PndEmcPSAParabolic Class Reference

Pulseshape analysis for ADC waveforms. More...

#include <PndEmcPSAParabolic.h>

Inheritance diagram for PndEmcPSAParabolic:

Public Member Functions
	PndEmcPSAParabolic ()
virtual	~PndEmcPSAParabolic ()
virtual void	Process (const PndEmcWaveform *waveform, Double_t &amplitude, Double_t &time)
	Deprecated. Do not use. More...
virtual Int_t	Process (const PndEmcWaveform *waveform)
	Find Hits in Waveform. More...
virtual void	GetHit (Int_t i, Double_t &energy, Double_t &time)
	Get energy and time of hit. More...
void	FitPeak (const std::vector< Double_t > &signal, Double_t &ampl, Double_t &pos, Int_t peakBin) const
void	FitPeak (const std::vector< Double_t > &signal, Double_t &ampl, Double_t &pos, Int_t start, Int_t end) const
void	FitPeak (const std::vector< Double_t > &signal, Double_t &ampl, Double_t &pos) const
virtual void	Reset ()
	reset found hits More...
	ClassDef (PndEmcAbsPSA, 1)

Private Attributes
Double_t	lAmplitude
Double_t	lTime

Detailed Description

Pulseshape analysis for ADC waveforms.

Amplitude and time are determined from the simple parabolic fit by three points (maximum bin and its left and right neigbours)

Definition at line 26 of file PndEmcPSAParabolic.h.

Constructor & Destructor Documentation

PndEmcPSAParabolic::PndEmcPSAParabolic ( )

inline

Definition at line 30 of file PndEmcPSAParabolic.h.

{}

virtual PndEmcPSAParabolic::~PndEmcPSAParabolic ( )

inlinevirtual

Definition at line 31 of file PndEmcPSAParabolic.h.

{;}

Member Function Documentation

PndEmcAbsPSA::ClassDef ( PndEmcAbsPSA  , 1    )

inherited

void PndEmcPSAParabolic::FitPeak	(	const std::vector< Double_t > &	signal,
		Double_t &	ampl,
		Double_t &	pos,
		Int_t	peakBin
	)		const

Definition at line 37 of file PndEmcPSAParabolic.cxx.

References b, d, and Double_t.

Referenced by FitPeak(), and Process().

{
        Int_t waveformLength=signal.size();
        
        ampl=pos=-1.;
        if (peakBin>0 && peakBin<waveformLength-1)
        {
                long theBin(peakBin);
        
                Double_t pValue = signal[peakBin];
                Double_t pPosition = Double_t(peakBin);
        
                Double_t leftValue = signal[theBin-1];
                Double_t rightValue = signal[theBin+1];
                if (leftValue<pValue && rightValue<pValue) {
                        Double_t d = 0.25*(rightValue-leftValue);
                        Double_t b = pValue-0.5*(leftValue+rightValue);
                        pValue += d*d/b;
                        pPosition += d/b;
                }
                ampl=pValue;
                pos=pPosition;
  }
}

void PndEmcPSAParabolic::FitPeak	(	const std::vector< Double_t > &	signal,
		Double_t &	ampl,
		Double_t &	pos,
		Int_t	start,
		Int_t	end
	)		const

Definition at line 62 of file PndEmcPSAParabolic.cxx.

References FitPeak(), and p.

{
        std::vector<Double_t>::const_iterator p;
        p=max_element(signal.begin()+start,signal.begin()+end);
        Int_t pPosition = distance(signal.begin(),p);
        FitPeak(signal,ampl,pos,pPosition);
}

void PndEmcPSAParabolic::FitPeak	(	const std::vector< Double_t > &	signal,
		Double_t &	ampl,
		Double_t &	pos
	)		const

Definition at line 70 of file PndEmcPSAParabolic.cxx.

References FitPeak(), and p.

{
        std::vector<Double_t>::const_iterator p;
        p=max_element(signal.begin(),signal.end());
        Int_t pPosition = distance(signal.begin(),p);
        FitPeak(signal,ampl,pos,pPosition);
}

void PndEmcPSAParabolic::GetHit ( Int_t  i, Double_t &  energy, Double_t &  time  )

virtual

Get energy and time of hit.

Parameters

Int_t	Index of Hit
Double_t	Energy of Hit
Double_t	Time of Hit

Returns

Implements PndEmcAbsPSA.

Definition at line 32 of file PndEmcPSAParabolic.cxx.

References lAmplitude, and lTime.

                                                                       { // i //[R.K.03/2017] unused variable(s)
        energy = lAmplitude;
        time = lTime;
}

void PndEmcPSAParabolic::Process ( const PndEmcWaveform *  waveform, Double_t &  amplitude, Double_t &  time  )

virtual

Deprecated. Do not use.

Parameters

PndEmcWaveform
Double_t
Double_t

Returns

Reimplemented from PndEmcAbsPSA.

Definition at line 18 of file PndEmcPSAParabolic.cxx.

References FitPeak(), and PndEmcWaveform::GetSignal().

Referenced by Process().

{
        const std::vector<Double_t> signal=waveform->GetSignal();
        FitPeak(signal, amplitude, time);
}

Int_t PndEmcPSAParabolic::Process ( const PndEmcWaveform *  waveform )

virtual

Find Hits in Waveform.

Parameters

PndEmcWaveform

Returns

Return number of hits, negative if an error occurred

Implements PndEmcAbsPSA.

Definition at line 24 of file PndEmcPSAParabolic.cxx.

References lAmplitude, lTime, and Process().

                                                               {
        Process(waveform,lAmplitude,lTime);
        if(lAmplitude > 0){
                return 1;
        }else{
                return 0;
        }
}

virtual void PndEmcAbsPSA::Reset ( )

inlinevirtualinherited

reset found hits

Returns

Reimplemented in PndEmcPSAFPGASampleAnalyser, and PndEmcHighLowPSA.

Definition at line 42 of file PndEmcAbsPSA.h.

{};

Member Data Documentation

Double_t PndEmcPSAParabolic::lAmplitude

private

Definition at line 42 of file PndEmcPSAParabolic.h.

Referenced by GetHit(), and Process().

Double_t PndEmcPSAParabolic::lTime

private

Definition at line 43 of file PndEmcPSAParabolic.h.

Referenced by GetHit(), and Process().

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

• PndEmcPSAParabolic.h
• PndEmcPSAParabolic.cxx