CaloHitResponse Class Reference

Creates electronics signals from hits. More...

#include <CaloHitResponse.h>

Inheritance diagram for CaloHitResponse:

Public Types
enum	{ BUNCHSPACE = 25 }
typedef std::map< DetId, CaloSamples >	AnalogSignalMap

Public Member Functions
virtual void	add (const PCaloHit &hit, CLHEP::HepRandomEngine *)
	process a single SimHit More...
virtual void	add (const CaloSamples &signal)
	add a signal, in units of pe More...
void	addHit (const PCaloHit *hit, CaloSamples &frame) const
	adds the amplitude for a single hit to the frame More...
double	analogSignalAmplitude (const DetId &id, float energy, const CaloSimParameters &parameters, CLHEP::HepRandomEngine *) const
	CaloHitResponse (const CaloVSimParameterMap *parameterMap, const CaloVShape *shape)
	CaloHitResponse (const CaloVSimParameterMap *parameterMap, const CaloShapes *shapes)
void	clear ()
	frees up memory More...
virtual void	finalizeHits (CLHEP::HepRandomEngine *)
	Finalize hits. More...
CaloSamples *	findSignal (const DetId &detId)
	users can look for the signal for a given cell More...
virtual void	initializeHits ()
	Initialize hits. More...
virtual bool	keepBlank () const
virtual CaloSamples	makeAnalogSignal (const PCaloHit &inputHit, CLHEP::HepRandomEngine *) const
	creates the signal corresponding to this hit More...
CaloSamples	makeBlankSignal (const DetId &detId) const
	creates an empty signal for this DetId More...
int	nSignals () const
	number of signals in the current cache More...
virtual void	run (const MixCollection< PCaloHit > &hits, CLHEP::HepRandomEngine *)
	Complete cell digitization. More...
void	setBunchRange (int minBunch, int maxBunch)
	tells it which pileup bunches to do More...
void	setGeometry (const CaloGeometry *geometry)
	geometry needed for time-of-flight More...
void	setHitCorrection (const CaloVHitCorrection *hitCorrection)
	If you want to correct hits, for attenuation or delay, set this. More...
void	setHitFilter (const CaloVHitFilter *filter)
void	setIgnoreGeantTime (bool gt)
void	setPECorrection (const CaloVPECorrection *peCorrection)
	if you want to correct the photoelectrons More...
void	setPhaseShift (const double &thePhaseShift)
	setting the phase shift for asynchronous trigger (e.g. test beams) More...
void	setStorePrecise (bool sp)
double	timeOfFlight (const DetId &detId) const
bool	withinBunchRange (int bunchCrossing) const
	check if crossing is within bunch range: More...
virtual	~CaloHitResponse ()
	doesn't delete the pointers passed in More...

Protected Attributes
bool	ignoreTime
bool	storePrecise
AnalogSignalMap	theAnalogSignalMap
const CaloGeometry *	theGeometry
const CaloVHitCorrection *	theHitCorrection
const CaloVHitFilter *	theHitFilter
int	theMaxBunch
int	theMinBunch
const CaloVSimParameterMap *	theParameterMap
const CaloVPECorrection *	thePECorrection
double	thePhaseShift_
const CaloVShape *	theShape
const CaloShapes *	theShapes

Detailed Description

Creates electronics signals from hits.

Definition at line 33 of file CaloHitResponse.h.

Member Typedef Documentation

typedef std::map<DetId, CaloSamples> CaloHitResponse::AnalogSignalMap

Definition at line 35 of file CaloHitResponse.h.

Member Enumeration Documentation

anonymous enum

Enumerator
BUNCHSPACE

Definition at line 37 of file CaloHitResponse.h.

{ BUNCHSPACE = 25 };

Constructor & Destructor Documentation

CaloHitResponse::CaloHitResponse	(	const CaloVSimParameterMap *	parameterMap,
		const CaloVShape *	shape
	)

Definition at line 21 of file CaloHitResponse.cc.

