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Found 2 results

  1. Mantra Coat IOR

    Hi! I've been trying to replicate something similar to Arnold's coat IOR parameter in Mantra. Ideally I'd like to be able to control how much of a coat layer is visible depending on facing angles without affecting the underlying surface, even if this involves breaking the law of conservation of energy. Any ideas on where I could start? Thanks, Nathan
  2. Hi guys, I'm trying to write a light path expression that excludes the default custom bsdf label "coat" To have only the coat layer is: lpe:C<...'coat'>.* To have all reflections but the coat I would expect it to be: lpe:C<RG[^...'coat']>.* This gives a syntax error and doesn't seem to work. Has anyone tried this before and knows the correct syntax or is this a bug? Cheers, Luca
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