ClientTests/scripts/SiliconBlockFastSim.py

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 import os
0014 import time
0015 import DDG4
0016 from DDG4 import OutputLevel as Output
0017 from g4units import GeV, MeV, m
0018 #
0019 #
0020 """
0021
0022    dd4hep simulation example setup using the python configuration
0023
0024    NOTE:
0025    If you get to the command prompt, you must not forget to enable GFlash!
0026    By default Geant4 does not enable it. Hence:
0027    Idle>  /GFlash/flag 1
0028
0029    @author  M.Frank
0030    @version 1.0
0031
0032 """
0033
0034
0035 def run():
0036   args = DDG4.CommandLine()
0037   kernel = DDG4.Kernel()
0038   install_dir = os.environ['DD4hepExamplesINSTALL']
0039   kernel.loadGeometry(str("file:" + install_dir + "/examples/ClientTests/compact/SiliconBlock.xml"))
0040
0041   DDG4.importConstants(kernel.detectorDescription(), debug=False)
0042   geant4 = DDG4.Geant4(kernel, tracker='Geant4TrackerAction', calo='Geant4CalorimeterAction')
0043   geant4.printDetectors()
0044   # Configure UI
0045   if args.macro:
0046     ui = geant4.setupCshUI(macro=args.macro)
0047   else:
0048     ui = geant4.setupCshUI()
0049   if args.batch:
0050     ui.Commands = ['/run/beamOn ' + str(args.events), '/ddg4/UI/terminate']
0051
0052   # Configure field
0053   geant4.setupTrackingField(prt=True)
0054   # Configure Event actions
0055   prt = DDG4.EventAction(kernel, 'Geant4ParticlePrint/ParticlePrint')
0056   prt.OutputLevel = Output.DEBUG
0057   kernel.eventAction().adopt(prt)
0058
0059   generator_output_level = prt.OutputLevel
0060
0061   # Configure G4 geometry setup
0062   seq, act = geant4.addDetectorConstruction('Geant4DetectorGeometryConstruction/ConstructGeo')
0063   act.DebugMaterials = True
0064   act.DebugElements = False
0065   act.DebugVolumes = True
0066   act.DebugShapes = True
0067
0068   # Apply sensitive detectors
0069   sensitives = DDG4.DetectorConstruction(kernel, str('Geant4DetectorSensitivesConstruction/ConstructSD'))
0070   sensitives.enableUI()
0071   seq.adopt(sensitives)
0072
0073   # Enable GFlash shower model
0074   model = DDG4.DetectorConstruction(kernel, str('Geant4Par01EMShowerModel/ShowerModel'))
0075   # Mandatory model parameters
0076   model.RegionName = 'SiRegion'
0077   model.Material = 'Silicon'
0078   model.ApplicableParticles = ['e+', 'e-']
0079   model.Etrigger = {'e+': 0.1 * GeV, 'e-': 0.1 * GeV}
0080   model.Enable = True
0081   # Energy boundaries are optional: Units are GeV
0082   model.Emin = {'e+': 0.1 * GeV, 'e-': 0.1 * GeV}
0083   model.Ekill = {'e+': 0.1 * MeV, 'e-': 0.1 * MeV}
0084   model.enableUI()
0085   seq.adopt(model)
0086
0087   # Configure I/O
0088   geant4.setupROOTOutput('RootOutput', 'SiliconBlock_FastSim_' + time.strftime('%Y-%m-%d_%H-%M'))
0089
0090   # Setup particle gun
0091   gun = geant4.setupGun("Gun", particle='e+', energy=50 * GeV, multiplicity=1)
0092   gun.OutputLevel = generator_output_level
0093
0094   # And handle the simulation particles.
0095   part = DDG4.GeneratorAction(kernel, "Geant4ParticleHandler/ParticleHandler")
0096   kernel.generatorAction().adopt(part)
0097   part.SaveProcesses = ['Decay']
0098   part.MinimalKineticEnergy = 100 * MeV
0099   part.OutputLevel = Output.INFO  # generator_output_level
0100   part.enableUI()
0101   user = DDG4.Action(kernel, "Geant4TCUserParticleHandler/UserParticleHandler")
0102   user.TrackingVolume_Zmax = 3.0 * m
0103   user.TrackingVolume_Rmax = 3.0 * m
0104   user.enableUI()
0105   part.adopt(user)
0106
0107   geant4.setupCalorimeter('SiliconBlockUpper')
0108   geant4.setupCalorimeter('SiliconBlockDown')
0109
0110   # Now build the physics list:
0111   phys = geant4.setupPhysics('FTFP_BERT')
0112   ph = DDG4.PhysicsList(kernel, str('Geant4FastPhysics/FastPhysicsList'))
0113   ph.EnabledParticles = ['e+', 'e-']
0114   ph.BeVerbose = True
0115   ph.enableUI()
0116   phys.adopt(ph)
0117   phys.dump()
0118
0119   geant4.execute()
0120
0121
0122 if __name__ == "__main__":
0123   run()