Gabriele Cosmo
159 lines
7.1 KiB
C++
159 lines
7.1 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 "Run.hh"
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#include "G4IonTable.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4ParticleTypes.hh"
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#include "G4Step.hh"
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#include "G4StepPoint.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4Track.hh"
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const std::array<G4String, TrackingAction::fkNumberScoringVolumes>
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TrackingAction::fkArrayScoringVolumeNames = {"layer"};
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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",
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"neutrino", "pion", "neutron", "proton",
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"ion", "otherMeson", "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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{
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G4int index = -1;
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if (iScoringVolume >= 0 && iScoringVolume < fkNumberScoringVolumes && iKinematicRegion >= 0
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&& iKinematicRegion < fkNumberKinematicRegions && iParticleType >= 0
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&& iParticleType < fkNumberParticleTypes)
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{
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index = iScoringVolume * fkNumberKinematicRegions * fkNumberParticleTypes
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+ iKinematicRegion * fkNumberParticleTypes + 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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{
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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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{
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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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{
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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 || aTrack->GetCurrentStepNumber() != 0 || aTrack->GetDefinition() == nullptr
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|| aTrack->GetLogicalVolumeAtVertex() == nullptr
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|| aTrack->GetLogicalVolumeAtVertex()->GetName() != "logicLayer")
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return;
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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)
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iParticleType = 1; // electron (and positron)
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else if (absPdg == 22)
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iParticleType = 2; // gamma
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else if (absPdg == 13)
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iParticleType = 3; // muons (mu- and mu+)
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else if (absPdg == 12 || absPdg == 14 || absPdg == 16)
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iParticleType = 4;
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// neutrinos (and anti-neutrinos), all flavors
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else if (absPdg == 111 || absPdg == 211)
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iParticleType = 5; // (charged) pions
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else if (absPdg == 2112)
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iParticleType = 6; // neutron (and anti-neutron)
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else if (absPdg == 2212)
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iParticleType = 7; // proton (and anti-proton)
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else if (G4IonTable::IsIon(aTrack->GetDefinition())
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|| G4IonTable::IsAntiIon(aTrack->GetDefinition()))
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iParticleType = 8;
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// ions (and anti-ions)
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else if (absPdg < 1000)
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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)
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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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