usage: prog <topic> [contains]
Interactive help on a variety of the eman2 library's modular functions. The optional 'contains' argument will
act as a filter on the names of the algorithms. Help is available on the following topics:
boxsizes, processors, cmps, aligners, averagers, projectors, reconstructors, analyzers, symmetries, orientgens, rotationtypes, imagetypes

Option Type Description
--version None show program's version number and exit
--gui None Use the GUI for display help
--ppid int Set the PID of the parent process, used for cross platform PPID
--verbose, -v int verbose level [0-9], higher number means higher level of verboseness