Documentation
The Iray+ Metal material contains measured information about metals from which various metal types can be created using combinations of surfaces and coatings; because they use measured data, these are extremely accurate. If you want more control over the appearance (and therefore less accuracy) of a metal material use Iray+ Material and choose one of the metal base presets.
Examples of materials created using Iray+ Metal can be found in the Iray+ Metals library.
Iray+ Metal is found in the material editor under Materials > Iray+. The following sections describe the parameters and functionality available in this material.
This component contains the following measured examples of metal:
Simulates the level of polish. Higher values result in blurrier reflections.
Range: 0.0 - 1.0 or Map
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Simulates the effect of reflections on brushed or machined surfaces where you have parallel scratches or grooves. Reflections tend to get stretched out in a direction orthogonal to the scratch direction. Higher values increase stretching. Anisotropy works in conjunction with the roughness parameter.
Range: 0.0 - 1.0 or Map
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Controls the direction the reflection is stretched relative to the texture coordinate axis at that point. You can apply textures to this to get circular brushed effects. The range is 0.0 to 1.0, where 1.0 means 360 degrees, 0.25 means 90 degrees, etc. To work this out, just multiply the value by 360. You can apply textures to this to get circular brushed effects.
Range: 0.0 - 1.0 or Map
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