[PROJ] Geo TIFF non-ASCII encodings

[Even Rouault]

Hi,

OGC GeoTIFF mostly formalizes the historical GeoTIFF 1.0 specification 
from 1995, and UTF-8 at that time was still in its youth years. Not to 
be mentioned that GeoTIFF was initially developed by NASA' JPL, so I 
assume ASCII was good enough at that time for their purpose. As far as I 
can see all EPSG CRS names as currently only use ASCII. It is true 
though that WKT CRS potentially allows for more than ASCII for CRS name, 
but only in the Latin1 character set.

Anyway this would be more a topic for an issue at 
https://github.com/opengeospatial/geotiff/issues . I've added a note to 
the existing 
https://github.com/opengeospatial/geotiff/issues/56#issuecomment-2039505940

Even

Le 05/04/2024 à 12:44, Mircea Neacsu via PROJ a écrit :
> Hello,
>
> I had to read a bit deeper the Geo TIFF 1.1 standard and I was quite 
> surprised to see that in doesn't allow any character representation 
> outside the 7-bit ASCII text. Am I missing something?
>
> In particular CitationGeoKeys that are mandatory in certain cases do 
> not allow for anything other than ASCII text. Seems a bit strange for 
> an international standard.
>
> -- 
>
> Mircea Neacsu
>
>
>
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