    : theAnalogSignalMap(),
      theParameterMap(parametersMap),
      theShapes(nullptr),
      theShape(shape),
      theHitCorrection(nullptr),
      thePECorrection(nullptr),
      theHitFilter(nullptr),
      theGeometry(nullptr),
      theMinBunch(-10),
      theMaxBunch(10),
      thePhaseShift_(1.),
      storePrecise(false),
      ignoreTime(false) {}

CaloHitResponse::CaloHitResponse	(	const CaloVSimParameterMap *	parameterMap,
		const CaloShapes *	shapes
	)

Definition at line 36 of file CaloHitResponse.cc.

    : theAnalogSignalMap(),
      theParameterMap(parametersMap),
      theShapes(shapes),
      theShape(nullptr),
      theHitCorrection(nullptr),
      thePECorrection(nullptr),
      theHitFilter(nullptr),
      theGeometry(nullptr),
      theMinBunch(-10),
      theMaxBunch(10),
      thePhaseShift_(1.),
      storePrecise(false),
      ignoreTime(false) {}

CaloHitResponse::~CaloHitResponse ( )

virtual

doesn't delete the pointers passed in

Definition at line 51 of file CaloHitResponse.cc.

{}

Member Function Documentation

void CaloHitResponse::add ( const PCaloHit &  hit, CLHEP::HepRandomEngine *  engine  )

virtual

process a single SimHit

Reimplemented in HcalSiPMHitResponse.

Definition at line 66 of file CaloHitResponse.cc.

References CaloVHitFilter::accepts(), mps_fire::i, edm::isNotFinite(), keep, keepBlank(), LogDebug, makeAnalogSignal(), CaloSamples::size(), findQualityFiles::size, theHitFilter, and PCaloHit::time().

Referenced by HcalSiPMHitResponse::add(), HcalSiPMHitResponse::finalizeHits(), counter.Counter::register(), and run().

                                                                           {
  // check the hit time makes sense
  if (edm::isNotFinite(hit.time())) {
    return;
  }

  // maybe it's not from this subdetector
  if (theHitFilter == nullptr || theHitFilter->accepts(hit)) {
    LogDebug("CaloHitResponse") << hit;
    CaloSamples signal(makeAnalogSignal(hit, engine));
    bool keep(keepBlank());  // here we  check for blank signal if not keeping them
    if (!keep) {
      const unsigned int size(signal.size());
      if (0 != size) {
        for (unsigned int i(0); i != size; ++i) {
          keep = keep || signal[i] > 1.e-7;
        }
      }
    }

    if (keep)
      add(signal);
  }
}

void CaloHitResponse::add ( const CaloSamples &  signal )

virtual

add a signal, in units of pe

Reimplemented in HcalSiPMHitResponse.

Definition at line 91 of file CaloHitResponse.cc.

References findSignal(), CaloSamples::id(), triggerObjects_cff::id, and theAnalogSignalMap.

Referenced by counter.Counter::register().

                                                   {
  DetId id(signal.id());
  CaloSamples *oldSignal = findSignal(id);
  if (oldSignal == nullptr) {
    theAnalogSignalMap[id] = signal;

  } else {
    (*oldSignal) += signal;
  }
}

void CaloHitResponse::addHit	(	const PCaloHit *	hit,
		CaloSamples &	frame
	)		const

adds the amplitude for a single hit to the frame

double CaloHitResponse::analogSignalAmplitude	(	const DetId &	id,
		float	energy,
		const CaloSimParameters &	parameters,
		CLHEP::HepRandomEngine *	engine
	)		const

finds the amplitude contribution from this hit, applying photostatistics, if needed. Results are in photoelectrons

Definition at line 147 of file CaloHitResponse.cc.

References CaloVPECorrection::correctPE(), CaloSimParameters::doPhotostatistics(), CaloSimParameters::simHitToPhotoelectrons(), and thePECorrection.

Referenced by HcalSiPMHitResponse::add(), and makeAnalogSignal().

                                                                                  {
  // OK, the "energy" in the hit could be a real energy, deposited energy,
  // or pe count.  This factor converts to photoelectrons
  // GMA Smeared in photon production it self
  double npe = energy * parameters.simHitToPhotoelectrons(detId);
  // do we need to doPoisson statistics for the photoelectrons?
  if (parameters.doPhotostatistics()) {
    npe = CLHEP::RandPoissonQ::shoot(engine, npe);
  }
  if (thePECorrection)
    npe = thePECorrection->correctPE(detId, npe, engine);
  return npe;
}

void CaloHitResponse::clear ( void  )

inline

frees up memory

Definition at line 79 of file CaloHitResponse.h.

