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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // 27 /// \file ScreenSD.cc 28 /// \brief Implementation of the ScreenSD class 29 // 30 31 #include "ScreenSD.hh" 32 33 #include "G4AnalysisManager.hh" 34 #include "G4Step.hh" 35 #include "G4SystemOfUnits.hh" 36 #include "G4VProcess.hh" 37 #include "G4VTouchable.hh" 38 #include "G4ios.hh" 39 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 41 42 ScreenSD::ScreenSD(const G4String& name) : G4VSensitiveDetector(name) {} 43 44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 45 46 void ScreenSD::Initialize(G4HCofThisEvent* /*hce*/) {} 47 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 49 50 G4bool ScreenSD::ProcessHits(G4Step* step, G4TouchableHistory* /*history*/) 51 { 52 // Current track: 53 const G4Track* track = step->GetTrack(); 54 55 // Track ID: 56 G4int ID = track->GetTrackID(); 57 58 // code PDG: 59 G4int pdgCode = track->GetDefinition()->GetPDGEncoding(); 60 61 // Remember preStepPoint: 62 G4StepPoint* preStepPoint = step->GetPreStepPoint(); 63 64 // Ekin: 65 G4double Ekin = preStepPoint->GetKineticEnergy(); 66 67 // Obtain local coordinates: 68 const G4VTouchable* touchable = preStepPoint->GetTouchable(); 69 G4ThreeVector globalPosition = preStepPoint->GetPosition(); 70 G4ThreeVector localPosition = 71 touchable->GetHistory()->GetTopTransform().TransformPoint(globalPosition); 72 // // Example for obtaining the local direction: 73 // G4ThreeVector globalDirection = preStepPoint->GetMomentumDirection(); 74 // G4ThreeVector localDirection 75 // = touchable->GetHistory()->GetTopTransform().TransformAxis(localDirection); 76 77 // Time 78 G4double time = preStepPoint->GetGlobalTime(); 79 80 // Store hit in the ntuple 81 G4AnalysisManager* analysisManager = G4AnalysisManager::Instance(); 82 analysisManager->FillNtupleIColumn(0, ID); 83 analysisManager->FillNtupleIColumn(1, pdgCode); 84 analysisManager->FillNtupleDColumn(2, Ekin / MeV); 85 analysisManager->FillNtupleDColumn(3, localPosition.x() / cm); 86 analysisManager->FillNtupleDColumn(4, localPosition.y() / cm); 87 analysisManager->FillNtupleDColumn(5, time / ns); 88 analysisManager->AddNtupleRow(); 89 90 return true; 91 } 92 93 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 94 95 void ScreenSD::EndOfEvent(G4HCofThisEvent* /*hce*/) {} 96 97 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 98