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General parameters

 

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Fog color – Defines the color of the fog when it is illuminate by light sources. You can also use a texture map to drive the fog color. For more information, see The Fog Color example below. 

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Scatter GI – When on, the fog will also scatter global illumination. Note that this can be quite slow. In many cases, global illumination within the fog can be substituted with a simple emission term. When this option is on, the currently selected global illumination algorithm in the V-Ray settings will be used to accelerate GI inside the volume (e.g. the irradiance maplight cachephoton map, or brute-force ). 

Scatter bounces – When Scatter GI is enabled, this controls the number of GI bounces that will be calculated inside the fog. For more information, see The Scatter GI and Scatter Bounces example below.

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