#include <TT6PedestalCalculator.h>

Inheritance diagram for TT6PedestalCalculator:

Public Member Functions
void	newEvent ()
ApvAnalysis::PedestalType	pedestal () const
ApvAnalysis::PedestalType	rawNoise () const
void	resetPedestals ()
void	setPedestals (ApvAnalysis::PedestalType &in)
void	setRawNoise (ApvAnalysis::PedestalType &in)
	TT6PedestalCalculator (int evnt_ini, int evnt_iter, float sig_cut)
void	updatePedestal (ApvAnalysis::RawSignalType &in)
void	updateStatus ()
virtual	~TT6PedestalCalculator ()
Protected Attributes
bool	alreadyUsedEvent
float	cutToAvoidSignal
int	eventsRequiredToCalibrate
int	eventsRequiredToUpdate
int	numberOfEvents
std::vector< unsigned short >	theEventPerStrip
ApvAnalysis::PedestalType	thePedestal
std::vector< double >	thePedSqSum
std::vector< double >	thePedSum
ApvAnalysis::PedestalType	theRawNoise
Private Member Functions
void	init ()
void	initializePedestal (ApvAnalysis::RawSignalType &in)
void	refinePedestal (ApvAnalysis::RawSignalType &in)

Detailed Description

Concrete implementation of TkPedestalCalculator for TT6.

Definition at line 10 of file TT6PedestalCalculator.h.

Constructor & Destructor Documentation

TT6PedestalCalculator::TT6PedestalCalculator	(	int	evnt_ini,
		int	evnt_iter,
		float	sig_cut
	)

Definition at line 7 of file TT6PedestalCalculator.cc.

References gather_cfg::cout, cutToAvoidSignal, eventsRequiredToCalibrate, eventsRequiredToUpdate, and init().

                                                      :   
                        numberOfEvents(0),
                        alreadyUsedEvent(false)
{
  if (0) cout << "Constructing TT6PedestalCalculator " << endl;
  eventsRequiredToCalibrate = evnt_ini; 
  eventsRequiredToUpdate    = evnt_iter;
  cutToAvoidSignal          = sig_cut;
  init();
}

TT6PedestalCalculator::~TT6PedestalCalculator ( ) [virtual]

Definition at line 32 of file TT6PedestalCalculator.cc.

References gather_cfg::cout.

                                              {
  if (0) cout << "Destructing TT6PedestalCalculator " << endl;
}

Member Function Documentation

void TT6PedestalCalculator::init ( void ) [private]

Definition at line 21 of file TT6PedestalCalculator.cc.

References TkStateMachine::setCalibrating(), theEventPerStrip, thePedestal, thePedSqSum, thePedSum, theRawNoise, and TkPedestalCalculator::theStatus.

Referenced by TT6PedestalCalculator().

                                 { 
  theRawNoise.clear();
  thePedestal.clear();
  thePedSum.clear();
  thePedSqSum.clear();
  theEventPerStrip.clear();
  theStatus.setCalibrating();
}

void TT6PedestalCalculator::initializePedestal ( ApvAnalysis::RawSignalType & in ) [private]

Definition at line 63 of file TT6PedestalCalculator.cc.

References edm::DetSet< T >::data, eventsRequiredToCalibrate, i, numberOfEvents, mathSSE::sqrt(), theEventPerStrip, thePedestal, thePedSqSum, thePedSum, and theRawNoise.

Referenced by updatePedestal().

                                                                           {
  if (numberOfEvents == 1) {

    thePedSum.clear();
    thePedSqSum.clear();
    theEventPerStrip.clear();
    
    thePedSum.reserve(128);
    thePedSqSum.reserve(128);
    theEventPerStrip.reserve(128);
    
    thePedSum.resize(in.data.size(), 0.0);
    thePedSqSum.resize(in.data.size(), 0.0);
    theEventPerStrip.resize(in.data.size(), 0);
  }
  if (numberOfEvents <= eventsRequiredToCalibrate) {
    edm::DetSet<SiStripRawDigi>::const_iterator i = in.data.begin();
    int ii=0;
    for (;i!=in.data.end() ; i++) {
      thePedSum[ii]   += (*i).adc();
      thePedSqSum[ii] += ((*i).adc())*((*i).adc());
      theEventPerStrip[ii]++;
      ii++;
    }
  }
  if (numberOfEvents == eventsRequiredToCalibrate) {
    thePedestal.clear();
    theRawNoise.clear();
    edm::DetSet<SiStripRawDigi>::const_iterator i = in.data.begin();
    int ii=0;
    for (;i!=in.data.end() ; i++) {
      double avVal   = (theEventPerStrip[ii])   ? thePedSum[ii]/theEventPerStrip[ii]:0.0;
      double sqAvVal = (theEventPerStrip[ii])   ? thePedSqSum[ii]/theEventPerStrip[ii]:0.0;
      double corr_fac = (theEventPerStrip[ii] > 1) ? (theEventPerStrip[ii]/(theEventPerStrip[ii]-1)) : 1.0;
      double rmsVal  =  (sqAvVal - avVal*avVal > 0.0) ? sqrt(corr_fac * (sqAvVal - avVal*avVal)) : 0.0; 

      thePedestal.push_back(static_cast<float>(avVal));
      theRawNoise.push_back(static_cast<float>(rmsVal));
      ii++;
    }
  }
}

void TT6PedestalCalculator::newEvent ( ) [virtual]

Return raw noise, determined without CMN subtraction Tell pedestal calculator that a new event is available

Reimplemented from TkPedestalCalculator.

