[PROJ] NATRF2022 in PROJ

Javier Jimenez Shaw j1 at jimenezshaw.com
Wed Apr 23 12:25:25 PDT 2025


Hi

Some people in the "NGS & CGS Binational Geospatial Software Developers
Summit" asked about having the new reference systems (and transformations)
in PROJ.

They will be there once they are published in EPSG (at least the compatible
pieces).

In the meantime we thought that including some of that stuff in an
auxiliary database could be doable. That would be out of any release, but
will let some people to test it in PROJ. At least what is doable with the
current PROJ source code (for instance, the dynamic part of the geoid model
cannot be represented with the current code).

I am working on a branch with such auxiliary db. I will write here soon
telling where exactly.
It will be completely unofficial, will not be included later in a release,
and may change at any time. As always, open source, so you can play with it
if you need/want.

Cheers
Javier.
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