EcalTimeMapDigitizer Class Reference

#include <EcalTimeMapDigitizer.h>

Classes
struct	time_average

Public Types
typedef EcalTimeDigi	Digi
typedef time_average	TimeSamples
typedef std::vector< unsigned int >	VecInd

Public Member Functions
void	add (const std::vector< PCaloHit > &hits, int bunchCrossing)
void	blankOutUsedSamples ()
	EcalTimeMapDigitizer (EcalSubdetector myDet)
void	finalizeHits ()
int	getTimeLayerId ()
void	initializeMap ()
int	maxBunch () const
int	minBunch () const
void	run (EcalTimeDigiCollection &output)
void	setGeometry (const CaloSubdetectorGeometry *geometry)
void	setTimeLayerId (const int &layerId)
EcalSubdetector	subdetector ()
virtual	~EcalTimeMapDigitizer ()

Private Member Functions
TimeSamples *	findSignal (const DetId &detId)
VecInd &	index ()
const VecInd &	index () const
const TimeSamples *	operator[] (unsigned int i) const
TimeSamples *	operator[] (unsigned int i)
unsigned int	samplesSize () const
unsigned int	samplesSizeAll () const
double	timeOfFlight (const DetId &detId, int layer) const
TimeSamples *	vSam (unsigned int i)
TimeSamples *	vSamAll (unsigned int i)
const TimeSamples *	vSamAll (unsigned int i) const

Private Attributes
const CaloSubdetectorGeometry *	m_geometry
VecInd	m_index
EcalSubdetector	m_subDet
int	m_timeLayerId
std::vector< TimeSamples >	m_vSam

Static Private Attributes
static const int	BUNCHSPACE = 25
static const int	m_maxBunch = 5
static const int	m_minBunch = -4
static const float	MIN_ENERGY_THRESHOLD

Detailed Description

Definition at line 19 of file EcalTimeMapDigitizer.h.

Member Typedef Documentation

typedef EcalTimeDigi EcalTimeMapDigitizer::Digi

Definition at line 65 of file EcalTimeMapDigitizer.h.

typedef time_average EcalTimeMapDigitizer::TimeSamples

Definition at line 63 of file EcalTimeMapDigitizer.h.

typedef std::vector<unsigned int> EcalTimeMapDigitizer::VecInd

Definition at line 67 of file EcalTimeMapDigitizer.h.

Constructor & Destructor Documentation

EcalTimeMapDigitizer::EcalTimeMapDigitizer ( EcalSubdetector  myDet )

explicit

Definition at line 28 of file EcalTimeMapDigitizer.cc.

References gather_cfg::cout, DetId::det(), EBDetId::detIdFromDenseIndex(), EEDetId::detIdFromDenseIndex(), EcalBarrel, EcalEndcap, mps_fire::i, EBDetId::kSizeForDenseIndexing, EEDetId::kSizeForDenseIndexing, m_maxBunch, m_minBunch, m_subDet, m_vSam, findQualityFiles::size, and DetId::subdetId().

                                                                : m_subDet(myDet), m_geometry(nullptr) {
  //    edm::Service<edm::RandomNumberGenerator> rng ;
  //    if ( !rng.isAvailable() )
  //    {
  //       throw cms::Exception("Configuration")
  //     << "EcalTimeMapDigitizer requires the RandomNumberGeneratorService\n"
  //     "which is not present in the configuration file.  You must add the service\n"
  //     "in the configuration file or remove the modules that require it.";
  //    }
  //    m_RandPoisson = new CLHEP::RandPoissonQ( rng->getEngine() ) ;
  //    m_RandGauss   = new CLHEP::RandGaussQ(   rng->getEngine() ) ;

  unsigned int size = 0;
  DetId detId(0);

