[Proj] help with invproj

[pw]

Naiara S. Pinto wrote:
> Hi folks,
> 
> I am a new user and I am trying to figure out how to use Invproj. Can
> anyone give me one example? I am trying something like
> 
> invproj +proj=utm +datum=WGS84 281392 2056212
> 
> to get Lat Long coordinates from my UTM coordinates. But I get the error #2.
> 
> Thanks a lot!
> 
> Naiara.
> 


Perhaps try one of the following:

echo "281392 2056212" | proj -I +proj=utm +ellps=WGS84 +zone=23

Or:

proj -I +proj=utm +ellps=WGS84 +zone=23  some_file_name.txt


You should change the value of +zone to the utm zone that is
relevant to your coordinates. I just put 23 in as an example.

Best Regards,

Peter G. Willis