= method ''simulate'' of the class [http://flc.web.lal.in2p3.fr/mdi/BBSIM/guineapig++Prod/guineapig++trunk/doc/html/class_guinea.html '''GUINEA''' ] =


after some initalizations (set_simulation, set_beams_and_grids, set_output_data_and_files)  the step by step simulation is launched by one of 2 methods of GUINEA  : 
 * if pair tracking is required : [wiki:guiNeaPig/BeamInteraction beam_interaction_with_trackpair]
 * else : [wiki:guiNeaPig/BeamInteraction beam_interaction]