Unfortunately, the result is still incorrect.
The empty areas are still here around 88-89°N and some polygons are still
broken (for example at -67°W, 76°N):
Example .
These polygons turned out to be hidden under others, although in the original
data all polygons are adjacent but not overlapping. Not sure if this is a
result of reported errors or a separate issue.
>Tuesday, October 14, 2025 4:48 PM +03:00 from Rahkonen Jukka <
>[email protected] >:
>
>Hi,
>
>This command prints also 6 error lines, but at least the result does not have
>empty areas:
>
>ogr2ogr -t_srs epsg:4626 -wrapdateline -datelineoffset 180 foo3.shp polys.shp
>
>I do not know if the result is correct or not, just that it is different.
>
>-Jukka Rahkonen-
>
>
>________________________________________
>Lähettäjä: gdal-dev < [email protected] > käyttäjän Andrey VI
>via gdal-dev < [email protected] > puolesta
>Lähetetty: Tiistai 14. lokakuuta 2025 15.50
>Vastaanottaja: [email protected] < [email protected] >
>Aihe: [gdal-dev] [ogr2ogr] Anti-meridian issue when reprojecting from a Polar
>Stereographic projection to a geographic CRS
>
>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.shpERROR
>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.[X]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 CRS without any errors using ogr2ogr?--Andrey
--
Andrey VI
Sent from Mail
_______________________________________________
gdal-dev mailing list
[email protected]
https://lists.osgeo.org/mailman/listinfo/gdal-dev
