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THcScintillatorPlane.cxx 46.2 KiB
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    THcRawHodoHit* hit = (THcRawHodoHit *) rawhits->At(ihit);
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    if(hit->fPlane > fPlaneNum) {
      break;
    }
    Int_t element = hit->fCounter - 1; // Should check if in range
    Int_t adcpos = hit->GetRawAdcHitPos().GetPulseIntRaw();
    Int_t adcneg = hit->GetRawAdcHitNeg().GetPulseIntRaw();
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    if(adcpos <= fPosPedLimit[element]) {
      fPosPedSum[element] += adcpos;
      fPosPedSum2[element] += adcpos*adcpos;
      fPosPedCount[element]++;
      if(fPosPedCount[element] == fMinPeds/5) {
	fPosPedLimit[element] = 100 + fPosPedSum[element]/fPosPedCount[element];
      }
    }
    if(adcneg <= fNegPedLimit[element]) {
      fNegPedSum[element] += adcneg;
      fNegPedSum2[element] += adcneg*adcneg;
      fNegPedCount[element]++;
      if(fNegPedCount[element] == fMinPeds/5) {
	fNegPedLimit[element] = 100 + fNegPedSum[element]/fNegPedCount[element];
      }
    }
    ihit++;
  }

  fNPedestalEvents++;

  return(ihit);
}

//_____________________________________________________________________________
void THcScintillatorPlane::CalculatePedestals( )
{
  /*! \brief   Calculate pedestals from arrays made in THcScintillatorPlane::AccumulatePedestals
   *
   * - Calculate pedestals from arrays made in THcScintillatorPlane::AccumulatePedestals
   * - In old fortran ENGINE code, a comparison was made between calculated pedestals and the pedestals read in by the FASTBUS modules for zero supression. This is not implemented.
   */
  for(UInt_t i=0; i<fNelem;i++) {
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    // Positive tubes
    fPosPed[i] = ((Double_t) fPosPedSum[i]) / TMath::Max(1, fPosPedCount[i]);
    fPosThresh[i] = fPosPed[i] + 15;

    // Negative tubes
    fNegPed[i] = ((Double_t) fNegPedSum[i]) / TMath::Max(1, fNegPedCount[i]);
    fNegThresh[i] = fNegPed[i] + 15;

    //    cout <<"Pedestals "<< i+1 << " " << fPosPed[i] << " " << fNegPed[i] << endl;
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  }
  //  cout << " " << endl;
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}

//_____________________________________________________________________________
void THcScintillatorPlane::InitializePedestals( )
{
  /*! \brief   called by THcScintillatorPlane::ReadDatabase
   *
   * - Initialize variables used in  THcScintillatorPlane::AccumulatePedestals and THcScintillatorPlane::CalculatePedestals
   * - Minimum number of pedestal events needed for calculation, fMinPeds, hadrcoded to 500
   */
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  fNPedestalEvents = 0;
  fMinPeds = 500; 		// In engine, this is set in parameter file
  fPosPedSum = new Int_t [fNelem];
  fPosPedSum2 = new Int_t [fNelem];
  fPosPedLimit = new Int_t [fNelem];
  fPosPedCount = new Int_t [fNelem];
  fNegPedSum = new Int_t [fNelem];
  fNegPedSum2 = new Int_t [fNelem];
  fNegPedLimit = new Int_t [fNelem];
  fNegPedCount = new Int_t [fNelem];

  fPosPed = new Double_t [fNelem];
  fNegPed = new Double_t [fNelem];
  fPosThresh = new Double_t [fNelem];
  fNegThresh = new Double_t [fNelem];
  for(UInt_t i=0;i<fNelem;i++) {
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    fPosPedSum[i] = 0;
    fPosPedSum2[i] = 0;
    fPosPedLimit[i] = 1000;	// In engine, this are set in parameter file
    fPosPedCount[i] = 0;
    fNegPedSum[i] = 0;
    fNegPedSum2[i] = 0;
    fNegPedLimit[i] = 1000;	// In engine, this are set in parameter file
    fNegPedCount[i] = 0;
  }
}
//____________________________________________________________________________
ClassImp(THcScintillatorPlane)
////////////////////////////////////////////////////////////////////////////////