[GRASSLIST:3580] Re: r.drain

[Markus Neteler]

Hi Ivan,

On Wed, Apr 24, 2002 at 03:49:18PM +0200, Ivan Marchesini wrote:
> Hi all grass users
> I've got a problem with r.drain.

which GRASS version are you using?
g.version
will tell you.

Markus

> I've created a DTM of my studied area and I tried to run r.drain over it
> I hope this is correct.... :-)
> the problem is that after a little path the segment created by r.drain
> stops. I went to see where it stops, and I saw that there were cells, around
> the last cell of the segment created, which had the same integer value of
> elevation but bigger decimal values (ie 275.7 against 275.8). The area I'm
> studing is large 140 kmq and I use a grid resolution of 5 X 5 meters. Do you
> think I have to try to increase the resolution??? or there are some other
> problems I don't know....?
> Thanks to all
> 
> Bye
> Ivan