[GRASSLIST:295] Re: Extracting roads from a sat image (ECW)

[Jachym Cepicky]

hi,
what about i.gensigset & i.smap ?

jachym

On Tue, Mar 21, 2006 at 06:39:26PM +0000, Luca Casagrande wrote:
> Hi guys!
> Anyone has ever try a procedure to extract roads from a sat image (ECW 
> imported, in my problem)? I am doing some test with r.mapcalc and RGB with if 
> condition...any other ideas?
> 
> Thx
> Luca
> -- 
> "E' molto pi? bello sapere qualcosa di tutto, che tutto di una cosa (Blaise 
> Pascal)."
> 
> GENTOO-GIS Development Team
> jabber: casagrande at jabber.linux.it
> 
>  
> 

-- 
Jachym Cepicky                                  
e-mail: jachym.cepicky at centrum.cz           
URL: http://les-ejk.cz                      
GPG: http://les-ejk.cz/gnupg_public_key/    
-----------------------------------------   
OFFICE:                                     
Department of Geoinformation Technologies   
LDF MZLU v Brně                             
Zemědělská 3                                
613 00 Brno                                 
e-mail: xcepicky at node.mendelu.cz            
URL:    http://mapserver.mendelu.cz
Tel.:   +420 545 134 514