Gabriele Cosmo
182 lines
6.1 KiB
C++
182 lines
6.1 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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// ********************************************************************
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// * *
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// * cosmicray_charging advanced example for Geant4 *
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// * (adapted simulation of test-mass charging in the LISA mission) *
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// * *
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// * Henrique Araujo (h.araujo@imperial.ac.uk) & Peter Wass *
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// * Imperial College London *
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// * *
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// * LISASteppingAction class *
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// * *
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// ********************************************************************
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//
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// HISTORY
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// 22/02/2004: migrated from LISA-V04
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//
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// ********************************************************************
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#include "LISASteppingAction.hh"
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#include "LISASteppingActionMessenger.hh"
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#include "G4Step.hh"
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#include "G4Track.hh"
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#include "G4TrackStatus.hh"
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#include "G4StepPoint.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4DynamicParticle.hh"
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#include "G4ParticleTypes.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 "globals.hh"
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#include "G4ios.hh"
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#include <fstream>
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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LISASteppingAction::LISASteppingAction() {
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charge_in[0] = 0;
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charge_in[1] = 0;
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charge_out[0] = 0;
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charge_out[1] = 0;
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// defaults
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FlagSpectrum = false;
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// create messenger
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steppingMessenger = new LISASteppingActionMessenger(this);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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LISASteppingAction::~LISASteppingAction() {
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delete steppingMessenger;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void LISASteppingAction::UserSteppingAction(const G4Step* fStep) {
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if(fStep->GetTrack()->GetNextVolume()) {
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// step points
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G4TouchableHistory* thePreTouchable =
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(G4TouchableHistory*)(fStep->GetPreStepPoint()->GetTouchable());
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G4TouchableHistory* thePostTouchable =
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(G4TouchableHistory*)(fStep->GetPostStepPoint()->GetTouchable());
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G4String PreVol = thePreTouchable->GetVolume()->GetName();
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G4String PosVol = thePostTouchable->GetVolume()->GetName();
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// particle
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G4double charge = fStep->GetTrack()->GetDefinition()->GetPDGCharge();
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G4String pName = fStep->GetTrack()->GetDefinition()->GetParticleName();
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G4double energy = fStep->GetTrack()->GetKineticEnergy();
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G4int tm = -1;
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// *** entering a test mass ***
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if(PreVol!="tmass_phys" && PosVol=="tmass_phys") {
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tm = thePostTouchable->GetReplicaNumber(6);
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charge_in[tm] += (int)charge;
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// energy spectra at test-mass boundary
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if(FlagSpectrum) {
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// electrons entering test mass
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if(pName=="e-") {
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std::ofstream electrons_in("electrons_in.out",std::ios::app);
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electrons_in << energy/eV << G4endl;
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}
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// hadrons entering test mass
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else if(pName=="proton" ||
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pName=="pi+" || pName=="pi-" ||
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pName=="deuteron" || pName=="He3" ||
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pName=="alpha" || pName=="triton") {
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std::ofstream hadrons_in("hadrons_in.out",std::ios::app);
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hadrons_in << energy/eV << G4endl;
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}
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}
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} // *** entering a test mass ***
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// *** leaving a test mass ***
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else if(PreVol!=PosVol && PreVol=="tmass_phys") {
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tm = thePreTouchable->GetReplicaNumber(6);
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charge_out[tm] += (int)charge;
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// energy spectra at test-mass boundary
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if(FlagSpectrum) {
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// electrons leaving test mass
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if(pName=="e-") {
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std::ofstream electrons_out("electrons_out.out",std::ios::app);
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electrons_out << energy/eV << G4endl;
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}
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// hadrons leaving test mass
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else if(pName=="proton" ||
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pName=="pi+" || pName=="pi-" ||
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pName=="deuteron" || pName=="He3" ||
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pName=="alpha" || pName=="triton") {
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std::ofstream hadrons_out("hadrons_out.out",std::ios::app);
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hadrons_out << energy/eV << G4endl;
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}
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}
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} // *** leaving a test mass ***
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} // if(next volume)
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// count particles hitting probe volume
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// if(fStep->GetTrack()->GetNextVolume()) {
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// static int i=0;
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// G4String PosVol=fStep->GetPostStepPoint()
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// ->GetPhysicalVolume()->GetName();
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// if(PosVol=="probe_phys") {
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// fStep->GetTrack()->SetTrackStatus(fStopAndKill);
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// G4cout << i++ << 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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