B5/src/HadCalorimeterSD.cc

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0025 //
0026 /// \file HadCalorimeterSD.cc
0027 /// \brief Implementation of the B5::HadCalorimeterSD class
0028
0029 #include "HadCalorimeterSD.hh"
0030
0031 #include "Constants.hh"
0032 #include "HadCalorimeterHit.hh"
0033
0034 #include "G4AffineTransform.hh"
0035 #include "G4HCofThisEvent.hh"
0036 #include "G4SDManager.hh"
0037 #include "G4Step.hh"
0038 #include "G4StepPoint.hh"
0039
0040 namespace B5
0041 {
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 HadCalorimeterSD::HadCalorimeterSD(G4String name) : G4VSensitiveDetector(name)
0046 {
0047   collectionName.insert("HadCalorimeterColl");
0048 }
0049
0050 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0051
0052 void HadCalorimeterSD::Initialize(G4HCofThisEvent* hce)
0053 {
0054   fHitsCollection = new HadCalorimeterHitsCollection(SensitiveDetectorName, collectionName[0]);
0055   if (fHCID < 0) {
0056     fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(fHitsCollection);
0057   }
0058   hce->AddHitsCollection(fHCID, fHitsCollection);
0059
0060   // fill calorimeter hits with zero energy deposition
0061   for (auto column = 0; column < kNofHadColumns; column++) {
0062     for (auto row = 0; row < kNofHadRows; row++) {
0063       fHitsCollection->insert(new HadCalorimeterHit());
0064     }
0065   }
0066 }
0067
0068 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0069
0070 G4bool HadCalorimeterSD::ProcessHits(G4Step* step, G4TouchableHistory*)
0071 {
0072   auto edep = step->GetTotalEnergyDeposit();
0073   if (edep == 0.) return true;
0074
0075   auto touchable = step->GetPreStepPoint()->GetTouchable();
0076   auto rowNo = touchable->GetCopyNumber(2);
0077   auto columnNo = touchable->GetCopyNumber(3);
0078   auto hitID = kNofHadRows * columnNo + rowNo;
0079   auto hit = (*fHitsCollection)[hitID];
0080
0081   // check if it is first touch
0082   if (hit->GetColumnID() < 0) {
0083     hit->SetColumnID(columnNo);
0084     hit->SetRowID(rowNo);
0085     auto depth = touchable->GetHistory()->GetDepth();
0086     auto transform = touchable->GetHistory()->GetTransform(depth - 2);
0087     transform.Invert();
0088     hit->SetRot(transform.NetRotation());
0089     hit->SetPos(transform.NetTranslation());
0090   }
0091   // add energy deposition
0092   hit->AddEdep(edep);
0093
0094   return true;
0095 }
0096
0097 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0098
0099 }  // namespace B5