questions

[Lihong Zhang]

Hi Nicola

thanks for your advice. I know tapes have no the function to delineate
subbasin, but just calculate areas. I am trying to use r.watershed now.


lihong


On Tue, 24 Aug 1999, Nicola Fohrer wrote:

> Hi,
> you might find the Shareware TOPAZ from Gabrecht and Martz helpful to 
> delineate subbasins. The output is in ascii format and no big trouble 
> to import that into a GIS. Another option might be the r.watershed 
> comand in GRASS.
> Nicola
> 
> 
> > Hi everyone
> >  
> > I am a graduate student at the university of arizona, I want to use DEMON
> > algorithm to delineate subbasin, the software I am using is Arc/Info. But
> > so far, this algorithm has not been combined with arc/Info. I want to use
> > this method by GRASS, and then change the result fime to Arc/Info format,
> > I just know a little about GRASS. would you like give me some suggestion
> > and answer the following questions:
> > 1. is this idear pratical? i.e. is there the function to delineate
> > subbasin by DEMON algorithm in GRASS?
> > 2. how to change Arc/info data format into GRASS format
> > 3. how to use this algorithm
> >  
> >  hope to receive your early reply
> >  
> >  thanks 
> >  ----------------------
> >  Lihong Zhang
> >  
> > 
> > 
> > 
> > 
> 
> 
> ********************************
> Dr. sc. agr. Nicola Fohrer
> Wissenschaftliche Assistentin
> Institut fuer Landeskultur
> Senckenbergstr. 3
> 35 390 Giessen
> Tel:0641/99 37385
> Fax:0641/99 37389
> email:Nicola.Fohrer at agrar.uni-giessen.de
> 
> 

----------------------
Lihong Zhang