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    Diameter instead of radius

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    • Jean LemireJ Offline
      Jean Lemire
      last edited by

      Hi Pilou, hi folks.

      There is an infinite number of circles between two points since there is an infinite number of planes around a line (the diameter).

      Just ideas.

      Jean (Johnny) Lemire from Repentigny, Quebec, Canada.

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      • pilouP Offline
        pilou
        last edited by

        In the case of the inclined circle above

        @unknownuser said:

        an infinite number of planes around a line

        But only one with a diameter // to the ground ! πŸ˜‰ (i believe that will be a tricky plug πŸ˜‰
        (in fact 2 if your circle has a color different recto verso πŸ˜„

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

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        • ipsketchpiI Offline
          ipsketchpi
          last edited by

          Cool, I like that 100/2 option. Exactly what I am looking for when I am too lazy to divide D to get R πŸ˜„

          Thanks!

          /IP

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          • N Offline
            namuh1
            last edited by

            Silly question: Why does Layout let you set a circle by diameter... namely typing for exampe: 5" d in the toolbar to get a 5" diameter circle and Sketchup itself does not?

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            • Dave RD Offline
              Dave R
              last edited by

              @namuh1 said:

              Silly question: Why does Layout let you set a circle by diameter... namely typing for exampe: 5" d in the toolbar to get a 5" diameter circle and Sketchup itself does not?

              Two different programs.

              Etaoin Shrdlu

              %

              (THERE'S NO PLACE LIKE)

              G28 X0.0 Y0.0 Z0.0

              M30

              %

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              • GaieusG Offline
                Gaieus
                last edited by

                It does allow - with a bit of basic calculation input - except when you also want to use the unit (it seems). I use a (centi)metric template and I can enter (say) 100/2 and it will draw a circle with an 50cm radius (i.e. 100cm dia).

                I guess this does not help much with architectural imperial template for instance...

                Gai...

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                • C Offline
                  chmedly
                  last edited by

                  I too would like this. It takes too much time to switch to a separate calculator to figure out a complex circle's radius. I thought the /2 idea would work but it doesn't I have a Sketchup model that is set to decimal inches. I keep trying to draw a circle with a 1.25" diameter. If I type 1.25/2 in the box I get a circle with a radius of 1.25. I've tried a number of different ways of typing this to no avail.

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                  • F Offline
                    Futurepast
                    last edited by

                    I use the scale tool. I draw the circle, use the scale tool by clicking on corner holding cntl key. Start the move and type in 2 or .5 to double or halve the circle

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                    • Dave RD Offline
                      Dave R
                      last edited by

                      I've just practiced doing the math in my head. I must say I've gotten faster at it with practice. It really isn't a big problem for me.

                      I would find scaling a circle after I've drawn it kind of a pain especially if it is drawn on something else in a location where the larger circle would have to cross other geometry.

                      Etaoin Shrdlu

                      %

                      (THERE'S NO PLACE LIKE)

                      G28 X0.0 Y0.0 Z0.0

                      M30

                      %

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                      • M Offline
                        mm0063
                        last edited by

                        @chmedly said:

                        If I type 1.25/2 in the box I get a circle with a radius of 1.25. I've tried a number of different ways of typing this to no avail.

                        So try 125/200 instead of 1.25/2 . 😎
                        See https://www.youtube.com/watch?v=crY8SVypzMQ

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                        • S Offline
                          slbaumgartner
                          last edited by

                          The technique of entering n/m works only because SketchUp's measurements box accepts fractions, not because it implements a divide operator as such. In a fraction both n and m must be integers. Any other type does not get treated as a numerator or denominator of a fraction.

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