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VrayFastSSS2 dark hotspot with mesh lights

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  • VrayFastSSS2 dark hotspot with mesh lights

    I'm making a bar with lights in it which looks like this:



    I figured I will use VrayFastSSS2 material for this and mesh light. The problem is that the hotspot comes out dark when it should be bright. This doesn't happen with sphere, plane and disc lights. Is this expected behavior or bug?

    Click image for larger version

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    Aleksandar Mitov
    www.renarvisuals.com
    office@renarvisuals.com

    3ds Max 2023.2.2 + Vray 7
    AMD Ryzen 9 9950X 16-core
    64GB DDR5
    GeForce RTX 3090 24GB + GPU Driver 565.90

  • #2
    What if you subdivide your mesh light geometry to have more even quad division ?
    Dmitry Vinnik
    Silhouette Images Inc.
    ShowReel:
    https://www.youtube.com/watch?v=qxSJlvSwAhA
    https://www.linkedin.com/in/dmitry-v...-identity-name

    Comment


    • #3
      No, still the same result. For now I'm using sphere lights. They seem to work just fine for the bar. The question why the hotspot is dark with mesh lights still stands though.
      Last edited by Alex_M; 14-09-2016, 12:22 PM.
      Aleksandar Mitov
      www.renarvisuals.com
      office@renarvisuals.com

      3ds Max 2023.2.2 + Vray 7
      AMD Ryzen 9 9950X 16-core
      64GB DDR5
      GeForce RTX 3090 24GB + GPU Driver 565.90

      Comment


      • #4
        I'm not sure about this - I will need to see a scene to figure out what's going on.

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

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        • #5
          Originally posted by Alex_M View Post
          No, still the same result. For now I'm using sphere lights. They seem to work just fine for the bar. The question why the hotspot is dark with mesh lights still stands though.
          You would have to post piece of this scene here for devs to check it out.
          Dmitry Vinnik
          Silhouette Images Inc.
          ShowReel:
          https://www.youtube.com/watch?v=qxSJlvSwAhA
          https://www.linkedin.com/in/dmitry-v...-identity-name

          Comment


          • #6
            Sure, please see attached.
            Attached Files
            Aleksandar Mitov
            www.renarvisuals.com
            office@renarvisuals.com

            3ds Max 2023.2.2 + Vray 7
            AMD Ryzen 9 9950X 16-core
            64GB DDR5
            GeForce RTX 3090 24GB + GPU Driver 565.90

            Comment


            • #7
              Thank you for attaching the scene. This is probably a bug, I added in our bug-tracking system. As soon as we fix it I will let you know.
              Zdravko Keremidchiev | chaos.com
              Chaos Support Representative | contact us

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