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    Mini-challenge

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    • pilouP Offline
      pilou
      last edited by

      The last Fredo method (some simple indeed) without plug gives with apparently no problem of top tangency vertices ☀
      1.3239127 Nurbs (height of brace cut vertically) Pilars are 1 * 1 * 10 , brace 1 * 1 * x : unity meter
      1.323908 SU

      13.2391273 Nurbs (length of brace between the pilars)
      13.239127 SU

      14.1421356 Nurbs diagonal
      14.142136 Su
      Does this acceptable ? Accurate or not? 😉

      PS
      (i don't reload the Fredo's file due V8 against V6 😉 So remake my own version of Fredo's Method! 😄


      jeff5.jpg


      jeff_fredo.skp

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

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      • C Offline
        Charlie__V
        last edited by

        @unknownuser said:

        ☀

        [edit] and really? you're building ziplines that high? looks fun. 😄

        Jeff,
        I composed a longer/detailed reply...........but? I got timed out I guess.

        So, in short........yes........towers for the ZL are high here (~90' AFG)..because the grade is relatively flat like pancake. (contours @ 1' intervals are typical).

        Attached screenshot depicts my participation in the project. (plan/execute pre assembly components @ grade)...............hoist by crane to place.

        Beast,
        Charlie


        Snip_zip.PNG

        Precision M1710/Win 7 Pro 64 bit/i-7 6920 Quad core 2.9 Ghz -3.8/16Gb ram/NVIDIA M5000M 8Gb

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        • fredo6F Offline
          fredo6
          last edited by

          @unknownuser said:

          The last Fredo method (some simple indeed) without plug gives with apparently no problem of top tangency vertices

          Unfortunately, although the method is mathematically correct, it suffers from the lack of precision of Sketchup for rotation and parallelism of guides (even with circles of 512 segments).

          One way to check that is to split the right post and the board and check the intersectio. As shown in the video, it may not be clean in certain cases.

          So you need an extra step, with the Move tool, to adjust the intersection. You can do this step accurately because the SU Move tools inferences differently the intersection points (cross) and the endpoints (circular dot).

          Jeff Challenge arc sinus.gif

          Strangely, Ruby does not suffer this inaccuracy issue and gives a correct intersection, although the FredoScale Rotate script uses the same method (i.e. calculate the offset angle and substract it to the rotation angle).

          Jeff Challenge Arc FredoScale Rotate.gif

          Fredo

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          • fredo6F Offline
            fredo6
            last edited by

            This mini challenge gave me an interesting idea. Thanks Jeff.

            I will introduce an option in FredoScale for the tools using rotation, in particular the Free Rotate tool (but also Twist and Rotate in Box).
            Basically, after you define the plan of rotation and base direction, you will click an extra target point anywhere in the model. This target point, and actually the parallel to the base direction passing through this point will be used as inference guide instead of the base direction.

            As I did not want to make a separate tool, the convention is that when you click the point for the base direction, you release after 1 second (kind of long click). Then you'll have the opportunity to click the target point as a red cross (in the Fee Rotate tool, you can also toggle this function via Ctrl Alone).

            Indeed this is a plugin solution to the challenge, but I am not sure there is a pure geometrical solution with just the native standard SU Tools.

            Jeff Challenge.gif

            Jeff Challenge2.gif

            If you wish to try in advance of releasing, just drop the file Lib6Protractor.rb attached to this post into the LIBFREDO6_Dir_44 folder.

            Fredo

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            • fredo6F Offline
              fredo6
              last edited by

              For info, I just published the script updates for supporting the two problems featured in this mini challenge. See this post for detail and video.

              This comes in FredoScale, but you just need to download LibFredo6 4.5a.

              Fredo

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              • utilerU Offline
                utiler
                last edited by

                You are a crazy man, Fredo!!!!!

                purpose/expression/purpose/....

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                • pilouP Offline
                  pilou
                  last edited by

                  Yep! 😎
                  Classieux! 👍
                  And no problem in the Big Zoom! ☀

                  1.3239127 Nurbs (height of brace cut vertically) Pilars are 1 * 1 * 10 , brace 1 * 1 * x : unity meter
                  1.323913m SU

                  http://forums.sketchucation.com/download/file.php?id=87799

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

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                  • C Offline
                    Charlie__V
                    last edited by

                    Bravo Fredo..............Bravo!

                    Thanks lots,

                    Charlie

                    Precision M1710/Win 7 Pro 64 bit/i-7 6920 Quad core 2.9 Ghz -3.8/16Gb ram/NVIDIA M5000M 8Gb

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                    • jeff hammondJ Offline
                      jeff hammond
                      last edited by

                      .

