I solved the problem after that post! Crazy but true! I had to set g.region before. Now its working perfectly! Anyhow, Thanks! Martin -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/r-contour-with-ASTER-DGM-Fail-tp6055573p6055638.html Sent from the Grass - Win mailing list archive at Nabble.com.