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The SEDRIS Data Representation Model
APPENDIX A - Classes Colour Shininess |
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An instance of this DRM class specifies the specular coefficient that determines how shiny a colour is to appear, based on the angle between lines from the observer to the coloured environmental object and from the coloured environmental object to the light source.
Consider a <Colour Table> instance with a <Presentation Domain> component having presentation_domain = { OTW }, the entries of which are intended for use in representing metallic surfaces in the OTW visual domain. Each <Primitive Colour> instance in the table is defined by a <Specular Colour> component and an <Ambient Colour> component.
Depending on the angles between the observer, the metallic surface, and the light source, the shininess of each <Specular Colour> instance will vary. Hence, each <Specular Colour> instance in the table has a <Colour Shininess> component, if the corresponding metal is sufficiently reflective.
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The shininess field specifies the specular coefficient.
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