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    Creating arcs in ruby

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    • W Offline
      writestometal
      last edited by writestometal

      Hi Guys
      Why is the standard Arc tool so different from the add_arc method?

      I'm trying to write a script to import IDF data which defines arcs by startpoint, endpoint and include angle, to me this seems much closer to how the Arc tool works than the add_arc method (knowing that I can get the bulge distance from the include angle).

      Can I mimic the Arc tool behaviour in my script or do I have to do all the mathematics to make up the parameters for a add_arc method?

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      • TIGT Offline
        TIG Moderator
        last edited by

        Download my 2Dtools... http://sketchucation.com/pluginstore?pln=2Dtools
        The 2Darc tool RB includes code for making an Arc by included angle.
        You can probably borrow some ideas/code from that...

        TIG

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        • W Offline
          writestometal
          last edited by

          Wow! Didn't expect such a timely response from a guru. I'll have a look. Thanks.

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          • W Offline
            writestometal
            last edited by

            I'm beginning to understand now. Yes I have to do the maths but applying TIG's methods make it relatively straightforward. I'm off to read more about tranformations and maybe have a look at fillets. Thanks.

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            • K Offline
              killernova
              last edited by

              @tig said:

              Download my 2Dtools... http://sketchucation.com/pluginstore?pln=2Dtools
              The 2Darc tool RB includes code for making an Arc by included angle.
              You can probably borrow some ideas/code from that...

              Hi,
              I've tried this extension, it works fine on windows, but on MacOS, when I try to draw arc with this tool, the sketchup seems to run into a dead loop(the mouse is busy, and can't do anything else except close sketchup).

              I'm using Sketchup pro 2022/2021, did you know what happened?

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