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    Problem with export: materials

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    • Y Offline
      Yorky5
      last edited by

      hello,
      I have problems with exporting skp to 3d model:
      I make a model, add multiple materials, export to let's say .3ds, confirm 'export texture maps',... and a windows pops up and says: exported material: 1.
      Importing in a renderprogram shows that there are no materials assigned to it. What am i doing wrong?
      thx,
      York

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      • GaieusG Offline
        Gaieus
        last edited by

        York, there might be several reasons.

        • materials with non-English characters (and maybe with spaces) don't export to 3ds;
        • materials applied on back faces don't export to 3ds;
        • maybe (I cannot really remember) material names shouldn't even be more than 8 character long.
          Probably others can add some more to the list. Could you upload the skp file?

        Also I'm moving this topic for this section is for sharing materials and their resources.

        Gai...

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        • plot-parisP Offline
          plot-paris
          last edited by

          I am not sure if this counts for 3ds export...

          but the only thing I would add to your list, Gaieus, is that if you apply a texture outside a group, it may not be exported with uv-coordinates and therefore displayed only as a colour instead of as a texture. at least that is what happens with Indigo

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          • soloS Offline
            solo
            last edited by

            York

            Firstly welcome to SCF, if you post the SU model with textures assigned I can have a look at it and test the export for you and see if and where you are going wrong.

            http://www.solos-art.com

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

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            • Y Offline
              Yorky5
              last edited by

              Hi, thx for the responses.

              I guess the problem is solved, after restarting my computer... very very strange.

              I have another big problem, and i can't find an answer.

              I have summarized al with the pictures below. The problem you see, i also have with downloaded (similar) objects from sketchup warehouse (let's say a sink with watercrane). Seems like all this kinds of models sketchup has, causes major problems during texturing. I wonder if there's anyone who can solve this, tried the 3D forum where i am active, but still no go.

              PLEASE HELP, thx

              http://lookatimages.files.wordpress.com/2008/08/11.jpg

              http://lookatimages.files.wordpress.com/2008/08/21.jpg

              http://lookatimages.files.wordpress.com/2008/08/31.jpg

              http://lookatimages.files.wordpress.com/2008/08/41.jpg

              http://lookatimages.files.wordpress.com/2008/08/52.jpg

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              • R Offline
                remus
                last edited by

                Pics arent showing...

                http://remusrendering.wordpress.com/

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                • GaieusG Offline
                  Gaieus
                  last edited by

                  This is what it gives: (a 403 error - you have to be logged in):
                  http://lookatimages.files.wordpress.com/2008/08/11.jpg

                  Please, upload the images or place them on an open host.

                  Gai...

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                  • plot-parisP Offline
                    plot-paris
                    last edited by

                    imageshack is a good site to do that (at least it works good for me 😉 )

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                    • GaieusG Offline
                      Gaieus
                      last edited by

                      @plot-paris said:

                      imageshack is a good site to do that (at least it works good for me 😉 )

                      And slow as a snail... 😒

                      Gai...

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                      • plot-parisP Offline
                        plot-paris
                        last edited by

                        indeed 😄
                        which one do you use? obviously not picasa (doesn't work)

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                        • GaieusG Offline
                          Gaieus
                          last edited by

                          I have a couple of webspaces actually so I can upload anything on them but I know there are a couple of really good (and fast) ones here in Hungary.

                          For some funny reasons these US image (and other file) hosting services are sooo commercial that they tend to even slow down connectuion speed to make you pay (I don't know how this is at imageshack as a amtter of fact but have a look at rapidshare for instance).

                          Gai...

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                          • Y Offline
                            Yorky5
                            last edited by

                            Pls try again now, content should no longer be protected,...
                            many thanks

                            http://lookatimages.files.wordpress.com/2008/08/11.jpg

                            http://lookatimages.files.wordpress.com/2008/08/21.jpg

                            http://lookatimages.files.wordpress.com/2008/08/31.jpg

                            http://lookatimages.files.wordpress.com/2008/08/41.jpg

                            http://lookatimages.files.wordpress.com/2008/08/52.jpg

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                            • GaieusG Offline
                              Gaieus
                              last edited by

                              OK, there are two problems here basically:

                              1. back (bluish grey) faces: this is a modeling problem - right click on it and "Reverse faces". If unwanted faces also reverse (to grey), turn on hidden geometry (View menu) and do it with individual faces.
                                In many external rendering softwares these reversed (back) faces do not render at all.

