PndEmcWaveformDigitizer.cxx

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#include "PndEmcAbsWaveformSimulator.h"
#include "PndEmcWaveformDigitizer.h"

#include "PndEmcWaveform.h"
#include "TMath.h"


PndEmcWaveformDigitizer::PndEmcWaveformDigitizer() :
        fNBits(0),
        fEnergyRange(0.),
        fInputScale(0.),
        fTotalChannels(0),
        fOneBitResolution(0.) {
}

PndEmcWaveformDigitizer::PndEmcWaveformDigitizer(Int_t nBits, Double_t energyRange, Double_t inputScale) :
        fNBits(nBits),
        fEnergyRange(energyRange),
        fInputScale(inputScale) {
                fTotalChannels = (Int_t) (TMath::Power(2, nBits) + 0.5);
                fOneBitResolution = fEnergyRange/fTotalChannels * fInputScale;
}

void PndEmcWaveformDigitizer::Modify(PndEmcWaveform* wf) {
        for(std::vector<Double_t>::iterator it=GetWaveformReference(wf).begin(); it!=GetWaveformReference(wf).end(); ++it) { 
                Double_t channel = TMath::Floor((*it)/fOneBitResolution);                                       //digitize
                (*it) = (channel > fTotalChannels) ? fTotalChannels : channel;                                  //clipping
        }
}