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    [Plugin] SectionCutFace

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    • utilerU Offline
      utiler
      last edited by

      No worries, TIG. I don't see that working efficiently as there could be many groups requiring cut so multiple section plans requiring individual actions makes it too long a process...

      Thought it was worth a try... πŸ‘

      purpose/expression/purpose/....

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      • A Offline
        a.danielli
        last edited by

        Hi

        I just downloaded this exciting plugin but I don't know how to use it.

        to try it..
        I made a cube, selected the section cut and created a section.
        I right-clicked on the section cut said "Add Section-Cut Face"
        I don't know what parameters to select so I used the default and clicked ok.
        Nothing happened. I just got a new layer called "CUT-06737377"
        I'd like to use it to Poche architecture plans/ sections.

        Can someone please help?

        Adam
        Sketchup Pro 8
        Mac OS x 10.6.8

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        • Dave RD Offline
          Dave R
          last edited by

          Did you move the section cut into the cube at all? i just ran it on my Mac doing what you said you did and I got the section cut face as expected. Could you post your non-working example?

          Here's a shot of my example.


          section cut face.png

          Etaoin Shrdlu

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          • TIGT Offline
            TIG Moderator
            last edited by

            As Dave said you need to cut a section for it to add a face to, placing the section-plane on an object's face won't produce a SectionCutFace - move the cutting-plane into the object even if it's only 1mm...

            TIG

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            • T Offline
              toddbg
              last edited by

              Great plugin! I was able to use it for one portion of my model, however in another section plane I run the plugin and get no face fills.

              Any suggestions on what to change?

              I can post a link to the model if that would be helpful.

              Thanks!

              Todd

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              • TIGT Offline
                TIG Moderator
                last edited by

                @toddbg said:

                Great plugin! I was able to use it for one portion of my model, however in another section plane I run the plugin and get no face fills.

                Any suggestions on what to change?

                I can post a link to the model if that would be helpful.

                Thanks!

                Todd
                If you have non-solids, with overlapping 'volumes' sometimes it can't decide which is solid and which is void, so no faces get made.
                Repeat - this time 'keeping all edges' [option].
                Then you can see what's the complexity you've generated...
                and then manually face/color the required parts that you want as solids...

                TIG

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                • T Offline
                  toddbg
                  last edited by

                  @tig said:

                  If you have non-solids, with overlapping 'volumes' sometimes it can't decide which is solid and which is void, so no faces get made.
                  Repeat - this time 'keeping all edges' [option].
                  Then you can see what's the complexity you've generated...
                  and then manually face/color the required parts that you want as solids...

                  I'm still having no luck.

                  I've posted my model to my dropbox.

                  Link Preview Image
                  Dropbox - 404

                  favicon

                  (dl.dropbox.com)

                  The currently active scene is the one I am having a hard time with. The last scene is the one that seemed to work correctly.
                  NOTE: I've told the section plane to hide.

                  If you have any insights I would appreciate it.

                  Thank you.

                  Todd

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                  • TIGT Offline
                    TIG Moderator
                    last edited by

                    Right!
                    One look at your SKP showed the issue.
                    It's tiny ! 😲
                    Sketchup/OpenGL have problems coping with tiny faces [<~1mm/0.001sq"] - and also enormous faces.
                    Sketchup is designed as a tool to model objects within a range of 'normal sizes' - doorhandles/doors/walls/buildings/blocks etc [but not tiny screws or giant cities].

                    Your SKP is at the level of something like the parts of a wristwatch !
                    There are some faces/edges <0.4mm across in the part that has the issues - the one that succeeded is just large enough to exist.
                    So all tools like this will fail to make the desired geometry, because Sketchup itself simply can't create it. I'm surprised you haven't had problems with the geometry before...

                    However, a workaround is to group the object, edit the group, select-all and scale your groups' entities by say x10 or x100, and then make the faces using this tool [or others like it] and then scale everything [including the section-cut-face] back down by 0.1 or 0.01 - the tiny faces can 'exist' it's just the 'making' of them that fails...
                    πŸ€“

                    TIG

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                    • T Offline
                      toddbg
                      last edited by

                      @tig said:

                      Right!
                      One look at your SKP showed the issue.
                      It's tiny ! 😲
                      Sketchup/OpenGL have problems coping with tiny faces [<~1mm/0.001sq"] - and also enormous faces.
                      Sketchup is designed as a tool to model objects within a range of 'normal sizes' - doorhandles/doors/walls/buildings/blocks etc [but not tiny screws or giant cities].

