On Fri, Apr 20, 2012 at 6:22 PM, Rich Shepard <[email protected]> wrote: > On Fri, 20 Apr 2012, Markus Metz wrote: > >> g.region res=10m -a
I meant g.region res=30 -a with 30 feet roughly equivalent to 10 meter >> r.resamp.stats in=dem_proj out=dem_10m method=average -w > > > What is the reason to run r.resamp.stats if the region's resolution has > been changed to that cell size? The resolution has been decreased, in this case several of the original cells fall into one new cell. A reasonably accurate new value can be obtained by using the average of all cells falling into a new cell. If on the contrary resolution is changed from e.g. 30 to 10 feet (increased), r.resamp.interp with bilinear or bicubic resampling would be a good choice. Markus M _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
