WHD Posted February 25, 2010 Report Share Posted February 25, 2010 Hi All, Is there a technical reason that subsurface scattering will not work with bump mapping? Every time I try I get black stuff that looks like you took a torch to the model. I'm guessing that SSS requires true volume and bumps may just not play well but skin surfaces are difficult without bump. Anyone know if this is a limitation or a bug? Attached is a test of a neuron model with a SSS material and then with a B Fraktal shader bump only applied. Problem shows up with all shader bumps that I've tested. Bill Quote Link to comment Share on other sites More sharing options...
Igors Posted February 25, 2010 Report Share Posted February 25, 2010 Hi, Bill Can't reproduce it, please post a sample prj (use Bugs Tracking) Quote Link to comment Share on other sites More sharing options...
WHD Posted February 25, 2010 Author Report Share Posted February 25, 2010 Thanks Igors, Will do. Bill Quote Link to comment Share on other sites More sharing options...
Igors Posted February 26, 2010 Report Share Posted February 26, 2010 Hi, Bill, All We confirm: yes, it's a bug, the combimation: RT transmission + bump + "Use GI sampling engine" does not work properly. Need to render without "GI sampling" (slow) Quote Link to comment Share on other sites More sharing options...
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