[GRASS5] How to calculate maximum & minimum elevation across a raster?

I need to calculate maximum and minimum elevation between any point on a landscape and a coastline. I can get total, cumulative elevation, but can’t figure out how to get maximum or minimum. Any ideas?

Michael


Michael Barton, Professor of Anthropology
School of Human Evolution and Social Change
Arizona State University
Tempe, AZ 85287-2402

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton