Back to home page

EIC code displayed by LXR

 
 

    


File indexing completed on 2025-01-30 09:17:45

0001 # ==========================================================================
0002 #  AIDA Detector description implementation
0003 # --------------------------------------------------------------------------
0004 # Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
0005 # All rights reserved.
0006 #
0007 # For the licensing terms see $DD4hepINSTALL/LICENSE.
0008 # For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
0009 #
0010 # ==========================================================================
0011 #
0012 #
0013 from __future__ import absolute_import, unicode_literals
0014 import os
0015 import time
0016 import DDG4
0017 from DDG4 import OutputLevel as Output
0018 from g4units import GeV, MeV, m, cm
0019 #
0020 #
0021 """
0022 
0023    dd4hep simulation example setup using the python configuration
0024 
0025    @author  M.Frank
0026    @version 1.0
0027 
0028 """
0029 
0030 
0031 def run():
0032   args = DDG4.CommandLine()
0033   kernel = DDG4.Kernel()
0034   install_dir = os.environ['DD4hepExamplesINSTALL']
0035   kernel.loadGeometry(str("file:" + install_dir + "/examples/ClientTests/compact/FiberTubeCalorimeter.xml"))
0036 
0037   DDG4.importConstants(kernel.detectorDescription(), debug=False)
0038   geant4 = DDG4.Geant4(kernel, tracker='Geant4TrackerCombineAction')
0039   geant4.printDetectors()
0040   # Configure UI
0041   if args.macro:
0042     ui = geant4.setupCshUI(macro=args.macro)
0043   else:
0044     ui = geant4.setupCshUI()
0045   if args.batch:
0046     ui.Commands = ['/run/beamOn ' + str(args.events), '/ddg4/UI/terminate']
0047 
0048   # Configure field
0049   geant4.setupTrackingField(prt=True)
0050   # Configure Event actions
0051   prt = DDG4.EventAction(kernel, 'Geant4ParticlePrint/ParticlePrint')
0052   prt.OutputLevel = Output.DEBUG
0053   prt.OutputType = 3  # Print both: table and tree
0054   kernel.eventAction().adopt(prt)
0055 
0056   generator_output_level = Output.INFO
0057 
0058   # Configure G4 geometry setup
0059   seq, act = geant4.addDetectorConstruction("Geant4DetectorGeometryConstruction/ConstructGeo")
0060   act.DebugMaterials = True
0061   act.DebugElements = False
0062   act.DebugVolumes = True
0063   act.DebugShapes = True
0064   seq, act = geant4.addDetectorConstruction("Geant4DetectorSensitivesConstruction/ConstructSD")
0065 
0066   # Configure I/O
0067   geant4.setupROOTOutput('RootOutput', 'FiberTubeCalorimeter_' + time.strftime('%Y-%m-%d_%H-%M'))
0068 
0069   # Setup particle gun
0070   pos = (0.0, 0.0, -364.0 * cm)
0071   gun = geant4.setupGun("Gun", particle='e+', energy=50 * GeV, multiplicity=1, position=pos)
0072   gun.OutputLevel = generator_output_level
0073 
0074   # And handle the simulation particles.
0075   part = DDG4.GeneratorAction(kernel, "Geant4ParticleHandler/ParticleHandler")
0076   kernel.generatorAction().adopt(part)
0077   part.SaveProcesses = ['Decay']
0078   part.MinimalKineticEnergy = 100 * MeV
0079   part.OutputLevel = Output.INFO  # generator_output_level
0080   part.enableUI()
0081   user = DDG4.Action(kernel, "Geant4TCUserParticleHandler/UserParticleHandler")
0082   user.TrackingVolume_Zmax = 3.0 * m
0083   user.TrackingVolume_Rmax = 3.0 * m
0084   user.enableUI()
0085   part.adopt(user)
0086 
0087   geant4.setupCalorimeter('FiberTubeCalorimeter')
0088 
0089   # Now build the physics list:
0090   phys = geant4.setupPhysics('QGSP_BERT')
0091   phys.dump()
0092   geant4.execute()
0093 
0094 
0095 if __name__ == "__main__":
0096   run()