Natural language names
 | Specular Highlight Select |
 | Sélection de réflexion spéculaire |
| Specular Highlight Select |
| Sélection de réflexion spéculaire |
The IfcSpecularHighlightSelect defines the selectable types of value for specular highlight sharpness.
NOTE The two select types relate to the different ways to specifiy the sharpness (or shininess) of the specular part of the reflectance equation. For each surface side style only one of the two methods is needed for calculating the specular part of the equation.
HISTORY New select type in IFC2x2.
| Constant | Description |
|---|---|
| IfcSpecularExponent | |
| IfcSpecularRoughness |
<xs:group name="IfcSpecularHighlightSelect">
<xs:choice>
<xs:element ref="ifc:IfcSpecularExponent-wrapper"/>
<xs:element ref="ifc:IfcSpecularRoughness-wrapper"/>
</xs:choice>
</xs:group>
TYPE IfcSpecularHighlightSelect = SELECT (
IfcSpecularExponent,
IfcSpecularRoughness);
END_TYPE;
EXPRESS-G diagram
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