[GRASS-dev] what does zoom= do?

[Hamish]

Michael Barton wrote:
> What does zoom= do in g.region?
> 
> I tried a couple tests and it seemed to have no effect at all.

say you have a mostly NULL map with some data in the middle.
'g.region zoom=rastermap' first does like 'g.region rast=' then shrinks
in  on all sides until it hits some data.


Hamish



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