#include <Multi5x5BremRecoveryClusterAlgo.h>

Public Member Functions
reco::SuperClusterCollection	makeSuperClusters (const reco::CaloClusterPtrVector &clusters)

	Multi5x5BremRecoveryClusterAlgo (const edm::ParameterSet &bremRecoveryPset, double eb_sc_road_etasize=0.06, double eb_sc_road_phisize=0.80, double ec_sc_road_etasize=0.14, double ec_sc_road_phisize=0.40, bool dynamicPhiRoad=true, double theSeedTransverseEnergyThreshold=0.40)

	~Multi5x5BremRecoveryClusterAlgo ()

Private Member Functions
void	makeIslandSuperClusters (reco::CaloClusterPtrVector &clusters_v, double etaRoad, double phiRoad)

Private Attributes
bool	dynamicPhiRoad_

double	eb_rdeta_

double	eb_rdphi_

double	ec_rdeta_

double	ec_rdphi_

BremRecoveryPhiRoadAlgo *	phiRoadAlgo_

double	seedTransverseEnergyThreshold

reco::SuperClusterCollection	superclusters_v

Detailed Description

Definition at line 23 of file Multi5x5BremRecoveryClusterAlgo.h.

Constructor & Destructor Documentation

◆ Multi5x5BremRecoveryClusterAlgo()

Multi5x5BremRecoveryClusterAlgo::Multi5x5BremRecoveryClusterAlgo	(	const edm::ParameterSet &	bremRecoveryPset,
		double	eb_sc_road_etasize = `0.06`,
		double	eb_sc_road_phisize = `0.80`,
		double	ec_sc_road_etasize = `0.14`,
		double	ec_sc_road_phisize = `0.40`,
		bool	dynamicPhiRoad = `true`,
		double	theSeedTransverseEnergyThreshold = `0.40`
	)

inline

Definition at line 25 of file Multi5x5BremRecoveryClusterAlgo.h.

                                                                                   {
     // e*_rdeta_ and e*_rdphi_ are half the total window
     // because they correspond to one direction (positive or negative)
     eb_rdeta_ = eb_sc_road_etasize / 2;
     eb_rdphi_ = eb_sc_road_phisize / 2;
     ec_rdeta_ = ec_sc_road_etasize / 2;
     ec_rdphi_ = ec_sc_road_phisize / 2;
  
     seedTransverseEnergyThreshold = theSeedTransverseEnergyThreshold;
     dynamicPhiRoad_ = dynamicPhiRoad;
     if (dynamicPhiRoad_)
       phiRoadAlgo_ = new BremRecoveryPhiRoadAlgo(bremRecoveryPset);
   }

References cosmicSuperClusters_cfi::bremRecoveryPset, cosmicSuperClusters_cfi::dynamicPhiRoad, dynamicPhiRoad_, eb_rdeta_, eb_rdphi_, ec_rdeta_, ec_rdphi_, phiRoadAlgo_, and seedTransverseEnergyThreshold.

◆ ~Multi5x5BremRecoveryClusterAlgo()

Multi5x5BremRecoveryClusterAlgo::~Multi5x5BremRecoveryClusterAlgo ( )

inline

Definition at line 46 of file Multi5x5BremRecoveryClusterAlgo.h.

                                      {
     if (dynamicPhiRoad_)
       delete phiRoadAlgo_;
   }

References dynamicPhiRoad_, and phiRoadAlgo_.

Member Function Documentation

◆ makeIslandSuperClusters()

void Multi5x5BremRecoveryClusterAlgo::makeIslandSuperClusters	(	reco::CaloClusterPtrVector &	clusters_v,
		double	etaRoad,
		double	phiRoad
	)

private

Definition at line 35 of file Multi5x5BremRecoveryClusterAlgo.cc.

                                                                               {
   if (clusters_v.empty())
     return;
  
   const auto clustersSize = clusters_v.size();
   assert(clustersSize > 0);
  
   bool usedSeed[clustersSize];
   for (auto ic = 0U; ic < clustersSize; ++ic)
     usedSeed[ic] = false;
  
   float eta[clustersSize], phi[clustersSize], et[clustersSize];
   for (auto ic = 0U; ic < clustersSize; ++ic) {
     eta[ic] = clusters_v[ic]->eta();
     phi[ic] = clusters_v[ic]->phi();
     et[ic] = clusters_v[ic]->energy() * sin(clusters_v[ic]->position().theta());
   }
  
   for (auto is = 0U; is < clustersSize; ++is) {
     // check this seed was not already used
     if (usedSeed[is])
       continue;
     auto const& currentSeed = clusters_v[is];
  
     // Does our highest energy cluster have high enough energy?
     // changed this to continue from break (to be robust against the order of sorting of the seed clusters)
     if (et[is] < seedTransverseEnergyThreshold)
       continue;
  
     // if yes, make it a seed for a new SuperCluster:
     double energy = (currentSeed)->energy();
     math::XYZVector position_(
         (currentSeed)->position().X(), (currentSeed)->position().Y(), (currentSeed)->position().Z());
     position_ *= energy;
     usedSeed[is] = true;
  
