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    Diameter instead of radius

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    • GaieusG Offline
      Gaieus
      last edited by

      @tig said:

      No, but the radius is always half the diameter

      So you can always enter diameter/2 into the Measurement box...

      diameter.png

      @unknownuser said:

      Take a look to this post

      Therefore no need for any plugin at all... πŸ˜‰

      Gai...

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      • A Offline
        ArCAD-UK
        last edited by

        @gaieus said:

        So you can always enter diameter/2 into the Measurement box...
        Therefore no need for any plugin at all... πŸ˜‰

        Thought I was having a Doh moment but this only seems to work with the division operator. I was beginning to think we had a discrete calculator available πŸ˜’

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        • GaieusG Offline
          Gaieus
          last edited by

          Yes, Pilou, but that was not the question on one hand and again, we are in the Newbie forum on the other so let's keep it simple at the beginning...
          πŸ˜‰

          Gai...

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          • pilouP Offline
            pilou
            last edited by

            @unknownuser said:

            Therefore no need for any plugin at all

            Yes but how you draw a circle between 2 objects ? (in the easy case horizontal or vertical)
            You must first draw a line for have the middle of them and then the center! πŸ˜‰

            And the best will be a plug for that!
            Because even the Circle by Diameter don't work in this case!
            Just 2 points to click

            http://forums.sketchucation.com/download/file.php?id=68678

            else you must without plug make some tricky align views/ axes etc... πŸ˜„
            The more easy seams to draw a line between the corners, then a rectangle
            then the circle
            Then kill line, rectangle
            circle.jpg
            πŸ˜„

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

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            • pilouP Offline
              pilou
              last edited by

              What's no more simple to draw a circle ? πŸ˜‰
              It's like that i have understood the question of the first post! πŸ˜„

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

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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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