Hi Ari, So do you think the dgn file is wrong ? Thanks and kind regards, Tai -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Asking-about-Convert-Dgn-to-Shp-and-OGRLayer-SetSpatialFilter-tp5057280p5057658.html Sent from the GDAL - Dev mailing list archive at Nabble.com.