> Your point ordering is counter clockwise. That's not relevant. GDAL doesn't care. Some formats do (shapefile), but GDAL will fix winding order at the driver level. At the API level, users are free to use whatever order they want.
>Also, I think you need to set the spatial reference of the ring. That's not needed. At first sight, Ahmet's code snippet looks good. There must be something else not shown that cause the issue. On Linux, I would use Valgrind to spot the issue. Even -- Spatialys - Geospatial professional services http://www.spatialys.com
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