[GRASSLIST:3590] Re: r.drain

Ivan Marchesini marchesini at unipg.it
Fri Apr 26 04:22:46 EDT 2002


Hy Markus,

I have installed the bynary:

grass5.0.0pre3_i686-pc-linux-gnu_bin.tar.gz

By
Ivan




----- Original Message -----
From: "Markus Neteler" <neteler at itc.it>
To: "grasslist" <grasslist at baylor.edu>
Sent: Wednesday, April 24, 2002 6:00 PM
Subject: [GRASSLIST:3580] Re: r.drain


> 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
>



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