I have some Lidar-derived lat/lng/elevation points in Austria in EPSG:9274 <https://epsg.io/9274> that I want to convert to EPSG:5778 <https://epsg.io/5778>. I gather this is done by applying the offsets from a particular model called the "Höhengrid", which I found at https://cdn.proj.org/. These points are locations and heights of mountains, and I want to convert them to EPSG:5778 because that's what's used on the BEV Austrian topographic maps.
I get this error when I try to do the conversion: echo 46.642970 12.792060 2513.98 | cs2cs +init=epsg:9274 +to +init=epsg:5778 DeprecationWarning: PROJ_LIB environment variable is deprecated, and will be removed in a future release. You are encouraged to set PROJ_DATA instead. proj_crs_get_geodetic_crs: CRS has no geodetic CRS Rel. 9.3.1, December 1st, 2023 <cs2cs>: cannot initialize transformation cause: Unknown error (code 4096) program abnormally terminated What does "CRS has no geodetic CRS" mean, and how do I fix it? (Also, if anyone knows more about why these two different EPSGs exist, I am curious. One is for maps and one is for "scientific purposes" but I don't know what that means in practice.) ---Andrew
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