[GRASS-user] Re: understanding r.watershed

[Markus Neteler]

On Mon, Feb 2, 2009 at 8:41 PM, Georg Kaspar <georg at geofs.de> wrote:
> On Mon, 02 Feb 2009 19:31:06 +0100 Markus Metz wrote:
>> Generally there is no need to purge the input DEM from depressions, why
>> do you insist on doing so?
>> The difference between purging a DEM and providing  an option
>> depression=<map with real depressions> has been explained before in this
>> thread [1], [2].
>
> sorry, the whole thing just makes me crazy. I have never done this kind
> of calculation but I need to do this right know in order to "transfer"
> excercises written for ArcGIS to GRASS (and in ArcGIS you need to purge
> those depressions...).
> So far, I found out that I could bring up a proper solution for any
> excercise using GRASS, but this whole watershed-thing keeps bothering
> me ;) Please excuse me repeating the same questions over and over again -
> I am also new to newsgroups ;)

All fine and welcome! Please collect relevant hints in the
GRASS Wiki (after registration pages can be edited or created).

Thanks
Markus