Eric wrote: > I didn't know r.fillnulls was a script, as I've never used it before. > Maybe I could take a look at using other interpolation methods as you > suggest. see- M. Neteler. SRTM and VMAP0 data in OGR and GRASS. GRASS Newsletter, 3:2-6, June 2005. ISSN 1614-8746. Hamish