[R] How to plot wind direction and strength field

[Gabor Grothendieck]

Check out:

http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=80

and

RSiteSearch("quiver")


On Tue, Apr 29, 2008 at 6:08 AM, Jenny Barnes <jmb at mssl.ucl.ac.uk> wrote:
> Dear R-help community,
>
> I have searched through the archives and not been able ot find any advice on
> how to plot a wind field with one arrow per grid square with the arrow
> pointing in the direction of the wind and it's size proportional to the wind
> strength.
>
> I have the wind speed data in arrays of [lon,lat,uwind] and [lon,lat,vwind]
> so it is broken down into u and v components. How do I plot it though?!?!
>
> Any suggestions very wecome indeed - I seem to have hit a brick wall.....
>
> All the best,
>
> Jenny
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Jennifer Barnes
> PhD student: long range drought prediction Climate Extremes Group
> Department of Space and Climate Physics
> University College London
> Holmbury St Mary Dorking, Surrey, RH5 6NT
> Web: http://climate.mssl.ucl.ac.uk
>
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