Hi Sam,

may be this a starting point.

http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=128

bests

milton

On Sun, Nov 29, 2009 at 5:31 PM, Sam Veloz <sdveloz@ucdavis.edu> wrote:

> I have a file of points with x/y coordinates and columns for bearing and
> distance. I would like to make a plot where each point is depicted by an
> arrow and the direction the arrow points is based on the value of bearing
> and the length of the arrow is based on the value of distance. Any
> suggestions on how to do this would be greatly appreciated.
> Thanks,
> Sam
>
> --
> ****************************************************
> Sam Veloz
> Postdoctoral Researcher
> Department of Environmental Science and Policy
> University of California, Davis
> sdveloz@ucdavis.edu
>
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