fanoCavity/src/StackingAction.cc

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0025 //
0026 /// \file medical/fanoCavity/src/StackingAction.cc
0027 /// \brief Implementation of the StackingAction class
0028 //
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032
0033 #include "StackingAction.hh"
0034
0035 #include "DetectorConstruction.hh"
0036 #include "HistoManager.hh"
0037 #include "Run.hh"
0038 #include "RunAction.hh"
0039 #include "StackingMessenger.hh"
0040
0041 #include "G4EmCalculator.hh"
0042 #include "G4RunManager.hh"
0043 #include "G4Track.hh"
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 StackingAction::StackingAction(DetectorConstruction* det) : fDetector(det), fStackMessenger(0)
0048 {
0049   fMatWall = 0;
0050   fZcav = 0.;
0051   fEmCal = 0;
0052   first = true;
0053   fKillTrack = true;
0054
0055   // create a messenger for this class
0056   fStackMessenger = new StackingMessenger(this);
0057 }
0058
0059 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0060
0061 StackingAction::~StackingAction()
0062 {
0063   delete fEmCal;
0064   delete fStackMessenger;
0065 }
0066
0067 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0068
0069 G4ClassificationOfNewTrack StackingAction::ClassifyNewTrack(const G4Track* track)
0070 {
0071   // get fDetector informations
0072   if (first) {
0073     fMatWall = fDetector->GetWallMaterial();
0074     fZcav = 0.5 * (fDetector->GetCavityThickness());
0075     fEmCal = new G4EmCalculator();
0076     first = false;
0077   }
0078
0079   G4ClassificationOfNewTrack status = fUrgent;
0080
0081   // keep primary particle or neutral
0082   //
0083   G4ParticleDefinition* particle = track->GetDefinition();
0084   G4bool neutral = (particle->GetPDGCharge() == 0.);
0085   if ((track->GetParentID() == 0) || neutral) return status;
0086
0087   Run* run = static_cast<Run*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());
0088
0089   // energy spectrum of charged secondaries
0090   //
0091   G4double energy = track->GetKineticEnergy();
0092   run->SumEsecond(energy);
0093
0094   // kill e- which cannot reach Cavity
0095   //
0096   G4double position = (track->GetPosition()).z();
0097   G4double safe = std::abs(position) - fZcav;
0098   G4double range = fEmCal->GetRangeFromRestricteDEDX(energy, particle, fMatWall);
0099   if (fKillTrack) {
0100     if (range < 0.8 * safe) status = fKill;
0101   }
0102
0103   // histograms
0104   //
0105   G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
0106   analysisManager->FillH1(1, position);
0107   analysisManager->FillH1(2, energy);
0108   G4ThreeVector direction = track->GetMomentumDirection();
0109   analysisManager->FillH1(3, std::acos(direction.z()));
0110
0111   return status;
0112 }
0113
0114 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......