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The Coat tab is part of the V-Ray Material parameters.

Coat

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Column width 57% Coat Color – Determines the coat layer's color. A texture can be attached to this slot. Texture – Specifies a texture file to be used for the coat layer. Mix Strength – Specifies a blend amount between the texture map and the coat color. Coat Amount – Specifies the blending weight weight of the coat layer. A value of 0 does not add a coat layer, while higher values blend the coat gradually. See the Coat Amount example for more information. A texture can be attached to this slot. Coat Darkening – The coat is darkened due to multiple reflections within it. This mimics the effect of coats such as varnish, which have this effect on their bases. The darkening effect increases as the Coat IOR increases, and there is no darkening if the base is white.  Coat Glossiness – Controls the sharpness of reflection. A value of 1.0 means perfect glass-like reflection; lower values produce blurry or glossy reflections. See the Coat Glossiness example for more information. If the Use Roughness option is enabled, this parameter works as Coat Roughness. A texture can be attached to this slot. Coat IOR – Specifies the Index of Refraction for the coat layer. A texture can be attached to this slot. Coat Anisotropy(-1...1) – Determines the shape of the highlight for the coat layer. A value of 0.0 means isotropic highlights. Negative and positive values simulate "brushed" surfaces. A texture can be attached and mixed with this value. Coat Anisotropy Rotation – Determines the orientation of the anisotropic effect in a float value between 0.0 and 1.0 (where 0.0 is 0 degrees and 1.0 is 360 degrees). A texture can be attached and mixed with this value.   Column width 5% Column width 38% Image RemovedImage Added

 

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amount amount

 

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Column width 10% Column width 30% Example: Coat Amount   This example shows how the Amount value affects the look of the material. The base Reflection Glossiness is 0.76 and the Coat Glossiness is set to 0.985. IOR is 2.2 and the Coat Color is the default white.    Column width 20% Column width 30% Example: Coat Glossiness Coat Glossiness controls the sharpness of the coat reflection. In this example, the base Reflection Glossiness is set to 0.76 and the Coat Amount is set to 1. IOR is 2.2 and the Coat Color is the default white. Notice how higher values produce glossier reflection and lower values make it look blurry.   Column width 10%

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Column width 50% Image slider Panel borderStyle none Coat amount = 0 Panel borderStyle none Coat amount = 0.1 Panel borderStyle none Coat amount = 0.3 Panel borderStyle none Coat amount = 0.5 Panel borderStyle none Coat amount = 0.7 Panel borderStyle none Coat amount = 1.0 Column width 50% Image slider Panel borderStyle none Coat Clossiness = 0.2 Panel borderStyle none Coat Glossiness = 0.4 Panel borderStyle none Coat Glossiness = 0.6 Panel borderStyle none Coat Glossiness = 0.8 Panel borderStyle none Coat Glossiness = 1.0

Bump

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Column width 57% Coat Bump Lock – When enabled, it prioritizes the base bump map during rendering over the coat bump map. You can use it to temporarily hide the coat bump. Coat Bump Map – Specifies the bump/normal map used as a coat bump. Coat Bump Amount – A multiplier for the bump effect. A texture can be attached to this slot. Coat Bump Type – Allows the user to specify whether a bump map or a normal map effect is added. Bump Map Normal map in tangent space Normal map in object space Normal map in screen space Normal map in world space From texture bump output Explicit   Column width 5% Column width 38%

 

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Column width 30% UI Text Box size medium Previous: V-Ray Material Reflection    Column width 40% Column width 30% UI Text Box size medium Next: V-Ray Material Refraction

 

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