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How to make transparent alfa mask texture - SU?

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  • J Offline
    jarynzlesa
    last edited by 10 Nov 2010, 12:02

    I couldn't find tutorial how to make transparent alfa mask texture.

    Does anybody know where I could find it, If exist?

    Example textures.


    Tree


    tree_alpha

    http://www.vizualizaceschodiste.mypage.cz/

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    • G Offline
      Gaieus
      last edited by 10 Nov 2010, 14:15

      Hi jarynzlesa,

      That png is already transparent. Do you mean how to make that one or how to make the alpha? Or actually, how to start from scratch (from a photo you take)?

      Gai...

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      • A Offline
        andybot
        last edited by 10 Nov 2010, 15:12

        Are you looking to make a separate image file with the alpha layer? In Photoshop - you would go to "layer -- layer mask -- from transparency" This way you get an new alpha channel that you can save into a new image. I can explain further if that's what you're looking for.

        http://charlottesvillearchitecturalrendering.com/

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        • J Offline
          jarynzlesa
          last edited by 11 Nov 2010, 09:34

          Sorry for misunderstanding. This is my fault. Problem solved.
          I'm idiot. πŸ‘Ž

          http://www.vizualizaceschodiste.mypage.cz/

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          • G Offline
            Gaieus
            last edited by 11 Nov 2010, 09:37

            So what exactly was that problem?

            Gai...

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            • J Offline
              jarynzlesa
              last edited by 11 Nov 2010, 10:08

              I didn't create layer mask.
              Thank you for comments πŸ‘.


              without layer mask


              problem_solved

              http://www.vizualizaceschodiste.mypage.cz/

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              • D Offline
                d12dozr
                last edited by 11 Nov 2010, 13:39

                You can hide the outside edges to make the 'bounding box' invisible...

                3D Printing with SketchUp Book
                http://goo.gl/f7ooYh

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                • J Offline
                  jarynzlesa
                  last edited by 12 Nov 2010, 02:21

                  Don't know what 'bounding box' is but I got rid of those edges (erase + shift).
                  Thanks for advice 😎 .


                  Works

                  http://www.vizualizaceschodiste.mypage.cz/

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                  • D Offline
                    d12dozr
                    last edited by 12 Nov 2010, 03:20

                    That's what I meant πŸ˜‰ A little faster way to hide those lines is to double click the face so the face and edges are selected, then shift-click the face once to DE-select just the face(this leaves all the edges selected). Then hide the edges all at once -- I have 'hide' set as a keyboard shortcut, or right click > Hide.
                    To be precise, a bounding box is the dotted gray lines that surround a group or component when its open for editing, or the blue lines that appear when a group or component is selected.

                    Your plant looks great!

                    3D Printing with SketchUp Book
                    http://goo.gl/f7ooYh

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                    • R Offline
                      rspierenburg
                      last edited by 12 Nov 2010, 13:58

                      I usually have a 'hidden' layer setup by default, and place all those boundary lines on that and just turn it off.

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