CastorHitCorrection Class Reference

#include <CastorHitCorrection.h>

Inheritance diagram for CastorHitCorrection:

Public Types
typedef std::map< DetId, double >	ChargeSumsByChannel

Public Member Functions
	CastorHitCorrection (const CaloVSimParameterMap *parameterMap)
double	charge (const PCaloHit &hit) const
	how much charge we expect from this hit More...
void	clear ()
double	delay (const PCaloHit &hit, CLHEP::HepRandomEngine *) const override
	how much delay this hit will get More...
void	fillChargeSums (MixCollection< PCaloHit > &hits)
void	fillChargeSums (const std::vector< PCaloHit > &hits)
int	timeBin (const PCaloHit &hit) const
	which time bin the peak of the signal will fall in More...
double	timeOfFlight (const DetId &id) const
	simple average approximation More...
	~CastorHitCorrection () override
Public Member Functions inherited from CaloVHitCorrection
virtual	~CaloVHitCorrection ()=default

Private Attributes
ChargeSumsByChannel	theChargeSumsForTimeBin [10]
const CaloVSimParameterMap *	theParameterMap

Detailed Description

Definition at line 21 of file CastorHitCorrection.h.

Member Typedef Documentation

typedef std::map<DetId, double> CastorHitCorrection::ChargeSumsByChannel

Definition at line 23 of file CastorHitCorrection.h.

Constructor & Destructor Documentation

CastorHitCorrection::CastorHitCorrection

(

const CaloVSimParameterMap *

parameterMap

)

Definition at line 10 of file CastorHitCorrection.cc.

: theParameterMap(parameterMap) {}

CastorHitCorrection::~CastorHitCorrection ( )

inlineoverride

Definition at line 26 of file CastorHitCorrection.h.

References ALCARECOTkAlJpsiMuMu_cff::charge, hitfit::clear(), hfClusterShapes_cfi::hits, and spr::timeOfFlight().

{}

Member Function Documentation

double CastorHitCorrection::charge

(

const PCaloHit &

hit

)

const

how much charge we expect from this hit

Definition at line 42 of file CastorHitCorrection.cc.

References PCaloHit::energy(), PCaloHit::id(), CaloSimParameters::simHitToPhotoelectrons(), CaloVSimParameterMap::simParameters(), and theParameterMap.

Referenced by delay(), and fillChargeSums().

                                                            {
  DetId detId(hit.id());
  const CaloSimParameters &parameters = theParameterMap->simParameters(detId);
  double simHitToCharge = parameters.simHitToPhotoelectrons() * parameters.photoelectronsToAnalog();
  return hit.energy() * simHitToCharge;
}

void CastorHitCorrection::clear

(

void

)

Definition at line 36 of file CastorHitCorrection.cc.

References mps_fire::i, and theChargeSumsForTimeBin.

                                {
  for (int i = 0; i < 10; ++i) {
    theChargeSumsForTimeBin[i].clear();
  }
}

double CastorHitCorrection::delay ( const PCaloHit &  hit, CLHEP::HepRandomEngine *    ) const

overridevirtual

how much delay this hit will get

Implements CaloVHitCorrection.

Definition at line 49 of file CastorHitCorrection.cc.

References DetId::Calo, charge(), CastorTimeSlew::delay(), end, Exception, HcalForward, HcalOuter, PCaloHit::id(), LogDebug, CastorTimeSlew::Medium, CastorTimeSlew::Slow, HcalCastorDetId::SubdetectorId, theChargeSumsForTimeBin, and timeBin().

                                                                                   {
  // HO goes slow, HF shouldn't be used at all
  // Castor not used for the moment

  DetId detId(hit.id());
  if (detId.det() == DetId::Calo && (detId.subdetId() == HcalCastorDetId::SubdetectorId))
    return 0;

