HGCal_testbeam/src/SiPMHit.cc

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0025 //
0026 #include "SiPMHit.hh"
0027
0028 #include <cstdlib>
0029
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031
0032 SiPMHit::SiPMHit(G4String aVolumeName, G4int aCopyNumSensor,
0033                  G4int aCopyNumCell)
0034     : fVolumeName(aVolumeName), fCopyNumCell(aCopyNumCell),
0035       fCopyNumSensor(aCopyNumSensor) {}
0036
0037 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0038
0039 void SiPMHit::Digitise(const G4double aTimeWindow,
0040                        const G4double aToaThreshold) {
0041
0042   // process energy deposits
0043   if (fEdep.empty()) {
0044     fIsValidHit = false;
0045     return;
0046   }
0047
0048   std::sort(fEdep.begin(), fEdep.end(),
0049             [](const std::pair<G4double, G4double> &left,
0050                const std::pair<G4double, G4double> &right) {
0051               return left.second < right.second; // second = time
0052             });
0053
0054   G4double firstHitTime = fEdep[0].second;
0055   fEdepDigi = 0;
0056   for (size_t i = 0; i < fEdep.size(); ++i) {
0057     if (aTimeWindow < 0 || fEdep[i].second < firstHitTime + aTimeWindow)
0058       fEdepDigi += fEdep[i].first;
0059 #ifdef DEBUG
0060     else
0061       std::cout << "Rejecting hit (" << fEdep[i].first << " keV)  at time "
0062                 << fEdep[i].second << "(start: " << firstHitTime << ")"
0063                 << std::endl;
0064 #endif
0065     if ((fTimeOfArrival == -1) && (fEdepDigi > aToaThreshold))
0066       fTimeOfArrival = fEdep[i].second;
0067   }
0068   fIsValidHit = (fEdepDigi > 0);
0069
0070   // non ionizing part, does not contribute to TOAs
0071   if (fEdepNonIonizing.empty())
0072     return;
0073
0074   std::sort(fEdepNonIonizing.begin(), fEdepNonIonizing.end(),
0075             [](const std::pair<G4double, G4double> &left,
0076                const std::pair<G4double, G4double> &right) {
0077               return left.second < right.second; // second = time
0078             });
0079
0080   fEdepNonIonizingDigi = 0;
0081   for (size_t i = 0; i < fEdepNonIonizing.size(); ++i) {
0082     if (aTimeWindow == -1 ||
0083         fEdepNonIonizing[i].second < firstHitTime + aTimeWindow)
0084       fEdepNonIonizingDigi += fEdepNonIonizing[i].first;
0085   }
0086 }