> I found neccessary command to generate contours from DEM. > > But after generating contours using r.contours. d.vect gives: > > GRASS_INFO_WARNING(10978,1): coor files of vector 'elv2_cont3 at orkun' > is larger than it should be (14 bytes excess). > > > what can I do ? try v.build and/or v.clean to fix any errors in vector maps. Hamish