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Material Passes

MaterialThe representation of the surface or volume properties of an object. Passes include all characteristics associated with scene materials. They include the following:

• Opacity
• Roughness
• Index of Refraction
• DiffuseAmount of diffusion, or the reflection of light photons at different angles from an uneven or granular surface. Used for dull, non-reflecting materials or mesh emitters. Filter
• Reflection Filter
• Refraction Filter
• TransmissionA surface characteristic that determines if light may pass through a surface volume. Filter

In Figure 1, the Roughness material pass has been activated and its result are displayed in the Render viewport.

Figure 1: The Roughness material pass is visible in the render view

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