                              2. UV mapping. This is tricky in SU as it does not have good mapping tools. On the cylinder part you can try this:

                              3. turn on hidden geometry (see above)

                              4. right click on one of the facets > texture > position > hit enter

                              5. now sample it with the Allt+Paint bucket (=Eye dropper) tool

                              6. turn off hidden geometry

                              7. paint the cylinder.
                                On the bending part this will not work properly however, there (or on the whole pipe) you can try the "Project" submenu item at step b) instead of position but I doubt that you will get a proper projection (If you knew how much I tried with simple arches!).

                              Gai...

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                              • R Offline
                                REGIS
                                last edited by

                                Hi Yorky

                                I've seen your post on Cheetah3D forum (I use C3D too)

                                Why the arc is grey and not white ?

                                It depens on the color of the face you select to use follow me :
                                The face you click on with follow me tool is grey so the result is white
                                The face you click on with follow me tool is white so the result is grey

                                I think you've got to keep your mesh untextured and try to use Cheetah 3D unwrap tool to have a nice result on the arc.

                                regards

                                ( just a question : do you speak french Yorky )

                                @+

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                                • R Offline
                                  REGIS
                                  last edited by

                                  Hi Yorky

                                  I made a little try

                                  In sketchup
                                  texture arc.jpg

                                  exporting at fbx format keep the faces non triangulated if they aren't in sketchup
                                  rendered with Cheetah3D ( very fast and basic )
                                  essai texture arc.jpg

                                  regards

                                  @+

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                                  • Y Offline
                                    Yorky5
                                    last edited by

                                    @regis said:

                                    Hi Yorky

                                    I made a little try

                                    In sketchup
                                    [attachment=1:3mhs2w0s]<!-- ia1 -->texture arc.jpg<!-- ia1 -->[/attachment:3mhs2w0s]

                                    exporting at fbx format keep the faces non triangulated if they aren't in sketchup
                                    rendered with Cheetah3D ( very fast and basic )
                                    [attachment=0:3mhs2w0s]<!-- ia0 -->essai texture arc.jpg<!-- ia0 -->[/attachment:3mhs2w0s]

                                    regards

                                    @+

                                    Hi, thx all,

                                    There seems to be no 'voodoo' solution for texturing arc-stuff... I still believe that sketchup makes a mess with polygons, unless i do something terribly wrong...

                                    Gaieus, i tried your advice... it's still not the wanted result. Maybe someone could write some tutorial about the best way to model an arc, texture and render it the right way... I guess sketchup can't do better, and that the UV-mapping should be done in your favorite 3d program.
                                    In the cheetah3d forum, Frank Beckman suggests his method... http://www.cheetah3d.de/forum/showthread.php?t=3363

                                    Regis: je ne parle pas le français, en petit peu 😉 Some people texture in sketchup and tweak it in cheetah (like Peer in the c3d forum), you texture completely in cheetah? Can you pls explain your last post? What do you mean or suggest?

                                    Regards,

                                    Yorky

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                                    • R Offline
                                      REGIS
                                      last edited by

                                      Hi Yorky

                                      the first image shown before is the model textured in SU and the second is the model exported at fbx format and just rendered within Cheetah3D.

                                      I would like to learn UV mapping within C3D but at the moment, I don't know hpw to like Frank Beckmann.
                                      If I've got time I can make a little video showing how to tecture an arc ( 🤢 lot of time consuming )

                                      regards

                                      @+

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                                      • Y Offline
                                        Yorky5
                                        last edited by

                                        @regis said:

                                        If I've got time I can make a little video showing how to tecture an arc ( 🤢 lot of time consuming )

                                        That would be wonderful! I know it's time consuming ;-( ,but the upside is that you learn instead... So, if you have some time left
                                        and start this tut, let me know, i (and many other) would really appreciate. Screencapturing (like 'ishowu') is pretty easy.

                                        greetings,

                                        Yorky

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                                        • bigstickB Offline
                                          bigstick
                                          last edited by

                                          There are some good video tutorials on YouTube dealing with texturing that might help you. This (http://www.youtube.com/watch?v=NV0mLPQDcJ4&feature=user) is one. This (http://www.youtube.com/watch?v=HHsRRLCAOm8&feature=related)is another.

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                                          • R Offline
                                            REGIS
                                            last edited by

                                            OK Yorky

                                            I'll do a video screen capture this week end.
                                            I don't know about IshowU but i like a lot ScreenFlow.

                                            regards

                                            @+

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