gemc can be configured using:

• command line options
• steering cards

For example:

gemc -gui example.jcard

will launch gemc using the command line option -gui (which activates the graphical user interface) and the directives specified in the steering card ‘example.jcard’

JCards

The gemc steering cards are JSON files the extentson .jcard, with comments added using the # sign. An example of jcard:

Complete List of gemc options

The following is the output of gemc -h. Soon this help will be better formatted to be displayed online.