Gabriele Cosmo
147 lines
7.3 KiB
C++
147 lines
7.3 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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/// \file TrackingAction.cc
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/// \brief Implementation of the TrackingAction class
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//
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "TrackingAction.hh"
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#include "G4Track.hh"
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#include "G4Step.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4ParticleTypes.hh"
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#include "G4IonTable.hh"
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#include "G4StepPoint.hh"
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#include "G4SystemOfUnits.hh"
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#include "Run.hh"
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const std::array< G4String, TrackingAction::fkNumberScoringVolumes >
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TrackingAction::fkArrayScoringVolumeNames = { "calorimeter" };
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const std::array< G4String, TrackingAction::fkNumberKinematicRegions >
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TrackingAction::fkArrayKinematicRegionNames = { "", "below 20 MeV", "above 20 MeV" };
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const std::array< G4String, TrackingAction::fkNumberParticleTypes >
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TrackingAction::fkArrayParticleTypeNames = { "all", "electron", "gamma", "muon", "neutrino",
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"pion", "neutron", "proton", "ion", "otherMeson",
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"otherBaryon" };
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4int TrackingAction::GetIndex( const G4int iScoringVolume, const G4int iKinematicRegion,
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const G4int iParticleType ) {
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G4int index = -1;
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if ( iScoringVolume >= 0 && iScoringVolume < fkNumberScoringVolumes &&
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iKinematicRegion >= 0 && iKinematicRegion < fkNumberKinematicRegions &&
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iParticleType >= 0 && iParticleType < fkNumberParticleTypes ) {
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index = iScoringVolume * fkNumberKinematicRegions * fkNumberParticleTypes +
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iKinematicRegion * fkNumberParticleTypes +
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iParticleType;
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}
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return index;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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TrackingAction::TrackingAction() : G4UserTrackingAction() {
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Initialize();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void TrackingAction::Initialize() {
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// Initialization needed at the beginning of each Run
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fArrayMultiplicities.fill( 0 );
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fArraySumKineticEnergies.fill( 0.0 );
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void TrackingAction::PreUserTrackingAction( const G4Track* aTrack ) {
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// This method is called not only once when a particle is created,
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// but also each time it is resumed, in the case the track gets suspended,
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// as it happens in the case of neutrons with _HP Physics Lists.
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// To be sure that we collect information about a track one and only once,
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// we require that the current step be the first one.
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if ( aTrack == nullptr ||
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aTrack->GetCurrentStepNumber() != 0 ||
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aTrack->GetDefinition() == nullptr ||
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aTrack->GetLogicalVolumeAtVertex() == nullptr ||
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( aTrack->GetLogicalVolumeAtVertex()->GetName() != "logicAbsorber" &&
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aTrack->GetLogicalVolumeAtVertex()->GetName() != "logicActive" ) ) {
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return;
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}
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G4int iScoringVolume = 0;
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// Three kinematical regions: [0] : any value ; [1] : below 20 MeV ; [2] : above 20 MeV
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G4int iKinematicRegion = aTrack->GetKineticEnergy() < 20.0 ? 1 : 2;
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G4int absPdg = std::abs( aTrack->GetDefinition()->GetPDGEncoding() );
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G4int iParticleType = -1;
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if ( absPdg == 11 ) iParticleType = 1; // electron (and positron)
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else if ( absPdg == 22 ) iParticleType = 2; // gamma
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else if ( absPdg == 13 ) iParticleType = 3; // muons (mu- and mu+)
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else if ( absPdg == 12 || absPdg == 14 || absPdg == 16 ) iParticleType = 4;
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// neutrinos (and anti-neutrinos), all flavors
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else if ( absPdg == 111 || absPdg == 211 ) iParticleType = 5; // (charged) pions
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else if ( absPdg == 2112 ) iParticleType = 6; // neutron (and anti-neutron)
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else if ( absPdg == 2212 ) iParticleType = 7; // proton (and anti-proton)
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else if ( G4IonTable::IsIon( aTrack->GetDefinition() ) ||
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G4IonTable::IsAntiIon( aTrack->GetDefinition() ) ) iParticleType = 8;
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// ions (and anti-ions)
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else if ( absPdg < 1000 ) iParticleType = 9; // other mesons (e.g. kaons)
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// (Note: this works in most cases, but not always!)
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else if ( absPdg > 1000 ) iParticleType = 10; // other baryons (e.g. hyperons,
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// anti-hyperons, etc.)
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// Consider the specific case : scoring volume, kinematic region and particle type
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G4int index = GetIndex( iScoringVolume, iKinematicRegion, iParticleType );
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++fArrayMultiplicities[index];
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fArraySumKineticEnergies[index] += aTrack->GetKineticEnergy();
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// Consider the "all" particle case, with the same scoring volume and kinematic region
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index = GetIndex( iScoringVolume, iKinematicRegion, 0 );
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++fArrayMultiplicities[index];
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fArraySumKineticEnergies[index] += aTrack->GetKineticEnergy();
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// Consider the "any" kinematic region case, with the same scoring volume and particle type
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index = GetIndex( iScoringVolume, 0, iParticleType );
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++fArrayMultiplicities[index];
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fArraySumKineticEnergies[index] += aTrack->GetKineticEnergy();
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// Consider the "any" kinematic region and "all" particle, with the same scoring volume
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index = GetIndex( iScoringVolume, 0, 0 );
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++fArrayMultiplicities[index];
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fArraySumKineticEnergies[index] += aTrack->GetKineticEnergy();
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if ( fRunPtr ) {
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fRunPtr->SetTrackingArray1( fArrayMultiplicities );
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fRunPtr->SetTrackingArray2( fArraySumKineticEnergies );
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void TrackingAction::PostUserTrackingAction( const G4Track* /* aTrack */ ) {}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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