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Shadows problem when using VRay 2 Sided + VRay Blend Material

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  • Shadows problem when using VRay 2 Sided + VRay Blend Material

    Hey Guys,

    While working on some renders yesterday I noticed a problem with the way shadows are rendered when using a 2 Sided material along with a Blend Material. When im plugging in a VRay 2 Sided Material into a Blend Material (base slot) the opacity / shadows are incorrect. The shadows no longer are respecting the opacity map connected in the chain before the blend material but renders out as the geometry shape is (image attached). This seems to only happen whenever Im using a 2 Sided material into the blend material.

    Shader Setup :
    VRay Material + Opacity Map plugged into a VRay 2 Sided Material (1 each for Front & Back).
    VRay 2 Sided Material is plugged into the VRay Blend Material into the base slot.


    Lighting setup is simple, just using a VRay Sun and a Dome light.

    Sorry Forgot to add VRay Version : 3.1.03 (also tested with 3.1.02)

    I tried the same setup in Maya and it seems to be working correctly.


    Click image for larger version

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    Last edited by ashishdani; 18-04-2015, 10:24 AM. Reason: Forgot to Add VRay Version
    Best Regards,
    Ashish
    CG Generalist & Matte painter
    www.ashishdani.com

  • #2
    Hello,

    Thank you for your feedback.
    Can you post this scene in order to see your setup and to test it in our environment?
    Tsvetan Geshev
    Technical Support Representative

    Chaos Group

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    • #3
      Hello,

      We were able to reproduce the described behavior. The issue is logged in our bug tracking system.
      Thank you for your report!

      Best regards!
      Margarita Stoeva | chaos.com
      Chaos QA (V-Ray for 3ds Max)

      Comment


      • #4
        Thank you
        Best Regards,
        Ashish
        CG Generalist & Matte painter
        www.ashishdani.com

        Comment


        • #5
          This is now fixed for the next nightly build and the upcoming SP.

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

          Comment


          • #6
            Thanks Vlado
            Best Regards,
            Ashish
            CG Generalist & Matte painter
            www.ashishdani.com

            Comment

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