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    [req] tracing bitmaps?

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    • M Offline
      museummaker
      last edited by

      Bookmarked 👍 +1

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      • charly2008C Offline
        charly2008
        last edited by

        Hi to Everyone,

        I have drawn a simple rectangle in SketchUp and this exported as BMP. With this BMP I experimented in both programs. From Vector Magic I received a double rectangle instead a single rectangle and from Inkscape I received a very different result. While the image edges are represented as single line or vectors.

        I have less experience in vectorization of objects and I do not know if I'm doing something wrong. Are here in the forum experts who are familiar with this procedures? I would be very happy if someone could help and explain.

        Charly


        Double Line.jpg


        2010-11-14_185125.jpg

        He who makes no mistakes, makes nothing

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        • jo-keJ Offline
          jo-ke
          last edited by

          OK here is my rug-problem! It's a different situation but the same problem:

          I am drawing the designs of my rugs with photoshop or coreldraw. If the design is a bitmap I can trace it with coreldraw and I can save it as a dwg file. unfortunately the vectors are not filled when I import it to SU so I can't use the pushpull function

          coreldraw:
          trace001.jpg

          SU after import
          trace002.jpg

          real rug

          http://www.doerr-lu.de/nmweb//_actions/nmweb_action_getfile.php?field_fileid=537


          trace.skp

          http://www.zz7.de

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          • jo-keJ Offline
            jo-ke
            last edited by

            I used the same method with the floorplan

            vectorising in corel X3. it was a quite good result, the tracing function in corel is very good. no postprocess, export as dwg, import in SU and no filled fields...


            grundriss-cdr-trace001.jpg


            grundriss-cdr-trace002.jpg


            grundriss-trace.skp

            http://www.zz7.de

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            • charly2008C Offline
              charly2008
              last edited by

              Hi jo-ke,

              there are many stray lines (plugin) . they have to be corrected manually.

              Charly


              trace.skp


              Stray Lines.jpg

              He who makes no mistakes, makes nothing

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              • jo-keJ Offline
                jo-ke
                last edited by

                wow charly, this looks better. how did you fill the fileds?

                http://www.zz7.de

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                • charly2008C Offline
                  charly2008
                  last edited by

                  it is the same in this drawing stray lines and open contours.


                  Stray Lines.jpg

                  He who makes no mistakes, makes nothing

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                  • charly2008C Offline
                    charly2008
                    last edited by

                    With the plugin "make faces 1.4"

                    He who makes no mistakes, makes nothing

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                    • thomthomT Offline
                      thomthom
                      last edited by

                      @charly2008 said:

                      I removed all the stray lines but you can see some of the contour lines are not closed. This finding is hard work.

                      And surely that isn't usable as a working model, is it? There isn't a single straight line there...

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

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                      • charly2008C Offline
                        charly2008
                        last edited by

                        I removed all the stray lines but you can see some of the contour lines are not closed. This finding is hard work. Oh I remembered there is a trouble shooting style.


                        Stray Lines.jpg


                        Trouble shooting.jpg

                        He who makes no mistakes, makes nothing

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                        • jo-keJ Offline
                          jo-ke
                          last edited by

                          I can't find the make faces plugin...

                          at the moment I'm trying the plan tools http://forums.sketchucation.com/viewtopic.php?f=323&t=30512&start=0&hilit=make+faces

                          http://www.zz7.de

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                          • charly2008C Offline
                            charly2008
                            last edited by

                            Hi Thomas,

                            [/quote]
                            And surely that isn't usable as a working model, is it? There isn't a single straight line there...[/quote]

                            that seems to be the Problem!

                            Charly

                            He who makes no mistakes, makes nothing

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                            • charly2008C Offline
                              charly2008
                              last edited by

                              Jo-ke,

                              if it is not in your Tools menu, have a look here:

                              Link Preview Image
                              Smustard(TM) - the Companion to Sketchup(TM) - Plugins and Scripts

                              List of Smustard plugins and ruby scripts for Sketchup

                              favicon

                              (www.smustard.com)

                              He who makes no mistakes, makes nothing

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                              • jo-keJ Offline
                                jo-ke
                                last edited by

                                @charly2008 said:

                                Jo-ke,

                                if it is not in your Tools menu, have a look here:

                                Link Preview Image
                                Smustard(TM) - the Companion to Sketchup(TM) - Plugins and Scripts

                                List of Smustard plugins and ruby scripts for Sketchup

                                favicon

                                (www.smustard.com)

                                Ah thank you. now of course I've found it.

                                http://www.zz7.de

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                                • charly2008C Offline
                                  charly2008
                                  last edited by

                                  Thomas,

                                  I have found now a plan with a resolution of 3335 x 4151 pixels. The result is good. But what I still do not understand is that double lines are generated.

                                  CharlyUntitled1.jpg


                                  Sketchup1.jpg


                                  Loft.skp


                                  Untitled2.jpg


                                  Untitled3.jpg

                                  He who makes no mistakes, makes nothing

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                                  • thomthomT Offline
                                    thomthom
                                    last edited by

                                    Ah, it create a line for each side of the black pixels... is there a setting for that in the app you use?

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

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                                    • charly2008C Offline
                                      charly2008
                                      last edited by

                                      Thomas,

                                      In Inkscape I did it. The error was to use the edge detection. You have to use Brightness cutoff. Well, at least most of the lines are individual lines. Please have a look into the attached file.

                                      Charly


                                      Untitled1.jpg


                                      Untitled2.jpg


                                      Loft.skp

                                      He who makes no mistakes, makes nothing

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                                      • jo-keJ Offline
                                        jo-ke
                                        last edited by

                                        The result is perfect!

                                        I've quickly used "make faces" 😉 and pushpull and the result looks like that:

                                        (of course many lines (doors, fonts,...) need to be corrected but that is easy with that result.)


                                        trace-Loft-1.jpg

                                        http://www.zz7.de

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