PndEmcPSAParabolicBaseline Class Reference

Pulseshape analysis for ADC waveforms. More...

#include <PndEmcPSAParabolicBaseline.h>

Inheritance diagram for PndEmcPSAParabolicBaseline:

Public Member Functions
	PndEmcPSAParabolicBaseline (Int_t baselength=0)
virtual	~PndEmcPSAParabolicBaseline ()
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
void	GetBaseline (const std::vector< Double_t > &signal, Double_t &baseline) const
virtual void	Reset ()
	reset found hits More...
	ClassDef (PndEmcAbsPSA, 1)

Private Member Functions
	ClassDef (PndEmcPSAParabolicBaseline, 1)

Private Attributes
Int_t	lBaselength
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 PndEmcPSAParabolicBaseline.h.

Constructor & Destructor Documentation

PndEmcPSAParabolicBaseline::PndEmcPSAParabolicBaseline ( Int_t  baselength = 0 )

inline

Definition at line 30 of file PndEmcPSAParabolicBaseline.h.

:lBaselength(baselength){}

virtual PndEmcPSAParabolicBaseline::~PndEmcPSAParabolicBaseline ( )

inlinevirtual

Definition at line 31 of file PndEmcPSAParabolicBaseline.h.

{;}

Member Function Documentation

PndEmcPSAParabolicBaseline::ClassDef ( PndEmcPSAParabolicBaseline  , 1    )

private

PndEmcAbsPSA::ClassDef ( PndEmcAbsPSA  , 1    )

inherited

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

Definition at line 42 of file PndEmcPSAParabolicBaseline.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 PndEmcPSAParabolicBaseline::FitPeak	(	const std::vector< Double_t > &	signal,
		Double_t &	ampl,
		Double_t &	pos,
		Int_t	start,
		Int_t	end
	)		const

Definition at line 67 of file PndEmcPSAParabolicBaseline.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 PndEmcPSAParabolicBaseline::FitPeak	(	const std::vector< Double_t > &	signal,
		Double_t &	ampl,
		Double_t &	pos
	)		const

Definition at line 75 of file PndEmcPSAParabolicBaseline.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 PndEmcPSAParabolicBaseline::GetBaseline	(	const std::vector< Double_t > &	signal,
		Double_t &	baseline
	)		const

Definition at line 82 of file PndEmcPSAParabolicBaseline.cxx.

References i, lBaselength, and p.

Referenced by Process().

{
        std::vector<Double_t>::const_iterator p;
        p = signal.begin();
        baseline = 0;
        for(Int_t i =0; i<lBaselength;i++){
                baseline += *p++;
        }
        baseline/=lBaselength;
}

void PndEmcPSAParabolicBaseline::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 37 of file PndEmcPSAParabolicBaseline.cxx.

References lAmplitude, and lTime.

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

void PndEmcPSAParabolicBaseline::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 19 of file PndEmcPSAParabolicBaseline.cxx.

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

Referenced by Process().

{
        const std::vector<Double_t> signal=waveform->GetSignal();
        FitPeak(signal, amplitude, time);
        Double_t baseline;
        GetBaseline(signal,baseline);
//    std::cout << "amplitude: " << amplitude << " baseline: " << baseline << std::endl;
        amplitude -= baseline;
}

Int_t PndEmcPSAParabolicBaseline::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 29 of file PndEmcPSAParabolicBaseline.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 PndEmcPSAParabolicBaseline::lAmplitude

private

Definition at line 45 of file PndEmcPSAParabolicBaseline.h.

Referenced by GetHit(), and Process().

Int_t PndEmcPSAParabolicBaseline::lBaselength

private

Definition at line 44 of file PndEmcPSAParabolicBaseline.h.

Referenced by GetBaseline().

Double_t PndEmcPSAParabolicBaseline::lTime

private

Definition at line 46 of file PndEmcPSAParabolicBaseline.h.

Referenced by GetHit(), and Process().

---

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

• PndEmcPSAParabolicBaseline.h
• PndEmcPSAParabolicBaseline.cxx