Inheritance diagram for reco_tool::PeakFitterGaussElimination:

Public Member Functions
	PeakFitterGaussElimination (const fhicl::ParameterSet &pset)

void	findPeakParameters (const std::vector< float > &, const ICandidateHitFinder::HitCandidateVec &, PeakParamsVec &, double &, int &) const override

Private Attributes
float	fStepSize
	Step size used by gaussian elim alg. More...

float	fMax
	Max. More...

std::unique_ptr < util::GaussianEliminationAlg >	fGEAlg

Private Attributes inherited from reco_tool::IPeakFitter
float	peakCenterError

float	peakSigma

float	peakSigmaError

float	peakAmplitude

float	peakAmplitudeError

float	peakTauLeft

float	peakTauLeftError

float	peakTauRight

float	peakTauRightError

float	peakBaseline

float	peakBaselineError

Additional Inherited Members
Private Types inherited from reco_tool::IPeakFitter
using	PeakFitParams_t = struct PeakFitParams{float peakCenter

using	PeakParamsVec = std::vector< PeakFitParams_t >

using	PeakParamsVec = std::vector< PeakFitParams_t >

Private Member Functions inherited from reco_tool::IPeakFitter
virtual	~IPeakFitter () noexcept=default

virtual void	configure (const fhicl::ParameterSet &pset)=0

virtual	~IPeakFitter ()=default

Detailed Description

Definition at line 16 of file PeakFitterGaussElimination_tool.cc.

Constructor & Destructor Documentation

reco_tool::PeakFitterGaussElimination::PeakFitterGaussElimination ( const fhicl::ParameterSet & pset )

explicit

Definition at line 37 of file PeakFitterGaussElimination_tool.cc.

 {
     // Start by recovering the parameters
     fStepSize = pset.get<float>("StepSize", 0.1);
     fMax      = pset.get<float>("Max",      0.5);
 
 //    fGEAlg    = std::make_unique<util::GaussianEliminationAlg>(fStepSize, fMax);
 
     return;
 }

Member Function Documentation

void reco_tool::PeakFitterGaussElimination::findPeakParameters	(	const std::vector< float > &	roiSignalVec,
		const ICandidateHitFinder::HitCandidateVec &	hitCandidateVec,
		PeakParamsVec &	peakParamsVec,
		double &	chi2PerNDF,
		int &	NDF
	)		const

overridevirtual

Implements reco_tool::IPeakFitter.

Definition at line 49 of file PeakFitterGaussElimination_tool.cc.

 {
     // This module tries to use the method for fitting hits found in the RRFHitFinder
     // from Wes Ketchum. It uses the gaussian elimation algorithm he set up.
     //
     // *** NOTE: this algorithm assumes the reference time for input hit candidates is to
     //           the first tick of the input waveform (ie 0)
     //
     if (hitCandidateVec.empty()) return;
 
     std::vector<float> meanVec;
     std::vector<float> sigmaVec;
     std::vector<float> heightVec;
 
     for(const auto& hitCandidate : hitCandidateVec)
     {
         float  candMean   = hitCandidate.hitCenter;
         float  candSigma  = hitCandidate.hitSigma;
         size_t bin        = std::floor(candMean);
 
         bin = std::min(bin, roiSignalVec.size() - 1);
 
         float  candHeight = roiSignalVec[bin] - (candMean-(float)bin)*(roiSignalVec[bin]-roiSignalVec[bin+1]);
 
         meanVec.push_back(candMean);
         sigmaVec.push_back(candSigma);
         heightVec.push_back(candHeight);
     }
 
     return;
 }