Hi, If you have defaultGeoSys.SetWellKnownGeogCS("EPSG:4326") then perhaps units are supposed to be in degrees. -Jukka Rahkonen- -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Simple-circle-in-OGR-tp5294053p5294064.html Sent from the GDAL - Dev mailing list archive at Nabble.com.