[MetaCRS] publishing grid shift files

[Sebastiaan Couwenberg]

On 12-08-15 10:33, Sebastiaan Couwenberg wrote:
> On 12-08-15 09:06, Siki Zoltan wrote:
>> i'm new to this list. At the Budapest University (Hungary) we have
>> created two grid shift files for proj.4 for our local CRS (HD72/EOV
>> EPGS:23700), one for the horizontal coordinates (etrs2eov_notowgs.gsb)
>> and one for the elevations (geoid_eth2014.gtx).  We would like to
>> publish them on the proj.4 website, too. These grid shift files are
>> available on our github page:
>> https://github.com/OSGeoLabBp/eov2etrs
> 
> It's great that it's published under the GPL-2+, most national grid
> shift files limit modification like the EPSG dataset does.
> 
> I'd love for other national grids to follow your example.
> 
>> Is it possible? Can you help me?
> 
> I would start by linking to the Hungarian datum shift grid from the
> PROJ.4 wiki where many of the other national grids are listed too:
> 
> https://github.com/OSGeo/proj.4/wiki

PS. Since the Hungarian grid is freely licensed, it may also be a good
idea to include it in the proj-datumgrids tarball. 1.6RC1 is out for
some time, maybe including the Hungarian grid is a good reason to
finalize the release.

Kind Regards,

Bas

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