Contour lines to DEM
About
#nc_spm_08
g.region vect=elev_lid792_cont1m g.region res=1 -ap
d.mon x0 d.vect elev_lid792_cont1m -z zcolor=elevation v.to.rast in=elev_lid792_cont1m out=elev.1mcont \ type=line column=level r.mapcalc "elev.1mcont.100k = elev.1mcont * 100000"
r.surf.idw
(and r.surf.idw2)