Mantra Atmosphere VEX Photon Tracer And VEX Pathtracer

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Hi!!

With this nodes is possible to do some fun volumetric stuff? Like Volumetric Caustics? How?

Why they aren't documented?

Thanks.
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Hi alejandro, these shaders (along with the pbr.h header they call) are the VEX implementation of PBR. They are called by default when you switch a Mantra ROP to PBR mode. While they can be used to render volumes - like anything else - they aren't really intended for doing atmospheric effects.
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Thank you for the explanation.
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