[GRASS-user] Plateau / Flatbed detection

[Moskovitz, Bob]

Once you digest all this info, can you summarize it to the list?

Thanks!

> -----Original Message-----
> From: grass-user-bounces at lists.osgeo.org
> [mailto:grass-user-bounces at lists.osgeo.org]On Behalf Of 
> Daniel Victoria
> Sent: Friday, May 16, 2008 3:52 PM
> To: grass
> Subject: Re: [GRASS-user] Plateau / Flatbed detection
> 
> 
> Thanks for all the tips guys!
> 
> My first gut reaction was to get the slope and the look for the edges
> of the flatbeds and select only those edges that are close to a very
> flat place.
> 
> The problem is that if there is a big mountain with steep slope
> besides a plain, it will also be characterized as a flatbed.
> 
> I'll take a look at the r.terraflow TCI that Jonathan mentioned and
> all the other references sent
> 
> Cheers
> Daniel
> 
> On Fri, May 16, 2008 at 6:50 PM, Moskovitz, Bob
> <Bob.Moskovitz at conservation.ca.gov> wrote:
> > It would be cool to see something like the Topographic 
> Position Index(TPI) in GRASS.
> >
> > Details here:  
> http://www.jennessent.com/downloads/TPI-poster-TNC_18x22.pdf
> >
> >> -----Original Message-----
> >> From: grass-user-bounces at lists.osgeo.org
> >> [mailto:grass-user-bounces at lists.osgeo.org]On Behalf Of
> >> Daniel Victoria
> >> Sent: Friday, May 16, 2008 12:48 PM
> >> To: grass
> >> Subject: [GRASS-user] Plateau / Flatbed detection
> >>
> >>
> >> Hi all,
> >>
> >> Has anybody done or heard off a plateau (flatbed) detection? I'm
> >> trying to automatically detect these features (Brazilian chapadas -
> >> http://en.wikipedia.org/wiki/Chapada ) using SRTM. Anyone knows if
> >> it's possible?
> >>
> >> Many thanks
> >> Daniel
> >> _______________________________________________
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> >> grass-user at lists.osgeo.org
> >> http://lists.osgeo.org/mailman/listinfo/grass-user
> >>
> >
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