[GRASS-user] patching images from different UTM zones (without shell script?)

[Michael Perdue]

You can try using the "-n" flag for r.proj to avoid region clipping or  
you can extend your region beyond the edges of the zone.

On 1-Apr-09, at 4:10 PM, Renae Mackas wrote:

>
> Hello GRASS users-
>
> I am trying to create a mosaic of LANDSAT taken of Eastern Hudson  
> Bay area using GRASS 6.3.0.  I have run into the problem though that  
> some of these images are from different UTM zones (16, 17, and 18).   
> Currently, I have been able to import images from the three UTM  
> zones into 3 different locations.  What I want to do is bring in the  
> images from zones 16 and 18 (currently imported into different  
> locations), and patch them with images from zone 17.  I have tried  
> re-projecting these images into the location for zone 17 using  
> r.proj, but when I do this, it cuts off parts of the images which  
> are not within zone 17.
>
> I have looked at previous posts on the forum, and have found some  
> advice (moving raster maps across UTM zone boundaries).  I have  
> never used shell script and am very new to GRASS, so the advice  
> given in this response is somewhat complex for me.  Are there any  
> suggestions of how best to mosaic images from different zones  
> without using shell script?
>
> Thanks in advance for any help,
>
> Renae Mackas
>
> -- 
> View this message in context: http://n2.nabble.com/patching-images-from-different-UTM-zones-%28without-shell-script-%29-tp2571892p2571892.html
> Sent from the Grass - Users mailing list archive at Nabble.com.
>
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