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Multiple-Scattering Microfacet BSDFs with the Smith Model

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  • Multiple-Scattering Microfacet BSDFs with the Smith Model

    Hi all.

    I wish for this some day. Multiple-Scattering Microfacet BSDFs with the Smith Model

    https://www.youtube.com/watch?v=JtBT...ature=youtu.be

    Thank you

    Steve

  • #2
    I support that suggestion!

    I always have to brighten materials like that in post.

    Comment


    • #3
      At some point we will look into this; however keep in mind that the method described in the video increases render times quite a bit.

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

      Comment


      • #4
        Cool, yeah...some time in the future would be good. I'm sure you will get this feature in one day. Thanks Vlado.

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        • #5
          Definitely wanting this too, had to do some fake stuff with LightMtl recently and it was quite a PITA ^^.
          Software:
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          3ds Max 2016 SP4
          V-Ray Adv 3.60.04


          Hardware:
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          NVIDIA GeForce GTX 780 (4096MB RAM)
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          • #6
            This would add much realism to so many materials! If we had the option we wouldn't mind the increased render times.
            www.hofer-krol.de
            Visualization | Animation | Compositing

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            • #7
              Actually I don't think the effect will be obvious on most scenes. It would a nice thing to have, but I'm not sure the slowdown would be worth the results.

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

              Comment


              • #8
                Pretty cool stuff. I didn't even know or noticed that scratched and rough surfaces get dimmer depending on how rough they are. Hm... this makes me do a few tests to check this for myself.

                If it's not too much work and resources to implement, I think it will be a beneficial option available to the user if they see a need for it. Sometimes render times are not as important as realism. Just my thoughts.
                Last edited by Alex_M; 16-03-2018, 11:22 AM.
                Max 2023.2.2 + Vray 6 Update 2 ( 6.20.02 )
                AMD Ryzen 7950X 16-core | 64GB DDR5 RAM 6400 Mbps | MSI GeForce RTX 3090 Suprim X 24GB (rendering) | GeForce GTX 1080 Ti FE 11GB (display) | GPU Driver 546.01 | NVMe SSD Samsung 980 Pro 1TB | Win 10 Pro x64 22H2

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                • #9
                  +1 for rendertimes. Unless we're talking 10x I'd rather have the realism. Working in stills only though.
                  Software:
                  Windows 7 Ultimate x64 SP1
                  3ds Max 2016 SP4
                  V-Ray Adv 3.60.04


                  Hardware:
                  Intel Core i7-4930K @ 3.40 GHz
                  NVIDIA GeForce GTX 780 (4096MB RAM)
                  64GB RAM


                  DxDiag

                  Comment


                  • #10
                    +1 still relevant. often avoid roughnes on refractive materials because of the darkening.
                    http://goodbyekansasstudios.com/

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