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    PNG transparency with SU styles

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    • JoelM3DMJ Offline
      JoelM3DM
      last edited by

      If you've seen the animated movies I create with SU (at TreasureInside.net) then you know how I insert png images of the characters into models. I use simple models without styles.

      However, when I use styles, some strange things happen. Instead of just the border being transparent, everything turns translucent. All the background details show through the people. So I need to turn off transparency.

      However, I would like to use styles and make the edges sketchy ... but I need the faces to stay opaque. I tried cutting away the border, so transparency could remain off, but that's lots of work.

      Anyone have advice?

      || Joel Metzger 3D Modeling
      || story-shorts.net - Animation with SU

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      • Dave RD Offline
        Dave R
        last edited by

        Can you post an example SKP file with the sketchy line style applied?

        Etaoin Shrdlu

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        • JoelM3DMJ Offline
          JoelM3DM
          last edited by

          Easy enough...

          Take a look at Mr. Transparent.


          Mr. Transparent

          || Joel Metzger 3D Modeling
          || story-shorts.net - Animation with SU

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          • pbacotP Offline
            pbacot
            last edited by

            Yes Joel, I get that too. Haven't seen a fix.

            MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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            • JoelM3DMJ Offline
              JoelM3DM
              last edited by

              Thanks. One trick is to cut away all the border from a jpg and turn off transparency. That is what I want to do ... but the problem is cutting out the image from the background. It is possible and I have seen it done. Does anyone know how? - Joel

              || Joel Metzger 3D Modeling
              || story-shorts.net - Animation with SU

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              • Chris FullmerC Offline
                Chris Fullmer
                last edited by

                Yeah, you can use a software like illustrator to general lines around an image that is nicely cut out like that. Then export that linework as dwg linework and there you go, you have the shape all cut out with SU lines. Its not super simple and it takes time though, but its probably faster than drawing the linework by hand in SU.

                I thought TIG wrote a plugin to do this automatically, but I don't see it. I might have been thinking of his white to transparent plugin.

                Rick made a plugin for this. Its not free, but not terribly expensive if you don't have hundreds to do. You install the plugin and then he charges for each cutout you do. you have send the png to his server and it processes and sends it back very quickly. Might be worth looking into:

                favicon

                (www.smustard.com)

                Lately you've been tan, suspicious for the winter.
                All my Plugins I've written

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                • Dave RD Offline
                  Dave R
                  last edited by

                  TIG's Image Trimmer: http://sketchucation.com/forums/viewtopic.php?t=33445

                  Etaoin Shrdlu

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                  • Chris FullmerC Offline
                    Chris Fullmer
                    last edited by

                    Perfect, thanks Dave!

                    Lately you've been tan, suspicious for the winter.
                    All my Plugins I've written

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                    • JoelM3DMJ Offline
                      JoelM3DM
                      last edited by

                      I'm not seeing it work. I select the image, choose Image Trimmer from Tools, but it does not trim off the transparent border pixels.

                      || Joel Metzger 3D Modeling
                      || story-shorts.net - Animation with SU

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                      • Dave RD Offline
                        Dave R
                        last edited by

                        Worked for me using TIG's Image Trimmer. try running the plugin with the Ruby console open and see if you get any messages. Go back to the thread and check to make sure you've got everything set up correctly.

                        mr t.png


                        Mr Transparent (1).skp

                        Etaoin Shrdlu

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                        • GaieusG Offline
                          Gaieus
                          last edited by

                          This is actually a known bug ever since these sketchy styles were introduced in version 6. (Some older members may remember Tomsdesk's plant packs he has never been able to release due to this).

                          So indeed the only solution is to cut the components around and forget image transparency when sketchy styles are used.

                          Gai...

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                          • JoelM3DMJ Offline
                            JoelM3DM
                            last edited by

                            Hmmm, I am getting a greyed out image and no trimming. I have all the files parked in their correct places.


                            Mr Grey.jpg

                            || Joel Metzger 3D Modeling
                            || story-shorts.net - Animation with SU

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                            • Chris FullmerC Offline
                              Chris Fullmer
                              last edited by

                              Did you open the ruby console and run the plugin? If so, please copy and paste errors (if any) back here to the forum.

                              Also, it did run the outline and trimming just fine. See how the sketchy lines in the background no longer overlap over the top of your character? So the trimming worked great. Now you just have to figure out why the .png is getting lost.

                              Chris

                              Lately you've been tan, suspicious for the winter.
                              All my Plugins I've written

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                              • Dave RD Offline
                                Dave R
                                last edited by

                                The PNG isn't lost. It just isn't being displayed.

                                Try setting the face style to Shaded With Texture. πŸ˜’

                                And it is indeed trimmed as Chris says The blue lines are the bounding box of the resulting component.

                                Etaoin Shrdlu

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                                • Chris FullmerC Offline
                                  Chris Fullmer
                                  last edited by

                                  I'm not sure how TIG's plugin works. Have you tried just putting them all into a model and selecting them all and running his plugin? Is that possibly a workflow that his plugin allows?

                                  Lately you've been tan, suspicious for the winter.
                                  All my Plugins I've written

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                                  • JoelM3DMJ Offline
                                    JoelM3DM
                                    last edited by

                                    Ahh, Shaded with Texture is the answer! Silly me. Thank you.

                                    || Joel Metzger 3D Modeling
                                    || story-shorts.net - Animation with SU

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