Referenced by EcalMixingModuleValidation::computeSDBunchDigi().

{ theAnalogSignalMap.clear(); }

virtual void CaloHitResponse::finalizeHits ( CLHEP::HepRandomEngine *  )

inlinevirtual

Finalize hits.

Reimplemented in HcalSiPMHitResponse.

Definition at line 57 of file CaloHitResponse.h.

References PVValHelper::add(), hfClusterShapes_cfi::hits, and writedatasetfile::run.

{}

CaloSamples * CaloHitResponse::findSignal

(

const DetId &

detId

)

users can look for the signal for a given cell

Definition at line 164 of file CaloHitResponse.cc.

References mps_fire::result, and theAnalogSignalMap.

Referenced by add(), and EcalMixingModuleValidation::computeSDBunchDigi().

                                                           {
  CaloSamples *result = nullptr;
  AnalogSignalMap::iterator signalItr = theAnalogSignalMap.find(detId);
  if (signalItr == theAnalogSignalMap.end()) {
    result = nullptr;
  } else {
    result = &(signalItr->second);
  }
  return result;
}

virtual void CaloHitResponse::initializeHits ( )

inlinevirtual

Initialize hits.

Reimplemented in HcalSiPMHitResponse.

Definition at line 54 of file CaloHitResponse.h.

{}

virtual bool CaloHitResponse::keepBlank ( ) const

inlinevirtual

Definition at line 51 of file CaloHitResponse.h.

Referenced by add(), and HcalSiPMHitResponse::finalizeHits().

{ return true; }

CaloSamples CaloHitResponse::makeAnalogSignal ( const PCaloHit &  inputHit, CLHEP::HepRandomEngine *  engine  ) const

virtual

creates the signal corresponding to this hit

Definition at line 102 of file CaloHitResponse.cc.

References analogSignalAmplitude(), stringResolutionProvider_cfi::bin, BUNCHSPACE, CaloVHitCorrection::delay(), PCaloHit::energy(), PCaloHit::id(), ignoreTime, makeBlankSignal(), CaloSamples::preciseAtMod(), CaloSamples::resetPrecise(), mps_fire::result, CaloShapes::shape(), CaloVSimParameterMap::simParameters(), CaloSamples::size(), storePrecise, theHitCorrection, theParameterMap, thePhaseShift_, theShape, theShapes, PCaloHit::time(), protons_cff::time, timeOfFlight(), CaloVShape::timeToRise(), and tzero.

Referenced by add().

                                                                                                     {
  DetId detId(hit.id());
  const CaloSimParameters &parameters = theParameterMap->simParameters(detId);
  double signal = analogSignalAmplitude(detId, hit.energy(), parameters, engine);

  double time = hit.time();
  double tof = timeOfFlight(detId);
  if (ignoreTime)
    time = tof;
  if (theHitCorrection != nullptr) {
    time += theHitCorrection->delay(hit, engine);
  }
  double jitter = time - tof;

  const CaloVShape *shape = theShape;
  if (!shape) {
    shape = theShapes->shape(detId, storePrecise);
  }
  // assume bins count from zero, go for center of bin
  const double tzero = (shape->timeToRise() + parameters.timePhase() - jitter -
                        BUNCHSPACE * (parameters.binOfMaximum() - thePhaseShift_));
  double binTime = tzero;

  CaloSamples result(makeBlankSignal(detId));

  if (storePrecise) {
    result.resetPrecise();
    int sampleBin(0);
    // use 1ns binning for precise sample
    for (int bin = 0; bin < result.size() * BUNCHSPACE; bin++) {
      sampleBin = bin / BUNCHSPACE;
      double pulseBit = (*shape)(binTime)*signal;
      result[sampleBin] += pulseBit;
      result.preciseAtMod(bin) += pulseBit;
      binTime += 1.0;
    }
  } else {
    for (int bin = 0; bin < result.size(); bin++) {
      result[bin] += (*shape)(binTime)*signal;
      binTime += BUNCHSPACE;
    }
  }
  return result;
}

CaloSamples CaloHitResponse::makeBlankSignal

(

const DetId &

detId

)

const

creates an empty signal for this DetId

Definition at line 175 of file CaloHitResponse.cc.

