AuNP/src/SteppingAction.cc

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0025 //
0026 /// \file SteppingAction.cc
0027 /// \brief Implementation of the SteppingAction class
0028
0029 #include "SteppingAction.hh"
0030
0031 #include "DetectorConstruction.hh"
0032 #include "HistoManager.hh"
0033
0034 #include "G4RunManager.hh"
0035 #include "G4DNAChemistryManager.hh"
0036 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0037
0038 SteppingAction::SteppingAction() {
0039   fpDetector = dynamic_cast<const DetectorConstruction *>(
0040     G4RunManager::GetRunManager()->GetUserDetectorConstruction());
0041   fRNP = fpDetector->GetNPRadius() / CLHEP::nm;
0042   fRAbs = fpDetector->GetAbsRadius() / CLHEP::nm;
0043   fTrackCut = fpDetector->GetTrackingCut() / CLHEP::eV;
0044 }
0045
0046 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0047
0048 void SteppingAction::UserSteppingAction(const G4Step *aStep) {
0049   // Refresh detector parameters (kept to preserve original behavior)
0050   fpDetector = dynamic_cast<const DetectorConstruction *>(
0051     G4RunManager::GetRunManager()->GetUserDetectorConstruction());
0052   fRNP = fpDetector->GetNPRadius() / CLHEP::nm;
0053   fRAbs = fpDetector->GetAbsRadius() / CLHEP::nm;
0054   fTrackCut = fpDetector->GetTrackingCut() / CLHEP::eV;
0055
0056   const auto pre = aStep->GetPreStepPoint();
0057   const auto post = aStep->GetPostStepPoint();
0058
0059   const G4ThreeVector &pos = pre->GetPosition();
0060   const G4ThreeVector &postpos = post->GetPosition();
0061
0062   const G4double R = pos.mag() / CLHEP::nm;
0063
0064   G4AnalysisManager *analysisManager = G4AnalysisManager::Instance();
0065
0066   // Radial energy deposition
0067   if (fRNP < R) {
0068     const G4double energy = aStep->GetTotalEnergyDeposit() / CLHEP::joule;
0069     analysisManager->FillH1(1, R, energy);
0070
0071     // Angular distribution in the near-equatorial plane
0072     if (std::abs(pos.z()) < 10 * CLHEP::nm) {
0073       const G4double theta = std::atan2(pos.y(), pos.x()) / CLHEP::deg;
0074       if (0 <= theta) {
0075         analysisManager->FillH2(0, theta, R, energy);
0076       } else {
0077         analysisManager->FillH2(0, theta + 360, R, energy);
0078       }
0079     }
0080   }
0081
0082   // Process tracks crossing NanoParticle boundary
0083   if (pre->GetPhysicalVolume()->GetName() != "NanoParticle") {
0084     return;
0085   }
0086   if (post->GetStepStatus() != fGeomBoundary) {
0087     return;
0088   }
0089
0090   //*** WARNING: this will kill all incident electrons at the NP surface (as in original code) ***
0091   G4Track *track = aStep->GetTrack();
0092   const G4double trackE = track->GetKineticEnergy() / CLHEP::eV;
0093
0094   if (track->GetTrackID() == 1) {
0095     if (pos.x() < 0) {
0096       analysisManager->FillH1(8, trackE);
0097     } else {
0098       analysisManager->FillH1(9, trackE);
0099     }
0100     if (!G4DNAChemistryManager::IsActivated()) {
0101       track->SetTrackStatus(fStopAndKill);
0102     }
0103     return;
0104   }
0105
0106   const G4ThreeVector &dir = post->GetMomentumDirection();
0107   if (dir.dot(postpos) < 0.0) {
0108     return;
0109   }
0110
0111   if (trackE < fTrackCut) {
0112     track->SetTrackStatus(fStopAndKill);
0113     return;
0114   }
0115
0116   if (track->GetDefinition()->GetPDGCharge() != 0) {
0117     analysisManager->FillH1(4, trackE);
0118   } else {
0119     analysisManager->FillH1(5, trackE);
0120   }
0121 }
0122
0123 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......