Javier,
digging a bit, there's a bit of back & forth history involved.
Originally, PROJ returned the short name as the extent description . But
then
https://github.com/OSGeo/PROJ/commit/3ed9a613d8da9874f45d2a069686f1fa38c72ad9
came: "Database: use extended description for extent/area of use, as
done by epsg.org WKT export"
EPSG apparently changed again their mind later since I see now that in
their WKT output there's no longer any USAGE[] node.
So basically the object model of osgeo::proj::metadata::Extent should
likely be extended with a shortName() getter (the corresponding GeoAPI
class that serves as the inspiration,
http://www.geoapi.org/3.0/javadoc/org.opengis.geoapi/org/opengis/metadata/extent/Extent.html,
has a single getDescription()), a C binding to get it (likely
proj_get_area_of_use_ex2()), and
AuthorityFactory::Private::createPropertiesSearchUsages() be modified to
populate it.
Even
Le 18/07/2023 à 00:52, Javier Jimenez Shaw a écrit :
Hi
I have realized that extents have a name and a description. For
instance NAVD88 has a short name "North America - Mexico and USA -
onshore" and a long description:
"Mexico - onshore. United States (USA) - CONUS and Alaska - onshore -
Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut;
Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas;
Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan;
Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New
Hampshire; New Jersey; New Mexico; New York; North Carolina; North
Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South
Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia;
Washington; West Virginia; Wisconsin; Wyoming."
https://epsg.org/crs_5703/NAVD88-height.html
In PROJ I can find only the description in
"osgeo::proj::metadata::Extent::description" or in
"osgeo::proj::io::AuthorityFactory::CRSInfo::areaName" (yes, this is
the description, not the name)
Is there a way to get the (short) name?
Thanks.
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