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geant4/examples/extended/physicslists/shared/src/ScreenSD.cc
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2021-12-10 16:15:15 +00:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
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// * This code implementation is the result of the scientific and *
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//
//
/// \file ScreenSD.cc
/// \brief Implementation of the ScreenSD class
//
#include "ScreenSD.hh"
#include "G4VTouchable.hh"
#include "G4Step.hh"
#include "G4ios.hh"
#include "G4SystemOfUnits.hh"
#include "G4AnalysisManager.hh"
#include "G4VProcess.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
ScreenSD::ScreenSD(const G4String& name)
: G4VSensitiveDetector(name)
{}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
ScreenSD::~ScreenSD()
{}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void ScreenSD::Initialize(G4HCofThisEvent* /*hce*/)
{}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool ScreenSD::ProcessHits(G4Step* step, G4TouchableHistory* /*history*/)
{
// Current track:
const G4Track* track = step->GetTrack();
// Track ID:
G4int ID = track->GetTrackID();
// code PDG:
G4int pdgCode = track->GetDefinition()->GetPDGEncoding();
// Remember preStepPoint:
G4StepPoint* preStepPoint = step->GetPreStepPoint();
// Ekin:
G4double Ekin = preStepPoint->GetKineticEnergy();
// Obtain local coordinates:
const G4VTouchable* touchable = preStepPoint->GetTouchable();
G4ThreeVector globalPosition = preStepPoint->GetPosition();
G4ThreeVector localPosition
= touchable->GetHistory()->GetTopTransform().TransformPoint(globalPosition);
// // Example for obtaining the local direction:
// G4ThreeVector globalDirection = preStepPoint->GetMomentumDirection();
// G4ThreeVector localDirection
// = touchable->GetHistory()->GetTopTransform().TransformAxis(localDirection);
// Time
G4double time = preStepPoint->GetGlobalTime();
// Store hit in the ntuple
G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
analysisManager->FillNtupleIColumn(0, ID);
analysisManager->FillNtupleIColumn(1, pdgCode);
analysisManager->FillNtupleDColumn(2, Ekin/MeV);
analysisManager->FillNtupleDColumn(3, localPosition.x()/cm);
analysisManager->FillNtupleDColumn(4, localPosition.y()/cm);
analysisManager->FillNtupleDColumn(5, time/ns);
analysisManager->AddNtupleRow();
return true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void ScreenSD::EndOfEvent(G4HCofThisEvent* /*hce*/)
{}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......