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[Plugin] OBJexporter v3.0 20130131

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  • T Offline
    TIG Moderator
    last edited by 21 Feb 2012, 12:33

    Here's v2.4 http://forums.sketchucation.com/viewtopic.php?p=294844#p294844
    It has again been recoded. πŸ˜’
    The processing time is now back to very near v1.8's, but the flipped-instance face-reversal is still fixed...
    Feedback please...

    TIG

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    • G Offline
      gzotti
      last edited by 21 Feb 2012, 13:00

      OK, the missing face is now here, but some components are misplaced. Getting close...

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      • T Offline
        TIG Moderator
        last edited by 21 Feb 2012, 14:06

        v2.5 is underway...

        TIG

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        • T Offline
          TIG Moderator
          last edited by 21 Feb 2012, 16:56

          Here's v2.5 http://forums.sketchucation.com/viewtopic.php?p=294844#p294844
          It has again been recoded - to resolve nested [flipped] group/instance transformations and other multiple-group-instances glitches etc. The speed is also much improved...
          Feedback please...
          πŸ˜•

          TIG

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          • B Offline
            Bazza
            last edited by 21 Feb 2012, 22:00

            Hi TIG,

            I have installed v2.5 and there was no error message on load up so I tried exporting a test model I had made and it exported fine and textures were ok also..
            Thanks so much for this plugin and also for the speed fix.. Much appreciated πŸ‘

            Barry

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            • T Offline
              TIG Moderator
              last edited by 22 Feb 2012, 10:54

              I also have a few more tweaks almost ready - including a ~5% speed improvement and a more Pro-like MTL, with default specularity presets etc.
              I am currently looking at a weirdness created if you have mirrored [scale -1] instances/groups nested inside mirrored instances/groups, that are then rotated etc πŸ˜’ - these OBJ faces can be incorrectly 'reversed' and the UVmapping messed up... It's unlikely to affect many users BUT I'd like it fixing... πŸ€“

              TIG

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              • T Offline
                TIG Moderator
                last edited by 22 Feb 2012, 19:19

                Here's v2.6 http://forums.sketchucation.com/viewtopic.php?p=294844#p294844
                Recoded for a speed improvement ~5%.
                Flipped/rotated instances' transformations resolved for consistently correct face orientation...
                The MTL now defaults to match the Pro exporter generally - specularity=0.333, but now ambience=color etc.
                I am hopeful this now fixes the major issues πŸ˜•

                TIG

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                • G Offline
                  gzotti
                  last edited by 22 Feb 2012, 20:04

                  Yess, finally, a really good exporter - Huge models (forget Pro!), difficult models, I can remove all other half-baked solutions!

                  I rarely get emoticonal, but Three Cheers to You!

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                  • M Offline
                    michaliszissiou
                    last edited by 28 Feb 2012, 17:01

                    Great work indeed. TIG, I thank you so much!
                    Here a test, downloaded from 3dWH. It's a ~1.5M faces mesh, ~20 mterials.
                    Imported in blender/cycles. Just playing, nothing serious. (yes, I forgot to add transparency on windows glass material) πŸ˜†
                    A great free solution for rendering BTW. Having the support of blender editor, excellent solution for more organic adds.
                    CyTestSU.jpg

                    A question to TIG. Now we're able to export tri meshes only. Obj supports n-gons as well. Will be possible to export like this? As b-mesh is the new implementation to blender. (the new n-gons editor-support)

                    I mean, SU UI seems to support flat n-gons. Is this true? I'm not convinced. Braking flatness results to tris (show hidden geometry)

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                    • S Offline
                      SketchWithHaza
                      last edited by 4 Mar 2012, 10:02

                      THANK YOU, you are a life saver. SketchUp is the simplest 3D program I know how to use, finally, ARMA II modding here I come!

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                      • J Offline
                        jpalm32
                        last edited by 4 Mar 2012, 14:22

                        Thanks! Works great!

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                        • G Offline
                          goentiki
                          last edited by 18 Mar 2012, 21:03

                          I use a Mac OSX 10.7.3 with SU 8.0.11751. OBJexporter.rb is in the 'Library/Application Support/SketchUp/Plugins' folder. When I start SU 8 I get a pop-up window "Load Errors" which says:

                          Error Loading File OBJexporter.rb
                          undefined local variable or method `book' for main:Object

                          Did I miss something, I am really new to SU? I see people here having OS X and SU8 without problems, so it should work.

