C++ KVDetector::GetNHits方法代码示例

//.........这里部分代码省略.........
         d1->SetEnergyLoss(e1);
         d1->SetEResAfterDetector(e2);
         e1 = d1->GetCorrectedEnergy(nuc);
         //status code
         fCalibStatus = kCalibStatus_Calculated;
      }
   } else {//1st detector is calibrated too: get corrected energy loss

      e1 = d1->GetCorrectedEnergy(nuc);

   }

   if (d2 && !d2_cal) {//2nd detector not calibrated - calculate from energy loss in 1st detector

      e1 = d1->GetCorrectedEnergy(nuc);
      if (e1 <= 0.0) {
         // zero energy loss in 1st detector ? can't do anything...
         fCalibStatus = kCalibStatus_NoCalibrations;
         return;
      }
      //calculate & set energy loss in 2nd detector
      e2 = d1->GetEResFromDeltaE(z, a);
      if (e2 < 0.0) e2 = 0.0;
      else {
         e2 = d2->GetDeltaE(z, a, e2);
         d2->SetEnergyLoss(e2);
         e2 = d2->GetCorrectedEnergy(nuc);
         //status code
         fCalibStatus = kCalibStatus_Calculated;
      }
   } else if (d2) { //2nd detector is calibrated too: get corrected energy loss

      e2 = d2->GetCorrectedEnergy(nuc, -1, kFALSE);//N.B.: transmission=kFALSE because particle assumed to stop in d2
      // recalculate corrected energy in first stage using info on Eres
      d1->SetEResAfterDetector(e2);
      e1 = d1->GetCorrectedEnergy(nuc);
   }

   //incident energy of particle (before 1st member of telescope)
   einc = e1 + e2;

   Double_t coherence_tolerance = gEnv->GetValue("KVIDTelescope.CoherencyTolerance", 1.05);
   if (coherence_tolerance < 1) coherence_tolerance += 1.00;

   //Now we have to work our way up the list of detectors from which the particle was
   //reconstructed. For each fired & calibrated detector which is only associated with
   //one particle in the events, we add the corrected measured energy loss
   //to the particle. For uncalibrated, unfired detectors and detectors through which
   //more than one particle has passed, we calculate the corrected energy loss and add it
   //to the particle.
   int ndets = nuc->GetNumDet();
   if (ndets > (int)GetSize()) { //particle passed through other detectors before this idtelesocpe
      //look at detectors not in this id telescope
      int idet = GetSize();//next detector after delta-e member of IDTelescope (stopping detector = 0)
      while (idet < ndets) {

         KVDetector* det = nuc->GetDetector(idet);
         if (det->Fired() && det->IsCalibrated() && det->GetNHits() == 1) {
            Double_t dE = det->GetEnergy();
            //in order to check if particle was really the only one to
            //hit each detector, we calculate the particle's energy loss
            //from its residual energy. if the measured energy loss is
            //significantly larger, there may be a second particle.
            e1 = det->GetDeltaEFromERes(z, a, einc);
            if (e1 < 0.0) e1 = 0.0;
            det->SetEResAfterDetector(einc);
            dE = det->GetCorrectedEnergy(nuc);
            einc += dE;
         } else {
            // Uncalibrated/unfired/multihit detector. Calculate energy loss.
            //calculate energy of particle before detector from energy after detector
            e1 = det->GetDeltaEFromERes(z, a, einc);
            if (e1 < 0.0) e1 = 0.0;
            if (det->GetNHits() > 1) {
               //Info("CalculateParticleEnergy",
               //    "Detector %s was hit by %d particles. Calculated energy loss for particle %f MeV",
               //    det->GetName(), det->GetNHits(), e1);
               if (!(det->Fired() && det->IsCalibrated())) {
                  det->SetEnergyLoss(e1 + det->GetEnergy());// sum up calculated energy losses in uncalibrated detector
               }
               //status code
               fCalibStatus = kCalibStatus_Multihit;
            } else if (!det->Fired() || !det->IsCalibrated()) {
               //Info("CalculateParticleEnergy",
               //    "Detector %s uncalibrated/not fired. Calculated energy loss for particle %f MeV",
               //    det->GetName(), e1);
               det->SetEnergyLoss(e1);
               //status code
               fCalibStatus = kCalibStatus_Calculated;
            }
            det->SetEResAfterDetector(einc);
            e1 = det->GetCorrectedEnergy(nuc, e1);
            einc += e1;
         }
         idet++;
      }
   }
   //einc is now the energy of the particle before crossing the first detector
   nuc->SetEnergy(einc);
}