[GRASS-user] Display arrows on basis of vector points

[Dylan Beaudette]

On Tuesday 23 May 2006 09:03, Bernhard Reimar Hoefle wrote:
> Hi!
> Does anybody know if it's possible to display arrows starting from vector
> points which have a x_shift and y_shift attribute for their
> direction/length.
>
> I would like to use it for displaying flow velocities of glaciers!
>
> Bernhard Hoefle
>
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Hi,

I am not sure if this is currently possible outside of a custom script 
involving d.mapgraph -- but it is quite simple to do in R with the arrow() 
function.

Search the CRAN website for examples.

Cheers,

-- 
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341