Hi, 2012/1/16 Helena Mitasova <hmitaso at ncsu.edu>: > one more observation: > > r.mapcalc "diff = elev_ned10m_bil-elev_ned10m_bic" > runs from command console in GRASS7.0 but does not run in GRASS6.4.2RC3 please try r50212. Martin -- Martin Landa <landa.martin gmail.com> * http://geo.fsv.cvut.cz/~landa