Re: [R-sig-Geo] How to generate the coordinates of a circle if i know its center's coordinates and radius?

2007-11-23 Thread zhijie zhang
Thanks very much. On 11/22/07, Arien Lam <[EMAIL PROTECTED]> wrote: > > For geographical coordinates, start with: > https://stat.ethz.ch/pipermail/r-sig-geo/2007-September/002595.html > > Cheers, Arien > > > > zhijie zhang wrote: > > Hi all, > > How to generate the coordinates of a circle if i k

Re: [R-sig-Geo] How to generate the coordinates of a circle if i know its center's coordinates and radius?

2007-11-22 Thread Arien Lam
For geographical coordinates, start with: https://stat.ethz.ch/pipermail/r-sig-geo/2007-September/002595.html Cheers, Arien zhijie zhang schreef: > Hi all, > How to generate the coordinates of a circle if i know its center's > coordinates and radius? > I want to overlay the circle with anoth

Re: [R-sig-Geo] How to generate the coordinates of a circle if i know its center's coordinates and radius?

2007-11-21 Thread Gabor Grothendieck
See draw.circle and maybe draw.arc in the plotrix package. On Nov 21, 2007 8:17 AM, zhijie zhang <[EMAIL PROTECTED]> wrote: > Hi all, > How to generate the coordinates of a circle if i know its center's > coordinates and radius? > I want to overlay the circle with another figure, but i only kno

[R-sig-Geo] How to generate the coordinates of a circle if i know its center's coordinates and radius?

2007-11-21 Thread zhijie zhang
Hi all, How to generate the coordinates of a circle if i know its center's coordinates and radius? I want to overlay the circle with another figure, but i only know its center's coordinates and radius. It will be easy if i can get the coordinates of the circle. Thanks. -- With Kind Regards