[gdal-dev] Finnish KKJ and MapInfo MIF with GDAL 3.1

Even Rouault even.rouault at spatialys.com
Mon May 18 06:35:19 PDT 2020

On lundi 18 mai 2020 13:23:48 CEST Rahkonen Jukka (MML) wrote:
> Thanks, Even.
> EPSG:2393 is a Northing-Easting system and I read
>     assert wkt ==
> 'PROJCS["unnamed",GEOGCS["unnamed",DATUM["Kartastokoordinaattijarjestelma_1
> 966",SPHEROID["International
> 1924",6378388,297]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,
> AUTHORITY["EPSG","9122"]]],PROJECTION["Transverse_Mercator"],PARAMETER["lati
> tude_of_origin",0],PARAMETER["central_meridian",27],PARAMETER["scale_factor"
> ,1],PARAMETER["false_easting",3500000],PARAMETER["false_northing",0],UNIT["m
> etre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH
> ]]'
> It is in the test and I don't know if it can make trouble for users.

That should be fine. At least for reprojection purposes. On reading, the driver doesn't try to 
match with a EPSG CRS. It builds a custom SRS. So it can decide which axis order is fine (here 
the "traditional" one) and advertize it consistently in the data axis to CRS axis mapping


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