Definition at line 156 of file TT6PedestalCalculator.cc.

References alreadyUsedEvent.

                                    {
  alreadyUsedEvent = false;
}

ApvAnalysis::PedestalType TT6PedestalCalculator::pedestal ( ) const [inline, virtual]

Return reconstructed pedestals

Implements TkPedestalCalculator.

Definition at line 30 of file TT6PedestalCalculator.h.

References thePedestal.

{ return thePedestal;}

ApvAnalysis::PedestalType TT6PedestalCalculator::rawNoise ( ) const [inline, virtual]

Implements TkPedestalCalculator.

Definition at line 29 of file TT6PedestalCalculator.h.

References theRawNoise.

{ return theRawNoise;}

void TT6PedestalCalculator::refinePedestal ( ApvAnalysis::RawSignalType & in ) [private]

Definition at line 108 of file TT6PedestalCalculator.cc.

References cutToAvoidSignal, edm::DetSet< T >::data, eventsRequiredToCalibrate, eventsRequiredToUpdate, i, numberOfEvents, mathSSE::sqrt(), theEventPerStrip, thePedestal, thePedSqSum, thePedSum, and theRawNoise.

Referenced by updatePedestal().

                                                                       {
  if (((numberOfEvents-eventsRequiredToCalibrate)%eventsRequiredToUpdate) == 1) {
    
    thePedSum.clear();
    thePedSqSum.clear();
    theEventPerStrip.clear();
    
    thePedSum.reserve(128);
    thePedSqSum.reserve(128);
    theEventPerStrip.reserve(128);
    
    thePedSum.resize(in.data.size(), 0.0);
    thePedSqSum.resize(in.data.size(), 0.0);
    theEventPerStrip.resize(in.data.size(), 0);
  }
  unsigned int ii=0;
  ApvAnalysis::RawSignalType::const_iterator i= in.data.begin();
  for (; i < in.data.end(); i++) {
    if (fabs((*i).adc()-thePedestal[ii]) < cutToAvoidSignal*theRawNoise[ii]) {
      thePedSum[ii]   += (*i).adc();
      thePedSqSum[ii] += ((*i).adc())*((*i).adc());
      theEventPerStrip[ii]++;
    }
    ii++;
  }
  if (((numberOfEvents-eventsRequiredToCalibrate) % eventsRequiredToUpdate) == 0) {
    
    for (unsigned int iii = 0; iii < in.data.size(); iii++) {
      if (theEventPerStrip[iii] > 10 ) {
        double avVal   = (theEventPerStrip[iii]) ? thePedSum[iii]/theEventPerStrip[iii]:0.0;
        double sqAvVal = (theEventPerStrip[iii]) ? thePedSqSum[iii]/theEventPerStrip[iii]:0.0;
        double rmsVal  =  (sqAvVal - avVal*avVal > 0.0) ? sqrt(sqAvVal - avVal*avVal) : 0.0;    

        
        if (avVal != 0 ) {
          thePedestal[iii] = static_cast<float>(avVal);
          theRawNoise[iii] = static_cast<float>(rmsVal);
        }
      }
    }
    thePedSum.clear();
    thePedSqSum.clear();
    theEventPerStrip.clear();    
        }
      }

void TT6PedestalCalculator::resetPedestals ( ) [inline, virtual]

Implements TkPedestalCalculator.

Definition at line 18 of file TT6PedestalCalculator.h.

References thePedestal, and theRawNoise.

                        {
    thePedestal.clear();
    theRawNoise.clear();
  }

void TT6PedestalCalculator::setPedestals ( ApvAnalysis::PedestalType & in ) [inline, virtual]

Implements TkPedestalCalculator.

Definition at line 22 of file TT6PedestalCalculator.h.

References recoMuon::in, and thePedestal.

{thePedestal=in;}

void TT6PedestalCalculator::setRawNoise ( ApvAnalysis::PedestalType & in ) [inline]

Definition at line 23 of file TT6PedestalCalculator.h.

References recoMuon::in, and theRawNoise.

{theRawNoise=in;}

void TT6PedestalCalculator::updatePedestal ( ApvAnalysis::RawSignalType & in ) [virtual]

Update pedestals with current event

Implements TkPedestalCalculator.

Definition at line 48 of file TT6PedestalCalculator.cc.

References alreadyUsedEvent, initializePedestal(), TkStateMachine::isCalibrating(), TkStateMachine::isUpdating(), numberOfEvents, refinePedestal(), TkPedestalCalculator::theStatus, and updateStatus().

                                                                       {
  if (alreadyUsedEvent == false) {
    alreadyUsedEvent = true;
    numberOfEvents++;
    if (theStatus.isCalibrating()) {
      initializePedestal(in);
    } else if (theStatus.isUpdating()) {
      refinePedestal(in);
    }  
    updateStatus();
  }
}

void TT6PedestalCalculator::updateStatus ( ) [virtual]

Request that status flag be updated

Implements TkPedestalCalculator.

Definition at line 38 of file TT6PedestalCalculator.cc.

References eventsRequiredToCalibrate, TkStateMachine::isCalibrating(), numberOfEvents, TkStateMachine::setUpdating(), and TkPedestalCalculator::theStatus.

Referenced by updatePedestal().

                                        {

  if (theStatus.isCalibrating() && 
      numberOfEvents >= eventsRequiredToCalibrate) {
    theStatus.setUpdating();
  }
}