[postgis-users] Axis switching in transform from SRID 4326 to 3006 (Sweref99 TM) with PostGIS 3.1.3
David Stenwall
david.stenwall at icloud.com
Tue Jul 20 17:02:58 PDT 2021
Hi
Ok, so I _think_ I have the same issue as in https://trac.osgeo.org/postgis/ticket/4949 <https://trac.osgeo.org/postgis/ticket/4949> since Sweref99 is also an N/E-type projection, also the National Projection of Sweden. I tried updating to 3.1.3 but no success.
I’m using ST_Transform to convert between lat/long and Sweref99 but the axis get reversed and a point in sweden ends up in the Indian ocean.
I’m using
"POSTGIS=""3.1.3 008d2db"" [EXTENSION] PGSQL=""130"" GEOS=""3.9.1-CAPI-1.14.2"" PROJ=""7.2.1"" LIBXML=""2.9.10"" LIBJSON=""0.15"" LIBPROTOBUF=""1.4.0"" WAGYU=""0.5.0 (Internal)"" TOPOLOGY"
Example
SELECT ST_AsText(ST_Transform('SRID=3006;POINT(675117 6580677)', 4326)) // Sweden National Museum
returns
"POINT(62.973291540292465 4.080735770719003)” // Somewhere east of Africa
That should be long/lat 18.078113 59.328482 according to epsg.io <http://epsg.io/>
So am I missing something or is the fix in 3.1.3 not working or is this a similar problem but not the same thing?
Regards
David
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