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    Finding reversed faces after texturing?

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    • A Offline
      AirWindSolar
      last edited by

      Sometimes I miss a reversed face during modeling, and sometimes stuff from the Warehouse turns out to have a few buried under full texturing. Of course, Kerkythea hates that, but they're hard to find without removing all the textures and looking everywhere.

      Is there a way to go to something like the hidden line face style with the reversed faces highlighted in a more visible way than the blue that can be easily lost in a complex model? Ideally, a plugin to toggle and change the hidden face color to something user selectable would be most helpful. So far, rolling over it repeatedly with the Front Face plugin and using Material Tools to clear materials from back faces have been helpful, but not as fast as being able to, say, have the model go white and show all the back faces in bright red would be.

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      • Dave RD Offline
        Dave R
        last edited by

        Just switch to Monochrome face style. That will turn off your textures and allow you to see reversed faces. You might find it easier to work in Monochrome face style and save applying textures until the model is finished or nearly so. That will make it easier for you to pick out the reversed faces and keep on top of correcting them as you go.

        Etaoin Shrdlu

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        • TIGT Offline
          TIG Moderator
          last edited by

          As Dave says...
          Use Monochrome mode with a Style that has an off-white front-face color, and a very distinctly contracting back-face color - bright-blue, magenta, lime-green etc are all distinctive and easy to see...

          TIG

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          • KrisidiousK Offline
            Krisidious
            last edited by

            I use Tig's method with magenta and tan. makes reversed faces easy to see.

            By: Kristoff Rand
            Home DesignerUnique House Plans

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            • Dave RD Offline
              Dave R
              last edited by

              I also use TIG's method and have my default style set up so a green I'd never use in modeling is my back face color.

              Etaoin Shrdlu

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              • A Offline
                AirWindSolar
                last edited by

                That helps a lot. Now I just need a quicker way to switch; I generally use just shaded w/texture, hidden line, and now "backface finder," and it would be really handy if I could cycle through those with a toolbar button or something, without having to keep the style window open among the clutter on my other screen.

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                • BoxB Offline
                  Box
                  last edited by

                  That's one use for scenes. You can create scenes with different styles so you can quickly flick to monochrome or any other you want.

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                  • fredo6F Offline
                    fredo6
                    last edited by

                    @airwindsolar said:

                    That helps a lot. Now I just need a quicker way to switch; I generally use just shaded w/texture, hidden line, and now "backface finder," and it would be really handy if I could cycle through those with a toolbar button or something, without having to keep the style window open among the clutter on my other screen.

                    You may wish to use also FredoTools::ReverseOrientFaces. It switches to monochrome and allow to pick / reverse face or do that in a bulk mode (that is extend orientation to all neighbours from the orientation of the face picked).

                    Fredo

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                    • Dave RD Offline
                      Dave R
                      last edited by

                      I guess I've never found the Face Style toolbar to be all that difficult.

                      2014-04-08_15-01-48.png

                      If you just work in Monochrome mode in the first place and fix face orientation as you go, you shouldn't need to be bouncing between face styles anyway.

                      Etaoin Shrdlu

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                      • N Offline
                        numerobis
                        last edited by

                        @dave r said:

                        I also use TIG's method and have my default style set up so a green I'd never use in modeling is my back face color.

                        same here 😉 i use a neon green as backside material and a bright pink/purple as selection colour.

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                        • KrisidiousK Offline
                          Krisidious
                          last edited by

                          @dave r said:

                          I guess I've never found the Face Style toolbar to be all that difficult.

                          [attachment=0:w3mazxtm]<!-- ia0 -->2014-04-08_15-01-48.png<!-- ia0 -->[/attachment:w3mazxtm]

                          If you just work in Monochrome mode in the first place and fix face orientation as you go, you shouldn't need to be bouncing between face styles anyway.

                          I use that as well, but I find it often isn't enough to really see all of the small backfaces in the tight spots. Magenta sings...

                          And then there is the mysterious faces that get reversed unbeknownst to you...

                          By: Kristoff Rand
                          Home DesignerUnique House Plans

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                          • Dave RD Offline
                            Dave R
                            last edited by

                            @krisidious said:

                            @dave r said:

                            I guess I've never found the Face Style toolbar to be all that difficult.

