 defines the colour components as real from 0.0 ... 1.0. Applications need to execute this conversion before populating the colour RGB values.NOTE Corresponding STEP name: colour_rgb. The name attribute has been omitted, the data type for the red, green and blue parts is IfcNormalisedRatioMeasure HISTORY New entity in IFC2x2.
#
Attribute
Type
Description
IfcColourSpecification
(1)
1
Name
OPTIONAL IfcLabel
Optional name given to a particular colour specification in addition to the colour components (like the RGB values).
EXAMPLE Names of a industry colour classification, such as RAL.IFC2x3-CHANGE Attribute added.
IfcColourRgb
(3)
2
Red
IfcNormalisedRatioMeasure
The intensity of the red colour component.
NOTE The colour component value is given within the range of 0..1, and not within the range of 0..255 as otherwise usual.
3
Green
IfcNormalisedRatioMeasure
The intensity of the green colour component.
NOTE The colour component value is given within the range of 0..1, and not within the range of 0..255 as otherwise usual.
4
Blue
IfcNormalisedRatioMeasure
The intensity of the blue colour component.
NOTE The colour component value is given within the range of 0..1, and not within the range of 0..255 as otherwise usual.
Table A ENTITY IfcColourRgb SUBTYPE OF ( IfcColourSpecification ) ;
Red : IfcNormalisedRatioMeasure ;
Green : IfcNormalisedRatioMeasure ;
Blue : IfcNormalisedRatioMeasure ;
END_ENTITY ;
4 contributor(s):
Last change: Improve definition split (#876)
* bring back headers
headers were previously removed by mistake, now bringing them back
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add the word 'short' in it
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make exactly one newline before and two after the tag
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Because bringing back headers required to go back in time to previous version, I'm now re-resolving the issues: #861, #860, #856 by ArturTomczak on 2024-07-16T16:07:28+02:00
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