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                          • T Offline
                            TIG Moderator
                            last edited by 18 Mar 2012, 22:23

                            You did not give the full folder path.
                            It should be the 'Mac HD...' root one - not the 'User...' one.
                            That said I don't think that's the issue.

                            The word 'book' doesn't occur anywhere in the code within the ObjectExporter.rb file, so the 'load error' is coming from either another file that's loading just before it which is itself causing an issue... OR the fact that the contents of the ObjectExporter.rb file have become 'corrupted' - have you put the .rb file directly into Plugins?, perhaps you have opened it with a wordprocessor and then saved it when closing [always use a plain-text editor], using a wordprocessor can reformat the file and cause issues, or perhaps the download itself was messed up - so does your browser download other .rb files OK, how did you download it exactly ?

                            There is no reason that this and many similar scripts should not work for you on this OS and Version...

                            TIG

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                            • G Offline
                              goentiki
                              last edited by 18 Mar 2012, 23:43

                              Mea culpa, this is really embarrassing: accidentally I placed an Alias into the plugin folder instead of the file itself. Now with the script in place it works well and I can import the obj into modo.

                              I also realized that the word 'book' doesn't occur anywhere in the script, but having no idea about SU programming I was confused.

                              Thanks a lot for your quick help and this great script!

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                              • D Offline
                                dakota95
                                last edited by 4 Apr 2012, 18:14

                                Ok I have version 8 of sketchup and when I installed this nothing happened. I can still only export to dae or google earth.

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                                • T Offline
                                  TIG Moderator
                                  last edited by 5 Apr 2012, 08:38

                                  @dakota95 said:

                                  Ok I have version 8 of sketchup and when I installed this nothing happened. I can still only export to dae or google earth.
                                  Reread the instructions. It isn't an 'Exporter' in the sense of being a 'dll' which would appear in the Exporter's dialog list of types... rather it IS a script [it goes in the Plugins folder], and on a restart it adds a new item to the 'File' menu 'OBJexporter'...

                                  That runs the tool... πŸ˜•

                                  TIG

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                                  • A Offline
                                    Alain
                                    last edited by 6 Apr 2012, 08:37

                                    @michaliszissiou said:

                                    Great work indeed. TIG, I thank you so much!
                                    Here a test, downloaded from 3dWH. It's a ~1.5M faces mesh, ~20 mterials.
                                    Imported in blender/cycles. Just playing, nothing serious. (yes, I forgot to add transparency on windows glass material) πŸ˜†
                                    A great free solution for rendering BTW. Having the support of blender editor, excellent solution for more organic adds.
                                    [attachment=0:2xnu8c1v]<!-- ia0 -->CyTestSU.jpg<!-- ia0 -->[/attachment:2xnu8c1v]

                                    A question to TIG. Now we're able to export tri meshes only. Obj supports n-gons as well. Will be possible to export like this? As b-mesh is the new implementation to blender. (the new n-gons editor-support)

                                    I mean, SU UI seems to support flat n-gons. Is this true? I'm not convinced. Braking flatness results to tris (show hidden geometry)

                                    BTW maybe this could be interesting for you as well if you use Blender (Cycles) to render:
                                    http://blenderartists.org/forum/showthread.php?234521-Import-OBJ-but-using-existing-material

                                    Kind regards
                                    Alain

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                                    • A Offline
                                      Alain
                                      last edited by 7 Apr 2012, 14:27

                                      Older versions with Sketchup 7 worked perfect.
                                      But since I use the latest version of the OBJ exporter with Sketchup 8, then Sketchup always freezes while the exportprocess.
                                      Tested it on Window XP 32 Bit and Win 7 64 Bit.

                                      Then when I kill the Sketchupprocess in the Windows Taskmanager then a (sometimes) usable but incomplete new created OBJ-File is created anyway.

                                      Does anybody know what could be wrong ?

                                      Kind regards
                                      Alain

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                                      • T Offline
                                        TIG Moderator
                                        last edited by 7 Apr 2012, 15:12

                                        Nothing similar reported. πŸ˜•
                                        Can you post [or PM] the SKP for testing...

                                        TIG

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                                        • A Offline
                                          Alain
                                          last edited by 7 Apr 2012, 17:04

                                          Just wrote you a pm.
                                          It's a File which was created in Sketchup 7 and then continued modelling in Sketchup 8.

                                          I found out that when I explode groups then everything works fine.

                                          Kind regards
                                          Alain

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