jet::JetCaloQualityUtils Class Reference

#include <JetCaloQualityUtils.h>

Collaboration diagram for jet::JetCaloQualityUtils:

Static Public Member Functions
static double	emFraction (const std::vector< float > &ePerSampling)
static double	fracSamplingMax (const Jet *jet, int &SamplingMax)
static double	jetOutOfTimeEnergyFractionClusters (const Jet *, const double, const bool)
static double	hecF (const Jet *jet)
static double	presamplerFraction (const Jet *jet)
static double	tileGap3F (const Jet *jet)
static double	jetNegativeEnergy (const Jet *jet)
static bool	isUgly (const Jet *jet, const bool recalculateQuantities=false)

Static Private Member Functions
static int	compute_nLeading (std::vector< double > &cell_energies, const float &e, const float &frac)

Friends
class	JetCalcnLeadingCells

Detailed Description

Definition at line 28 of file JetCaloQualityUtils.h.

Member Function Documentation

compute_nLeading()

int jet::JetCaloQualityUtils::compute_nLeading ( std::vector< double > & cell_energies, const float & e, const float & frac )

staticprivate

Definition at line 37 of file JetCaloQualityUtils.cxx.

  {  
    std::sort(cell_energies.rbegin(),cell_energies.rend());
    int counter =0;
    float sum = 0;
    for(unsigned int i=0;i<cell_energies.size();i++)
      {
        sum += cell_energies[i];
        counter++;
        if(sum>frac*e) break;
      }
    return counter;
  }

emFraction()

double jet::JetCaloQualityUtils::emFraction ( const std::vector< float > & ePerSampling )

static

Definition at line 56 of file JetCaloQualityUtils.cxx.

                                                                          {   
    double e_EM = 0;
    for(int i=0; i<9; i++) e_EM += e_sampling[ ::em_calosample[i] ];
    
    double e_HAD = 0;
    for(int i=0; i<15; i++) e_HAD += e_sampling[ ::had_calosample[i] ];
    if( (e_EM==0) || ((e_EM+e_HAD)==0) ) return 0.;
    return (e_EM / (e_EM+e_HAD));    
  }

fracSamplingMax()

double jet::JetCaloQualityUtils::fracSamplingMax ( const Jet * jet, int & SamplingMax )

static

Definition at line 107 of file JetCaloQualityUtils.cxx.

  {
    const std::vector<float> & einsampling = eperSamplAcc(*jet);
 
    double fracSamplingMax=-999999999.;    
    double sumE_samplings=0.;
    for ( unsigned int i(0); i < einsampling.size(); ++i )
      {
        double e = einsampling[i];
        sumE_samplings+=e;
        if (e>fracSamplingMax)
          {
            fracSamplingMax=e;
            SamplingMax=i;
          }
      }
 
    if(sumE_samplings!=0)
      fracSamplingMax/=sumE_samplings;
    else fracSamplingMax=0;
  
    return fracSamplingMax;
  }

hecF()

double jet::JetCaloQualityUtils::hecF ( const Jet * jet )

static

Definition at line 67 of file JetCaloQualityUtils.cxx.

  {
    
    const std::vector<float> & einsampling = eperSamplAcc(*jet);
    
    double e_hec =einsampling[CaloSampling::HEC0]
      +einsampling[CaloSampling::HEC1]
      +einsampling[CaloSampling::HEC2]
      +einsampling[CaloSampling::HEC3];
    
    double e_jet = jet->jetP4(xAOD::JetEMScaleMomentum).E();
  
    if(e_jet!=0) return  e_hec/e_jet;
    else return -999;
  }

isUgly()

bool jet::JetCaloQualityUtils::isUgly ( const Jet * jet, const bool recalculateQuantities = false )

static

Definition at line 144 of file JetCaloQualityUtils.cxx.

                                                             {
    double fcor = jet->getAttribute<float>(xAOD::JetAttribute::BchCorrCell);
    double tileGap3f = JetCaloQualityUtils::tileGap3F(jet);
    
    if (fcor>0.5) return true;
    if (tileGap3f >0.5) return true;
    
    return false;
  }

jetNegativeEnergy()

double jet::JetCaloQualityUtils::jetNegativeEnergy ( const Jet * jet )

static

Definition at line 137 of file JetCaloQualityUtils.cxx.

  {
    JetCalcNegativeEnergy negE;
    return negE(jet);
  }

jetOutOfTimeEnergyFractionClusters()

double jet::JetCaloQualityUtils::jetOutOfTimeEnergyFractionClusters ( const Jet * , const double , const bool  )

inlinestatic

Definition at line 42 of file JetCaloQualityUtils.h.

{return 0;}

presamplerFraction()

double jet::JetCaloQualityUtils::presamplerFraction ( const Jet * jet )

static

Definition at line 83 of file JetCaloQualityUtils.cxx.

  {
    const std::vector<float>& einsampling = eperSamplAcc(*jet);
 
    double e_pres = einsampling[CaloSampling::PreSamplerB] + einsampling[CaloSampling::PreSamplerE];
 
    double e_jet = jet->jetP4(xAOD::JetEMScaleMomentum).E();
  
    if(e_jet!=0) return  e_pres/e_jet;
    else return -999;
  }

tileGap3F()

double jet::JetCaloQualityUtils::tileGap3F ( const Jet * jet )

static

Definition at line 95 of file JetCaloQualityUtils.cxx.

  {
    const std::vector<float> & einsampling = eperSamplAcc(*jet);
 
    double e_tileGap3 =einsampling[CaloSampling::TileGap3];
    double e_jet = jet->jetP4(xAOD::JetEMScaleMomentum).E();
 
    if(e_jet!=0) return  e_tileGap3/e_jet;
    else return -999;
  }

Friends And Related Symbol Documentation

JetCalcnLeadingCells

friend class JetCalcnLeadingCells

friend

Definition at line 30 of file JetCaloQualityUtils.h.

---

The documentation for this class was generated from the following files:

• JetCaloQualityUtils.h
• JetCaloQualityUtils.cxx