Mental ray volume shaders without caustics

[InfernalDarkness]

The mental ray volume shader (parti_volume) is independent of GI or caustics.

The MR volume photon shader (parti_volume_photon) is the shader used for GI and caustics, generally used in conjunction with the regular parti_volume in your other Shading Group slots.

If you're having trouble with the parti_volume, maybe post a screenshot of your Shading Group attributes? Sometimes, just putting the shader in key slots makes a world of difference, and parti_volume can be a struggle to work with at first.

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