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geant4/examples/extended/parameterisations/Par02/src/Par02FastSimModelHCal.cc
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2021-12-10 16:15:15 +00:00

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/// \file Par02FastSimModelHCal.cc
/// \brief Implementation of the Par02FastSimModelHCal class
#include "Par02FastSimModelHCal.hh"
#include "Par02EventInformation.hh"
#include "Par02PrimaryParticleInformation.hh"
#include "Par02Smearer.hh"
#include "Par02Output.hh"
#include "G4Track.hh"
#include "G4Event.hh"
#include "G4RunManager.hh"
#include "G4AnalysisManager.hh"
#include "Randomize.hh"
#include "G4SystemOfUnits.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
Par02FastSimModelHCal::Par02FastSimModelHCal( G4String aModelName,
G4Region* aEnvelope, Par02DetectorParametrisation::Parametrisation aType ) :
G4VFastSimulationModel( aModelName, aEnvelope ), fCalculateParametrisation(),
fParametrisation( aType ) {}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
Par02FastSimModelHCal::Par02FastSimModelHCal( G4String aModelName,
G4Region* aEnvelope ) :
G4VFastSimulationModel( aModelName, aEnvelope ), fCalculateParametrisation(),
fParametrisation( Par02DetectorParametrisation::eCMS ) {}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
Par02FastSimModelHCal::Par02FastSimModelHCal( G4String aModelName ) :
G4VFastSimulationModel( aModelName ), fCalculateParametrisation(),
fParametrisation( Par02DetectorParametrisation::eCMS ) {}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
Par02FastSimModelHCal::~Par02FastSimModelHCal() {}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool Par02FastSimModelHCal::IsApplicable( const G4ParticleDefinition& aParticleType ) {
G4bool isOk = false;
// Applicable to all hadrons, i.e. any particle made of quarks
if ( aParticleType.GetQuarkContent(1) +
aParticleType.GetQuarkContent(2) +
aParticleType.GetQuarkContent(3) +
aParticleType.GetQuarkContent(4) +
aParticleType.GetQuarkContent(5) +
aParticleType.GetQuarkContent(6) != 0 ) {
isOk = true;
}
return isOk;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool Par02FastSimModelHCal::ModelTrigger( const G4FastTrack& /*aFastTrack*/ ) {
return true; // No kinematical restrictions to apply the parametrisation
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void Par02FastSimModelHCal::DoIt( const G4FastTrack& aFastTrack,
G4FastStep& aFastStep ) {
//G4cout << " ________HCal model triggered _________" << G4endl;
// Kill the parameterised particle at the entrance of the hadronic calorimeter
aFastStep.KillPrimaryTrack();
aFastStep.ProposePrimaryTrackPathLength( 0.0 );
G4double Edep = aFastTrack.GetPrimaryTrack()->GetKineticEnergy();
// Consider only primary tracks (do nothing else for secondary hadrons)
G4ThreeVector Pos = aFastTrack.GetPrimaryTrack()->GetPosition();
if ( ! aFastTrack.GetPrimaryTrack()->GetParentID() ) {
Par02EventInformation* info = (Par02EventInformation*)
G4EventManager::GetEventManager()->GetUserInformation();
if ( info->GetDoSmearing() ) {
// Smearing according to the hadronic calorimeter resolution
G4ThreeVector Porg = aFastTrack.GetPrimaryTrack()->GetMomentum();
G4double res = fCalculateParametrisation->
GetResolution( Par02DetectorParametrisation::eHCAL,
fParametrisation, Porg.mag() );
G4double eff = fCalculateParametrisation->
GetEfficiency( Par02DetectorParametrisation::eHCAL,
fParametrisation, Porg.mag() );
G4double Esm;
Esm = std::abs( Par02Smearer::Instance()->
SmearEnergy( aFastTrack.GetPrimaryTrack(), res ) );
Par02Output::Instance()->FillHistogram( 2, (Esm/MeV) / (Edep/MeV) );
// Setting the values of Pos, Esm, res and eff
Par02PrimaryParticleInformation* primaryInfo=
static_cast<Par02PrimaryParticleInformation*>(
( aFastTrack.GetPrimaryTrack()->GetDynamicParticle()->GetPrimaryParticle() )->
GetUserInformation() ) ;
primaryInfo->SetHCalPosition( Pos );
primaryInfo->SetHCalEnergy( Esm );
primaryInfo->SetHCalResolution( res );
primaryInfo->SetHCalEfficiency( eff );
// The (smeared) energy of the particle is deposited in the step
// (which corresponds to the entrance of the hadronic calorimeter)
aFastStep.ProposeTotalEnergyDeposited( Esm );
} else {
// No smearing: simply setting the value of Edep
( (Par02PrimaryParticleInformation*) ( const_cast< G4PrimaryParticle* >
( aFastTrack.GetPrimaryTrack()->GetDynamicParticle()->GetPrimaryParticle() )->
GetUserInformation() ) )->SetHCalEnergy( Edep );
// The (initial) energy of the particle is deposited in the step
// (which corresponds to the entrance of the hadronic calorimeter)
aFastStep.ProposeTotalEnergyDeposited( Edep );
}
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......