[GRASS-user] Re: Projrction and transformation

[Micha Silver]

kapo coulibaly wrote:

> Hi Ambrish,
>
> I found that what works for me is to create two different locations, 
> one with Lat-Long coordinate definition and one with UTM. Then use 
> r.proj or v.proj to import from your Lat-Long to your UTM location. 
> That way they line up perfectly because GRASS will reproject "on the 
> fly" between two locations with properly defined projection parameters.
What v|r.proj do is create a *new* data layer, a copy of the original, 
projected into the new CRS. So this is not really "on-the-fly" 
reporjection. Just a point of semanitics...
-- 
Micha
>
> Hope it helps
>
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