[gdal-dev] Rv: How to determine +towgs84

Jean-Claude Repetto jrepetto at free.fr
Tue May 10 02:19:11 EDT 2011

On 05/10/11 00:55, jose perez wrote:
> Hello.
> How to determine the +towgs84 parameters required to do accurate
> coordinate transformations? I know there's a file (named epsg) which
> contains a list, but in order to use I think I need the EPSG code.


You can find the transformation parameters in the EPSG database, that is 
available for download at http://www.epsg.org/ .


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