Thank you! I just overlooked r.in.xyz, but it does a really good job; so i will stick to this command. Greetings, Levent -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Extract-single-pixels-with-r-mapcalc-tp5935168p5976458.html Sent from the Grass - Users mailing list archive at Nabble.com.