[GRASS-user] Re: raster stats within vector

[Milton Cezar Ribeiro]

BTW,

my vector maps have polygons.

milton

2011/7/16 Milton Cezar Ribeiro <miltinho.astronauta at gmail.com>

> Dear all,
>
> I have a raster map with continuous values, and need to extract some stats
> (like mean, std etc) assigning these "zonal" values as a vector column.
> I just added the empty columns on the my vector map using :
>       v.db.addcol map=frag_ts columns="FLOW_STD DOUBLE PRECISION"
>
> How can I do this on grass?
>
> cheers
>
> milton
>
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