                      2014 bump

                      .

                      dotdotdot

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                      • Dave RD Offline
                        Dave R
                        last edited by

                        @jeff hammond said:

                        .

                        2014 bump

                        .

                        why are you bumping this, Jeff?

                        Etaoin Shrdlu

                        %

                        (THERE'S NO PLACE LIKE)

                        G28 X0.0 Y0.0 Z0.0

                        M30

                        %

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                        • jeff hammondJ Offline
                          jeff hammond
                          last edited by

                          @dave r said:

                          why are you bumping this, Jeff?

                          because you can solve the challenge with su2014

                          dotdotdot

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                          • Dave RD Offline
                            Dave R
                            last edited by

                            Oh. By using the new Arc tool.

                            Etaoin Shrdlu

                            %

                            (THERE'S NO PLACE LIKE)

                            G28 X0.0 Y0.0 Z0.0

                            M30

                            %

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                            • jeff hammondJ Offline
                              jeff hammond
                              last edited by

                              @dave r said:

                              Oh. By using the new Arc tool.

                              right. we finally have a way to natively get a rotated snap point.

                              next step, incorporate the same inferencing into the rotate tool 😉
                              (but just having it in the arc tool is fine by me.. I've been wishing for it since maybe 2004 😄 )

                              dotdotdot

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                              • C Offline
                                Charlie__V
                                last edited by

                                @jeff hammond said:

                                @dave r said:

                                why are you bumping this, Jeff?

                                @jeff hammond said:

                                because you can solve the challenge with su2014

                                Buzzinga! 😎

                                C

                                Precision M1710/Win 7 Pro 64 bit/i-7 6920 Quad core 2.9 Ghz -3.8/16Gb ram/NVIDIA M5000M 8Gb

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                                • Wo3DanW Offline
                                  Wo3Dan
                                  last edited by

                                  @jeff hammond said:

                                  @dave r said:

                                  Oh. By using the new Arc tool.

                                  right. we finally have a way to natively get a rotated snap point. ...

                                  Is it really that accurate? I can't get it to work. If I zoom in I can still see a new endpoint (second end of arc) not being on the edge inside a group I "rotated" to(=pulled the arc to.

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                                  • Wo3DanW Offline
                                    Wo3Dan
                                    last edited by

                                    @wo3dan said:

                                    @jeff hammond said:

                                    @dave r said:

                                    Oh. By using the new Arc tool.

                                    right. we finally have a way to natively get a rotated snap point. ...

                                    Is it really that accurate? I can't get it to work. If I zoom in I can still see a new endpoint (second end of arc) not being on the edge inside a group I "rotated" to(=pulled the arc to).

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                                    • jeff hammondJ Offline
                                      jeff hammond
                                      last edited by

                                      @wo3dan said:

                                      @jeff hammond said:

                                      @dave r said:

                                      Oh. By using the new Arc tool.

                                      right. we finally have a way to natively get a rotated snap point. ...

                                      Is it really that accurate? I can't get it to work. If I zoom in I can still see a new endpoint (second end of arc) not being on the edge inside a group I "rotated" to(=pulled the arc to.

                                      as far as i can tell, it's completely accurate.. in this case, i tested it like this:

                                      click pic for larger

                                      ... then rotated the bottom board from the arc end point to the arc start point using the same center point..
                                      everything appears to line up perfectly for me..

                                      dotdotdot

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                                      • pbacotP Offline
                                        pbacot
                                        last edited by

                                        I am surprised because SU can't draw real arcs.

                                        MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                                        • jeff hammondJ Offline
                                          jeff hammond
                                          last edited by

                                          @pbacot said:

                                          I am surprised because SU can't draw real arcs.

                                          the arcs are the same as before. it's just that you can now get a snap at an intersection while creating the arc.

                                          dotdotdot

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                                          • Wo3DanW Offline
                                            Wo3Dan
                                            last edited by

                                            @jeff hammond said:

                                            ...
                                            the arcs are the same as before. it's just that you can now get a snap at an intersection while creating the arc.

                                            The arc tool hasn't changed at all, it still doen't snap to edges, only to endpoints (say A), intersections (say A)etc. To indicate that the arc ends on a (virtual) line from certer to A.
                                            The tool may indicate that you slide the cursor on an edge. But when zooming in, the resulting endpoint that the arc creates isn't on the edge that it is supposed to snap to. Unfortunately!

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