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This page provides information on the BRDFCarPaint material node.
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Overview
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The V-Ray Car Paint material simulates a metallic car paint. It is a complex material with four layers: a base diffuse layer, a base glossy layer, metallic flakes layer, and clear coat layer. The material allows the adjustment of each of these layers separately.
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Node
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The BRDFCarPaint node provides inputs for controlling various material properties. They correspond to parameters in the section below.
Base
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Double Sided – When enabled, the material is double-sided.
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Trace Base Reflection – Toggles reflections for the base layer
Coat
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Strength – The strength of the coat reflections when the surface is viewed directly from the front.
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Trace Coat Reflections – Toggles reflections for coat layer.
Flakes
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Mapping Type – Specifies the method for mapping the flakes. The possible values are:
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Trace Flakes Reflections – Toggles reflections for flake layer.
Options
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Trace Reflections for All Layers – When enabled, reflections will be traced for all layers of the Car Paint material.
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Example: The Flake Orientation Parameter
This set of images demonstrate the effect of the Orientation parameter. Note how lower values produce flakes more aligned with the surface normal, so that light is reflected more uniformly. Higher values produce more random flakes leading to more variation in the flake illumination.
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Example: The Flake Density Parameter
This set of images shows the effect of the Density parameter. Note how larger values produce more flakes, but do not change the flake size.
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Example: The Flake Scale Parameter
This set of images demonstrate the effect of the Scale parameter. Note how lower values scale the entire flake structure.
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Example: The Flake Size Parameter
This set of images shows the effect of the Size parameter. Note how larger values make the individual flakes larger, but do not change their count.
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Example: The Filtering Mode Parameter
This example shows the effect of the Filtering Mode parameter.
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Example: Anti-aliasing Filters
Here is an example briefly demonstrating the effect of different anti-aliasing filters on the final result.
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Notes
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