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    Mini-challenge

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    • pilouP Offline
      pilou
      last edited by

      I just avoid to test the height result! ๐Ÿ˜’ ๐Ÿ˜’ ๐Ÿ˜’ A sort of rotating geometric mirage! ๐Ÿ˜„
      2.670000 against 2.470811m ๐Ÿ˜ณ

      Frenchy Pilou
      Is beautiful that please without concept!
      My Little site :)

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      • gillesG Offline
        gilles
        last edited by

        I'm back!


        Mini-challenge2v6.skp


        Mini-challenge2v6.png

        " c'est curieux chez les marins ce besoin de faire des phrases "

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        • jeff hammondJ Offline
          jeff hammond
          last edited by

          @tig said:

          @gaieus said:

          @unknownuser said:

          i'm not quite sure they could give us true arcs in sketchup without entirely changing the way sketchup works.. (how would a cylinder be drawn if there were no segments in the arcs? a nurbs surface? )

          I do nor care for any "real" geometry. Let it me an approximated, segemented surface model.
          What should be here is circular guides. To let us do geometry we learnt in secondary/high school at our teen ages... That's not much but fairly enough.
          My Tangent Tools fill the gap [for now] and allow you to find the real intersection points of tangents to arcs, lines and arcs, arcs and arcs etc etc...
          They are not new ๐Ÿ˜•

          yeah, true tangents seems to be the only viable ruby solution at this time.

          is it possible to make it more interactive? to where it basically acts like the standard rotate tool but it will snap to an arbitrary point along a line segment? or is something like that impossible to code with the current API?

          dotdotdot

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          • jeff hammondJ Offline
            jeff hammond
            last edited by

            @gilles said:

            I'm back!

            and I'm back on my phone now ๐Ÿ˜„
            can't wait to see what you've come up with this time.

            (in 2 more hours or so)

            dotdotdot

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            • andybotA Offline
              andybot
              last edited by

              @gilles said:

              I'm back!

              I realized this is not strictly geometrically correct. The line that you are putting the guide perpendicular to will not be at the same angle once it is adjusted to the correct width. There is a slight shift that occurs once you adjust both ends.

              http://charlottesvillearchitecturalrendering.com/

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              • pilouP Offline
                pilou
                last edited by

                Thx for the V6 ! The figure remember something N ๐Ÿ˜‰

                I will try another idea come back...in...a week...or months... ๐Ÿ˜’ ๐Ÿ˜„

                Frenchy Pilou
                Is beautiful that please without concept!
                My Little site :)

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                • M Offline
                  mac1
                  last edited by

                  @tig said:

                  Mac1

                  How do you get the rotated guide pt to snap exactly onto the horizontal top guideline ?

                  The guide point and the guide lines are rotated ( their 3.5 spacing is used to get the intersect point on the post A bottom. The post B top is used for the snap ref. Have to do that since you cannot inference to guide lines. The error can occur on the other end when trying to get the guide point on the line. If you what more accuracy one could use the technique Jeane uses for interpolation to come close to the intersect point when rotating one line into another.

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                  • pilouP Offline
                    pilou
                    last edited by

                    Another method ๐Ÿ˜„
                    I believe that the next time that will be 1.000001 m, maybe 1 m ๐Ÿ˜‰

                    Jeff1.jpg


                    Test_jeff1.skp

                    Frenchy Pilou
                    Is beautiful that please without concept!
                    My Little site :)

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                    • TIGT Offline
                      TIG Moderator
                      last edited by

                      I think this plugin-free method works... but it's pretty convoluted...


                      RakingRail.skp

                      TIG

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

                        ๐Ÿ‘

                        Download the free D'oh Book for SketchUp ๐Ÿ“–

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                        • jason_marantoJ Offline
                          jason_maranto
                          last edited by

                          Yeah, that's essentially the same thing I did, but the reason I didn't make a circle is the circle geometry is too imprecise to work accurately in every scenario.

                          I'll check out TIGs latest when I get to the studio.

                          Best,
                          Jason.

