with a sites file then do either s.surf.idw or s.surf.tps.
Both create a surface file but tps takes a lot longer and with possibly better results.
then r.contour which produces a vector contour map of interpolated contours from the
surface file.
_____________________________________________________________________
| |
| Tom Nelson |
| Corps of Engineers |
| Fort Worth, Texas |
| (817) 334-2095 |
| |
| tom%alla@[155.84.92.2] |
|____________________________________________________________________|