Extracting smaller raster images from big ones

[Malcolm Williamson]

Change your region to reflect the geographic boundaries and cell 
resolution that you want, and then use r.resample. Piece of cake!
	-Malcolm

On Thu, 10 
Oct 1996, Harini Nagendra wrote:

> Help! I don't know if this is an obvious question, but I have been 
> searching the Grass manual and can't find an answer - I have large raster 
> images and want to extract smaller ones from them for the purpose of 
> supervised classification. How do I do this? I have the coords of the 
> smaller images I want. Defining smaller regions doesn't help, since 
> i.class doesn't take a region name, it simply loads the entire image !
> Please help.... I don't want to export to IDRISI, then extract, and then 
> reimport, as that would take rtoo much time.
> Thanks a lot
> Harini
> 
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