Gabriele Cosmo
240 lines
12 KiB
C++
Executable File
240 lines
12 KiB
C++
Executable File
//
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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 SteppingAction.cc
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/// \brief Implementation of the SteppingAction 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 "SteppingAction.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 "G4VPhysicalVolume.hh"
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#include "G4VTouchable.hh"
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#include "G4TouchableHistory.hh"
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#include "G4VSolid.hh"
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#include "G4LossTableManager.hh"
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#include "G4SystemOfUnits.hh"
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#include "Run.hh"
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const std::array< G4String, SteppingAction::numberScoringVolumes >
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SteppingAction::arrayScoringVolumeNames = { "downstream", "side", "upstream" };
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const std::array< G4String, SteppingAction::numberKinematicRegions >
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SteppingAction::arrayKinematicRegionNames = { "", "below 20 MeV", "above 20 MeV" };
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const std::array< G4String, SteppingAction::numberParticleTypes >
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SteppingAction::arrayParticleTypeNames = { "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 SteppingAction::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 < numberScoringVolumes &&
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iKinematicRegion >= 0 && iKinematicRegion < numberKinematicRegions &&
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iParticleType >= 0 && iParticleType < numberParticleTypes ) {
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index = iScoringVolume * numberKinematicRegions * numberParticleTypes +
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iKinematicRegion * numberParticleTypes +
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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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SteppingAction::SteppingAction() :G4UserSteppingAction() {
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initialize();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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SteppingAction::~SteppingAction() {}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void SteppingAction::initialize() {
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// Initialization needed at the beginning of each Run
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fPrimaryParticleId = 0;
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fPrimaryParticleEnergy = 0.0;
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fPrimaryParticleDirection = G4ThreeVector( 0.0, 0.0, 1.0 );
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fAbsorberMaterialName = "";
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fActiveMaterialName = "";
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fIsFirstStepOfTheEvent = true;
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fIsFirstStepInAbsorberLayer = true;
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fIsFirstStepInActiveLayer = true;
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fIsFirstStepInScoringUpDown = true;
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fIsFirstStepInScoringSide = true;
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fCubicVolumeScoringUpDown = 1.0;
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fCubicVolumeScoringSide = 1.0;
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for ( G4int i = 0; i < numberCombinations; ++i ) {
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fArraySumStepLengths[i] = 0.0;
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}
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/*
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for ( G4int i = 0; i < numberCombinations; ++i ) fArraySumStepLengths[i] = 999.9;
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G4cout << " numberCombinations=" << numberCombinations << G4endl;
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for ( G4int i = 0; i < numberScoringVolumes; ++i ) {
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for ( G4int j = 0; j < numberKinematicRegions; ++j ) {
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for ( G4int k = 0; k < numberParticleTypes; ++k ) {
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G4int index = getIndex( i, j, k );
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G4cout << "(i, j, k)=(" << i << ", " << j << ", " << k << ") ->" << index;
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if ( fArraySumStepLengths[ index ] < 1.0 ) G4cout << " <=== REPEATED!";
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else fArraySumStepLengths[ index ] = 0.0;
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G4cout << G4endl;
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}
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}
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}
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for ( G4int i = 0; i < numberCombinations; ++i ) {
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if ( fArraySumStepLengths[i] > 999.0 ) G4cout << " i=" << i << " NOT COVERED !" << G4endl;
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}
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*/
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void SteppingAction::UserSteppingAction( const G4Step* theStep ) {
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// Get information on the primary particle
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if ( fIsFirstStepOfTheEvent ) {
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if ( theStep->GetTrack()->GetParentID() == 0 ) {
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fPrimaryParticleId = theStep->GetTrack()->GetDefinition()->GetPDGEncoding();
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fPrimaryParticleEnergy = theStep->GetPreStepPoint()->GetKineticEnergy();
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fPrimaryParticleDirection = theStep->GetPreStepPoint()->GetMomentumDirection();
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if ( fRunPtr ) {
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fRunPtr->setPrimaryParticleId( fPrimaryParticleId );
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fRunPtr->setPrimaryParticleEnergy( fPrimaryParticleEnergy );
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fRunPtr->setPrimaryParticleDirection( fPrimaryParticleDirection );
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}
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fIsFirstStepOfTheEvent = false;
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}
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}
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// Get information on the materials of the calorimeter
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if ( fIsFirstStepInAbsorberLayer &&
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theStep->GetPreStepPoint()->GetPhysicalVolume()->GetName() == "physiAbsorber" ) {
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fAbsorberMaterialName = theStep->GetPreStepPoint()->GetMaterial()->GetName();
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if ( fRunPtr ) fRunPtr->setAbsorberMaterialName( fAbsorberMaterialName );
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fIsFirstStepInAbsorberLayer = false;
