>you can only load raster A or raster B. oh, it's false, you can nviz elevation=et-000-000 at user1,et-000-001 at user1 ----- best regards Helmut -- View this message in context: http://osgeo-org.1560.n6.nabble.com/merge-2-ascii-DEM-grass-DEM-tp5044871p5044902.html Sent from the Grass - Users mailing list archive at Nabble.com.