  HcalDetId hcalDetId(hit.id());
  if (hcalDetId.subdet() == HcalForward)
    return 0;
  CastorTimeSlew::BiasSetting biasSetting =
      (hcalDetId.subdet() == HcalOuter) ? CastorTimeSlew::Slow : CastorTimeSlew::Medium;
  double delay = 0.;
  int tbin = timeBin(hit);
  if (tbin >= 0 && tbin < 10) {
    ChargeSumsByChannel::const_iterator totalChargeItr = theChargeSumsForTimeBin[tbin].find(detId);
    if (totalChargeItr == theChargeSumsForTimeBin[tbin].end()) {
      throw cms::Exception("CastorHitCorrection") << "Cannot find HCAL/CASTOR charge sum for hit " << hit;
    }
    double totalCharge = totalChargeItr->second;
    delay = CastorTimeSlew::delay(totalCharge, biasSetting);
    LogDebug("CastorHitCorrection") << "TIMESLEWcharge " << charge(hit) << "  totalcharge " << totalCharge
                                    << " olddelay " << CastorTimeSlew::delay(charge(hit), biasSetting) << " newdelay "
                                    << delay;
  }

  return delay;
}

void CastorHitCorrection::fillChargeSums

(

MixCollection< PCaloHit > &

hits

)

Definition at line 12 of file CastorHitCorrection.cc.

References MixCollection< T >::begin(), charge(), TauDecayModes::dec, MixCollection< T >::end(), LogDebug, theChargeSumsForTimeBin, and timeBin().

Referenced by CastorDigiProducer::accumulateCaloHits().

                                                                      {
  //  clear();
  for (MixCollection<PCaloHit>::MixItr hitItr = hits.begin(); hitItr != hits.end(); ++hitItr) {
    LogDebug("CastorHitCorrection") << "CastorHitCorrection::Hit 0x" << std::hex << hitItr->id() << std::dec;
    int tbin = timeBin(*hitItr);
    LogDebug("CastorHitCorrection") << "CastorHitCorrection::Hit tbin" << tbin;
    if (tbin >= 0 && tbin < 10) {
      theChargeSumsForTimeBin[tbin][DetId(hitItr->id())] += charge(*hitItr);
    }
  }
}

void CastorHitCorrection::fillChargeSums

(

const std::vector< PCaloHit > &

hits

)

Definition at line 24 of file CastorHitCorrection.cc.

References charge(), TauDecayModes::dec, LogDebug, theChargeSumsForTimeBin, and timeBin().

                                                                        {
  //  clear();
  for (std::vector<PCaloHit>::const_iterator hitItr = hits.begin(); hitItr != hits.end(); ++hitItr) {
    LogDebug("CastorHitCorrection") << "CastorHitCorrection::Hit 0x" << std::hex << hitItr->id() << std::dec;
    int tbin = timeBin(*hitItr);
    LogDebug("CastorHitCorrection") << "CastorHitCorrection::Hit tbin" << tbin;
    if (tbin >= 0 && tbin < 10) {
      theChargeSumsForTimeBin[tbin][DetId(hitItr->id())] += charge(*hitItr);
    }
  }
}

int CastorHitCorrection::timeBin

(

const PCaloHit &

hit

)

const

which time bin the peak of the signal will fall in

Definition at line 79 of file CastorHitCorrection.cc.

References CaloSimParameters::binOfMaximum(), PCaloHit::id(), CaloVSimParameterMap::simParameters(), protons_cff::t, theParameterMap, PCaloHit::time(), timeOfFlight(), and CaloSimParameters::timePhase().

Referenced by delay(), and fillChargeSums().

                                                          {
  const CaloSimParameters &parameters = theParameterMap->simParameters(DetId(hit.id()));
  double t = hit.time() - timeOfFlight(DetId(hit.id())) + parameters.timePhase();
  return static_cast<int>(t / 25) + parameters.binOfMaximum() - 1;
}

double CastorHitCorrection::timeOfFlight

(

const DetId &

id

)

const

simple average approximation

Definition at line 85 of file CastorHitCorrection.cc.

References DetId::Calo, DetId::det(), Exception, HcalCastorDetId::SubdetectorId, and DetId::subdetId().

Referenced by timeBin().

                                                                 {
  if (detId.det() == DetId::Calo && detId.subdetId() == HcalCastorDetId::SubdetectorId)
    return 37.666;
  else
    throw cms::Exception("not HcalCastorDetId");
}

Member Data Documentation

ChargeSumsByChannel CastorHitCorrection::theChargeSumsForTimeBin[10]

private

Definition at line 49 of file CastorHitCorrection.h.

Referenced by clear(), delay(), and fillChargeSums().

const CaloVSimParameterMap* CastorHitCorrection::theParameterMap

private

Definition at line 47 of file CastorHitCorrection.h.

Referenced by charge(), and timeBin().