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Mini-challenge

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  • T Offline
    TIG Moderator
    last edited by 30 Apr 2012, 21:14

    @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 πŸ˜•

    TIG

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    • J Offline
      jeff hammond
      last edited by 30 Apr 2012, 21:15

      @unknownuser said:

      @unknownuser said:

      When testing I recommend you put the posts further apart as with near square shape deviances might be so small that you think you have a correct solution.

      I don't understand why you don't receive my test? 😲
      All seems perfect! πŸ˜„
      Where is the glitch ? (I am in decimal with maximum precision alowed by SU )

      [attachment=0:1h4o0r1i]<!-- ia0 -->test_jeff.jpg<!-- ia0 -->[/attachment:1h4o0r1i]

      I think presenting the problem in 3D could of been confusing. the direction youre measuring 5 in this latest image is insignificant.. try drawing the 2D version (posted on pg 2 or so)

      dotdotdot

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      • P Offline
        pilou
        last edited by 30 Apr 2012, 21:17

        Aaaaaaaaaaaaahhhhh πŸ˜„
        Call me Fredo! πŸ˜† πŸ˜† πŸ˜† I was suffering from hallucinations! 😳

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

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        • P Offline
          pilou
          last edited by 30 Apr 2012, 21:18

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

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

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          • G Offline
            gilles
            last edited by 30 Apr 2012, 21:25

            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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            • J Offline
              jeff hammond
              last edited by 30 Apr 2012, 21:27

              @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 πŸ˜•

              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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              • J Offline
                jeff hammond
                last edited by 30 Apr 2012, 21:28

                @gilles said:

                I'm back!

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

                (in 2 more hours or so)

                dotdotdot

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                • A Offline
                  andybot
                  last edited by 30 Apr 2012, 22:15

                  @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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                  • P Offline
                    pilou
                    last edited by 30 Apr 2012, 22:25

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

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

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

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                    • M Offline
                      mac1
                      last edited by 30 Apr 2012, 23:37

                      @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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                      • P Offline
                        pilou
                        last edited by 1 May 2012, 02:45

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

                        Jeff1.jpg


                        Test_jeff1.skp

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

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                        • T Offline
                          TIG Moderator
                          last edited by 1 May 2012, 10:08

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


                          RakingRail.skp

                          TIG

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                          • R Offline
                            Rich O Brien Moderator
                            last edited by 1 May 2012, 10:18

                            πŸ‘

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

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                            • jason_marantoJ Offline
                              jason_maranto
                              last edited by 1 May 2012, 11:33

                              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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                              • T Offline
                                TIG Moderator
                                last edited by 1 May 2012, 11:50

                                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 1 May 2012, 12:07

                                  @dave r said:

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

                                  🀣
                                  Your wife will be pleased to read this.

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                                  • mitcorbM Offline
                                    mitcorb
                                    last edited by 1 May 2012, 12:33

                                    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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                                    • A Offline
                                      andybot
                                      last edited by 1 May 2012, 12:55

                                      @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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                                      • P Offline
                                        pilou
                                        last edited by 1 May 2012, 13:02

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

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

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

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                                        • G Offline
                                          gilles
                                          last edited by 1 May 2012, 13:09

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

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

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