[GRASS-user] Re: Import question

Glynn Clements glynn at gclements.plus.com
Thu Sep 23 10:45:07 EDT 2010

Hermann Peifer wrote:

> For quite a while, I used to always align the current region settings 
> with the base map before running r.reclass. After some time, I noted 
> that this isn't necessary, as the generated virtual map is always based 
> on the full extent of the base map and its original resolution.  I just 
> couldn't find this mentioned in the documentation.

A reclass map is just a reference to the base map and a list of
category mappings. It doesn't have a region of its own; e.g. if you
change the bounds of the base map via r.region, the bounds of the
reclass map will change to match.

Glynn Clements <glynn at gclements.plus.com>

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