  //Initialize the map
  if (myDet == EcalBarrel) {
    size = EBDetId::kSizeForDenseIndexing;
    detId = EBDetId::detIdFromDenseIndex(0);
  } else if (myDet == EcalEndcap) {
    size = EEDetId::kSizeForDenseIndexing;
    detId = EEDetId::detIdFromDenseIndex(0);
  } else
    edm::LogError("TimeDigiError") << "[EcalTimeMapDigitizer]::ERROR::This subdetector " << myDet
                                   << " is not implemented";

  assert(m_maxBunch - m_minBunch + 1 <= 10);
  assert(m_minBunch <= 0);

  m_vSam.reserve(size);

  for (unsigned int i(0); i != size; ++i) {
    //       m_vSam.emplace_back(CaloGenericDetId( detId.det(), detId.subdetId(), i ) ,
    //            m_maxBunch-m_minBunch+1, abs(m_minBunch) );
    m_vSam.emplace_back(TimeSamples(CaloGenericDetId(detId.det(), detId.subdetId(), i)));
  }

  edm::LogInfo("TimeDigiInfo") << "[EcalTimeDigitizer]::Subdetector " << m_subDet << "::Reserved size for time digis "
                               << m_vSam.size();

#ifdef ecal_time_debug
  std::cout << "[EcalTimeDigitizer]::Subdetector " << m_subDet << "::Reserved size for time digis " << m_vSam.size()
            << std::endl;
#endif
}

EcalTimeMapDigitizer::~EcalTimeMapDigitizer ( )

virtual

Definition at line 74 of file EcalTimeMapDigitizer.cc.

{}

Member Function Documentation

void EcalTimeMapDigitizer::add	(	const std::vector< PCaloHit > &	hits,
		int	bunchCrossing
	)

Definition at line 76 of file EcalTimeMapDigitizer.cc.

References EcalTimeMapDigitizer::time_average::average_time, gather_cfg::cout, findSignal(), edm::isNotFinite(), PCaloHit::kEcalDepthMask, PCaloHit::kEcalDepthOffset, m_maxBunch, m_minBunch, m_timeLayerId, MIN_ENERGY_THRESHOLD, EcalTimeMapDigitizer::time_average::nhits, mps_fire::result, protons_cff::time, timeOfFlight(), and EcalTimeMapDigitizer::time_average::tot_energy.

Referenced by EcalTimeDigiProducer::accumulateCaloHits(), and counter.Counter::register().

                                                                                 {
  if (bunchCrossing >= m_minBunch && bunchCrossing <= m_maxBunch) {
    for (std::vector<PCaloHit>::const_iterator it = hits.begin(), itEnd = hits.end(); it != itEnd; ++it) {
      //here goes the map logic

      if (edm::isNotFinite((*it).time()))
        continue;

      //Just consider only the hits belonging to the specified time layer
      int depth2 = (((*it).depth() >> PCaloHit::kEcalDepthOffset) & PCaloHit::kEcalDepthMask);

      if (depth2 != m_timeLayerId)
        continue;

      if ((*it).energy() < MIN_ENERGY_THRESHOLD)  //apply a minimal cut on the hit energy
        continue;

      const DetId detId((*it).id());

      double time = (*it).time();

      //time of flight is not corrected here for the vertex position
      const double jitter(time - timeOfFlight(detId, m_timeLayerId));

      TimeSamples& result(*findSignal(detId));

      //here fill the result for the given bunch crossing
      result.average_time[bunchCrossing - m_minBunch] += jitter * (*it).energy();
      result.tot_energy[bunchCrossing - m_minBunch] += (*it).energy();
      result.nhits[bunchCrossing - m_minBunch]++;

#ifdef ecal_time_debug
      std::cout << (*it).id() << "\t" << (*it).depth() << "\t" << jitter << "\t" << (*it).energy() << "\t"
                << result.average_time[bunchCrossing - m_minBunch] << "\t" << result.nhits[bunchCrossing - m_minBunch]
                << "\t" << timeOfFlight(detId, m_timeLayerId) << std::endl;
#endif
    }
  }
}

void EcalTimeMapDigitizer::blankOutUsedSamples

(

)

Definition at line 126 of file EcalTimeMapDigitizer.cc.

References gather_cfg::cout, mps_fire::i, m_index, EcalTimeMapDigitizer::time_average::setZero(), findQualityFiles::size, and vSamAll().

Referenced by initializeMap(), and subdetector().

