HcalHF_PETalgorithm Class Reference

#include <HcalHF_PETalgorithm.h>

Public Member Functions
double	bit ()
double	CalcThreshold (double abs_energy, const std::vector< double > &params)
std::vector< double >	GetLong_Energy_Thresh ()
std::vector< double >	GetLong_ET_Thresh ()
std::vector< double >	GetLong_R ()
std::vector< double >	GetShort_Energy_Thresh ()
std::vector< double >	GetShort_ET_Thresh ()
std::vector< double >	GetShort_R ()
	HcalHF_PETalgorithm ()
	HcalHF_PETalgorithm (const std::vector< double > &short_R, const std::vector< double > &short_Energy, const std::vector< double > &short_ET, const std::vector< double > &long_R, const std::vector< double > &long_Energy, const std::vector< double > &long_ET, int HcalAcceptSeverityLevel, const std::vector< double > &short_R_29, const std::vector< double > &long_R_29)
void	HFSetFlagFromPET (HFRecHit &hf, HFRecHitCollection &rec, const HcalChannelQuality *myqual, const HcalSeverityLevelComputer *mySeverity)
void	SetLong_Energy_Thresh (const std::vector< double > &x)
void	SetLong_ET_Thresh (const std::vector< double > &x)
void	SetLong_R (const std::vector< double > &x)
void	SetShort_Energy_Thresh (const std::vector< double > &x)
void	SetShort_ET_Thresh (const std::vector< double > &x)
void	SetShort_R (const std::vector< double > &x)
	~HcalHF_PETalgorithm ()

Private Attributes
int	HcalAcceptSeverityLevel_
std::vector< double >	long_Energy_Thresh
std::vector< double >	long_ET_Thresh
std::vector< double >	long_R
std::vector< double >	long_R_29
std::vector< double >	short_Energy_Thresh
std::vector< double >	short_ET_Thresh
std::vector< double >	short_R
std::vector< double >	short_R_29

Detailed Description

Class evaluates the ratio |(L-S)/(L+S)| for a given cell, and flags the cell if the threshold exceeds a given maximum value R(Energy). Each cell must also pass ieta-dependent energy and ET cuts to be considered for flagging.

Author

J. Temple and D. Ferencek

Definition at line 21 of file HcalHF_PETalgorithm.h.

Constructor & Destructor Documentation

HcalHF_PETalgorithm::HcalHF_PETalgorithm

(

)

Constructors

Definition at line 13 of file HcalHF_PETalgorithm.cc.

References HcalAcceptSeverityLevel_, long_Energy_Thresh, long_ET_Thresh, long_R, long_R_29, short_Energy_Thresh, short_ET_Thresh, short_R, and short_R_29.

                                         {
  // no params given; revert to old 'algo 1' fixed settings
  short_R.clear();
  short_R.push_back(0.995);
  short_R_29.clear();
  short_R_29.push_back(0.995);
  short_Energy_Thresh.clear();
  short_Energy_Thresh.push_back(50);
  short_ET_Thresh.clear();
  short_ET_Thresh.push_back(0);

  long_R.clear();
  long_R.push_back(0.995);
  long_R_29.clear();
  long_R_29.push_back(0.995);
  long_Energy_Thresh.clear();
  long_Energy_Thresh.push_back(50);
  long_ET_Thresh.clear();
  long_ET_Thresh.push_back(0);
  HcalAcceptSeverityLevel_ = 0;
}

HcalHF_PETalgorithm::HcalHF_PETalgorithm	(	const std::vector< double > &	short_R,
		const std::vector< double > &	short_Energy,
		const std::vector< double > &	short_ET,
		const std::vector< double > &	long_R,
		const std::vector< double > &	long_Energy,
		const std::vector< double > &	long_ET,
		int	HcalAcceptSeverityLevel,
		const std::vector< double > &	short_R_29,
		const std::vector< double > &	long_R_29
	)

Definition at line 35 of file HcalHF_PETalgorithm.cc.

References HLT_FULL_cff::HcalAcceptSeverityLevel, HcalAcceptSeverityLevel_, long_Energy_Thresh, long_ET_Thresh, long_R, long_R_29, short_Energy_Thresh, short_ET_Thresh, short_R, and short_R_29.

