pamshadedrelief
Generate a shaded relief from an elevation map.
See also: pamcrater, ppmrelief.
More information: https://netpbm.sourceforge.net/doc/pamshadedrelief.html.
- Generate a shaded relief image with the input image interpreted as an elevation map:
pamshadedrelief < path/to/input.pam > path/to/output.pam
- Gamma adjust the image by the specified factor:
pamshadedrelief -gamma factor < path/to/input.pam > path/to/output.pam