BeamParameters.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
 
import basf2
from beamparameters import add_beamparameters
 
# small example to show how to set BeamParameters
 
main = basf2.create_path()
main.add_module("EventInfoSetter", expList=0, runList=1, evtNumList=10000)
 
# add beamparameters with named preset
beamparameters = add_beamparameters(main, "Y4S")
 
# override preset however you like
beamparameters.param("covHER", [0.01, 0.01, 0.01])
beamparameters.param("smearDirection", False)
 
# print parameters to be used
basf2.print_params(beamparameters)
 
# add generator, simulation, analysis, and so forth
main.add_module("RootOutput", outputFileName="BeamParameters.root")
 
basf2.process(main)