On Jan 25, 2008 2:31 PM, Sangharsh Rao <sangharshrao at gmail.com> wrote: > i am an archaeologist and want to make DEM of the sites of which contour > plan have already been made See if you can get answer from: http://www.slideshare.net/hsrai/grassy-gis/ -- H.S.Rai http://hs.raiandrai.com/