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Missing reflection from glass doors

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  • Missing reflection from glass doors

    There are two glass doors. The one on the left has a good reflection. The one on the right is using the same material, but has no reflection!?

    I've tried flipping the glass object over, and most recently, cloned the one on left and moved it to the right. Still nothing. They are totally parallel with each other. This seems really strange!?

    Click image for larger version

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    David Anderson
    www.DavidAnderson.tv

    Software:
    Windows 10 Pro
    3ds Max 2024.2.1 Update
    V-Ray GPU 6 Update 2.1


    Hardware:
    Puget Systems
    TRX40 EATX
    AMD Ryzen Threadripper 3970X 32-Core 3.69GHz
    2X NVIDIA GeForce RTX 3090
    128GB RAM

  • #2
    it's going to be a normals problem i can almost guarantee it. If you're cloning it it might be getting flipped, and if you're trying to flip the normals in edit mesh mode then they will likely be ignored. best to just create a fresh box and be done with it.
    Alex York
    Founder of Atelier York - Bespoke Architectural Visualisation
    www.atelieryork.co.uk

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    • #3
      I just realized that the glass material has a falloff parameter (set at 100) on the reflection map, and is set to "fresnel". Could this be an issue?
      David Anderson
      www.DavidAnderson.tv

      Software:
      Windows 10 Pro
      3ds Max 2024.2.1 Update
      V-Ray GPU 6 Update 2.1


      Hardware:
      Puget Systems
      TRX40 EATX
      AMD Ryzen Threadripper 3970X 32-Core 3.69GHz
      2X NVIDIA GeForce RTX 3090
      128GB RAM

      Comment


      • #4
        Originally posted by alexyork View Post
        it's going to be a normals problem i can almost guarantee it. If you're cloning it it might be getting flipped, and if you're trying to flip the normals in edit mesh mode then they will likely be ignored. best to just create a fresh box and be done with it.
        Good advice. I'll give that a shot and let you know. Thanks!
        David Anderson
        www.DavidAnderson.tv

        Software:
        Windows 10 Pro
        3ds Max 2024.2.1 Update
        V-Ray GPU 6 Update 2.1


        Hardware:
        Puget Systems
        TRX40 EATX
        AMD Ryzen Threadripper 3970X 32-Core 3.69GHz
        2X NVIDIA GeForce RTX 3090
        128GB RAM

        Comment


        • #5
          Turns out that it's a falloff shader issue in the Relections map. I had it set to fresnel. I changed it to parallel/perpendicular and that seems to have fixed it.

          Thanks.
          David Anderson
          www.DavidAnderson.tv

          Software:
          Windows 10 Pro
          3ds Max 2024.2.1 Update
          V-Ray GPU 6 Update 2.1


          Hardware:
          Puget Systems
          TRX40 EATX
          AMD Ryzen Threadripper 3970X 32-Core 3.69GHz
          2X NVIDIA GeForce RTX 3090
          128GB RAM

          Comment


          • #6
            Originally posted by Streetwise View Post
            Turns out that it's a falloff shader issue in the Relections map. I had it set to fresnel. I changed it to parallel/perpendicular and that seems to have fixed it.

            Thanks.
            That dount sound like proper fix... U should be able to use Fresnel. Can you try not using fresnell texture and just use fresnell tick in vray mtl?
            Last edited by Dariusz Makowski (Dadal); 03-03-2014, 11:02 AM.
            CGI - Freelancer - Available for work

            www.dariuszmakowski.com - come and look

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