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  • secondary ray bias

    ive got a model im trying to slice with distance tex. unfortunately the internals are full of double faces. its impossible for me to fix the model (its huge, and i have barely enough time to do the animating part, let alone fix somebody elses model)

    i had hoped that secondary ray bias would fix it, but even turning it up to 0.1 doesnt fix it, and at that level, introduces terrible rendering errors (black surfaces etc)

    any other tricks?

    why does secondary ray bias not resolve this issue reliably?

  • #2
    ive also noticed that faces with a 100% transparent material applied will also cause surface acne if they intersect with visible faces, despite being invisible.

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    • #3
      What kind of materials do you have on those faces? Switching Embree off might help in some situations (Embree is a lot more sensitivie to this sort of errors).

      Best regards,
      Vlado
      I only act like I know everything, Rogers.

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