[GRASS-user] convert raster map from Lat-Long to UTM

[Moritz Lennert]

On 29/07/07 17:53, atlasis at telecom.ntua.gr wrote:
> Hi there,
> 
> I have a raster map in Lat-Long projection and everything is fine with it.
> However, I want to use r.los and since this module does not support
> lat-long projection, I want to convert this map to utm.
> 
> So, I created a new location, in utm projection, in the corresponding zone
> and then using the command r.proj I tried to reproject the map from the
> lat-logng location to the utm. However, this process fails and I receive
> the message:
> 
> GRASS_INFO_ERROR(2751,1): Input map is outside current region
> 
> I checked the regions in both location and they are exactly the same.
> 
> Then I tried to re-project a map from the Lat-Long location that is
> significantly smaller from the utm region that I want to use, and it
> failed again. So, I suspect that sthg else goes wrong.
> 
> Has anyone any idea how to overcome this problem or a link to a
> step-by-step procedure on how to convert a lat-long map to utm?

a solution:

http://grass.itc.it/pipermail/grassuser/2005-June/029169.html


and to understand the background of the problem:

http://grass.itc.it/pipermail/grassuser/2005-February/027933.html

Moritz