Geant4 Cross Reference

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Geant4/examples/extended/eventgenerator/exgps/src/TrackingAction.cc

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 26 //
 27 /// \file eventgenerator/exgps/src/TrackingAction.cc
 28 /// \brief Implementation of the TrackingAction class
 29 //
 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 32 
 33 #include "TrackingAction.hh"
 34 
 35 #include "HistoManager.hh"
 36 
 37 #include "G4PhysicalConstants.hh"
 38 #include "G4SystemOfUnits.hh"
 39 #include "G4Track.hh"
 40 
 41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 42 
 43 TrackingAction::TrackingAction() : G4UserTrackingAction() {}
 44 
 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 46 
 47 void TrackingAction::PreUserTrackingAction(const G4Track* track)
 48 {
 49   G4int pid = track->GetDynamicParticle()->GetPDGcode();
 50   G4double ekin = track->GetKineticEnergy();
 51   G4ThreeVector vertex = track->GetPosition();
 52   G4ThreeVector direction = track->GetMomentumDirection();
 53   G4double weight = track->GetWeight();
 54 
 55   G4double x = vertex.x(), y = vertex.y(), z = vertex.z();
 56   G4double theta = direction.theta(), phi = direction.phi();
 57   if (phi < 0.) phi += twopi;
 58   G4double cost = std::cos(theta);
 59 
 60   G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
 61 
 62   G4double r = vertex.mag();
 63   G4double dr = analysisManager->GetH1Width(2);
 64   G4double dv = 2 * twopi * r * r * dr;
 65 
 66   // fill histograms
 67   analysisManager->FillH1(1, ekin);
 68   if (dv > 0.) analysisManager->FillH1(2, r, 1. / dv);
 69   analysisManager->FillH1(3, cost);
 70   analysisManager->FillH1(4, phi);
 71   analysisManager->FillH2(1, x, y);
 72   analysisManager->FillH2(2, y, z);
 73   analysisManager->FillH2(3, z, x);
 74   analysisManager->FillH2(4, phi, cost);
 75   analysisManager->FillH2(5, phi, theta);
 76 
 77   // fill ntuple
 78   analysisManager->FillNtupleIColumn(0, pid);
 79   analysisManager->FillNtupleDColumn(1, ekin);
 80   analysisManager->FillNtupleDColumn(2, x);
 81   analysisManager->FillNtupleDColumn(3, y);
 82   analysisManager->FillNtupleDColumn(4, z);
 83   analysisManager->FillNtupleDColumn(5, theta);
 84   analysisManager->FillNtupleDColumn(6, phi);
 85   analysisManager->FillNtupleDColumn(7, weight);
 86   analysisManager->AddNtupleRow();
 87 }
 88 
 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 90