pierluigi de rosa wrote: > > I need to reduce the area in a raster map. I should do something > similar to the opposite of r.grow. I tried a method combinig r.null > and r.neighbors (option minimum) but maybe it exist a better way to > do this.
use r.mapcalc to make a "negative" mask, then use r.grow, then r.mapcalc again to make a positive from the grown negative. Hamish _______________________________________________ grassuser mailing list [email protected] http://grass.itc.it/mailman/listinfo/grassuser