                                                                           {
  // R is parameterized depending on the energy of the cells, so just store the parameters here
  short_R = shortR;
  long_R = longR;
  short_R_29 = shortR29;
  long_R_29 = longR29;

  // Energy and ET cuts are ieta-dependent, and only need to be calculated once!
  short_Energy_Thresh.clear();
  short_ET_Thresh.clear();
  long_Energy_Thresh.clear();
  long_ET_Thresh.clear();

  //separate short, long cuts provided for each ieta
  short_Energy_Thresh = shortEnergyParams;
  short_ET_Thresh = shortETParams;
  long_Energy_Thresh = longEnergyParams;
  long_ET_Thresh = longETParams;

  HcalAcceptSeverityLevel_ = HcalAcceptSeverityLevel;
}

HcalHF_PETalgorithm::~HcalHF_PETalgorithm

(

)

Definition at line 65 of file HcalHF_PETalgorithm.cc.

{}

Member Function Documentation

double HcalHF_PETalgorithm::bit ( )

inline

Definition at line 60 of file HcalHF_PETalgorithm.h.

References HcalCaloFlagLabels::HFLongShort.

{ return HcalCaloFlagLabels::HFLongShort; }

double HcalHF_PETalgorithm::CalcThreshold	(	double	abs_energy,
		const std::vector< double > &	params
	)

Definition at line 151 of file HcalHF_PETalgorithm.cc.

References mps_fire::i, funct::pow(), and dtDQMClient_cfg::threshold.

Referenced by HFSetFlagFromPET().

                                                                                       {
  /* CalcEnergyThreshold calculates the polynomial [0]+[1]*x + [2]*x^2 + ....,
     where x is an integer provided by the first argument (int double abs_x),
     and [0],[1],[2] is a vector of doubles provided by the second (std::vector<double> params).
     The output of the polynomial calculation (threshold) is returned by the function.
  */
  double threshold = 0;
  for (std::vector<double>::size_type i = 0; i < params.size(); ++i) {
    threshold += params[i] * pow(abs_x, (int)i);
  }
  return threshold;
}  //double HcalHF_PETalgorithm::CalcThreshold(double abs_x,std::vector<double> params)

std::vector<double> HcalHF_PETalgorithm::GetLong_Energy_Thresh ( )

inline

Definition at line 58 of file HcalHF_PETalgorithm.h.

References long_Energy_Thresh.

{ return long_Energy_Thresh; }

std::vector<double> HcalHF_PETalgorithm::GetLong_ET_Thresh ( )

inline

Definition at line 57 of file HcalHF_PETalgorithm.h.

References long_ET_Thresh.

{ return long_ET_Thresh; }

std::vector<double> HcalHF_PETalgorithm::GetLong_R ( )

inline

Definition at line 56 of file HcalHF_PETalgorithm.h.

References long_R.

{ return long_R; }

std::vector<double> HcalHF_PETalgorithm::GetShort_Energy_Thresh ( )

inline

Definition at line 55 of file HcalHF_PETalgorithm.h.

References short_Energy_Thresh.

{ return short_Energy_Thresh; }

std::vector<double> HcalHF_PETalgorithm::GetShort_ET_Thresh ( )

inline

Definition at line 54 of file HcalHF_PETalgorithm.h.

References short_ET_Thresh.

{ return short_ET_Thresh; }

std::vector<double> HcalHF_PETalgorithm::GetShort_R ( )

inline

Definition at line 53 of file HcalHF_PETalgorithm.h.

References short_R.

{ return short_R; }

void HcalHF_PETalgorithm::HFSetFlagFromPET	(	HFRecHit &	hf,
		HFRecHitCollection &	rec,
		const HcalChannelQuality *	myqual,
		const HcalSeverityLevelComputer *	mySeverity
	)

Definition at line 67 of file HcalHF_PETalgorithm.cc.

