pamshadedrelief

Generate a shaded relief from an elevation map. See also: pamcrater, ppmrelief. More information: https://netpbm.sourceforge.net/doc/pamshadedrelief.html.

pamshadedrelief < path/to/input.pam > path/to/output.pam

pamshadedrelief -gamma factor < path/to/input.pam > path/to/output.pam