{
  const unsigned int size(m_index.size());

  for (unsigned int i(0); i != size; ++i) {
#ifdef ecal_time_debug
    std::cout << "Zeroing " << m_index[i] << std::endl;
#endif
    vSamAll(m_index[i])->setZero();
  }

  m_index.erase(m_index.begin(),  // done and make ready to start over
                m_index.end());
}

void EcalTimeMapDigitizer::finalizeHits

(

)

Definition at line 141 of file EcalTimeMapDigitizer.cc.

References EcalTimeMapDigitizer::time_average::average_time, EcalTimeMapDigitizer::time_average::calculateAverage(), gather_cfg::cout, mps_fire::i, m_index, EcalTimeMapDigitizer::time_average::nhits, findQualityFiles::size, EcalTimeMapDigitizer::time_average::time_average_capacity, EcalTimeMapDigitizer::time_average::tot_energy, and vSamAll().

Referenced by run().

                                        {
  //Getting the size from the actual hits
  const unsigned int size(m_index.size());

  //Here just averaging the MC truth
  for (unsigned int i(0); i != size; ++i) {
#ifdef ecal_time_debug
    std::cout << "Averaging " << m_index[i] << std::endl;
#endif
    vSamAll(m_index[i])->calculateAverage();
#ifdef ecal_time_debug
    for (unsigned int j(0); j != vSamAll(m_index[i])->time_average_capacity; ++j)
      std::cout << j << "\t" << vSamAll(m_index[i])->average_time[j] << "\t" << vSamAll(m_index[i])->nhits[j] << "\t"
                << vSamAll(m_index[i])->tot_energy[j] << std::endl;
#endif
  }

  //Noise can be added here
}

EcalTimeMapDigitizer::TimeSamples * EcalTimeMapDigitizer::findSignal ( const DetId &  detId )

private

Definition at line 116 of file EcalTimeMapDigitizer.cc.

References m_index, mps_fire::result, vSamAll(), and EcalTimeMapDigitizer::time_average::zero().

Referenced by add(), and subdetector().

                                                                                    {
  const unsigned int di(CaloGenericDetId(detId).denseIndex());
  TimeSamples* result(vSamAll(di));
  if (result->zero())
    m_index.push_back(di);
  return result;
}

int EcalTimeMapDigitizer::getTimeLayerId ( )

inline

Definition at line 85 of file EcalTimeMapDigitizer.h.

References m_timeLayerId.

{ return m_timeLayerId; };

EcalTimeMapDigitizer::VecInd & EcalTimeMapDigitizer::index ( )

private

Definition at line 253 of file EcalTimeMapDigitizer.cc.

References m_index.

Referenced by BeautifulSoup.PageElement::insert(), and subdetector().

{ return m_index; }

const EcalTimeMapDigitizer::VecInd & EcalTimeMapDigitizer::index ( ) const

private

Definition at line 255 of file EcalTimeMapDigitizer.cc.

References m_index.

Referenced by BeautifulSoup.PageElement::insert().

{ return m_index; }

void EcalTimeMapDigitizer::initializeMap

(

)

Definition at line 161 of file EcalTimeMapDigitizer.cc.

References blankOutUsedSamples(), and gather_cfg::cout.

Referenced by EcalTimeDigiProducer::initializeEvent().

                                         {
#ifdef ecal_time_debug
  std::cout << "[EcalTimeMapDigitizer]::Zeroing the used samples" << std::endl;
#endif
  blankOutUsedSamples();
}

int EcalTimeMapDigitizer::maxBunch

(

)

const

Definition at line 251 of file EcalTimeMapDigitizer.cc.

References m_maxBunch.

Referenced by subdetector().

{ return m_maxBunch; }

int EcalTimeMapDigitizer::minBunch

(

)

const

Definition at line 249 of file EcalTimeMapDigitizer.cc.

References m_minBunch.

Referenced by subdetector().

{ return m_minBunch; }

const EcalTimeMapDigitizer::TimeSamples * EcalTimeMapDigitizer::operator[] ( unsigned int  i ) const

private

Definition at line 239 of file EcalTimeMapDigitizer.cc.

References mps_fire::i, and m_vSam.

Referenced by subdetector().

