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# ==========================================================================
# AIDA Detector description implementation
# --------------------------------------------------------------------------
# Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
# All rights reserved.
#
# For the licensing terms see $DD4hepINSTALL/LICENSE.
# For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
#
# ==========================================================================
#
#
from __future__ import absolute_import, unicode_literals
import os
import time
import DDG4
from DDG4 import OutputLevel as Output
from g4units import GeV, MeV, m, cm
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#
#
"""
dd4hep simulation example setup using the python configuration
@author M.Frank
@version 1.0
"""
def run():
args = DDG4.CommandLine()
kernel = DDG4.Kernel()
install_dir = os.environ['DD4hepExamplesINSTALL']
kernel.loadGeometry(str("file:" + install_dir + "/examples/ClientTests/compact/FiberTubeCalorimeter.xml"))
DDG4.importConstants(kernel.detectorDescription(), debug=False)
geant4 = DDG4.Geant4(kernel, tracker='Geant4TrackerCombineAction')
geant4.printDetectors()
# Configure UI
if args.macro:
ui = geant4.setupCshUI(macro=args.macro)
else:
ui = geant4.setupCshUI()
if args.batch:
ui.Commands = ['/run/beamOn ' + str(args.events), '/ddg4/UI/terminate']
# Configure field
geant4.setupTrackingField(prt=True)
# Configure Event actions
prt = DDG4.EventAction(kernel, 'Geant4ParticlePrint/ParticlePrint')
prt.OutputLevel = Output.DEBUG
prt.OutputType = 3 # Print both: table and tree
kernel.eventAction().adopt(prt)
generator_output_level = Output.INFO
# Configure G4 geometry setup
seq, act = geant4.addDetectorConstruction("Geant4DetectorGeometryConstruction/ConstructGeo")
act.DebugMaterials = True
act.DebugElements = False
act.DebugVolumes = True
act.DebugShapes = True
seq, act = geant4.addDetectorConstruction("Geant4DetectorSensitivesConstruction/ConstructSD")
# Configure I/O
geant4.setupROOTOutput('RootOutput', 'FiberTubeCalorimeter_' + time.strftime('%Y-%m-%d_%H-%M'))
# Setup particle gun
gun = geant4.setupGun("Gun", particle='e+', energy=50 * GeV, multiplicity=1, position=(0.0, 0.0, -364.0*cm))
gun.OutputLevel = generator_output_level
# And handle the simulation particles.
part = DDG4.GeneratorAction(kernel, "Geant4ParticleHandler/ParticleHandler")
kernel.generatorAction().adopt(part)
part.SaveProcesses = ['Decay']
part.MinimalKineticEnergy = 100 * MeV
part.OutputLevel = Output.INFO # generator_output_level
part.enableUI()
user = DDG4.Action(kernel, "Geant4TCUserParticleHandler/UserParticleHandler")
user.TrackingVolume_Zmax = 3.0 * m
user.TrackingVolume_Rmax = 3.0 * m
user.enableUI()
part.adopt(user)
geant4.setupCalorimeter('FiberTubeCalorimeter')
# Now build the physics list:
phys = geant4.setupPhysics('QGSP_BERT')
phys.dump()
geant4.execute()
if __name__ == "__main__":
run()