Gabriele Cosmo
186 lines
6.5 KiB
C++
186 lines
6.5 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: TrackingAction.cc,v 1.18 2008-08-28 15:28:04 maire Exp $
|
|
// GEANT4 tag $Name: not supported by cvs2svn $
|
|
//
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
#include "TrackingAction.hh"
|
|
|
|
#include "DetectorConstruction.hh"
|
|
#include "RunAction.hh"
|
|
#include "EventAction.hh"
|
|
#include "HistoManager.hh"
|
|
|
|
#include "G4Track.hh"
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
TrackingAction::TrackingAction(DetectorConstruction* DET,RunAction* RA,
|
|
EventAction* EA, HistoManager* HM)
|
|
:detector(DET), runaction(RA), eventaction(EA), histoManager(HM)
|
|
{ }
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void TrackingAction::PreUserTrackingAction(const G4Track* aTrack )
|
|
{
|
|
// few initialisations
|
|
//
|
|
if (aTrack->GetTrackID() == 1) {
|
|
xstartAbs = detector->GetxstartAbs();
|
|
xendAbs = detector->GetxendAbs();
|
|
primaryCharge = aTrack->GetDefinition()->GetPDGCharge();
|
|
}
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void TrackingAction::PostUserTrackingAction(const G4Track* aTrack)
|
|
{
|
|
G4ThreeVector position = aTrack->GetPosition();
|
|
G4ThreeVector vertex = aTrack->GetVertexPosition();
|
|
G4double charge = aTrack->GetDefinition()->GetPDGCharge();
|
|
|
|
G4bool transmit = ((position.x() >= xendAbs) && (vertex.x() < xendAbs));
|
|
G4bool reflect = (position.x() <= xstartAbs);
|
|
G4bool notabsor = (transmit || reflect);
|
|
|
|
//transmitted + reflected particles counter
|
|
//
|
|
G4int flag = 0;
|
|
if (charge == primaryCharge) flag = 1;
|
|
if (aTrack->GetTrackID() == 1) flag = 2;
|
|
if (transmit) eventaction->SetTransmitFlag(flag);
|
|
if (reflect) eventaction->SetReflectFlag(flag);
|
|
|
|
//
|
|
//histograms
|
|
//
|
|
G4bool charged = (charge != 0.);
|
|
G4bool neutral = !charged;
|
|
|
|
//energy spectrum at exit
|
|
//
|
|
G4int id = 0;
|
|
if (transmit && charged) id = 10;
|
|
else if (transmit && neutral) id = 20;
|
|
else if (reflect && charged) id = 30;
|
|
else if (reflect && neutral) id = 40;
|
|
|
|
if (id>0)
|
|
histoManager->FillHisto(id, aTrack->GetKineticEnergy());
|
|
|
|
//energy leakage
|
|
//
|
|
if (notabsor) {
|
|
G4int trackID = aTrack->GetTrackID();
|
|
G4int index = 0; if (trackID > 1) index = 1; //primary=0, secondaries=1
|
|
G4double eleak = aTrack->GetKineticEnergy();
|
|
if ((aTrack->GetDefinition() == G4Positron::Positron()) && (trackID > 1))
|
|
eleak += 2*electron_mass_c2;
|
|
runaction->AddEnergyLeak(eleak,index);
|
|
}
|
|
|
|
//space angle distribution at exit : dN/dOmega
|
|
//
|
|
G4ThreeVector direction = aTrack->GetMomentumDirection();
|
|
id = 0;
|
|
if (transmit && charged) id = 12;
|
|
else if (transmit && neutral) id = 22;
|
|
else if (reflect && charged) id = 32;
|
|
else if (reflect && neutral) id = 42;
|
|
|
|
if (id>0) {
|
|
G4double theta = std::acos(direction.x());
|
|
G4double dteta = histoManager->GetBinWidth(id);
|
|
G4double unit = histoManager->GetHistoUnit(id);
|
|
G4double weight = (unit*unit)/(twopi*std::sin(theta)*dteta);
|
|
histoManager->FillHisto(id,theta,weight);
|
|
}
|
|
|
|
//energy fluence at exit : dE(MeV)/dOmega
|
|
//
|
|
id = 0;
|
|
if (transmit && charged) id = 11;
|
|
else if (transmit && neutral) id = 21;
|
|
else if (reflect && charged) id = 31;
|
|
else if (reflect && neutral) id = 41;
|
|
|
|
if (id>0) {
|
|
G4double theta = std::acos(direction.x());
|
|
G4double dteta = histoManager->GetBinWidth(id);
|
|
G4double unit = histoManager->GetHistoUnit(id);
|
|
G4double weight = (unit*unit)/(twopi*std::sin(theta)*dteta);
|
|
weight *= (aTrack->GetKineticEnergy()/MeV);
|
|
histoManager->FillHisto(id,theta,weight);
|
|
}
|
|
|
|
//projected angles distribution at exit
|
|
//
|
|
id = 0;
|
|
if (transmit && charged) id = 13;
|
|
else if (transmit && neutral) id = 23;
|
|
else if (reflect && charged) id = 33;
|
|
else if (reflect && neutral) id = 43;
|
|
|
|
if(id>0) {
|
|
G4double tet = std::atan(direction.y()/std::fabs(direction.x()));
|
|
histoManager->FillHisto(id,tet);
|
|
if (transmit && (flag == 2)) runaction->AddMscProjTheta(tet);
|
|
|
|
tet = std::atan(direction.z()/std::fabs(direction.x()));
|
|
histoManager->FillHisto(id,tet);
|
|
if (transmit && (flag == 2)) runaction->AddMscProjTheta(tet);
|
|
}
|
|
|
|
//projected position and radius at exit
|
|
//
|
|
id = 0;
|
|
if (transmit && charged) id = 14;
|
|
|
|
if (id>0) {
|
|
G4double y = position.y(), z = position.z();
|
|
G4double r = std::sqrt(y*y + z*z);
|
|
histoManager->FillHisto(id, y);
|
|
histoManager->FillHisto(id, z);
|
|
histoManager->FillHisto(id+1, r);
|
|
}
|
|
|
|
//x-vertex of charged secondaries
|
|
//
|
|
if ((aTrack->GetParentID() == 1) && charged) {
|
|
G4double xVertex = (aTrack->GetVertexPosition()).x();
|
|
histoManager->FillHisto(4, xVertex);
|
|
if (notabsor) histoManager->FillHisto(5, xVertex);
|
|
}
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|