Gabriele Cosmo
144 lines
5.1 KiB
C++
144 lines
5.1 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: TrackingAction.cc,v 1.3 2004/02/19 18:18:54 maire Exp $
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// GEANT4 tag $Name: geant4-06-01 $
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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 "DetectorConstruction.hh"
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#include "RunAction.hh"
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#include "EventAction.hh"
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#include "HistoManager.hh"
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#include "G4Track.hh"
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#ifdef G4ANALYSIS_USE
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#include "AIDA/IHistogram1D.h"
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#endif
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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TrackingAction::TrackingAction(DetectorConstruction* DET,RunAction* RA,
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EventAction* EA, HistoManager* HM)
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:detector(DET), runaction(RA), eventaction(EA), histoManager(HM)
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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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// few initialisations
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//
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if (aTrack->GetTrackID() == 1) {
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worldLimit = 0.5*(detector->GetWorldSizeX());
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primaryCharge = aTrack->GetDefinition()->GetPDGCharge();
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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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{
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G4ThreeVector position = aTrack->GetPosition();
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G4double charge = aTrack->GetDefinition()->GetPDGCharge();
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G4bool transmit = (position.x() >= worldLimit);
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G4bool reflect = (position.x() <= -worldLimit);
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//transmitted + reflected particles counter
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//
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G4int flag = 0;
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if (charge == primaryCharge) flag = 1;
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if (aTrack->GetTrackID() == 1) flag = 2;
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if (transmit) eventaction->SetTransmitFlag(flag);
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if (reflect) eventaction->SetReflectFlag(flag);
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#ifdef G4ANALYSIS_USE
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//
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//histograms
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//
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G4int id = 0;
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G4bool charged = (charge != 0.);
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G4bool neutral = !charged;
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//energy spectrum at exit
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//
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if (transmit && charged) id = 4;
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else if (transmit && neutral) id = 8;
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else if (reflect && charged) id = 11;
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else if (reflect && neutral) id = 14;
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if (histoManager->GetHisto(id)) {
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G4double energy = aTrack->GetKineticEnergy();
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G4double unit = histoManager->GetHistoUnit(id);
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histoManager->GetHisto(id)->fill(energy/unit);
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}
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//space angle distribution at exit
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//
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if (transmit && charged) id = 5;
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else if (transmit && neutral) id = 9;
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else if (reflect && charged) id = 12;
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else if (reflect && neutral) id = 15;
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if (histoManager->GetHisto(id)) {
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G4ThreeVector direction = aTrack->GetMomentumDirection();
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G4double theta = acos(abs(direction.x()));
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G4double dteta = histoManager->GetBinWidth(id);
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G4double weight = 1./(2*pi*sin(theta)*dteta);
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G4double unit = histoManager->GetHistoUnit(id);
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histoManager->GetHisto(id)->fill(theta/unit,weight*unit*unit);
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}
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//projected angle distribution at exit
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//
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if (transmit && charged) id = 6;
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else if (transmit && neutral) id = 10;
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else if (reflect && charged) id = 13;
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else if (reflect && neutral) id = 16;
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if (histoManager->GetHisto(id)) {
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G4ThreeVector momentum = aTrack->GetMomentum();
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G4double unit = histoManager->GetHistoUnit(id);
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histoManager->GetHisto(id)->fill(atan(momentum.y()/abs(momentum.x()))/unit);
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histoManager->GetHisto(id)->fill(atan(momentum.z()/abs(momentum.x()))/unit);
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}
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//projected position at exit
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//
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if (transmit && charged) id = 7;
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if (histoManager->GetHisto(id)) {
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G4double unit = histoManager->GetHistoUnit(id);
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histoManager->GetHisto(id)->fill(position.y()/unit);
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histoManager->GetHisto(id)->fill(position.z()/unit);
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}
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#endif
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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