[gdal-dev] [ogr2ogr] Anti-meridian issue when reprojecting from a Polar Stereographic projection to a geographic CRS

[Even Rouault]

Hi,

this issue will be fixed per https://github.com/OSGeo/gdal/pull/13243

Even

Le 14/10/2025 à 14:50, Andrey VI via gdal-dev a écrit :
> Hello.
> I can't reproject data from a Polar Stereographic projection 
> (EPSG:3996)to a geographic projection (EPSG:4326) correctly using 
> ogr2ogr. Command:
> ogr2ogr -t_srs EPSG:4326 -wrapdateline polys_4326.shp polys.shp
> ERROR 1: IllegalArgumentException: Points of LinearRing do not form a 
> closed linestring ERROR 1: IllegalArgumentException: Points of 
> LinearRing do not form a closed linestring ERROR 1: 
> IllegalArgumentException: Points of LinearRing do not form a closed 
> linestring ERROR 1: IllegalArgumentException: Points of LinearRing do 
> not form a closed linestring ERROR 1: IllegalArgumentException: Points 
> of LinearRing do not form a closed linestring ERROR 1: 
> IllegalArgumentException: Points of LinearRing do not form a closed 
> linestring
> As a result some polygons are broken and also some polygons appears 
> with artifacts.
> The data used and the result (58 MB): 
> https://drive.google.com/file/d/176jtROjjeTlAQTITAJ75tBT1GwiUzSUm/view?usp=sharing.
> How to reproject from a projection naturally crossing the 
> anti-meridian to a geographic CRSwithout any errors using ogr2ogr?
> --
> Andrey
>
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> gdal-dev at lists.osgeo.org
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-- 
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