ISO 10303-214:2010(E)
A Visual_appearance is the appearance of a surface of a part regarding the optical impression.
At least one of the attributes 'id' or 'name' shall be instantiated.
A Visual_appearance is a type of Surface_condition.
The data associated with a Visual_appearance are the following:
The colour_id specifies the identifier of the colour of the Visual_appearance.
EXAMPLE A colour can be identified using a code such as 'C130202250'.
The colour_name specifies the word or group of words by which the colour of the Visual_appearance is referred to.
EXAMPLE A colour may be referred to, e.g., by a customer, by name such as 'arctic white'.
See visual_appearance to multi_language_string for the application assertion.
The colour_name need not be specified for a particular Visual_appearance.
If present, there shall be exactly one object that defines the colour_name for a Visual_appearance.
The id specifies the identifier of the Visual_appearance.
The id need not be specified for a particular Visual_appearance.
The lustre specifies the kind of shining or the kind of reflection of the surface.
The name specifies the word or group of words by which the Visual_appearance is referred to.
See visual_appearance to multi_language_string for the application assertion.
The name need not be specified for a particular Visual_appearance.
If present, there shall be exactly one object that defines the name for a Visual_appearance.
The pattern specifies the pattern used for the definition of the Visual_appearance.
EXAMPLE A pattern may be used to specify the texture of a seat cover for visual appearance purposes.
The pattern need not be specified for a particular Visual_appearance.
The transparency specifies the grade of transparency of the surface.
The transparency need not be specified for a particular Visual_appearance.
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