Hi,
There is a PROJ-data repository https://github.com/OSGeo/PROJ-data/ that
contains lots of public grid-shift files, including
https://github.com/OSGeo/PROJ-data/blob/master/es_ign/es_ign_SPED2ETV2.tif.
You can check from your local Proj data directory if the grid shift file is
installed or
Hi Javier,
It is true that the ED50 is a very old system, and that it is hardly used, but
I came across this case and the lack of precision shocked me (they are more
than 9 m), I know the grid that you suggest ((es_ign_SPED2ETV2.tif)) and it is
the one that is currently used with everything rela