IfcColourSpecification

Natural language names
Farbbeschreibung
Colour Specification
Spécification de couleur
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4 4.0.0.0
    IfcColourSpecificationMOVEDSchema changed from IFCPRESENTATIONRESOURCE to IFCPRESENTATIONAPPEARANCERESOURCE.
Semantic definitions at the entity
Entity definition

NOTE  Definition according to ISO/CD 10303-46:1992
The colour specification entity contains a direct colour definition. Colour component values refer directly to a specific colour space.

NOTE  Corresponding ISO 10303 name: colour_specification. It has been made into an abstract entity in IFC. Please refer to ISO/IS 10303-46:1994, p. 138 for the final definition of the formal standard.

HISTORY  New entity in IFC2x2.

Attribute definitions
#AttributeTypeCardinalityDescription G
1NameIfcLabel? 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.
X
Inherited definitions from supertypes
Entity inheritance IfcColourRgb IfcPresentationItem
Attribute inheritance
#AttributeTypeCardinalityDescriptionG
IfcPresentationItem
IfcColourSpecification
1NameIfcLabel? 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.
X
Formal representations
XML Specification
 <xs:element name="IfcColourSpecification" type="ifc:IfcColourSpecification" abstract="true" substitutionGroup="ifc:IfcPresentationItem" nillable="true"/>
 <xs:complexType name="IfcColourSpecification" abstract="true">
  <xs:complexContent>
   <xs:extension base="ifc:IfcPresentationItem">
    <xs:attribute name="Name" type="ifc:IfcLabel" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
EXPRESS Specification
ENTITY IfcColourSpecification
 ABSTRACT SUPERTYPE OF(IfcColourRgb)
 SUBTYPE OF (IfcPresentationItem);
  Name : OPTIONAL IfcLabel;
END_ENTITY;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcColour

Link to this page  Link to this page