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EcalUncalibRecHitRecWeightsAlgo< C > Class Template Reference

Template used to compute amplitude, pedestal, time jitter, chi2 of a pulse using a weights method. More...

#include <RecoLocalCalo/EcalRecAlgos/interface/EcalUncalibRecHitRecWeightsAlgo.h>

Inheritance diagram for EcalUncalibRecHitRecWeightsAlgo< C >:

List of all members.

Public Member Functions
virtual EcalUncalibratedRecHit	makeRecHit (const C &dataFrame, const double *pedestals, const double *gainRatios, const EcalWeightSet::EcalWeightMatrix **weights, const EcalWeightSet::EcalChi2WeightMatrix **chi2Matrix)
	Compute parameters.
virtual	~EcalUncalibRecHitRecWeightsAlgo ()

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Detailed Description

template<class C>
class EcalUncalibRecHitRecWeightsAlgo< C >

Template used to compute amplitude, pedestal, time jitter, chi2 of a pulse using a weights method.

Id

EcalUncalibRecHitRecWeightsAlgo.h,v 1.6 2007/05/08 13:29:21 meridian Exp

Date

2007/05/08 13:29:21

Revision

1.6

Author:

R. Bruneliere - A. Zabi

Definition at line 20 of file EcalUncalibRecHitRecWeightsAlgo.h.

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Constructor & Destructor Documentation

template<class C>

virtual EcalUncalibRecHitRecWeightsAlgo< C >::~EcalUncalibRecHitRecWeightsAlgo

(

)

[inline, virtual]

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Member Function Documentation

template<class C>

virtual EcalUncalibratedRecHit EcalUncalibRecHitRecWeightsAlgo< C >::makeRecHit	(	const C &	dataFrame,
		const double *	pedestals,
		const double *	gainRatios,
		const EcalWeightSet::EcalWeightMatrix **	weights,
		const EcalWeightSet::EcalChi2WeightMatrix **	chi2Matrix
	)			[inline, virtual]

Compute parameters.

Implements EcalUncalibRecHitRecAbsAlgo< C >.

Definition at line 27 of file EcalUncalibRecHitRecWeightsAlgo.h.

Referenced by EcalTBWeightUncalibRecHitProducer::produce(), EcalWeightUncalibRecHitProducer::produce(), and EcalUnpackerWorker::work().

                                                                                                  {
    double amplitude_(-1.),  pedestal_(-1.), jitter_(-1.), chi2_(-1.);

    // Get time samples
    ROOT::Math::SVector<double,C::MAXSAMPLES> frame;
    int gainId0 = 1;
    int iGainSwitch = 0;
    for(int iSample = 0; iSample < C::MAXSAMPLES; iSample++) {
      int gainId = dataFrame.sample(iSample).gainId();
      //Handling saturation (treating saturated gainId as maximum gain)
      if (gainId == 0 ) gainId = 3;
      if (gainId != gainId0) iGainSwitch = 1;
      if (!iGainSwitch)
        frame(iSample) = double(dataFrame.sample(iSample).adc());
      else
        frame(iSample) = double(((double)(dataFrame.sample(iSample).adc()) - pedestals[gainId-1]) * gainRatios[gainId-1]);
    }

    // Compute parameters
    ROOT::Math::SVector <double,3> param = (*(weights[iGainSwitch])) * frame;
    amplitude_ = param(EcalUncalibRecHitRecAbsAlgo<C>::iAmplitude);
    pedestal_ = param(EcalUncalibRecHitRecAbsAlgo<C>::iPedestal);
    if (amplitude_) jitter_ = param(EcalUncalibRecHitRecAbsAlgo<C>::iTime);
    // Compute chi2 = frame^T * chi2Matrix * frame
    chi2_ = ROOT::Math::Similarity((*(chi2Matrix[iGainSwitch])),frame);
    return EcalUncalibratedRecHit( dataFrame.id(), amplitude_, pedestal_, jitter_, chi2_);
  }

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The documentation for this class was generated from the following file:

• RecoLocalCalo/EcalRecAlgos/interface/EcalUncalibRecHitRecWeightsAlgo.h

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