> This is my first question as already mentioned in other threads, gdalinfo your.tif should always be your first step. ias GRASS is based upon GDAL, the gdalinfo oztput is needed to understand how GDAL sees the tif raster data. ----- best regards Helmut -- Sent from: http://osgeo-org.1560.x6.nabble.com/Grass-Users-f3884509.html