                            [attachment=0:j20cqzan]<!-- ia0 -->2014-04-08_15-01-48.png<!-- ia0 -->[/attachment:j20cqzan]

                            If you just work in Monochrome mode in the first place and fix face orientation as you go, you shouldn't need to be bouncing between face styles anyway.

                            I use that as well, but I find it often isn't enough to really see all of the small backfaces in the tight spots.

                            Why isn't it enough? Monochrome face style is the style that shows you face orientation.

                            @krisidious said:

                            Magenta sings...

                            Yes it does. I used to use magenta but I found the green I use now easier on the eyes and I can still see it when it is only a few pixels wide.

                            @krisidious said:

                            And then there is the mysterious faces that get reversed unbeknownst to you...

                            But if you are working in Monochrome face style, there's no reason to miss reversed faces when they occur.

                            Etaoin Shrdlu

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                            • KrisidiousK Offline
                              Krisidious
                              last edited by

                              In my monochrome the backface is colored close to shadow color, Such as under eaves and in my 3D rocks and stone. When in tight spots it's often hard to see.

                              When they occur, yes... unless they occur after modeling and during tweaking. When you go into edit something, or if you eve make the mistake of hitting "orient faces"...

                              By: Kristoff Rand
                              Home DesignerUnique House Plans

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                              • BoxB Offline
                                Box
                                last edited by

                                I think you are missing the point, the back face default colour should be obvious so that while in Monochrome you can see it. Having your default backface similar to the shadow colour defeats the purpose.

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                                • Dave RD Offline
                                  Dave R
                                  last edited by

                                  Kris, I think you are confusing Monochrome and Hidden Line face styles.
                                  Monochrome (with my green back face color)
                                  Hidden Line. No face orientation information.

                                  Etaoin Shrdlu

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                                  • M Offline
                                    mac1
                                    last edited by

                                    The entity info dialog will also show the front and back colors and you can even reverse those from there . However, that reversal does not reverse faces but can be very useful ,as noted in one of the SCF tuts, to show misapplication of component texture form the wrong context. To reverse face it needs to be done by the reverse face command. For small holes even change in color is not 100%. It is useful to mouse over model and watch for flashes at various orbits and help in IDing those.

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                                    • KrisidiousK Offline
                                      Krisidious
                                      last edited by

                                      Lol... no, I'm not.

                                      how many backfaces do you see?

                                      backfaces.JPG

                                      By: Kristoff Rand
                                      Home DesignerUnique House Plans

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                                      • pbacotP Offline
                                        pbacot
                                        last edited by

                                        @fredo6 said:

                                        @airwindsolar said:

                                        That helps a lot. Now I just need a quicker way to switch; I generally use just shaded w/texture, hidden line, and now "backface finder," and it would be really handy if I could cycle through those with a toolbar button or something, without having to keep the style window open among the clutter on my other screen.

                                        You may wish to use also FredoTools::ReverseOrientFaces. It switches to monochrome and allow to pick / reverse face or do that in a bulk mode (that is extend orientation to all neighbours from the orientation of the face picked).

                                        Fredo

                                        Fredo

                                        Where did you get such powers. I have not the time to even try all the plugins you've made.

                                        MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                                        • Dave RD Offline
                                          Dave R
                                          last edited by

                                          @krisidious said:

                                          Lol... no, I'm not.

                                          how many backfaces do you see?

                                          [attachment=0:3ipp4prq]<!-- ia0 -->backfaces.JPG<!-- ia0 -->[/attachment:3ipp4prq]

                                          If you've got the backface color set to magenta as you've said before AND you have exposed back faces AND you are showing us your model using Monochrome face style, there would be magenta showing. If you have applied some other color/material AND you are showing us a Shaded or Shaded with Textures face style, the magenta faces would be masked.

                                          By itself that screen shot doesn't give us enough information about the settings you are using. Show us a screen shot of the Faces settings in the Styles window. Also show the Background settings.

                                          Etaoin Shrdlu

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                                          • KrisidiousK Offline
                                            Krisidious
                                            last edited by

                                            You are supposed to guess the number of backfaces showing first. then I show you the magenta. So you can agree with me that monochome alone is not sufficient for quick work.

                                            By: Kristoff Rand
                                            Home DesignerUnique House Plans

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