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  • The rendering is different from the screen

    Hi,
    just a little test of Vantage 1.8.2 with a .vrscene from V-Ray 6 for Sketchup.

    Why such a difference between the final render (too dark) and the Vantage view.

    I'm new to Vantage, maybe I'm not doing it right.

    Thank you.

    Click image for larger version

Name:	VantageProblem.jpg
Views:	577
Size:	363.3 KB
ID:	1163483
    Windows 10 - RTX 3090 - AMD Ryzen 9 5950X - 128 Go RAM
    Sketchup PRO 24.0.594 + V-Ray 6.20.06
    3DS Max 2024.2.3 + V-Ray 6.20.06
    3DS Max 2025.3 + V-Ray 7.00.04
    Chaos Vantage 2.6.1
    GeForce Studio Ready Driver Version 561.09​​

  • #2
    Hi DCHA34,

    Have you enabled the Auto-exposure in Vantage or have color correction made in the VFB(color correction layers are not supported from vrscenes in Vantage)?

    Best regards,
    Alexander
    Alexander Atanasov

    V-Ray for Unreal & Chaos Vantage QA

    Chaos

    Comment


    • #3
      I forgot to mention: the file on the left is the Vantage rendering, not the V-Ray one.

      And yes, AutoExposure is enabled in Vantage.​

      And Filmic Tonemap AMPAS is also activated with default settings.
      Windows 10 - RTX 3090 - AMD Ryzen 9 5950X - 128 Go RAM
      Sketchup PRO 24.0.594 + V-Ray 6.20.06
      3DS Max 2024.2.3 + V-Ray 6.20.06
      3DS Max 2025.3 + V-Ray 7.00.04
      Chaos Vantage 2.6.1
      GeForce Studio Ready Driver Version 561.09​​

      Comment


      • #4
        Is it enabled for both viewport and checked in the Render setup dialog? https://drive.google.com/uc?id=1p2ff...aPQ-YAVNLHttP1
        Alexander Atanasov

        V-Ray for Unreal & Chaos Vantage QA

        Chaos

        Comment


        • #5
          yes, it is checked.
          Windows 10 - RTX 3090 - AMD Ryzen 9 5950X - 128 Go RAM
          Sketchup PRO 24.0.594 + V-Ray 6.20.06
          3DS Max 2024.2.3 + V-Ray 6.20.06
          3DS Max 2025.3 + V-Ray 7.00.04
          Chaos Vantage 2.6.1
          GeForce Studio Ready Driver Version 561.09​​

          Comment


          • #6
            I think the differences in the render resolutions (viewport and offline) is what is causing the brightness difference when using the Auto exposure. Can you set the viewport/camera resolution to be the same as the final render resolution(or vise versa) and see if the issue persists? We will investigate it as well.

            Best regards,
            Alexander
            Alexander Atanasov

            V-Ray for Unreal & Chaos Vantage QA

            Chaos

            Comment


            • #7
              You are right, the problem is the difference in resolution.
              My screen is a 2K :
              - rendered in 4k = problem
              - rendered in 2K = identical image

              You'll have to get your hands in the code and fix it.​
              Windows 10 - RTX 3090 - AMD Ryzen 9 5950X - 128 Go RAM
              Sketchup PRO 24.0.594 + V-Ray 6.20.06
              3DS Max 2024.2.3 + V-Ray 6.20.06
              3DS Max 2025.3 + V-Ray 7.00.04
              Chaos Vantage 2.6.1
              GeForce Studio Ready Driver Version 561.09​​

              Comment


              • #8
                We fixed the issue, but 1.8.3 is already released, so the fix will be added to the next update.
                Nikola Goranov
                Chaos Developer

                Comment

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