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 22 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 36 of file HcalHF_PETalgorithm.cc.

References CaloTowerSchemeBnoEE_cfi::HcalAcceptSeverityLevel, HcalAcceptSeverityLevel_, long_Energy_Thresh, long_ET_Thresh, long_R, long_R_29, HcalHitReconstructor_hf_cfi::longEnergyParams, HcalHitReconstructor_hf_cfi::longETParams, short_Energy_Thresh, short_ET_Thresh, short_R, short_R_29, HcalHitReconstructor_hf_cfi::shortEnergyParams, and HcalHitReconstructor_hf_cfi::shortETParams.

{
  // 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 67 of file HcalHF_PETalgorithm.cc.

{}

Member Function Documentation

double HcalHF_PETalgorithm::bit ( )

inline

Definition at line 61 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 164 of file HcalHF_PETalgorithm.cc.

References mps_fire::i, funct::pow(), and electronIdCutBased_cfi::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 59 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 58 of file HcalHF_PETalgorithm.h.

References long_ET_Thresh.

{return long_ET_Thresh;}

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

inline

Definition at line 57 of file HcalHF_PETalgorithm.h.

References long_R.

{return long_R;}

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

inline

Definition at line 56 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 55 of file HcalHF_PETalgorithm.h.

References short_ET_Thresh.

{return short_ET_Thresh;}

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

inline

Definition at line 54 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 71 of file HcalHF_PETalgorithm.cc.

References funct::abs(), CalcThreshold(), egammaForCoreTracking_cff::depth, HcalDetId::depth(), HcalSeverityLevelComputer::dropChannel(), edm::SortedCollection< T, SORT >::end(), CaloRecHit::energy(), ET, 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 52 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 51 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 50 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 49 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 48 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 47 of file HcalHF_PETalgorithm.h.

References x.

{short_R=x;}

Member Data Documentation

int HcalHF_PETalgorithm::HcalAcceptSeverityLevel_

private

Definition at line 71 of file HcalHF_PETalgorithm.h.

Referenced by HcalHF_PETalgorithm(), and HFSetFlagFromPET().

std::vector<double> HcalHF_PETalgorithm::long_Energy_Thresh

private

Definition at line 70 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 69 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 68 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 73 of file HcalHF_PETalgorithm.h.

Referenced by HcalHF_PETalgorithm(), and HFSetFlagFromPET().

std::vector<double> HcalHF_PETalgorithm::short_Energy_Thresh

private

Definition at line 66 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 65 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 64 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 72 of file HcalHF_PETalgorithm.h.

Referenced by HcalHF_PETalgorithm(), and HFSetFlagFromPET().