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    Sketchup causing n-gon triangulation when imported to UE4

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    • N Offline
      nlipovac
      last edited by

      I think that when you wore modeling you made that square on the right. You should just triangulate all of your mesh prior exporting, or before triangulation, you should delete all hidden edges on that surface.

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      • C Offline
        CellularAutomata
        last edited by

        That triangle on the top right I added today just to test to see if it would triangulate correctly. But it seems like a crazy task to have to apply that across my entire model, that would take so long to do. is there a way to automate the triangulation process across a whole model?

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        • C Offline
          CellularAutomata
          last edited by

          This is what I would have to do in order to have all triangulations to work correctly. To have to do this across my entire model would take forever. are there any other solutions? plugins?


          18.PNG

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          • Rich O BrienR Offline
            Rich O Brien Moderator
            last edited by

            Thomthoms Quad Tools will triangulate quads.

            Download the free D'oh Book for SketchUp πŸ“–

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            • C Offline
              CellularAutomata
              last edited by

              Sketchup works with Ngons though doesnt it? So how to a convert a Ngon to a Quad and then triangulate it?

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              • Rich O BrienR Offline
                Rich O Brien Moderator
                last edited by

                SketchUp work with ngons but leaving another to manage triangulation and keep the UVs is not the way the go.

                This convert ngons to quads you need to do it manually.

                A better alternative is to not model with ngons. Tris and quads only.

                Download the free D'oh Book for SketchUp πŸ“–

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                • C Offline
                  CellularAutomata
                  last edited by

                  in most cases I cannot control what software is being used. I am just receiving the models most of the time theyre in Sketchup.

                  So if i cannot control the fact that the models are being made in sketchup then I will have to convert the ngons into quads one by one? there is no automated plugin that can do this for me?

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                  • R Offline
                    rv1974
                    last edited by

                    Take a look at s4u slice (not automatic but still very helpful)

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                    • panixiaP Offline
                      panixia
                      last edited by

                      SketchUV plugin has a "triangulate" function which works automatically also on N-gons.

                      http://sketchucation.com/forums/viewtopic.php?t=44501

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                      • chippwaltersC Offline
                        chippwalters
                        last edited by

                        Different triangulation plugins can work, but you still get problems.

                        You should consider manually creating 'guides' in your models to provide triangulation 'hints' for your model. Take this part of the alamo model I'm doing. You can see how the lines in the faces help with the triangulation.

                        https://filedn.com/lLMW4jXsJqxXkRYjd1UCoKL/3d/Trian.jpg

                        You can of course use the eraser tool and ctrl-click (PC, not sure Mac) to 'hide' the lines and they will still work as shown:

                        https://filedn.com/lLMW4jXsJqxXkRYjd1UCoKL/3d/Trian2.jpg

                        FWIW, the fastest triangulation plugin I've found is the SketchUV plugin triangulator.

                        Currently working with Cross-Reality technologies

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