{ return &m_vSam[i]; }

EcalTimeMapDigitizer::TimeSamples * EcalTimeMapDigitizer::operator[] ( unsigned int  i )

private

Definition at line 241 of file EcalTimeMapDigitizer.cc.

References mps_fire::i, and m_vSam.

{ return &m_vSam[i]; }

void EcalTimeMapDigitizer::run

(

EcalTimeDigiCollection &

output

)

Definition at line 168 of file EcalTimeMapDigitizer.cc.

References EcalTimeMapDigitizer::time_average::average_time, edm::SortedCollection< T, SORT >::back(), gather_cfg::cout, finalizeHits(), mps_fire::i, m_index, m_minBunch, EcalTimeMapDigitizer::time_average::nhits, edm::SortedCollection< T, SORT >::push_back(), edm::SortedCollection< T, SORT >::reserve(), edm::SortedCollection< T, SORT >::size(), EcalTimeMapDigitizer::time_average::time_average_capacity, and vSamAll().

Referenced by EcalTimeDigiProducer::finalizeEvent().

                                                             {
#ifdef ecal_time_debug
  std::cout << "[EcalTimeMapDigitizer]::Finalizing hits and fill output collection" << std::endl;
#endif

  //Do the time averages and add noise if simulated
  finalizeHits();

  //Until we do now simulated noise we can get the size from the index vector
  const unsigned int ssize(m_index.size());

  output.reserve(ssize);

  for (unsigned int i(0); i != ssize; ++i) {
#ifdef ecal_time_debug
    std::cout << "----- in digi loop " << i << std::endl;
#endif

    output.push_back(Digi(vSamAll(m_index[i])->id));

    unsigned int nTimeHits = 0;
    float timeHits[vSamAll(m_index[i])->time_average_capacity];
    unsigned int timeBX[vSamAll(m_index[i])->time_average_capacity];

    for (unsigned int j(0); j != vSamAll(m_index[i])->time_average_capacity; ++j)  //here sampling on the OOTPU
    {
      if (vSamAll(m_index[i])->nhits[j] > 0) {
        timeHits[nTimeHits] = vSamAll(m_index[i])->average_time[j];
        timeBX[nTimeHits++] = m_minBunch + j;
      }
    }

    output.back().setSize(nTimeHits);

    for (unsigned int j(0); j != nTimeHits; ++j)  //filling the !zero hits
    {
      output.back().setSample(j, timeHits[j]);
      if (timeBX[j] == 0) {
#ifdef ecal_time_debug
        std::cout << "setting interesting sample " << j << std::endl;
#endif
        output.back().setSampleOfInterest(j);
      }
    }

#ifdef ecal_time_debug
    std::cout << "digi " << output.back().id().rawId() << "\t" << output.back().size();
    if (output.back().sampleOfInterest() > 0)
      std::cout << "\tBX0 time " << output.back().sample(output.back().sampleOfInterest()) << std::endl;
    else
      std::cout << "\tNo in time hits" << std::endl;
#endif
  }
#ifdef ecal_time_debug
  std::cout << "[EcalTimeMapDigitizer]::Output collection size " << output.size() << std::endl;
#endif
}

unsigned int EcalTimeMapDigitizer::samplesSize ( ) const

private

Definition at line 235 of file EcalTimeMapDigitizer.cc.

References m_vSam.

Referenced by subdetector().

{ return m_vSam.size(); }

unsigned int EcalTimeMapDigitizer::samplesSizeAll ( ) const

private

Definition at line 237 of file EcalTimeMapDigitizer.cc.

References m_vSam.

Referenced by subdetector().

{ return m_vSam.size(); }

void EcalTimeMapDigitizer::setGeometry

(

const CaloSubdetectorGeometry *

geometry

)

Definition at line 124 of file EcalTimeMapDigitizer.cc.

References geometry, and m_geometry.

Referenced by EcalTimeDigiProducer::updateGeometry().

{ m_geometry = geometry; }

void EcalTimeMapDigitizer::setTimeLayerId ( const int &  layerId )

inline

Definition at line 83 of file EcalTimeMapDigitizer.h.

References m_timeLayerId.

Referenced by EcalTimeDigiProducer::EcalTimeDigiProducer().

