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Can't turn off use IRmap for sss2 for use with baked scene

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  • Can't turn off use IRmap for sss2 for use with baked scene

    Hi Vlado,

    I'm working on a job with character animation in interiors and the workflow of baked GI and then turning off "use irradiance map" for any of the animated characters is working very nicely. However one issue is that we're looking at the sss2 shader for the skin, and this breaks that workflow. If you calculate the GI live per frame there's no issues but if you use a cached IRmap then you start to get render errors in your SSS2 material. Would it be possible to add in an equivalent button so we could stop sss 2 from using the cached GI and go to brute force instead? Here's the render of cached GI vs rendering it single frame:

    http://i1213.photobucket.com/albums/...ed_vs_live.jpg

    I've also tried using single scatter set to simple, raytraced and none, but they all come back with the same result. Scatter GI is turned off too, I would have thought that would prevent it from looking at any of the cached lighting?

    Cheers,

    John

  • #2
    I notice that there's an option in vray 2.3 to load your sss2 map from a file now too - this might be a sneaky way to override things but it seems suited for a static object rather than an animated character that's going to be walking through different areas of lights - Would it be possible to do something like have a flythrough mode for the sss2 and have it baked out to a file?

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    • #3
      You can use this approach instead:
      http://www.spot3d.com/vray/help/200R...htm#vraysphere
      Technical Support
      Chaos Group

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      • #4
        is your scene illuminated purely by gi?
        Dmitry Vinnik
        Silhouette Images Inc.
        ShowReel:
        https://www.youtube.com/watch?v=qxSJlvSwAhA
        https://www.linkedin.com/in/dmitry-v...-identity-name

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        • #5
          In that scene there were a few light sources and GI. It's a shame as the use irradiance map thing, while being a fake, worked really well so something similar would be great.

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