B5/src/HadCalorimeterSD.cc

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0026 //
0027 /// \file B5/src/HadCalorimeterSD.cc
0028 /// \brief Implementation of the B5::HadCalorimeterSD class
0029
0030 #include "HadCalorimeterSD.hh"
0031
0032 #include "Constants.hh"
0033 #include "HadCalorimeterHit.hh"
0034
0035 #include "G4AffineTransform.hh"
0036 #include "G4HCofThisEvent.hh"
0037 #include "G4SDManager.hh"
0038 #include "G4Step.hh"
0039 #include "G4StepPoint.hh"
0040
0041 namespace B5
0042 {
0043
0044 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0045
0046 HadCalorimeterSD::HadCalorimeterSD(G4String name) : G4VSensitiveDetector(name)
0047 {
0048   collectionName.insert("HadCalorimeterColl");
0049 }
0050
0051 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0052
0053 void HadCalorimeterSD::Initialize(G4HCofThisEvent* hce)
0054 {
0055   fHitsCollection = new HadCalorimeterHitsCollection(SensitiveDetectorName, collectionName[0]);
0056   if (fHCID < 0) {
0057     fHCID = G4SDManager::GetSDMpointer()->GetCollectionID(fHitsCollection);
0058   }
0059   hce->AddHitsCollection(fHCID, fHitsCollection);
0060
0061   // fill calorimeter hits with zero energy deposition
0062   for (auto column = 0; column < kNofHadColumns; column++) {
0063     for (auto row = 0; row < kNofHadRows; row++) {
0064       fHitsCollection->insert(new HadCalorimeterHit());
0065     }
0066   }
0067 }
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0070
0071 G4bool HadCalorimeterSD::ProcessHits(G4Step* step, G4TouchableHistory*)
0072 {
0073   auto edep = step->GetTotalEnergyDeposit();
0074   if (edep == 0.) return true;
0075
0076   auto touchable = step->GetPreStepPoint()->GetTouchable();
0077   auto rowNo = touchable->GetCopyNumber(2);
0078   auto columnNo = touchable->GetCopyNumber(3);
0079   auto hitID = kNofHadRows * columnNo + rowNo;
0080   auto hit = (*fHitsCollection)[hitID];
0081
0082   // check if it is first touch
0083   if (hit->GetColumnID() < 0) {
0084     hit->SetColumnID(columnNo);
0085     hit->SetRowID(rowNo);
0086     auto depth = touchable->GetHistory()->GetDepth();
0087     auto transform = touchable->GetHistory()->GetTransform(depth - 2);
0088     transform.Invert();
0089     hit->SetRot(transform.NetRotation());
0090     hit->SetPos(transform.NetTranslation());
0091   }
0092   // add energy deposition
0093   hit->AddEdep(edep);
0094
0095   return true;
0096 }
0097
0098 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0099
0100 }  // namespace B5