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

[Jean-Claude Repetto]

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.

Hello,

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

Jean-Claude