ClientTests/scripts/GdmlDetector.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 sys
0015 import DDG4
0016 from DDG4 import OutputLevel as Output
0017 from g4units import GeV
0018 #
0019 #
0020 """
0021
0022    dd4hep simulation example setup using the python configuration
0023
0024    @author  M.Frank
0025    @version 1.0
0026
0027 """
0028
0029
0030 def run():
0031   kernel = DDG4.Kernel()
0032   install_dir = os.environ['DD4hepExamplesINSTALL']
0033   kernel.loadGeometry(str("file:" + install_dir + "/examples/ClientTests/compact/GdmlDetector.xml"))
0034
0035   DDG4.importConstants(kernel.detectorDescription(), debug=False)
0036   geant4 = DDG4.Geant4(kernel, tracker='Geant4TrackerCombineAction')
0037   geant4.printDetectors()
0038   # Configure UI
0039   if len(sys.argv) > 1:
0040     geant4.setupCshUI(macro=sys.argv[1])
0041   else:
0042     geant4.setupCshUI()
0043
0044   # Configure field
0045   geant4.setupTrackingField(prt=True)
0046
0047   generator_output_level = Output.INFO
0048
0049   # Configure G4 geometry setup
0050   seq, act = geant4.addDetectorConstruction("Geant4DetectorGeometryConstruction/ConstructGeo")
0051   act.DebugVolumes = True
0052   act.DebugShapes = True
0053   act.DebugPlacements = True
0054   act.DumpHierarchy = True
0055
0056   # Setup particle gun
0057   gun = geant4.setupGun("Gun", particle='mu-', energy=20 * GeV, multiplicity=1)
0058   gun.OutputLevel = generator_output_level
0059
0060   # Now build the physics list:
0061   phys = geant4.setupPhysics('QGSP_BERT')
0062   phys.dump()
0063
0064   geant4.execute()
0065
0066
0067 if __name__ == "__main__":
0068   run()