[GRASS-user] COG

[Markus Neteler]

On Wed, Dec 9, 2009 at 4:28 PM, Achim Kisseler
<ak7 at jupiter.uni-freiburg.de> wrote:
>
> Hi all,
>
> is it possible in grass to calculate the "center of gravity"?

Yes.

> Given two raster maps:
>  1) map where areas are defined (can be vector map, too)
>  2) raster map with "gravity" values
>
> I cannot find something like this in grass.

Please try here:
http://www.grassbook.org/scripts/rcentroid.sh.txt

You may adapt it to your needs (and modernize it as well, it is
from the first edition of the book).

Best
Markus