Re: [Gnuplot-info] plot 2D circle in 3D graph

[jody <jod...@gm...>]

Hi Amir

You could try a parametric version of your circle:
  x = d+R*cos(t)
  y = e+R*sin(t)
  z = k

This gives you a horizontal circle centered at (d,e,k)
For a tilted circle you would have to apply rotations
around the x and/or y axis.

Jody


On Wed, Apr 20, 2011 at 11:36 AM, Amir Sabbagh <ami...@gm...> wrote:
> Hi you all,
>
> I am trying to plot a circle and a plane with splot.
>
> I would like to have a circle at a Z=const value. I have tryed with ternary
> operation with no success.
>
>   splot a*x+b*y+c title "Plane", \
>   (x-d)**2 + (y-e)**2 - R**2==0? ((x-d)**2 + (y-e)**2 - R**2): 0/0 with
> title "Circle"
>
> Can someone enlight me?
>
> Thank you
> Amir
>
>
> --
> **************************************************************
> Amir Sabbagh
> Il mio sito / My site: http://almucantarat.altervista.org
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