text: import FWCore.ParameterSet.Config as cms
  from Configuration.Eras.Modifier_h2tb_cff import h2tb
  
  process = cms.Process("PROD", h2tb)
  
  process.load('FWCore.MessageService.MessageLogger_cfi')
  process.load("SimGeneral.HepPDTESSource.pdt_cfi")
  process.load("Geometry.EcalCommonData.ecalSimulationParameters_cff")
  process.load("Geometry.HcalTestBeamData.hcalDDDSimConstants_cff")
  process.load("Geometry.HcalTestBeamData.TB2007TestGeometryXML_cfi")
  process.load('GeneratorInterface.Core.generatorSmeared_cfi')
  process.load("Configuration.EventContent.EventContent_cff")
  process.load("SimG4Core.Application.g4SimHits_cfi")
  
  process.MessageLogger.cerr.FwkReport.reportEvery = 5
  if hasattr(process,'MessageLogger'):
      process.MessageLogger.HCalGeom=dict()
      process.MessageLogger.EcalGeom=dict()
      process.MessageLogger.VertexGenerator=dict()
  
  process.Timing = cms.Service("Timing")
  
  process.load("IOMC.RandomEngine.IOMC_cff")
  process.RandomNumberGeneratorService.generator.initialSeed = 456789
  process.RandomNumberGeneratorService.g4SimHits.initialSeed = 9876
  process.RandomNumberGeneratorService.VtxSmeared.initialSeed = 123456789
  
  beamPosition = -800.0
  process.common_beam_direction_parameters = cms.PSet(
      MaxEta       = cms.double(0.5655),
      MinEta       = cms.double(0.5655),
      MaxPhi       = cms.double(-0.1309),
      MinPhi       = cms.double(-0.1309),
      BeamPosition = cms.double(beamPosition)
  )
  
  process.source = cms.Source("EmptySource")
  
  process.generator = cms.EDProducer("FlatRandomEGunProducer",
      PGunParameters = cms.PSet(
          process.common_beam_direction_parameters,
          MinE   = cms.double(9.99),
          MaxE   = cms.double(10.01),
          PartID = cms.vint32(211)
      ),
      Verbosity       = cms.untracked.int32(0),
      AddAntiParticle = cms.bool(False),
      firstRun        = cms.untracked.uint32(1)
  )
  
  from IOMC.EventVertexGenerators.VtxSmearedParameters_cfi import *
  process.VtxSmeared = cms.EDProducer("BeamProfileVtxGenerator",
      process.common_beam_direction_parameters,
      VtxSmearedCommon,
      BeamMeanX       = cms.double(0.0),
      BeamMeanY       = cms.double(0.0),
      BeamSigmaX      = cms.double(0.0001),
      BeamSigmaY      = cms.double(0.0001),
      Psi             = cms.double(999.9),
      GaussianProfile = cms.bool(False),
      BinX            = cms.int32(50),
      BinY            = cms.int32(50),
      File            = cms.string('beam.profile'),
      UseFile         = cms.bool(False),
      TimeOffset      = cms.double(0.)
  )
  
  process.maxEvents = cms.untracked.PSet(
      input = cms.untracked.int32(1)
  )
  
  process.p1 = cms.Path(process.generator*process.VtxSmeared*process.generatorSmeared*process.g4SimHits)
  
  process.g4SimHits.NonBeamEvent = True
  process.g4SimHits.UseMagneticField = False
  process.g4SimHits.Physics.type = 'SimG4Core/Physics/QGSP_FTFP_BERT_EML'
  process.g4SimHits.Physics.Region = 'HcalRegion'
  process.g4SimHits.Physics.DefaultCutValue = 1.
  
  process.g4SimHits.StackingAction.KillGamma = False
  process.g4SimHits.CaloSD.BeamPosition = beamPosition
  process.g4SimHits.ECalSD.UseBirkLaw = True
  process.g4SimHits.ECalSD.BirkL3Parametrization = True
  process.g4SimHits.ECalSD.BirkC1 = 0.033
  process.g4SimHits.ECalSD.BirkC2 = 0.0
  process.g4SimHits.ECalSD.SlopeLightYield = 0.05
  process.g4SimHits.HCalSD.UseBirkLaw = True
  process.g4SimHits.HCalSD.BirkC1 = 0.0052
  process.g4SimHits.HCalSD.BirkC2 = 0.142
  process.g4SimHits.HCalSD.BirkC3 = 1.75
  process.g4SimHits.HCalSD.UseLayerWt = False
  process.g4SimHits.HCalSD.WtFile     = ' '
  process.g4SimHits.HCalSD.UseShowerLibrary = False
  process.g4SimHits.HCalSD.TestNumberingScheme = True
  process.g4SimHits.HCalSD.UseHF   = False
  
  process.g4SimHits.HCalSD.ForTBHCAL = True
  process.g4SimHits.HCalSD.ForTBH2 = True
  process.g4SimHits.OnlySDs = ['CaloTrkProcessing',
                               'HcalTB06BeamDetector',
                               'EcalSensitiveDetector',
                               'HcalSensitiveDetector']
  process.g4SimHits.CaloTrkProcessing.TestBeam = True
  # Geant4 geometry check 
  process.g4SimHits.G4CheckOverlap.OutputBaseName = cms.string("hctb07")
  process.g4SimHits.G4CheckOverlap.OverlapFlag = cms.bool(True)
  process.g4SimHits.G4CheckOverlap.Tolerance  = cms.double(0.1)
  process.g4SimHits.G4CheckOverlap.Resolution = cms.int32(10000)
  process.g4SimHits.G4CheckOverlap.Depth      = cms.int32(-1)
  process.g4SimHits.G4CheckOverlap.RegionFlag = cms.bool(False)
  process.g4SimHits.G4CheckOverlap.NodeNames  = cms.vstring('TBHCal')
  process.g4SimHits.G4CheckOverlap.gdmlFlag   = cms.bool(False)
  process.g4SimHits.G4CheckOverlap.PVname     = ''
  process.g4SimHits.G4CheckOverlap.LVname     = ''
  process.g4SimHits.FileNameField   = ''
  process.g4SimHits.FileNameGDML    = ''
  process.g4SimHits.FileNameRegions = ''
  