[PROJ] Area of usage (short) name

[Javier Jimenez Shaw]

My use case is (I want to think) simpler.

Search for "incheon height" in epsg.org:
https://epsg.org/search/by-name?sessionkey=syx74l2mwn&searchedTerms=incheon+height
You can see "KVD1964 height", that was called before (just a few days ago)
"Incheon height" (now under Naming System "EPSG alias").
If PROJ is my access to EPSG db, I would like to be able to perform that
search somehow. I do not mind if I have to iterate (once) the whole
catalogue to create a map.

Javier

On Sat, 22 Jul 2023, 10:35 Martin Desruisseaux, <
martin.desruisseaux at geomatys.com> wrote:

> Le 21/07/2023 à 18:48, Even Rouault a écrit :
> >
> > I don't think EPSG extent short names qualify as identifiers. They
> > might be altered between EPSG releases. Only their EPSG code is a true
> > (ie unmutable) identifier.
> >
> True, but this is true for CRS name as well, and nevertheless ISO 19111
> defines the type of those names as MD_Identifier. I agree that this is a
> bit surprising. A possible rational is that MD_Identifier contains a
> `version` attribute. so while the identifier code alone is ambiguous and
> unstable, the (code, version) or (namespace, code, version) tuples are
> more stable.
>
>      Martin
>
>
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