Produces various PixMap (PPM) files used for calibrating pnm2ppa.
The size of a full-page PixMap is 100MB!!. These PixMaps should be piped directly to pnm2ppa, except in the case of the -g option, where the PixMap should be viewed or printed by other means.
This manual page was written by Chad C. Walstrom <email@example.com>, for the Debian GNU/Linux system (but may be used by others).
pnm2ppa(1), magicfilter(8), apsfilter(8)