CbmMuchSignal.cxx

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/* Copyright (C) 2017-2019 Variable Energy Cyclotron Centre, Kolkata
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Vikas Singhal [committer] */
 
#include "CbmMuchSignal.h"
 
#include "CbmMuchAddress.h"
#include "CbmMuchDigi.h"
#include "CbmMuchDigiMatch.h"
 
#include <Logger.h>  // for Logger, LOG
 
#include "TMath.h"
#include "TRandom.h"
 
#include <memory>
 
using namespace std;
 
/*
CbmMuchSignal::CbmMuchSignal(CbmMuchSignal* signal)
        : TObject(),
        fAddress(signal->fAddress),
        fTimeStart(signal->fTimeStart),
        fTimeStop(signal->fTimeStop),
        fSignalShape(signal->fSignalShape)
{
}
*/
CbmMuchSignal::CbmMuchSignal(const CbmMuchSignal& rhs)
  : TObject()
  , fAddress(rhs.fAddress)
  , fTimeStart(rhs.fTimeStart)
  , fTimeStop(rhs.fTimeStop)
  ,
  //fPileUpTime(rhs.fPileUpTime),
  fCharge(rhs.fCharge)
  ,
  //fModifiedCharge(rhs.fModifiedCharge),
  fPileUpCount(rhs.fPileUpCount)
  ,
  //fSignalShape(rhs.fSignalShape),
  fMatch(rhs.fMatch)
{
}
/*
CbmMuchSignal& CbmMuchSignal::operator=(const CbmMuchSignal& rhs)
{
 
        if (this != &rhs) {
        TObject::operator=(rhs);
        fAddress = rhs.fAddress;
        fTimeStop = rhs.fTimeStop;
        fTimeStart = rhs.fTimeStart;
        fSignalShape = rhs.fSignalShape;
        fMatch  = rhs.fMatch;
  }
  return *this;
}
*/
 
 
/*void CbmMuchSignal::MakeSignalShape(UInt_t charge, TArrayD shape) {
        Int_t bin0 = 0;
                        //Int_t((fT0)/gkResponseBin);
        Int_t nbins = bin0+shape.GetSize();
        if (fSignalShape.GetSize()<nbins) fSignalShape.Set(nbins);
        for (Int_t j=0;j<shape.GetSize();j++)  fSignalShape[bin0 + j]+=charge*shape[j];
}*/
// -------------------------------------------------------------------------
//
//
// -------------------------------------------------------------------------
//Below function will add the Signal shapes of 2 signal
 
void CbmMuchSignal::MergeSignal(CbmMuchSignal* signal)
{
  fPileUpCount++;
  fPileUpCount += signal->GetPileUpCount();
  Long_t StartDiff  = signal->GetTimeStart() - fTimeStart;
  Long_t StopDiff   = signal->GetTimeStop() - fTimeStop;
  Bool_t MeFirst    = kTRUE;
  Long_t PileUpTime = 0;
  LOG(debug4) << " Start Difference " << StartDiff << " Stop Difference " << StopDiff;
  if (StopDiff > 0)
    fTimeStop =
      signal
        ->GetTimeStop();  //Shows Second signal Stop time is larger than first signal stop time, therefore fStopTime modified.
  if (StartDiff < 0) {
    //Shows that New Signal is earlier than This signal.
    //  std::cout<<"First Signal start time " <<fTimeStart<<" Second Signal start time is " <<signal->GetTimeStart() << endl;
    MeFirst = kFALSE;
    //StartDiff = (-1)*StartDiff;
    PileUpTime = fTimeStart;
    fTimeStart = signal->GetTimeStart();
  }
  else {
    PileUpTime = signal->GetTimeStart();
  }
  Long_t PileUpDiff = PileUpTime - fTimeStart;
  if (PileUpDiff < 0) { LOG(info) << GetName() << " Problem: Check this particular pile up case."; }
  if (PileUpDiff < SLOWSHAPERPEAK) { fCharge += signal->GetCharge(); }
  else if (!MeFirst)
    fCharge = signal->GetCharge();
 
  /*TArrayD SecondSignalShape = signal->GetSignalShape();
        fSignalShape.Set(fSignalShape.GetSize()+StopDiff);
        //std::cout<<"MergeSignal called and size of fSignalShape "<<fSignalShape.GetSize()<<endl;
        for (Int_t j=0;j<fSignalShape.GetSize()&&j<SecondSignalShape.GetSize();j++)
 
                fSignalShape[j+StartDiff]=fSignalShape[j+StartDiff]+SecondSignalShape[j];
                //SignalShape will be added in the first signal at location from where second signal start.
*/
}
 
void CbmMuchSignal::AddNoise(UInt_t meanNoise)
{
  fCharge += TMath::Abs(meanNoise * gRandom->Gaus());
  //    for (Int_t i=0;i<fSignalShape.GetSize();i++){
  //            fSignalShape[i]+=TMath::Abs(meanNoise*gRandom->Gaus());
  //    }
}
 
 
/*Int_t CbmMuchSignal::GetMaxCharge(){
        Int_t max_charge = -1;
        for (Int_t i=0;i<fSignalShape.GetSize();i++){
                Int_t charge = fSignalShape[i];
                if (charge>max_charge) max_charge = charge;
        }
  return max_charge;
}*/
 
 
/*Int_t CbmMuchSignal::GetTimeStamp(Int_t threshold){
  //Int_t threshold = 10000;
  Int_t bin1 = -1;
  for (Int_t i=0;i<fSignalShape.GetSize();i++){
    if (bin1<0 && fSignalShape[i]>threshold) {
      bin1 = i;
      return fTimeStart+bin1*gkResponseBin;
    }
  }
  return -1;
}*/
// -------------------------------------------------------------------------
 
 
/* Below functions will not be used as ADC or Charge value will be calculated on the basis of fSignalShape of the Analog Signal.
// -----   Add charge   ----------------------------------------------------
void CbmMuchSignal::AddAdc(Int_t adc) {
  Int_t newAdc = GetAdc() + adc;
  SetAdc(newAdc);
}
// -------------------------------------------------------------------------
 
 
// -----   Set new charge   ------------------------------------------------
void CbmMuchSignal::SetAdc(Int_t adc) {
        //Charge value should not be more than saturation
 
        UShort_t saturation = 4095; //2 ^ 12 - 1;
        if(adc>saturation){
                fCharge=saturation;
                fSaturationFlag=1;
        }
        else if (adc < 0) fCharge=0;
        else    fCharge = (UShort_t)adc;
}
// -------------------------------------------------------------------------
*/
 
ClassImp(CbmMuchSignal)