Just another (incomplete) idea!
On Fri, 2008-02-08 at 10:19 -0200, Daniel Victoria wrote:
> Maybe something like this...
>
> For each catchment you run r.info -r to get the highest and lowest
> value of the DEM (use a MASK for the catchment and r.info -r DEM).
>
> Then, with r.mapcalc you select
Maybe something like this...
For each catchment you run r.info -r to get the highest and lowest
value of the DEM (use a MASK for the catchment and r.info -r DEM).
Then, with r.mapcalc you select the highest and lowest areas that you
obtained with r.info. After that you can vectorize the areas sel
Thanks Richard,
but elevation data is on a raster map.
The idea I had was to generate point vector files with the highest and
lowest point and then generate the colums with y and y coordinates...
but it seems to me like a complicated way and I was wondering if there
is a possibility to do that
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