[GRASSLIST:7451] Re: r.terraflow failured

[Hamish]

orkun wrote:
> >>At first time I tried to run r.terraflow in a small test area. I
> >>failured. It gave this error:
> >>
> >>r.terraflow elev=el_5  filled=el5-filled  dir=el5-mfdir
> >>swatershed=el5-watershed accumulation=el5-accu tci=el5-tci
> >>
> >>assigning directions on plateaus
> >>File size limit exceeded
> >>
> >>
> >>Could you tell me why ?

David Finlayson wrote:
> >r.terraflow makes large temp files during the operation. Check the
> >STREAM_DIR (defaults to /var/tmp) you assigned I would bet that one
> >of those temp files exceeded 2 Gb. That seems to be the filesize
> >limit on my distribution of linux.
> >
> >Davids

orkun wrote:
> thank you
> You are right.
> that file made my disk full.
> Although I used a small region for testing purposes. It produced
> giantic files.
> I do not know what will happen if I use whole region ?
> 
> what do you suggest ?


Try it and see what happens! (It has always worked for me)
Worst case you run out of disk space again. Maybe the resolution was 
set way too high?

How big was the region that failed? (output of 'g.region -p'?)



Hamish