                          I create video tutorial series about several 2D & 3D graphics programs.

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                          • TIGT Offline
                            TIG Moderator
                            last edited by

                            This is the simplest non-plugin way I can think of - it's much less hassle than my last attempt...


                            SimpleRakingRail.skp


                            SimpleRakingRailScene 1.jpg


                            SimpleRakingRailScene 2.jpg


                            SimpleRakingRailScene 3.jpg


                            SimpleRakingRailScene 4.jpg


                            SimpleRakingRailScene 5.jpg


                            SimpleRakingRailScene 6.jpg


                            SimpleRakingRailScene 7.jpg

                            TIG

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                            • Wo3DanW Offline
                              Wo3Dan
                              last edited by

                              @dave r said:

                              That stuck with me, too. I can't remember who I took to prom, though.

                              ๐Ÿคฃ
                              Your wife will be pleased to read this.

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                              • mitcorbM Offline
                                mitcorb
                                last edited by

                                Looks like use of a centerline to start is not a good idea?

                                I take the slow, deliberate approach in my aimless wandering.

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                                • andybotA Offline
                                  andybot
                                  last edited by

                                  @tig said:

                                  This is the simplest non-plugin way I can think of - it's much less hassle than my last attempt...

                                  That's what gilles came up with.
                                  http://forums.sketchucation.com/viewtopic.php?f=15&t=44972&start=90#p401988

                                  however, there's a slight shift in the angle of the long side, so technically, it's not precisely tangent to the 300mm circle that would be drawn at the start point.

                                  http://charlottesvillearchitecturalrendering.com/

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                                  • pilouP Offline
                                    pilou
                                    last edited by

                                    Another tricky Tig method with always fantasy of temp crutches ๐Ÿ˜‰

                                    In theory the more elegant is the rotation method : one circle / one rotation
                                    It's like this that nurbs programms do ๐Ÿ˜„

                                    Frenchy Pilou
                                    Is beautiful that please without concept!
                                    My Little site :)

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                                    • gillesG Offline
                                      gilles
                                      last edited by

                                      SU does not manage angles under 0.001ยฐ in rotation, another frustrating inaccuracy.

                                      " c'est curieux chez les marins ce besoin de faire des phrases "

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                                      • andybotA Offline
                                        andybot
                                        last edited by

                                        Gilles and TIG,
                                        This method is not precise. I've added a "true tangent" to where the corner of the board should be, and if you zoom way in, you can see there is an imprecision there.
                                        diagonal2a.jpg
                                        if you zoom in to the corner, you can see how it doesn't exactly match the true tangent.
                                        diagonal2b.jpg

                                        Andy


                                        diagonal2.skp

                                        http://charlottesvillearchitecturalrendering.com/

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                                        • Wo3DanW Offline
                                          Wo3Dan
                                          last edited by

                                          @tig said:

                                          This is the simplest non-plugin way I can think of - it's much less hassle than my last attempt...

                                          Unfortunately it's not accurate either. It's "just" an approach like all other attempts before. If you were to measure along the long edges(true distance between long edges) instead of still using the already existing dimension (300.000000mm)you can see that it is still less than exactly 300mm. After rotating the short 300mm edges on both sides towards the respective Clines, these Clines by themselves aren't perpendicular to the long edges anymore. So you need two new Clines and rotate the short edges again, and afgter that again etc. You'll get closer and closer but to quote Jeff: "no sigare", for it isn't 100%. SU can't do it with its native tools.
                                          SketchUp simply lacks the true (construction-)circle and unfortunately does not snap an endpoint A (of a rotated edge AB) to another edge CD (unless the edge's other endpoint B is already on CD.
                                          As you said before, Your "true tangent intersection" and also (I'll take his word for it) Jeff's DC are the solutions to go by.
                                          SU-team (now that you're not caged by Google anymore) please, it's high time for a construction circle tool to solve these issues.

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                                          • andybotA Offline
                                            andybot
                                            last edited by

                                            TIG, I have to say, your true tangents ruby is thanks again!

                                            http://charlottesvillearchitecturalrendering.com/

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