[GRASS-user] Random points within a polygon?

Dylan Beaudette debeaudette at ucdavis.edu
Fri Mar 19 16:48:57 EDT 2010

On Thursday 18 March 2010, Hamish wrote:
> Gary wrote:
> > I want to use v.random but I noticed it puts random points
> > within the region, can I limit this to a polygon?
> Yes, see the v.random.cover addon script from wiki addons.
> Also there are many options available from the R statistics "sp"
> library. (see the R page in the grass wiki, once loaded do
> library(sp); demo(gallery).
> And of course the "spgrass6" R-GRASS interface to transfer data.

Here is an example of exactly what Hamish suggested:


Note that you can substitute readOGR() with readVECT6() to read in a grass 
vector file.


Dylan Beaudette
Soil Resource Laboratory
University of California at Davis

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