HGCalClusterTools Class Reference

#include <HGCalClusterTools.h>

Public Types
enum	EType { EType::ET, EType::ENERGY }

Static Public Member Functions
static float	emEnergyInCone (const float eta, const float phi, const std::vector< reco::CaloCluster > &layerClusters, const float minDR, const float maxDR, const float minEt, const float minEnergy, const HGCalClusterTools::EType &eType=EType::ENERGY)
static float	energyInCone (const float eta, const float phi, const std::vector< reco::CaloCluster > &layerClusters, const float minDR, const float maxDR, const float minEt, const float minEnergy, const std::vector< DetId::Detector > &subDets, const HGCalClusterTools::EType &eType=EType::ENERGY)
static float	hadEnergyInCone (const float eta, const float phi, const std::vector< reco::CaloCluster > &layerClusters, const float minDR, const float maxDR, const float minEt, const float minEnergy, const HGCalClusterTools::EType &eType=EType::ENERGY)

Detailed Description

Definition at line 7 of file HGCalClusterTools.h.

Member Enumeration Documentation

EType

enum HGCalClusterTools::EType

strong

Enumerator
ET
ENERGY

Definition at line 9 of file HGCalClusterTools.h.

{ ET, ENERGY };

Member Function Documentation

emEnergyInCone()

static float HGCalClusterTools::emEnergyInCone ( const float  eta, const float  phi, const std::vector< reco::CaloCluster > &  layerClusters, const float  minDR, const float  maxDR, const float  minEt, const float  minEnergy, const HGCalClusterTools::EType &  eType = EType::ENERGY  )

inlinestatic

Definition at line 32 of file HGCalClusterTools.h.

                                                                                 {
    return energyInCone(eta, phi, layerClusters, minDR, maxDR, minEt, minEnergy, {DetId::HGCalEE}, eType);
  }

References energyInCone(), PVValHelper::eta, DetId::HGCalEE, HLTEgPhaseIITestSequence_cff::layerClusters, jets_cff::maxDR, HLT_FULL_cff::minDR, particleFlowClusterECALTimeSelected_cfi::minEnergy, EgHLTOffEleSelection_cfi::minEt, and phi.

Referenced by HLTHGCalLayerClusterIsolationProducer< T1 >::produce().

energyInCone()

float HGCalClusterTools::energyInCone ( const float  eta, const float  phi, const std::vector< reco::CaloCluster > &  layerClusters, const float  minDR, const float  maxDR, const float  minEt, const float  minEnergy, const std::vector< DetId::Detector > &  subDets, const HGCalClusterTools::EType &  eType = EType::ENERGY  )

static

Definition at line 7 of file HGCalClusterTools.cc.

                                                                           {
  float hadValue = 0.;
 
  const float minDR2 = minDR * minDR;
  const float maxDR2 = maxDR * maxDR;
 
  for (auto& clus : layerClusters) {
    if (clus.energy() < minEnergy) {
      continue;
    }
 
    if (std::find(subDets.begin(), subDets.end(), clus.seed().det()) == subDets.end()) {
      continue;
    }
 
    float clusEt = clus.energy() * std::sin(clus.position().theta());
    if (clusEt < minEt) {
      continue;
    }
 
    //this is a prefilter on the clusters before we calculuate
    //the expensive eta() of the cluster
    float dPhi = reco::deltaPhi(phi, clus.phi());
    if (dPhi > maxDR) {
      continue;
    }
 
    float dR2 = reco::deltaR2(eta, phi, clus.eta(), clus.phi());
    if (dR2 < minDR2 || dR2 > maxDR2) {
      continue;
    }
    switch (eType) {
      case EType::ET:
        hadValue += clusEt;
        break;
      case EType::ENERGY:
        hadValue += clus.energy();
        break;
    }
  }
  return hadValue;
}

References reco::deltaPhi(), reco::deltaR2(), HLT_FULL_cff::dPhi, ENERGY, ET, PVValHelper::eta, spr::find(), HLTEgPhaseIITestSequence_cff::layerClusters, jets_cff::maxDR, HLT_FULL_cff::minDR, particleFlowClusterECALTimeSelected_cfi::minEnergy, EgHLTOffEleSelection_cfi::minEt, phi, and funct::sin().

Referenced by emEnergyInCone(), and hadEnergyInCone().

hadEnergyInCone()

static float HGCalClusterTools::hadEnergyInCone ( const float  eta, const float  phi, const std::vector< reco::CaloCluster > &  layerClusters, const float  minDR, const float  maxDR, const float  minEt, const float  minEnergy, const HGCalClusterTools::EType &  eType = EType::ENERGY  )

inlinestatic

Definition at line 21 of file HGCalClusterTools.h.

                                                                                  {
    return energyInCone(
        eta, phi, layerClusters, minDR, maxDR, minEt, minEnergy, {DetId::HGCalHSi, DetId::HGCalHSc}, eType);
  }

References energyInCone(), PVValHelper::eta, DetId::HGCalHSc, DetId::HGCalHSi, HLTEgPhaseIITestSequence_cff::layerClusters, jets_cff::maxDR, HLT_FULL_cff::minDR, particleFlowClusterECALTimeSelected_cfi::minEnergy, EgHLTOffEleSelection_cfi::minEt, and phi.

Referenced by EgammaHLTHGCalIDVarProducer::produce(), and HLTHGCalLayerClusterIsolationProducer< T1 >::produce().