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Pyro shader not outputing direct/indirect samples ray tracing (Houdini 14)

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I'm starting to learn dynamics, and I want to output the direct and indirect ray samples from a volume using the pyro shader. I've set the mantra node to output the extra image planes, but when I use ray tracing neither image plane has any info. I can get information when I set the render type to PBR or instead use the billowy smoke shader, but I'm curious as to why it wouldn't work with ray tracing.

Any help is appreciated. Thanks!

Comp Specs:

  • Intel Xeon E5 2650 (2x)
  • 32 GB ram
  • Nvidia GeForce GTX 650 Ti
  • Windows 10 Pro
  • Houdini 14.0.702


Edited by styakow
add thanks, formatting

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