Allow simulation to be fully steered by command line arguments

Control/CalypsoConfiguration/python/AllConfigFlags.py

@@ -32,7 +32,7 @@ def _createCfgFlags():
     # acf=AthConfigFlags()
     fcf = athenaConfigFlags
 
-    fcf.Input.Files = ["_FASER_GENERIC_INPUTFILE_NAME_",]  # former global.InputFiles
+    fcf.Input.Files = ["_CALYPSO_GENERIC_INPUTFILE_NAME_",]  # former global.InputFiles
     # acf.addFlag('Input.SecondaryFiles', []) # secondary input files for DoubleEventSelector
     # acf.addFlag('Input.isMC', lambda prevFlags : "IS_SIMULATION" in GetFileMD(prevFlags.Input.Files).get("eventTypes",[]) ) # former global.isMC
     # acf.addFlag('Input.RunNumber', lambda prevFlags : list(GetFileMD(prevFlags.Input.Files).get("runNumbers",[]))) # former global.RunNumber

Generators/FaserParticleGun/python/FaserParticleGunConfig.py

@@ -108,3 +108,15 @@ def FaserParticleGunDecayInFlightCfg(ConfigFlags, **kwargs) :
     pg.sampler = DIFSampler(**kwargs)
 
     return cfg
+
+def FaserParticleGunCfg(ConfigFlags) :
+    generator = ConfigFlags.Sim.Gun.setdefault("Generator", "SingleParticle")
+    kwargs = ConfigFlags.Sim.Gun
+    if generator == "SingleEcalParticle" :
+        return FaserParticleGunSingleEcalParticleCfg(ConfigFlags, **kwargs)
+    elif generator == "Cosmics" :
+        return FaserParticleGunCosmicsCfg(ConfigFlags, **kwargs)
+    elif generator == "DecayInFlight" :
+        return FaserParticleGunDecayInFlightCfg(ConfigFlags, **kwargs)
+    else :
+        return FaserParticleGunSingleParticleCfg(ConfigFlags, **kwargs )

Simulation/G4Faser/G4FaserAlg/test/G4FaserAlgConfigNew_Test.py

@@ -32,16 +32,9 @@ if __name__ == '__main__':
     ConfigFlags.Input.LumiBlockNumber = [1]
     ConfigFlags.Input.isMC = True
 #
-# Input source if reading generator file
-#
-    # from AthenaConfiguration.TestDefaults import defaultTestFiles
-    # inputDir = defaultTestFiles.d
-    # ConfigFlags.Input.Files = ['/cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/SimCoreTests/valid1.410000.PowhegPythiaEvtGen_P2012_ttbar_hdamp172p5_nonallhad.evgen.EVNT.e4993.EVNT.08166201._000012.pool.root.1'] #defaultTestFiles.EVNT
-#
 # Output file name
 # 
     ConfigFlags.Output.HITSFileName = "my.HITS.pool.root" # can be overridden from command line with Output.HITSFileName=<name>
-    
 #
 # Sim ConfigFlags
 #
@@ -49,6 +42,7 @@ if __name__ == '__main__':
     ConfigFlags.Sim.PhysicsList = "FTFP_BERT"
     ConfigFlags.Sim.ReleaseGeoModel = False
     ConfigFlags.Sim.IncludeParentsInG4Event = True # Controls whether BeamTruthEvent is written to output HITS file
+    ConfigFlags.addFlag("Sim.Gun",{"Generator" : "SingleParticle"})  # Property bag for particle gun keyword:argument pairs
 
     ConfigFlags.GeoModel.FaserVersion = "FASERNU-02"             # Geometry set-up
     ConfigFlags.IOVDb.GlobalTag = "OFLCOND-FASER-02"             # Conditions set-up
@@ -65,13 +59,10 @@ if __name__ == '__main__':
 # Start with minimal configuration for Testbeam
 #
     detectors = ['Veto', 'Preshower', 'FaserSCT', 'Ecal']
-    zStart = -200
     if ConfigFlags.GeoModel.FaserVersion.count("TB") == 0 :
         detectors += ['Trigger', 'Dipole']
-        zStart = -1800
     if ConfigFlags.GeoModel.FaserVersion.count("FASERNU") > 0 :
         detectors += ['Emulsion']
-        zStart = -3750
 #
 # Setup detector flags
 #
@@ -87,30 +78,26 @@ if __name__ == '__main__':
     from CalypsoConfiguration.MainServicesConfig import MainServicesCfg
     cfg = MainServicesCfg(ConfigFlags)
 #
-# Particle gun generators - the energy, angle, particle type, position, etc can be modified by passing keyword arguments
-#
-    from FaserParticleGun.FaserParticleGunConfig import FaserParticleGunSingleParticleCfg
-    cfg.merge(FaserParticleGunSingleParticleCfg(ConfigFlags, theta = 0.001, z = zStart))
-    #
-    # from FaserParticleGun.FaserParticleGunConfig import FaserParticleGunSingleEcalParticleCfg
-    # cfg.merge(FaserParticleGunSingleEcalParticleCfg(ConfigFlags))
-    #
-    # from FaserParticleGun.FaserParticleGunConfig import FaserParticleGunCosmicsCfg
-    # cfg.merge(FaserParticleGunCosmicsCfg(ConfigFlags))
-    #
-    # from FaserParticleGun.FaserParticleGunConfig import FaserParticleGunDecayInFlightCfg
-    # cfg.merge(FaserParticleGunDecayInFlightCfg(ConfigFlags))
-    #
-#
-# Only one of these two should be used in a given job
-# MCEventSelectorCfg for generating events with no input file
-# PoolReadCfg when reading generator data from an input file
-#    
-    from McEventSelector.McEventSelectorConfig import McEventSelectorCfg
-    cfg.merge(McEventSelectorCfg(ConfigFlags))
-
-    # from AthenaPoolCnvSvc.PoolReadConfig import PoolReadCfg
-    # cfg.merge(PoolReadCfg(ConfigFlags))
+# Check whether a real input file was specified
+#
+    if ConfigFlags.Input.Files and ConfigFlags.Input.Files != ["_CALYPSO_GENERIC_INPUTFILE_NAME_"] :
+        print("Input.Files = ",ConfigFlags.Input.Files)
+#
+# If so, set up to read it
+#
+        from AthenaPoolCnvSvc.PoolReadConfig import PoolReadCfg
+        cfg.merge(PoolReadCfg(ConfigFlags))
+#
+# If not, configure the particle gun as requested, or using defaults
+#
+    else :
+#
+# Particle gun generators - the generator, energy, angle, particle type, position, etc can be modified by passing keyword arguments
+#
+        from FaserParticleGun.FaserParticleGunConfig import FaserParticleGunCfg
+        cfg.merge(FaserParticleGunCfg(ConfigFlags))
+        from McEventSelector.McEventSelectorConfig import McEventSelectorCfg
+        cfg.merge(McEventSelectorCfg(ConfigFlags))
 #
 # Output file
 #