[PROJ] CRS aliases

[Javier Jimenez Shaw]

Hi

After the last EPSG update, I noticed that Korea renamed their vertical and
geographic CRSs. They keep the old ones as aliases.
(BTW, anybody from Korea here? It would be nice if they make their geoid
model file public [KNGeoid18]. They have the transformation method in EPSG!)

To list all the CRS names I am using  "getCRSInfoList". Great method.
In some cases I would like to include also all the aliases (more than 10000
for projected crs). So you can still find the CRS with the name you used
all your live. (I'm sure many people do not know that their authority
renamed a CRS).

However I am not able to get them. The method "IdentifiedObject::aliases()"
for a CRS is returning an empty vector, and the method
"DatabaseContext::getAliases(...)" has a "PROJ_INTERNAL" flag that makes it
unlinkable.

Am I doing something wrong with "IdentifiedObject::aliases()"? Is there any
other way to do it?

Thanks.
Javier.

PS: EPSG:32766, projected, has an alias
.___ ._ ..._ .. . ._.  .___ .. __ . _. . __..  ... .... ._ .__
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