                      Your SKP is at the level of something like the parts of a wristwatch !
                      There are some faces/edges <0.4mm across in the part that has the issues - the one that succeeded is just large enough to exist.
                      So all tools like this will fail to make the desired geometry, because Sketchup itself simply can't create it. I'm surprised you haven't had problems with the geometry before...

                      However, a workaround is to group the object, edit the group, select-all and scale your groups' entities by say x10 or x100, and then make the faces using this tool [or others like it] and then scale everything [including the section-cut-face] back down by 0.1 or 0.01 - the tiny faces can 'exist' it's just the 'making' of them that fails...
                      πŸ€“

                      That worked! Thanks TIG.
                      I'm still learning the limits of what Sketchup can do and find myself modeling what would be real world parts for projects I am working on.
                      Unfortunately these do tend to be screws that are 0-80 in size or in this case, walls that are ~1/16" thick. (model train and steam engine parts...)

                      I'll have to keep the scaling trick in mind and work at a larger scale and then back down to real size for production documents.

                      Thanks again!

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                      • TIGT Offline
                        TIG Moderator
                        last edited by

                        If you work in decimal inches why not switch Model Info > Units, displayed units = 'off', change to 'meters' and work as if you are in inches.
                        If you want to display units on dims etc later [at the end after small face modeling is done] - change the units back to inches etc as desired, and then draw a line typing in 1m+enter in the model-context [you add the 'm' so whatever the units it will be 1 'meter' long], use the Tapemeasure tool and pick the two ends of that 1m long line and type in 1"+enter, when prompted answer Yes to rescale the model. The model shrinks to be in inches, with dims etc now displaying in inches etc as set...

                        TIG

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                        • N Offline
                          nickdk
                          last edited by

                          Thank you for this great tool!! πŸ˜„
                          Sometimes when I use it it's very slow, it can take 10mins on a large model, is there any tips on speeding things up?
                          I have a current model with many round shapes and circles with 500 sides and so on, it takes forever.
                          I'm not trying to sound non-thankful, I just wondering if I can do something to make it go faster πŸ˜„

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                          • Dave RD Offline
                            Dave R
                            last edited by

                            I think the answer is in your question. Circles with 500 sides? Whatever for? Surely you don't need that many.

                            Etaoin Shrdlu

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                            • N Offline
                              nickdk
                              last edited by

                              @dave r said:

                              I think the answer is in your question. Circles with 500 sides? Whatever for? Surely you don't need that many.

                              Hehe πŸ˜„ yeah 500 sides might be a lot, the reason for the many sides is that I just recently found out how to make smooth circles in SU and I didn't really think to much about the amount of sides I entered when model ling, I assumed that it would take a lot of sides to get a really smooth result? I need to import the SU model in 3Ds max when it's done and I wanted all circular shapes to be perfect. It might be overkill though, it is making my life hard with this complex geometry that's for sure! πŸ˜•
                              thank you for the insight!

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                              • Dave RD Offline
                                Dave R
                                last edited by

                                It's surely overkill and you've kind of shot yourself in the foot, metaphorically speaking. You can get smooth curves with far fewer sides and increase performance.

                                Etaoin Shrdlu

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                                • N Offline
                                  nickdk
                                  last edited by

                                  how many sides do you think I'll need? I have attached WIP to give an idea of the shapes involved and the detailing πŸ˜„

                                  I did a test with 100 sides and the polygons were visible so I guess it does require quite a lot :S


                                  top073.jpg

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                                  • Dave RD Offline
                                    Dave R
                                    last edited by

                                    I don't know. It's kind of dark so it's hard to see.

                                    Does this look like it is smooth enough?


                                    http://farm7.staticflickr.com/6223/6318648290_530026a3b2_z.jpg

                                    That's 50 segments going around the long way.

                                    Etaoin Shrdlu

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                                    • N Offline
                                      nickdk
                                      last edited by

                                      yes it looks perfect:) My problem is that the circular shapes I'm using in my design are differently scaled - some of them are 20meters in diameter so the 'jagged' faces are much more visible.

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                                      • Dave RD Offline
                                        Dave R
                                        last edited by

                                        That ring is drawn at a bit over 5 meters in diameter but I doubt it would look any different at 20m or 200m.

                                        Etaoin Shrdlu

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                                        • A Offline
                                          ayik37
                                          last edited by

                                          thanks sir,that plugin working very well in my sketchup πŸ‘

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                                          • P Offline
                                            petroulac
                                            last edited by

                                            Thanks!!!

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