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    Pasting a Logo or Seal to a cylinder

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    • GaieusG Offline
      Gaieus
      last edited by

      Yes, it definitely "crumples" the surface when you intersect it with the model. Probably the best way would indeed be to create a texture for the whole flask and wrap it around only once with UV Tools.

      Gai...

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      • W Offline
        wsellers89
        last edited by

        Gaieus,

        That's where I am confused with the UVTools. The steps I have been using are:

        1. Import logo image as a texture on face perpendicular to the cylinder
        2. Make the texture a projected texture
        3. Right click on the logo texture and select "Cylinder" from the UVTools contextual menu
        4. Use the eyedropper tool to sample the logo texture
        5. Use the paint bucket to paint on the Cylinder.

        Is that the correct sequence? I also read comments about editing the texture after you have painted it, but I don't see how to do that with the UVTools ver. 1 plugin.

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        • massimoM Offline
          massimo Moderator
          last edited by

          The workflow with UV tools is simpler: just apply your texture on the cylinder then right click on the texture and select "Cylinder" from the UVTools contextual menu.

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          • GaieusG Offline
            Gaieus
            last edited by

            Indeed - however in that case the logo will be huge and wrapped all around the bottle. You should make a relatively big image into which you insert the logo (somewhere in the middle).

            Certainly it would be nicer if SU did not distort the curved surface once there is something intersected with it but it seems that we cannot help that. Many times, when there is some more "rough" texture around, it is not too apparent but with a shiny surface it is simply ugly unfortunately.

            Gai...

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            • D Offline
              d12dozr
              last edited by

              What you need to do is start with a texture. Turn on hidden geometry and draw lines on the surface of the cylinder to block out exactly where the texture goes...then hide those lines. Line up texture, then project texture onto cylinder...sample and paint from one segment to the next (still with hidden geometry on). Keep sampling last segment and painting on next so that the texture lines up. When you are done, turn off hidden geometry and its perfect.

              Make sure logo background color matches the rest of the cylinder...

              See screen capture and .skp file. The scale of the logo is messed up, sorry!


              Click if scroll bars


              Baseline Cylinder with Logo.skp

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

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              • GaieusG Offline
                Gaieus
                last edited by

                That would work but in fact, there is the problem that intersected geometry on a curved surface will distort the surface very ugly. That's what the whole conversation started with.

                Gai...

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                • ely862meE Offline
                  ely862me
                  last edited by

                  u can do something else too..pretty fast..
                  Make a high texture with the logo in the position u want..import the texture,scale the texture to fit 4 or 5 segments of the cylinder,apply the texture,unsoften the the lateral edges of those 4,5 segments ..scale the original texture for the logo to get out of object range..and apply it to the entire object ..

                  All the best!

                  Elisei


                  ata c.jpg


                  ata d.jpg


                  ata e.jpg


                  ata logo applyed by EliseiDesign.skp

                  Elisei (sketchupper)


                  Before no life was done on Earth it was THE LIFE ITSELF...GOD
                  Come and See EliseiDesign

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                  • D Offline
                    d12dozr
                    last edited by

                    @gaieus said:

                    That would work but in fact, there is the problem that intersected geometry on a curved surface will distort the surface very ugly. That's what the whole conversation started with.

                    😳 sorry, I thought it would work, but I didn't try it.

                    However, this should work: Stick groups to mesh http://forums.sketchucation.com/viewtopic.php?p=211560#p211560 Just keep the logo a separate group and just far enough away from the cylinder that there is no z-fighting.

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

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                    • W Offline
                      wsellers89
                      last edited by

                      Gentlemen,

                      I can't thank you all enough for your help.  This is what I think is tremendous about the SketchUp community.  People willing to take time out of their important day to help others learn from their experience!  Rest assured that I don't typically bother posting questions until I have read, and re-read the books that I have, and the posts on the forum.  Materials and textures are still one of the biggest mysteries to me.  
                      

                      The suggestions that you all provided were excellent and I was able to paste the logos onto the cylinder as necessary.

                      I hope sometime in the future someone can find out what causes the surface "crumpling" when you intersect a logo or stamp with a smooth body, and put together a work around solution.  I have used that technique before to put markings on airplane models (see attached file).  The intersection method was a great suggestion provided by another SketchUp expert and seemed to work well for flat, smooth bodies.  When intersecting logos with rounded engines or fuselages however, the crumpling would sometimes occur.  It is frustrating when it occurs because of the time spent carefully tracing over an intricate logo for intersecting with the body.
                      

                      Again, many thanks for your kind comments and suggestions!


                      YC-14 Render3.jpg

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                      • charly2008C Offline
                        charly2008
                        last edited by

                        Hi Elisei,

                        how did you do this "high texture"? In the moment I have no idea how to do it.

                        Karlheinz

                        He who makes no mistakes, makes nothing

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                        • ely862meE Offline
                          ely862me
                          last edited by

                          @charly2008 said:

                          Hi Elisei,

                          how did you do this "high texture"? In the moment I have no idea how to do it.

                          Karlheinz

                          Sorry i didn specified that..whatever program u have ,like:paint,photoshop,etc.

                          Happy sketching!

                          Elisei

                          Elisei (sketchupper)


                          Before no life was done on Earth it was THE LIFE ITSELF...GOD
                          Come and See EliseiDesign

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                          • charly2008C Offline
                            charly2008
                            last edited by

                            Hi,

                            I've tried it with the logo too. The disortion effect can be minimized. The organic model I've smoothed
                            and the cylinder is made with 48 sectors.


                            LOGO1.jpg


                            LOGO.jpg

                            He who makes no mistakes, makes nothing

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                            • charly2008C Offline
                              charly2008
                              last edited by

                              With 96 sectors the disortion effect is no longer recognizable.


                              LOGO2.jpg

                              He who makes no mistakes, makes nothing

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                              • GaieusG Offline
                                Gaieus
                                last edited by

                                Although for our eyes, SU seems to use single faces for unlimited number of polygons, I suspect that in the background it in fact triangulates those faces. And when you intersect some curved surfaces, you have no control over the direction of that triangulation/autofold function - thus the ugly effect.

                                This can also be suspected when you try to close the face of some definitely coplanar but rather complex structure and often SU only lets you do it by manual triangulation and then keeps the face even after you delete those coplanar, dividing edges.

                                Gai...

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                                • W Offline
                                  wsellers89
                                  last edited by

                                  Is there a plugin that will take rectangular faces and triangulate them?

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                                  • massimoM Offline
                                    massimo Moderator
                                    last edited by

                                    Here you can find one.

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