References funct::abs(), CalcThreshold(), HcalDetId::depth(), HLT_FULL_cff::depth, HcalSeverityLevelComputer::dropChannel(), edm::SortedCollection< T, SORT >::end(), relval_parameters_module::energy, CaloRecHit::energy(), ET, HLT_FULL_cff::eta1, HLT_FULL_cff::eta2, HcalTopology::etaRange(), EnergyCorrector::etas, edm::SortedCollection< T, SORT >::find(), HcalSeverityLevelComputer::getSeverityLevel(), HcalChannelStatus::getValue(), HcalCondObjectContainer< Item >::getValues(), HcalAcceptSeverityLevel_, HcalForward, HcalCaloFlagLabels::HFLongShort, HcalCaloFlagLabels::HFPET, HFRecHit::id(), HcalDetId::ieta(), HcalDetId::iphi(), long_Energy_Thresh, long_ET_Thresh, long_R, long_R_29, DetId::rawId(), CaloRecHit::setFlagField(), short_Energy_Thresh, short_ET_Thresh, short_R, short_R_29, and HcalCondObjectContainerBase::topo().

Referenced by HcalHitReconstructor::produce().

                                                                                        {
  /*  Set the HFLongShort flag by comparing the ratio |L-S|/|L+S|.  Channels must first pass energy and ET cuts, and channels whose partners are known to be dead are skipped, since those channels can never satisfy the ratio cut.  */

  int ieta = hf.id().ieta();  // get coordinates of rechit being checked
  int depth = hf.id().depth();
  int iphi = hf.id().iphi();
  std::pair<double, double> etas = myqual->topo()->etaRange(HcalForward, abs(ieta));
  double eta1 = etas.first;
  double eta2 = etas.second;
  double fEta = 0.5 * (eta1 + eta2);  // calculate eta as average of eta values at ieta boundaries
  double energy = hf.energy();
  double ET = energy / fabs(cosh(fEta));

  // Step 1:  Check energy and ET cuts
  double ETthresh = 0, Energythresh = 0;  // set ET, energy thresholds

  if (depth == 1)  // set thresholds for long fibers
  {
    Energythresh = long_Energy_Thresh[abs(ieta) - 29];
    ETthresh = long_ET_Thresh[abs(ieta) - 29];
  } else if (depth == 2)  // short fibers
  {
    Energythresh = short_Energy_Thresh[abs(ieta) - 29];
    ETthresh = short_ET_Thresh[abs(ieta) - 29];
  }

  if (energy < Energythresh || ET < ETthresh) {
    hf.setFlagField(0, HcalCaloFlagLabels::HFLongShort);  // shouldn't be necessary, but set bit to 0 just to be sure
    hf.setFlagField(0, HcalCaloFlagLabels::HFPET);
    return;
  }

  // Step 2:  Get partner info, check if partner is excluded from rechits already
  HcalDetId partner(HcalForward, ieta, iphi, 3 - depth);  //  if depth=1, 3-depth=2, and vice versa
  DetId detpartner = DetId(partner);
  const HcalChannelStatus* partnerstatus = myqual->getValues(detpartner.rawId());

  // Don't set the bit if the partner has been dropped from the rechit collection ('dead' or 'off')
  if (mySeverity->dropChannel(partnerstatus->getValue())) {
    hf.setFlagField(0, HcalCaloFlagLabels::HFLongShort);  // shouldn't be necessary, but set bit to 0 just to be sure
    hf.setFlagField(0, HcalCaloFlagLabels::HFPET);
    return;
  }

  // Step 3:  Compute ratio
  double Ratio = 0;
  HFRecHitCollection::const_iterator part = rec.find(partner);
  if (part != rec.end()) {
    HcalDetId neighbor(part->detid().rawId());
    const uint32_t chanstat = myqual->getValues(neighbor)->getValue();
    int SeverityLevel = mySeverity->getSeverityLevel(neighbor, part->flags(), chanstat);

    if (SeverityLevel <= HcalAcceptSeverityLevel_)
      Ratio = (energy - part->energy()) / (energy + part->energy());
  }

  double RatioThresh = 0;
  // Allow for the ratio cut to be parameterized in terms of energy
  if (abs(ieta) == 29) {
    if (depth == 1)
      RatioThresh = CalcThreshold(energy, long_R_29);
    else if (depth == 2)
      RatioThresh = CalcThreshold(energy, short_R_29);
  } else {
    if (depth == 1)
      RatioThresh = CalcThreshold(energy, long_R);
    else if (depth == 2)
      RatioThresh = CalcThreshold(energy, short_R);
  }
  if (Ratio <= RatioThresh) {
    hf.setFlagField(0, HcalCaloFlagLabels::HFLongShort);  // shouldn't be necessary, but set bit to 0 just to be sure
    hf.setFlagField(0, HcalCaloFlagLabels::HFPET);
    return;
  }
  // Made it this far -- ratio is > threshold, and cell should be flagged!
  // 'HFLongShort' is overall topological flag, and 'HFPET' is the flag for this
  // specific test
  hf.setFlagField(1, HcalCaloFlagLabels::HFLongShort);
  hf.setFlagField(1, HcalCaloFlagLabels::HFPET);
}  //void HcalHF_PETalgorithm::HFSetFlagFromPET

void HcalHF_PETalgorithm::SetLong_Energy_Thresh ( const std::vector< double > &  x )

inline

Definition at line 51 of file HcalHF_PETalgorithm.h.

