[GRASS-user] Re: r.region for intersection with vector map?

[Moritz Lennert]

On 12/03/12 05:57, Hermann Peifer wrote:
> On 12/03/2012 00:16, Helmut Kudrnovsky wrote:
>>
>> but r.region defines the extent of the whole raster map.
>>
>
> Why would one want to do this, compared to leaving the extent as
> detected during import?

Use cases might be:

- the file you import is not georeferenced, but you have elsewhere the 
information about where the corners should be

- your file was incorrectly georeferenced with a constant shift

And probably others...

Moritz