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  • Gamma in a vrmat?

    If I load a vrmat in max, inside it, what should I set all the bitmaps's gamma to?
    Kind Regards,
    Morne

  • #2
    It depends on the image file you are using as map. Usually the setup is sRGB for 8bit file formats or Linear for HDRI or EXR files.
    Click image for larger version

Name:	2016-03-02 12_34_04}.png
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ID:	860015
    Last edited by tashko.zashev; 02-03-2016, 05:16 AM.
    Tashko Zashev | chaos.com
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    • #3
      Your attachment doesnt work.
      But what I mean is this in my attached image. No matter what settings I use in the VRay editor for gamma and color space, it doesnt have an effect in what I see in the Max material preview. I tried gamma 2.2, 1, 0.4545 and color space lineasr, cirrected and sRGB. The max preview stays the same
      Click image for larger version

Name:	vrmat.jpg
Views:	1
Size:	254.7 KB
ID:	860014
      Kind Regards,
      Morne

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      • #4
        Originally posted by Morne View Post
        Your attachment doesnt work.
        But what I mean is this in my attached image. No matter what settings I use in the VRay editor for gamma and color space, it doesnt have an effect in what I see in the Max material preview. I tried gamma 2.2, 1, 0.4545 and color space lineasr, cirrected and sRGB. The max preview stays the same
        [ATTACH=CONFIG]28930[/ATTACH]
        Ah sorry about that, the image should be visible now.
        You are using layered materials in the Vrmat editor according to the screenshot not the V-Ray material one that I used to test. I will check again if there is something broken or not working properly.

        BDW what are the versions you are using ? Have you updated to the latest service pack 3.30.04 ?
        Also the texture preview window doesn't update automatically on changed property. Have you tried the "Preview" option?
        Thanks.
        Last edited by tashko.zashev; 02-03-2016, 05:26 AM.
        Tashko Zashev | chaos.com
        Chaos Support Representative | contact us

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        • #5
          Yes I'm also on 3.30.04
          I'm not talking about the texture preview - I get I have to press "Preview".
          I AM talking about the ball preview in the Max material editor.
          Kind Regards,
          Morne

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          • #6
            Originally posted by Morne View Post
            Yes I'm also on 3.30.04
            I'm not talking about the texture preview - I get I have to press "Preview".
            I AM talking about the ball preview in the Max material editor.
            Thank you for the quick update Morne. Actually I didn't find any issues with this setup in my tests here. Would it be possible to test your file ? Perhaps I'm doing something different.

            I did a short video :
            Tashko Zashev | chaos.com
            Chaos Support Representative | contact us

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            • #7
              Ah ok I thought it worked like Max and for a setting to take affect you just had to click somewhere else. Didn't know I 1st had to click "Save". Thanks for the video!

              Kind Regards,
              Morne

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              • #8
                Originally posted by Morne View Post
                Ah ok I thought it worked like Max and for a setting to take affect you just had to click somewhere else. Didn't know I 1st had to click "Save". Thanks for the video!

                It is actually more like Rhino UI and functionality
                Tashko Zashev | chaos.com
                Chaos Support Representative | contact us

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                • #9
                  What if I don't have a texture in a slot, but just a swatch color? Doesnt look like there is a way to only change the gamma of the swatch color?
                  From what I can tell, most of the vrmats I have is setup with gamma 1.0 or some other strange gamma like 1.3.
                  This looks fine in Rhino, but in Max everything looks wached out. Is there an easy way to fix this across 246 vrmats?
                  Kind Regards,
                  Morne

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