async_display.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
 
# example steering file to produce events and show them in the display
# without stopping the simulation.
# event data is buffered in shared memory, previous events may be overwritten
# once the buffer is full.
 
from basf2 import *
from simulation import add_simulation
from reconstruction import add_reconstruction
 
# register necessary modules
eventinfosetter = register_module('EventInfoSetter')
eventinfosetter.param('evtNumList', [5000])
 
main = create_path()
 
# add modules to paths
main.add_module(eventinfosetter)
main.add_module('ProgressBar')
 
main.add_module('EvtGenInput')
 
# (no ECL because of unsupported solids)
components = [
    'MagneticField',
    'BeamPipe',
    'PXD',
    'SVD',
    'CDC',
    'TOP',
    'ARICH',
    'EKLM',
    'BKLM',
]
add_simulation(main, components)
 
# reconstruction
add_reconstruction(main, components)
 
# default parameters
display = register_module('AsyncDisplay')
# make some room in the buffer when full
display.param('discardOldEvents', True)
main.add_module(display)
 
process(main)
print(statistics)