     LogTrace("EcalClusters") << "*****************************";
     LogTrace("EcalClusters") << "******NEW SUPERCLUSTER*******";
     LogTrace("EcalClusters") << "Seed R = " << (currentSeed)->position().Rho();
  
     reco::CaloClusterPtrVector constituentClusters;
     constituentClusters.push_back(currentSeed);
     auto ic = is + 1;
  
     while (ic < clustersSize) {
       auto const& currentCluster = clusters_v[ic];
  
       // if dynamic phi road is enabled then compute the phi road for a cluster
       // of energy of existing clusters + the candidate cluster.
       if (dynamicPhiRoad_)
         phiRoad = phiRoadAlgo_->endcapPhiRoad(energy + (currentCluster)->energy());
  
       auto dphi = [](float p1, float p2) {
         auto dp = std::abs(p1 - p2);
         if (dp > float(M_PI))
           dp -= float(2 * M_PI);
         return std::abs(dp);
       };
  
       auto match = [&](int i, int j) {
         return (dphi(phi[i], phi[j]) < phiRoad) & (std::abs(eta[i] - eta[j]) < etaRoad);
       };
  
       // does the cluster match the phi road for this candidate supercluster
       if (!usedSeed[ic] && match(is, ic)) {
         // add basic cluster to supercluster constituents
         constituentClusters.push_back(currentCluster);
         energy += (currentCluster)->energy();
         position_ += (currentCluster)->energy() * math::XYZVector((currentCluster)->position().X(),
                                                                   (currentCluster)->position().Y(),
                                                                   (currentCluster)->position().Z());
         // remove cluster from vector of available clusters
         usedSeed[ic] = true;
         LogTrace("EcalClusters") << "Cluster R = " << (currentCluster)->position().Rho();
       }
       ++ic;
     }
  
     position_ /= energy;
  
     LogTrace("EcalClusters") << "Final SuperCluster R = " << position_.Rho();
  
     reco::SuperCluster newSuperCluster(
         energy, math::XYZPoint(position_.X(), position_.Y(), position_.Z()), currentSeed, constituentClusters);
  
     superclusters_v.push_back(newSuperCluster);
     LogTrace("EcalClusters") << "created a new supercluster of: ";
     LogTrace("EcalClusters") << "Energy = " << newSuperCluster.energy();
     LogTrace("EcalClusters") << "Position in (R, phi, theta) = (" << newSuperCluster.position().Rho() << ", "
                              << newSuperCluster.position().phi() << ", " << newSuperCluster.position().theta() << ")";
   }
  
   clusters_v.clear();
 }

References funct::abs(), cms::cuda::assert(), edm::PtrVectorBase::clear(), Calorimetry_cff::dp, dynamicPhiRoad_, edm::PtrVectorBase::empty(), BremRecoveryPhiRoadAlgo::endcapPhiRoad(), HCALHighEnergyHPDFilter_cfi::energy, reco::CaloCluster::energy(), EgHLTOffHistBins_cfi::et, PVValHelper::eta, dqmMemoryStats::float, mps_fire::i, dqmiolumiharvest::j, LogTrace, M_PI, match(), p1, p2, phi, phiRoadAlgo_, reco::CaloCluster::position(), position, edm::PtrVector< T >::push_back(), seedTransverseEnergyThreshold, funct::sin(), edm::PtrVectorBase::size(), superclusters_v, theta(), mitigatedMETSequence_cff::U, X, BeamSpotPI::Y, and BeamSpotPI::Z.

Referenced by makeSuperClusters().

◆ makeSuperClusters()

reco::SuperClusterCollection Multi5x5BremRecoveryClusterAlgo::makeSuperClusters ( const reco::CaloClusterPtrVector & clusters )

Definition at line 5 of file Multi5x5BremRecoveryClusterAlgo.cc.

                                                         {
   const float etaBorder = 1.479;
   superclusters_v.clear();
  
   // create vectors of references to clusters of a specific origin...
   reco::CaloClusterPtrVector islandClustersBarrel_v;
   reco::CaloClusterPtrVector islandClustersEndCap_v;
  
   // ...and populate them:
   for (auto const& cluster_p : clustersCollection) {
     if (cluster_p->algo() == reco::CaloCluster::multi5x5) {
       if (fabs(cluster_p->position().eta()) < etaBorder) {
         islandClustersBarrel_v.push_back(cluster_p);
       } else {
         islandClustersEndCap_v.push_back(cluster_p);
       }
     }
   }
  
   // make the superclusters from the Barrel clusters - Island
   makeIslandSuperClusters(islandClustersBarrel_v, eb_rdeta_, eb_rdphi_);
   // make the superclusters from the EndCap clusters - Island
   makeIslandSuperClusters(islandClustersEndCap_v, ec_rdeta_, ec_rdphi_);
  
   return superclusters_v;
 }