{ m_timeLayerId = layerId; };

EcalSubdetector EcalTimeMapDigitizer::subdetector ( )

inline

Definition at line 87 of file EcalTimeMapDigitizer.h.

References blankOutUsedSamples(), findSignal(), mps_fire::i, index(), m_subDet, maxBunch(), minBunch(), operator[](), samplesSize(), samplesSizeAll(), vSam(), and vSamAll().

{ return m_subDet; };

double EcalTimeMapDigitizer::timeOfFlight ( const DetId &  detId, int  layer  ) const

private

Definition at line 226 of file EcalTimeMapDigitizer.cc.

References CaloSubdetectorGeometry::getGeometry(), m_geometry, and PV3DBase< T, PVType, FrameType >::mag().

Referenced by add().

                                                                             {
  //not using the layer yet
  auto cellGeometry(m_geometry->getGeometry(detId));
  assert(nullptr != cellGeometry);
  GlobalPoint layerPos =
      (cellGeometry)->getPosition(double(layer) + 0.5);  //depth in mm in the middle of the layer position
  return layerPos.mag() * cm / c_light;
}

EcalTimeMapDigitizer::TimeSamples * EcalTimeMapDigitizer::vSam ( unsigned int  i )

private

Definition at line 243 of file EcalTimeMapDigitizer.cc.

References mps_fire::i, and m_vSam.

Referenced by subdetector().

{ return &m_vSam[i]; }

EcalTimeMapDigitizer::TimeSamples * EcalTimeMapDigitizer::vSamAll ( unsigned int  i )

private

Definition at line 245 of file EcalTimeMapDigitizer.cc.

References mps_fire::i, and m_vSam.

Referenced by blankOutUsedSamples(), finalizeHits(), findSignal(), run(), and subdetector().

{ return &m_vSam[i]; }

const EcalTimeMapDigitizer::TimeSamples * EcalTimeMapDigitizer::vSamAll ( unsigned int  i ) const

private

Definition at line 247 of file EcalTimeMapDigitizer.cc.

References mps_fire::i, and m_vSam.

{ return &m_vSam[i]; }

Member Data Documentation

const int EcalTimeMapDigitizer::BUNCHSPACE = 25

staticprivate

Definition at line 121 of file EcalTimeMapDigitizer.h.

const CaloSubdetectorGeometry* EcalTimeMapDigitizer::m_geometry

private

Definition at line 130 of file EcalTimeMapDigitizer.h.

Referenced by setGeometry(), and timeOfFlight().

VecInd EcalTimeMapDigitizer::m_index

private

Definition at line 136 of file EcalTimeMapDigitizer.h.

Referenced by blankOutUsedSamples(), finalizeHits(), findSignal(), index(), and run().

const int EcalTimeMapDigitizer::m_maxBunch = 5

staticprivate

Definition at line 126 of file EcalTimeMapDigitizer.h.

Referenced by add(), EcalTimeMapDigitizer(), and maxBunch().

const int EcalTimeMapDigitizer::m_minBunch = -4

staticprivate

Definition at line 125 of file EcalTimeMapDigitizer.h.

Referenced by add(), EcalTimeMapDigitizer(), minBunch(), and run().

EcalSubdetector EcalTimeMapDigitizer::m_subDet

private

Definition at line 118 of file EcalTimeMapDigitizer.h.

Referenced by EcalTimeMapDigitizer(), and subdetector().

int EcalTimeMapDigitizer::m_timeLayerId

private

Definition at line 128 of file EcalTimeMapDigitizer.h.

Referenced by add(), getTimeLayerId(), and setTimeLayerId().

std::vector<TimeSamples> EcalTimeMapDigitizer::m_vSam

private

Definition at line 134 of file EcalTimeMapDigitizer.h.

Referenced by EcalTimeMapDigitizer(), operator[](), samplesSize(), samplesSizeAll(), vSam(), and vSamAll().

const float EcalTimeMapDigitizer::MIN_ENERGY_THRESHOLD

staticprivate

Initial value:

=
    5e-5

Definition at line 123 of file EcalTimeMapDigitizer.h.

Referenced by add().