Hi Gabriel, On Fri, Nov 8, 2013 at 1:54 AM, Gabriel Zorello Laporta <[email protected]> wrote: > I am using ArcInfo Workstation and Grid in order to to produce Gaussian > functions of elevation from a DEM with minimum value at 800m, as follow: > > elev_x800 = elev90 - 800 > elev_x800sq = pow(elev_x800, 2) > elev_x800sqn = -1 * elev_x800sq > elev_x800sqnd = elev_x800sqn / 500000 > elev_x800exp = exp(elev_x800sqnd) > elev_x800gaus = elev_x800exp * 0.000798 > elev_x800gi = (elev_x800gaus * -11330) + 10.044 > > > I was wondering how to apply that in GRASS (because I want to move towards > Open Software). Can you help me?
You can use r.mapcalc: r.mapcalc expression="elev_x800 = elev90 - 800" You can see more info about raster algebra, here: http://grass.osgeo.org/grass64/manuals/r.mapcalc.html Have a nice day. Pietro _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
