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    Bumpmap for Glass

    Scheduled Pinned Locked Moved V-Ray
    renderpluginsextensions
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    • soloS Offline
      solo
      last edited by

      Image is not showing.

      What render engine you planning to use?

      http://www.solos-art.com

      If you see a toilet in your dreams do not use it.

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      • holmes1977H Offline
        holmes1977
        last edited by

        hi Solo

        Im trying to learn V-Ray

        Exaggeration makes a dull story better.

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        • jeff hammondJ Offline
          jeff hammond
          last edited by

          @holmes1977 said:

          hi all

          Im looking for a good bumpmap for glass. Im modeling a refurbished old building as you can see and want to get distortion in the reflections.

          Thanks

          i can't help with the map but i can help with getting your picture to show up πŸ˜„

          EDIT- haha.. nevermind

          dotdotdot

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          • soloS Offline
            solo
            last edited by

            Use a water bump, oversize it and make it a small value like .5

            http://www.solos-art.com

            If you see a toilet in your dreams do not use it.

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            • holmes1977H Offline
              holmes1977
              last edited by

              hahaha

              really that simple

              thanks Solo I'll give it ago

              Exaggeration makes a dull story better.

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              • N Offline
                NewOne
                last edited by

                If it's double glazing, then between the two foils of glass is low pressure gas (Argon), or vacuum. That is why the glass surface is not planar but slightly concave. I suggest to try with this bump... I don't know how accurate is, but you can give a try. Don't tile it! Fit the image on each window.
                It's a 16 bit grayscale PNG. I hope it won't make strips.


                glass bump_.zip

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                • holmes1977H Offline
                  holmes1977
                  last edited by

                  @NewOne
                  Cheers Mate I'll try it out

                  Exaggeration makes a dull story better.

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                  • thomthomT Offline
                    thomthom
                    last edited by

                    I did some experiments with warped glass before:
                    http://forums.sketchucation.com/viewtopic.php?f=322&t=18096&start=30#p149199
                    http://forums.sketchucation.com/viewtopic.php?f=322&t=18096&st=0&sk=t&sd=a&start=45#p149570

                    If you look at a building made out of glass you'll notice that each glass panel bulges, the distortion follows the frame of the glass. It's due to the different pressure between the inside and outside I believe.

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

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                    • N Offline
                      NewOne
                      last edited by

                      @thomthom said:

                      It's due to the different pressure between the inside and outside I believe.

                      inside and outside of the building? πŸ˜„ I hope that doors and windows are not so good sealed... Because who's sleeping there, might wake up with a terrible headache because of oxygen lack. πŸ˜„

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                      • holmes1977H Offline
                        holmes1977
                        last edited by

                        Cheers Thomthom

                        Thats perfect, I have abit of experimenting to do.

                        Exaggeration makes a dull story better.

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