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    V-ray questions

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    • V Offline
      vidy
      last edited by

      you're welcome wahoo, yes i thought i was change a bit about physical camera option, hopefully it recorded on my file, coz sometimes vray for su forgot about the setting when we move the file to other computer πŸ˜’

      bytw, is the image you posted originally from the vray su render? well, i think, it will be better if you play a bit on PS (or image editing software) to tweak for brightness and contrast of the image.

      nice project bro..

      regards,
      vidy

      still so much to learn..

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      • B Offline
        BigTom
        last edited by

        @thomthom said:

        A slight variation:
        Bumpmap: Blend
        - Texture A: Noise - Size: 50
        - Texture B: Bulge
        Blend Ratio: 0.25 (75% Texture A)

        This just add the slight bulging which you often see in windows.

        What layer are you placing this bumpmap to? I've looked through this thread and I haven't been able to find it exactly. If there is another thread which explains it I'll gladly go there.

        http://www.tomsherrillillustrations.com

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        • thomthomT Offline
          thomthom
          last edited by

          Bump map isn't a layer of its own - but a map applied to the material. Look at the bottom of the material properties in the VfSU editor. You have a bunch of checkboxes and map slots.

          Thomas Thomassen β€” SketchUp Monkey & Coding addict
          List of my plugins and link to the CookieWare fund

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          • B Offline
            BigTom
            last edited by

            I need to set the UVW Type to UVWGenPlanarWorld for both Texture A and Texture B?

            For Texture A use the default Noise settings? There are so many I'm a little perplexed by them.

            Use the default Bulge settings in Texture B?

            http://www.tomsherrillillustrations.com

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            • B Offline
              BigTom
              last edited by

              I got it to work! Thanks THomThom - your posts have been a big help and I've gotten closer to mastering this skill.

              I'm still left trying to understand all the many parameters available in the materials panels. The TexNoise, TexBlend etc have so many posible variables and the operator manuals I've read don't address them all. (things like amplitude, frequency, persistence, inflection, bias, etc)

              Can anyone recommend resources that help to explain the vray materials and texture panels parameters fully?

              http://www.tomsherrillillustrations.com

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              • thomthomT Offline
                thomthom
                last edited by

                I'm a wee bit confused to all them myself to be honest... πŸ˜• Essentially with the latest release where we have all these new procedural maps.

                Thomas Thomassen β€” SketchUp Monkey & Coding addict
                List of my plugins and link to the CookieWare fund

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                • B Offline
                  BigTom
                  last edited by

                  UhOh - if you don't know these things it seems that much more daunting!

                  http://www.tomsherrillillustrations.com

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                  • thomthomT Offline
                    thomthom
                    last edited by

                    I've been meaning to do some experiments with them. But never got around.
                    So if you look at them and work out what some of these parameters do - them please post back to the forum. I'd appreciate it.

                    Thomas Thomassen β€” SketchUp Monkey & Coding addict
                    List of my plugins and link to the CookieWare fund

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                    • N Offline
                      nicolerouillard
                      last edited by

                      @thomthom said:

                      @solo said:

                      below is an image of a render in progress, it's a studio setup that has blotchy artifacts in the shadows, how does one overcome it?

                      In the DMC Sampler section of the Options. Is the adaptive Amount set to 0.85?
                      You are likely to get splotches if this is set to 1.

                      Where is the DMC sampler, I have QMC sampler. Is this the same?

                      N

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                      • F Offline
                        fjrentas
                        last edited by

                        @unknownuser said:

                        Where is the DMC sampler, I have QMC sampler. Is this the same?

                        Then you have a very old version. You need to update your version to the latest one.

                        http://software.asgvis.com/index.php?option=com_content&view=article&id=253&Itemid=53

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                        • eddiemoneyE Offline
                          eddiemoney
                          last edited by

                          awesome post, thanks for the help! upping the subdivisions fixed the issue for me πŸ˜„

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