[GRASS5] [bug #2104] (grass) r.le.pixel improvement

[Request Tracker]

this bug's URL: http://intevation.de/rt/webrt?serial_num=2104
-------------------------------------------------------------------------

Subject: r.le.pixel improvement

Platform: GNU/Linux/i386
grass obtained from: Trento Italy site
grass binary for platform: Compiled from Sources
GRASS Version: 5.0.2 + r.series

On Mon, Sep 15, 2003 at 03:22:27PM +0200, Martin Wegmann wrote: 
> Hello,  
>  
> I did some analysis with r.le (especially r.le.pixel) for an ecological  
> project. And I would like to suggest another option in r.le, when doing  
> anaylsis in different scales (e.g. 1, 2, n pixel distance included in the  
> calculation), it would be very useful to do a " ring-analysis" instead of 
a  
> radius-analysis.  
> With the latter I can tell what's the e.g. mean of the core pixel plus the  
> pixel in a radius of 2 pixels like 
>  
> a a a a a 
> a b b b a 
> a b x b a 
> a b b b a 
> a a a a a 
>  
> but I can not tell what the mean in a certain distance is. this would be  
> pretty interesting for ecological research, e.g. if a species if affected 
by  
> the whole mean or by the mean of PP in a distance of x meter.  
>  
> a a a a a 
> a         a 
> a    x    a 
> a         a 
> a a a a a 
>  
> I hope I did not miss a reference to such a tool in the manual ;-) 
>  
> cheers Martin 
 

-------------------------------------------- Managed by Request Tracker