CaTS/src/MscSD.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 MscSD.cc
0040 /// \brief Implementation of the CaTS::MscSD class
0041
0042 // Geant4 headers
0043 #include "G4HCofThisEvent.hh"
0044 #include "G4Step.hh"
0045 #include "G4SDManager.hh"
0046 // project headers
0047 #include "MscSD.hh"
0048 #include "ConfigurationManager.hh"
0049
0050 MscSD::MscSD(G4String name)
0051   : G4VSensitiveDetector(name)
0052 {
0053   G4String HCname = name + "_HC";
0054   collectionName.insert(HCname);
0055   G4cout << collectionName.size() << "   MscSD name:  " << name
0056          << " collection Name: " << HCname << G4endl;
0057   fHCID   = -1;
0058   verbose = ConfigurationManager::getInstance()->isEnable_verbose();
0059 }
0060
0061 void MscSD::Initialize(G4HCofThisEvent* hce)
0062 {
0063   fMscHitsCollection =
0064     new MscHitsCollection(SensitiveDetectorName, collectionName[0]);
0065   if(fHCID < 0)
0066   {
0067     if(verbose)
0068       G4cout << "MscSD::Initialize:  " << SensitiveDetectorName << "   "
0069              << collectionName[0] << G4endl;
0070     fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]);
0071   }
0072   hce->AddHitsCollection(fHCID, fMscHitsCollection);
0073   done = false;
0074 }
0075
0076 G4bool MscSD::ProcessHits(G4Step* aStep, G4TouchableHistory*)
0077 {
0078   if(!done)
0079   {
0080     if(aStep->GetTrack()->GetParentID() ==
0081        0)  // only care about the primary particle
0082     {
0083       const G4StepPoint* postStep = aStep->GetPostStepPoint();
0084       if(postStep->GetStepStatus() == fGeomBoundary)
0085       {
0086         MscHit* newHit =
0087           new MscHit(postStep->GetKineticEnergy(), postStep->GetMomentum());
0088         fMscHitsCollection->insert(newHit);
0089         done = true;
0090       }
0091     }
0092   }
0093   return true;
0094 }
0095
0096 void MscSD::EndOfEvent(G4HCofThisEvent*)
0097 {
0098   G4int NbHits = fMscHitsCollection->entries();
0099   if(verbose)
0100     G4cout << " Number of MscHits:  " << NbHits << G4endl;
0101 }