References CaloSimParameters::binOfMaximum(), BUNCHSPACE, CaloSimParameters::readoutFrameSize(), mps_fire::result, CaloVSimParameterMap::simParameters(), storePrecise, and theParameterMap.

Referenced by makeAnalogSignal().

                                                                     {
  const CaloSimParameters &parameters = theParameterMap->simParameters(detId);
  int preciseSize(storePrecise ? parameters.readoutFrameSize() * BUNCHSPACE : 0);
  CaloSamples result(detId, parameters.readoutFrameSize(), preciseSize);
  result.setPresamples(parameters.binOfMaximum() - 1);
  if (storePrecise)
    result.setPrecise(result.presamples() * BUNCHSPACE, 1.0);
  return result;
}

int CaloHitResponse::nSignals ( ) const

inline

number of signals in the current cache

Definition at line 98 of file CaloHitResponse.h.

References spr::timeOfFlight().

{ return theAnalogSignalMap.size(); }

void CaloHitResponse::run ( const MixCollection< PCaloHit > &  hits, CLHEP::HepRandomEngine *  engine  )

virtual

Complete cell digitization.

Definition at line 58 of file CaloHitResponse.cc.

References add(), MixCollection< T >::begin(), MixCollection< T >::end(), and withinBunchRange().

Referenced by EcalMixingModuleValidation::computeSDBunchDigi().

                                                                                           {
  for (MixCollection<PCaloHit>::MixItr hitItr = hits.begin(); hitItr != hits.end(); ++hitItr) {
    if (withinBunchRange(hitItr.bunch())) {
      add(*hitItr, engine);
    }  // loop over hits
  }
}

void CaloHitResponse::setBunchRange	(	int	minBunch,
		int	maxBunch
	)

tells it which pileup bunches to do

Definition at line 53 of file CaloHitResponse.cc.

References DigiHGCalTB160_cff::maxBunch, DigiHGCalTB160_cff::minBunch, theMaxBunch, and theMinBunch.

Referenced by EcalMixingModuleValidation::computeSDBunchDigi().

                                                              {
  theMinBunch = minBunch;
  theMaxBunch = maxBunch;
}

void CaloHitResponse::setGeometry ( const CaloGeometry *  geometry )

inline

geometry needed for time-of-flight

Definition at line 49 of file CaloHitResponse.h.

References geometry.

Referenced by CastorDigiProducer::checkGeometry(), EcalMixingModuleValidation::computeSDBunchDigi(), and HcalTBDigiProducer::updateGeometry().

{ theGeometry = geometry; }

void CaloHitResponse::setHitCorrection ( const CaloVHitCorrection *  hitCorrection )

inline

If you want to correct hits, for attenuation or delay, set this.

Definition at line 73 of file CaloHitResponse.h.

Referenced by CastorDigiProducer::CastorDigiProducer().

{ theHitCorrection = hitCorrection; }

void CaloHitResponse::setHitFilter ( const CaloVHitFilter *  filter )

inline

if you want to reject hits, for example, from a certain subdetector, set this

Definition at line 70 of file CaloHitResponse.h.

References ALCARECOTkAlBeamHalo_cff::filter.

Referenced by CastorDigiProducer::CastorDigiProducer(), and HcalTBDigiProducer::HcalTBDigiProducer().

{ theHitFilter = filter; }

void CaloHitResponse::setIgnoreGeantTime ( bool  gt )

inline

Definition at line 118 of file CaloHitResponse.h.

{ ignoreTime = gt; }

void CaloHitResponse::setPECorrection ( const CaloVPECorrection *  peCorrection )

inline

if you want to correct the photoelectrons

Definition at line 76 of file CaloHitResponse.h.

{ thePECorrection = peCorrection; }

void CaloHitResponse::setPhaseShift ( const double &  thePhaseShift )

inline

setting the phase shift for asynchronous trigger (e.g. test beams)

Definition at line 108 of file CaloHitResponse.h.

Referenced by HcalTBDigiProducer::setPhaseShift().

{ thePhaseShift_ = thePhaseShift; }

void CaloHitResponse::setStorePrecise ( bool  sp )

inline

Definition at line 116 of file CaloHitResponse.h.