References long_Energy_Thresh, and x.

{ long_Energy_Thresh = x; }

void HcalHF_PETalgorithm::SetLong_ET_Thresh ( const std::vector< double > &  x )

inline

Definition at line 50 of file HcalHF_PETalgorithm.h.

References long_ET_Thresh, and x.

{ long_ET_Thresh = x; }

void HcalHF_PETalgorithm::SetLong_R ( const std::vector< double > &  x )

inline

Definition at line 49 of file HcalHF_PETalgorithm.h.

References x.

{ long_R = x; }

void HcalHF_PETalgorithm::SetShort_Energy_Thresh ( const std::vector< double > &  x )

inline

Definition at line 48 of file HcalHF_PETalgorithm.h.

References short_Energy_Thresh, and x.

{ short_Energy_Thresh = x; }

void HcalHF_PETalgorithm::SetShort_ET_Thresh ( const std::vector< double > &  x )

inline

Definition at line 47 of file HcalHF_PETalgorithm.h.

References short_ET_Thresh, and x.

{ short_ET_Thresh = x; }

void HcalHF_PETalgorithm::SetShort_R ( const std::vector< double > &  x )

inline

Definition at line 46 of file HcalHF_PETalgorithm.h.

References x.

{ short_R = x; }

Member Data Documentation

int HcalHF_PETalgorithm::HcalAcceptSeverityLevel_

private

Definition at line 70 of file HcalHF_PETalgorithm.h.

Referenced by HcalHF_PETalgorithm(), and HFSetFlagFromPET().

std::vector<double> HcalHF_PETalgorithm::long_Energy_Thresh

private

Definition at line 69 of file HcalHF_PETalgorithm.h.

Referenced by GetLong_Energy_Thresh(), HcalHF_PETalgorithm(), HFSetFlagFromPET(), and SetLong_Energy_Thresh().

std::vector<double> HcalHF_PETalgorithm::long_ET_Thresh

private

Definition at line 68 of file HcalHF_PETalgorithm.h.

Referenced by GetLong_ET_Thresh(), HcalHF_PETalgorithm(), HFSetFlagFromPET(), and SetLong_ET_Thresh().

std::vector<double> HcalHF_PETalgorithm::long_R

private

Definition at line 67 of file HcalHF_PETalgorithm.h.

Referenced by GetLong_R(), HcalHF_PETalgorithm(), and HFSetFlagFromPET().

std::vector<double> HcalHF_PETalgorithm::long_R_29

private

Definition at line 72 of file HcalHF_PETalgorithm.h.

Referenced by HcalHF_PETalgorithm(), and HFSetFlagFromPET().

std::vector<double> HcalHF_PETalgorithm::short_Energy_Thresh

private

Definition at line 65 of file HcalHF_PETalgorithm.h.

Referenced by GetShort_Energy_Thresh(), HcalHF_PETalgorithm(), HFSetFlagFromPET(), and SetShort_Energy_Thresh().

std::vector<double> HcalHF_PETalgorithm::short_ET_Thresh

private

Definition at line 64 of file HcalHF_PETalgorithm.h.

Referenced by GetShort_ET_Thresh(), HcalHF_PETalgorithm(), HFSetFlagFromPET(), and SetShort_ET_Thresh().

std::vector<double> HcalHF_PETalgorithm::short_R

private

Definition at line 63 of file HcalHF_PETalgorithm.h.

Referenced by GetShort_R(), HcalHF_PETalgorithm(), and HFSetFlagFromPET().

std::vector<double> HcalHF_PETalgorithm::short_R_29

private

Definition at line 71 of file HcalHF_PETalgorithm.h.

Referenced by HcalHF_PETalgorithm(), and HFSetFlagFromPET().