Hi Micha, that was exactly what i needed to know :-) I will now contemplate if editing the header is worth the effort... Thanks, Levent -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Editing-the-world-file-tp5829927p5830088.html Sent from the qgis-user mailing list archive at Nabble.com.