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}
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if ( fIsFirstStepInActiveLayer &&
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theStep->GetPreStepPoint()->GetPhysicalVolume()->GetName() == "physiActive" ) {
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fActiveMaterialName = theStep->GetPreStepPoint()->GetMaterial()->GetName();
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if ( fRunPtr ) fRunPtr->setActiveMaterialName( fActiveMaterialName );
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fIsFirstStepInActiveLayer = false;
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}
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// Get information on step lengths in the scoring volumes
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G4int iScoringVolume = -1;
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if ( theStep->GetPreStepPoint()->GetPhysicalVolume()->GetName() == "physiScoringDownstream" ) {
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iScoringVolume = 0;
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if ( fIsFirstStepInScoringUpDown ) {
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fCubicVolumeScoringUpDown =
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theStep->GetTrack()->GetVolume()->GetLogicalVolume()->GetSolid()->GetCubicVolume();
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if ( fRunPtr ) fRunPtr->setCubicVolumeScoringUpDown( fCubicVolumeScoringUpDown );
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fIsFirstStepInScoringUpDown = false;
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}
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} else if ( theStep->GetPreStepPoint()->GetPhysicalVolume()->GetName() == "physiScoringSide" ) {
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iScoringVolume = 1;
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if ( fIsFirstStepInScoringSide ) {
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fCubicVolumeScoringSide =
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theStep->GetTrack()->GetVolume()->GetLogicalVolume()->GetSolid()->GetCubicVolume();
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if ( fRunPtr ) fRunPtr->setCubicVolumeScoringSide( fCubicVolumeScoringSide );
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fIsFirstStepInScoringSide = false;
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}
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} else if ( theStep->GetPreStepPoint()->GetPhysicalVolume()->GetName() ==
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"physiScoringUpstream" ) {
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iScoringVolume = 2;
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if ( fIsFirstStepInScoringUpDown ) {
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fCubicVolumeScoringUpDown =
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theStep->GetTrack()->GetVolume()->GetLogicalVolume()->GetSolid()->GetCubicVolume();
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if ( fRunPtr ) fRunPtr->setCubicVolumeScoringUpDown( fCubicVolumeScoringUpDown );
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fIsFirstStepInScoringUpDown = false;
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}
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}
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if ( iScoringVolume >= 0 ) {
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// In the case of the upstream scoring volume, consider only particles whose direction
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// is opposite with respect to the primary particle (this is needed, in particular,
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// for avoiding to account the incoming, primary beam particle in the "upstream" fluence).
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if ( iScoringVolume == 2 &&
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fPrimaryParticleDirection.dot(
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theStep->GetPreStepPoint()->GetMomentumDirection() ) > 0.0 ) return;
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G4double stepLength = theStep->GetTrack()->GetStepLength() * theStep->GetTrack()->GetWeight();
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G4int absPdg = theStep->GetTrack()->GetDefinition() == nullptr ? 0 :
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std::abs( theStep->GetTrack()->GetDefinition()->GetPDGEncoding() );
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/*
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G4cout << std::setprecision(6)
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<< theStep->GetTrack()->GetDefinition()->GetParticleName() << " absPdg=" << absPdg
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<< " Ekin[MeV]=" << theStep->GetPreStepPoint()->GetKineticEnergy()
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<< " (rho,z)[mm]=(" << theStep->GetTrack()->GetPosition().perp()
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<< "," << theStep->GetTrack()->GetPosition().z() << ")"
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<< " " << theStep->GetTrack()->GetVolume()->GetName()
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<< " " << theStep->GetTrack()->GetMaterial()->GetName()
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<< " L[mm]=" << stepLength << " "
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<< ( fPrimaryParticleDirection.dot(
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theStep->GetPreStepPoint()->GetMomentumDirection() ) > 0.0
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? "forward" : "backward" )
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<< G4endl;
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*/
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// Three kinematical regions: [0] : any value ; [1] : below 20 MeV ; [2] : above 20 MeV
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G4int iKinematicRegion = theStep->GetPreStepPoint()->GetKineticEnergy() < 20.0 ? 1 : 2;
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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; // neutrinos
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// (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( theStep->GetTrack()->GetDefinition() ) || // ions (and anti-ions)
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G4IonTable::IsAntiIon( theStep->GetTrack()->GetDefinition() ) ) iParticleType = 8;
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else if ( absPdg < 1000 ) iParticleType = 9; // other mesons (e.g. kaons) (Note: this works
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// in most cases, but not always!)
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else if ( absPdg > 1000 ) iParticleType = 10; // other baryons (e.g. hyperons, anti-hyperons,
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// 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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fArraySumStepLengths[index] += stepLength;
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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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fArraySumStepLengths[index] += stepLength;
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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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fArraySumStepLengths[index] += stepLength;
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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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fArraySumStepLengths[index] += stepLength;
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if ( fRunPtr ) fRunPtr->setArray( fArraySumStepLengths );
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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