{ storePrecise = sp; }

double CaloHitResponse::timeOfFlight

(

const DetId &

detId

)

const

time-of-flight, in ns, to get to this cell returns 0 if no geometry has been set

Definition at line 185 of file CaloHitResponse.cc.

References SoftLeptonByDistance_cfi::distance, CaloSubdetectorGeometry::getGeometry(), CaloGeometry::getSubdetectorGeometry(), DetId::rawId(), mps_fire::result, and theGeometry.

Referenced by HcalSiPMHitResponse::add(), and makeAnalogSignal().

                                                             {
  // not going to assume there's one of these per subdetector.
  // Take the whole CaloGeometry and find the right subdet
  double result = 0.;
  if (theGeometry == nullptr) {
    edm::LogWarning("CaloHitResponse") << "No Calo Geometry set, so no time of flight correction";
  } else {
    auto cellGeometry = theGeometry->getSubdetectorGeometry(detId)->getGeometry(detId);
    if (cellGeometry == nullptr) {
      edm::LogWarning("CaloHitResponse") << "No Calo cell found for ID" << detId.rawId()
                                         << " so no time-of-flight subtraction will be done";
    } else {
      double distance = cellGeometry->getPosition().mag();
      result = distance * cm / c_light;  // Units of c_light: mm/ns
    }
  }
  return result;
}

bool CaloHitResponse::withinBunchRange ( int  bunchCrossing ) const

inline

check if crossing is within bunch range:

Definition at line 112 of file CaloHitResponse.h.

Referenced by run().

                                                 {
    return (bunchCrossing >= theMinBunch && bunchCrossing <= theMaxBunch);
  }

Member Data Documentation

bool CaloHitResponse::ignoreTime

protected

Definition at line 137 of file CaloHitResponse.h.

Referenced by HcalSiPMHitResponse::add(), and makeAnalogSignal().

bool CaloHitResponse::storePrecise

protected

Definition at line 136 of file CaloHitResponse.h.

Referenced by makeAnalogSignal(), and makeBlankSignal().

AnalogSignalMap CaloHitResponse::theAnalogSignalMap

protected

Definition at line 121 of file CaloHitResponse.h.

Referenced by add(), and findSignal().

const CaloGeometry* CaloHitResponse::theGeometry

protected

Definition at line 130 of file CaloHitResponse.h.

Referenced by timeOfFlight().

const CaloVHitCorrection* CaloHitResponse::theHitCorrection

protected

Definition at line 126 of file CaloHitResponse.h.

Referenced by makeAnalogSignal().

const CaloVHitFilter* CaloHitResponse::theHitFilter

protected

Definition at line 128 of file CaloHitResponse.h.

Referenced by HcalSiPMHitResponse::add(), and add().

int CaloHitResponse::theMaxBunch

protected

Definition at line 133 of file CaloHitResponse.h.

Referenced by setBunchRange().

int CaloHitResponse::theMinBunch

protected

Definition at line 132 of file CaloHitResponse.h.

Referenced by setBunchRange().

const CaloVSimParameterMap* CaloHitResponse::theParameterMap

protected

Definition at line 123 of file CaloHitResponse.h.

Referenced by HcalSiPMHitResponse::add(), HcalSiPMHitResponse::addPEnoise(), HcalSiPMHitResponse::getReadoutFrameSize(), makeAnalogSignal(), HcalSiPMHitResponse::makeBlankSignal(), makeBlankSignal(), and HcalSiPMHitResponse::makeSiPMSignal().

const CaloVPECorrection* CaloHitResponse::thePECorrection

protected

Definition at line 127 of file CaloHitResponse.h.

Referenced by analogSignalAmplitude().

double CaloHitResponse::thePhaseShift_

protected

Definition at line 135 of file CaloHitResponse.h.

Referenced by HcalSiPMHitResponse::add(), and makeAnalogSignal().

const CaloVShape* CaloHitResponse::theShape

protected

Definition at line 125 of file CaloHitResponse.h.

Referenced by makeAnalogSignal().

const CaloShapes* CaloHitResponse::theShapes

protected

Definition at line 124 of file CaloHitResponse.h.

Referenced by makeAnalogSignal().