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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