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Par02FastSimModelHCal.cc
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29 
30 #include "Par02FastSimModelHCal.hh"
31 #include "Par02EventInformation.hh"
32 #include "Par02PrimaryParticleInformation.hh"
33 #include "Par02Smearer.hh"
34 #include "Par02Output.hh"
35 
36 #include "G4Track.hh"
37 #include "G4Event.hh"
38 #include "G4RunManager.hh"
39 #include "g4root.hh"
40 
41 #include "Randomize.hh"
42 #include "G4SystemOfUnits.hh"
43 
44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45 
46 Par02FastSimModelHCal::Par02FastSimModelHCal( G4String aModelName,
47  G4Region* aEnvelope, Par02DetectorParametrisation::Parametrisation aType ) :
48  G4VFastSimulationModel( aModelName, aEnvelope ), fCalculateParametrisation(),
49  fParametrisation( aType ) {}
50 
51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52 
53 Par02FastSimModelHCal::Par02FastSimModelHCal( G4String aModelName,
54  G4Region* aEnvelope ) :
55  G4VFastSimulationModel( aModelName, aEnvelope ), fCalculateParametrisation(),
56  fParametrisation( Par02DetectorParametrisation::eCMS ) {}
57 
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59 
60 Par02FastSimModelHCal::Par02FastSimModelHCal( G4String aModelName ) :
61  G4VFastSimulationModel( aModelName ), fCalculateParametrisation(),
62  fParametrisation( Par02DetectorParametrisation::eCMS ) {}
63 
64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 
66 Par02FastSimModelHCal::~Par02FastSimModelHCal() {}
67 
68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
69 
70 G4bool Par02FastSimModelHCal::IsApplicable( const G4ParticleDefinition& aParticleType ) {
71  G4bool isOk = false;
72  // Applicable to all hadrons, i.e. any particle made of quarks
73  if ( aParticleType.GetQuarkContent(1) +
74  aParticleType.GetQuarkContent(2) +
75  aParticleType.GetQuarkContent(3) +
76  aParticleType.GetQuarkContent(4) +
77  aParticleType.GetQuarkContent(5) +
78  aParticleType.GetQuarkContent(6) != 0 ) {
79  isOk = true;
80  }
81  return isOk;
82 }
83 
84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
85 
86 G4bool Par02FastSimModelHCal::ModelTrigger( const G4FastTrack& /*aFastTrack*/ ) {
87  return true; // No kinematical restrictions to apply the parametrisation
88 }
89 
90 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
91 
92 void Par02FastSimModelHCal::DoIt( const G4FastTrack& aFastTrack,
93  G4FastStep& aFastStep ) {
94  //G4cout << " ________HCal model triggered _________" << G4endl;
95 
96  // Kill the parameterised particle at the entrance of the hadronic calorimeter
97  aFastStep.KillPrimaryTrack();
98  aFastStep.ProposePrimaryTrackPathLength( 0.0 );
99  G4double Edep = aFastTrack.GetPrimaryTrack()->GetKineticEnergy();
100 
101  // Consider only primary tracks (do nothing else for secondary hadrons)
102  G4ThreeVector Pos = aFastTrack.GetPrimaryTrack()->GetPosition();
103  if ( ! aFastTrack.GetPrimaryTrack()->GetParentID() ) {
104  Par02EventInformation* info = (Par02EventInformation*)
105  G4EventManager::GetEventManager()->GetUserInformation();
106  if ( info->GetDoSmearing() ) {
107  // Smearing according to the hadronic calorimeter resolution
108  G4ThreeVector Porg = aFastTrack.GetPrimaryTrack()->GetMomentum();
109  G4double res = fCalculateParametrisation->
110  GetResolution( Par02DetectorParametrisation::eHCAL,
111  fParametrisation, Porg.mag() );
112  G4double eff = fCalculateParametrisation->
113  GetEfficiency( Par02DetectorParametrisation::eHCAL,
114  fParametrisation, Porg.mag() );
115  G4double Esm;
116  Esm = std::abs( Par02Smearer::Instance()->
117  SmearEnergy( aFastTrack.GetPrimaryTrack(), res ) );
118  Par02Output::Instance()->FillHistogram( 2, (Esm/MeV) / (Edep/MeV) );
119  // Setting the values of Pos, Esm, res and eff
120  Par02PrimaryParticleInformation* primaryInfo=
121  static_cast<Par02PrimaryParticleInformation*>(
122  ( aFastTrack.GetPrimaryTrack()->GetDynamicParticle()->GetPrimaryParticle() )->
123  GetUserInformation() ) ;
124  primaryInfo->SetHCalPosition( Pos );
125  primaryInfo->SetHCalEnergy( Esm );
126  primaryInfo->SetHCalResolution( res );
127  primaryInfo->SetHCalEfficiency( eff );
128  // The (smeared) energy of the particle is deposited in the step
129  // (which corresponds to the entrance of the hadronic calorimeter)
130  aFastStep.ProposeTotalEnergyDeposited( Esm );
131  } else {
132  // No smearing: simply setting the value of Edep
133  ( (Par02PrimaryParticleInformation*) ( const_cast< G4PrimaryParticle* >
134  ( aFastTrack.GetPrimaryTrack()->GetDynamicParticle()->GetPrimaryParticle() )->
135  GetUserInformation() ) )->SetHCalEnergy( Edep );
136  // The (initial) energy of the particle is deposited in the step
137  // (which corresponds to the entrance of the hadronic calorimeter)
138  aFastStep.ProposeTotalEnergyDeposited( Edep );
139  }
140  }
141 }
142 
143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
144