CaTS/src/TrackerSD.cc

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0025 //
0026 // ********************************************************************
0027 //
0028 //  CaTS (Calorimetry and Tracking Simulation)
0029 //
0030 //  Authors : Hans Wenzel
0031 //            Soon Yung Jun
0032 //            (Fermi National Accelerator Laboratory)
0033 //
0034 // History
0035 //   October 18th, 2021 : first implementation
0036 //
0037 // ********************************************************************
0038 //
0039 /// \file TrackerSD.cc
0040 /// \brief Implementation of the CaTS::TrackerSD class
0041
0042 // Geant4 headers
0043 #include "G4HCofThisEvent.hh"
0044 #include "G4Step.hh"
0045 #include "G4SDManager.hh"
0046 #include "G4SystemOfUnits.hh"
0047 // project headers
0048 #include "TrackerSD.hh"
0049 #include "ConfigurationManager.hh"
0050
0051 TrackerSD::TrackerSD(G4String name)
0052   : G4VSensitiveDetector(name)
0053 {
0054   G4String HCname = name + "_HC";
0055   collectionName.insert(HCname);
0056   G4cout << collectionName.size() << "   TrackerSD name:  " << name
0057          << " collection Name: " << HCname << G4endl;
0058   fHCID   = -1;
0059   verbose = ConfigurationManager::getInstance()->isEnable_verbose();
0060 }
0061
0062 void TrackerSD::Initialize(G4HCofThisEvent* hce)
0063 {
0064   fTrackerHitsCollection =
0065     new TrackerHitsCollection(SensitiveDetectorName, collectionName[0]);
0066   if(fHCID < 0)
0067   {
0068     if(verbose)
0069       G4cout << "TrackerSD::Initialize:  " << SensitiveDetectorName << "   "
0070              << collectionName[0] << G4endl;
0071     fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]);
0072   }
0073   hce->AddHitsCollection(fHCID, fTrackerHitsCollection);
0074 }
0075
0076 G4bool TrackerSD::ProcessHits(G4Step* aStep, G4TouchableHistory*)
0077 {
0078   G4double edep = aStep->GetTotalEnergyDeposit();
0079   if(edep == 0. || aStep->GetTrack()->GetDynamicParticle()->GetCharge() == 0)
0080   {
0081     return false;
0082   }
0083   TrackerHit* newHit =
0084     new TrackerHit(edep, aStep->GetPostStepPoint()->GetPosition(),
0085                    aStep->GetPostStepPoint()->GetGlobalTime() / ns);
0086   fTrackerHitsCollection->insert(newHit);
0087   return true;
0088 }
0089
0090 void TrackerSD::EndOfEvent(G4HCofThisEvent*)
0091 {
0092   G4int NbHits = fTrackerHitsCollection->entries();
0093   if(verbose)
0094     G4cout << " Number of TrackerHits:  " << NbHits << G4endl;
0095 }