shared/src/ScreenSD.cc

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0025 //
0026 /// \file ScreenSD.cc
0027 /// \brief Implementation of the ScreenSD class
0028
0029 #include "ScreenSD.hh"
0030
0031 #include "G4AnalysisManager.hh"
0032 #include "G4Step.hh"
0033 #include "G4SystemOfUnits.hh"
0034 #include "G4VProcess.hh"
0035 #include "G4VTouchable.hh"
0036 #include "G4ios.hh"
0037
0038 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0039
0040 ScreenSD::ScreenSD(const G4String& name) : G4VSensitiveDetector(name) {}
0041
0042 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0043
0044 void ScreenSD::Initialize(G4HCofThisEvent* /*hce*/) {}
0045
0046 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0047
0048 G4bool ScreenSD::ProcessHits(G4Step* step, G4TouchableHistory* /*history*/)
0049 {
0050   // Current track:
0051   const G4Track* track = step->GetTrack();
0052
0053   // Track ID:
0054   G4int ID = track->GetTrackID();
0055
0056   // code PDG:
0057   G4int pdgCode = track->GetDefinition()->GetPDGEncoding();
0058
0059   // Remember preStepPoint:
0060   G4StepPoint* preStepPoint = step->GetPreStepPoint();
0061
0062   // Ekin:
0063   G4double Ekin = preStepPoint->GetKineticEnergy();
0064
0065   // Obtain local coordinates:
0066   const G4VTouchable* touchable = preStepPoint->GetTouchable();
0067   G4ThreeVector globalPosition = preStepPoint->GetPosition();
0068   G4ThreeVector localPosition =
0069     touchable->GetHistory()->GetTopTransform().TransformPoint(globalPosition);
0070   // // Example for obtaining the local direction:
0071   // G4ThreeVector globalDirection = preStepPoint->GetMomentumDirection();
0072   // G4ThreeVector localDirection
0073   //   = touchable->GetHistory()->GetTopTransform().TransformAxis(localDirection);
0074
0075   // Time
0076   G4double time = preStepPoint->GetGlobalTime();
0077
0078   // Store hit in the ntuple
0079   G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
0080   analysisManager->FillNtupleIColumn(0, ID);
0081   analysisManager->FillNtupleIColumn(1, pdgCode);
0082   analysisManager->FillNtupleDColumn(2, Ekin / MeV);
0083   analysisManager->FillNtupleDColumn(3, localPosition.x() / cm);
0084   analysisManager->FillNtupleDColumn(4, localPosition.y() / cm);
0085   analysisManager->FillNtupleDColumn(5, time / ns);
0086   analysisManager->AddNtupleRow();
0087
0088   return true;
0089 }
0090
0091 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0092
0093 void ScreenSD::EndOfEvent(G4HCofThisEvent* /*hce*/) {}
0094
0095 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......