ch5/src/SensitiveDetector.cc

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 // gpaterno, October 2025
0027 //
0028 /// \file SensitiveDetector.cc
0029 /// \brief Implementation of the SensitiveDetector class
0030 //
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0032
0033 #include "SensitiveDetector.hh"
0034 #include "SensitiveDetectorHit.hh"
0035 #include "DetectorConstruction.hh"
0036
0037 #include "G4RunManager.hh"
0038 #include "G4HCofThisEvent.hh"
0039 #include "G4TouchableHistory.hh"
0040 #include "G4Track.hh"
0041 #include "G4Step.hh"
0042 #include "G4SDManager.hh"
0043 #include "G4Navigator.hh"
0044 #include "G4ios.hh"
0045
0046 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0047
0048 SensitiveDetector::SensitiveDetector(G4String name):G4VSensitiveDetector(name)
0049 {
0050     G4String HCname;
0051     collectionName.insert(HCname="collection");
0052 }
0053
0054 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0055
0056 void SensitiveDetector::Initialize(G4HCofThisEvent* HCE)
0057 {
0058     fHitsCollection =
0059         new SensitiveDetectorHitsCollection(SensitiveDetectorName,collectionName[0]);
0060     if (fHCID < 0)
0061         fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(fHitsCollection);
0062     HCE->AddHitsCollection(fHCID, fHitsCollection);
0063 }
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0066
0067 bool SensitiveDetector::ProcessHits(G4Step* aStep, G4TouchableHistory*)
0068 {
0069     G4Track* vTrack = aStep->GetTrack();
0070
0071     G4StepPoint* preStepPoint = aStep->GetPreStepPoint();
0072
0073     if (!(preStepPoint->GetStepStatus() == fGeomBoundary)) {return true;}
0074
0075     G4String particle =
0076         vTrack->GetDynamicParticle()->GetParticleDefinition()->GetParticleName();
0077
0078     G4ThreeVector position = preStepPoint->GetPosition();
0079
0080     G4int detID = preStepPoint->GetTouchableHandle()->GetVolume()->GetCopyNo();
0081
0082     G4ThreeVector momentum = preStepPoint->GetMomentum();
0083
0084     if (momentum.getZ() > 0) {
0085         SensitiveDetectorHit* aHit = new SensitiveDetectorHit();
0086         aHit->SetParticle(particle);
0087         aHit->SetDetID(detID);
0088         aHit->SetPos(position);
0089         aHit->SetMom(momentum);
0090         aHit->SetEnergy(preStepPoint->GetKineticEnergy());
0091         aHit->SetTime(preStepPoint->GetGlobalTime());
0092         aHit->SetWeight(vTrack->GetWeight());
0093         aHit->SetTrackID(vTrack->GetTrackID());
0094         aHit->SetTrackIDP(vTrack->GetParentID());
0095         fHitsCollection->insert(aHit);
0096     }
0097
0098     return true;
0099 }
0100 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
0101