Hi! I am trying to learn how to get clean renders from Mantra. I just applied the default glass shader at 12x12 samples per pixel using the PBR Raytracing engine and two lights (area and spot). It almost looks great but I have just a few pixels that get blown out to superwhite and flicker. These pixels hop around from the ear to the snout, but in general are on the key side of the pighead:
https://vimeo.com/293060079/2d5e69c5bc [vimeo.com]
What should my intuition be here? I don't really know how to begin debugging. How do most lighters approach a problem render like this?
Thanks!
P.S. HIP attached…
Beginner Question on Mantra Glass Shader
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