#include <IslandClusterAlgo.h>

Public Types
enum	EcalPart { barrel = 0, endcap = 1 }

typedef math::XYZPoint	Point
	point in the space More...

enum	VerbosityLevel { pDEBUG = 0, pWARNING = 1, pINFO = 2, pERROR = 3 }

Public Member Functions
	IslandClusterAlgo ()

	IslandClusterAlgo (double ebst, double ecst, const PositionCalc &posCalc, const std::vector< int > &v_chstatusSeed_Barrel, const std::vector< int > &v_chstatusSeed_Endcap, const std::vector< int > &v_chstatus_Barrel, const std::vector< int > &v_chstatus_Endcap, VerbosityLevel the_verbosity=pERROR)

std::vector< reco::BasicCluster >	makeClusters (const EcalRecHitCollection hits, const CaloSubdetectorGeometry geometry, const CaloSubdetectorTopology topology_p, const CaloSubdetectorGeometry geometryES_p, EcalPart ecalPart, bool regional=false, const std::vector< RectangularEtaPhiRegion > &regions=std::vector< RectangularEtaPhiRegion >())

void	setVerbosity (VerbosityLevel the_verbosity)

virtual	~IslandClusterAlgo ()

Private Member Functions
void	mainSearch (const EcalRecHitCollection hits, const CaloSubdetectorGeometry geometry_p, const CaloSubdetectorTopology topology_p, const CaloSubdetectorGeometry geometryES_p, EcalPart ecalPart)

void	makeCluster (const EcalRecHitCollection hits, const CaloSubdetectorGeometry geometry_p, const CaloSubdetectorGeometry *geometryES_p)

void	searchEast (const CaloNavigator< DetId > &navigator, const CaloSubdetectorTopology *topology)

void	searchNorth (const CaloNavigator< DetId > &navigator)

void	searchSouth (const CaloNavigator< DetId > &navigator)

void	searchWest (const CaloNavigator< DetId > &navigator, const CaloSubdetectorTopology *topology)

bool	shouldBeAdded (EcalRecHitCollection::const_iterator candidate_it, EcalRecHitCollection::const_iterator previous_it)

Private Attributes
std::vector< reco::BasicCluster >	clusters_v

std::vector< std::pair< DetId, float > >	current_v

double	ecalBarrelSeedThreshold

double	ecalEndcapSeedThreshold

PositionCalc	posCalculator_

const EcalRecHitCollection *	recHits_

std::vector< EcalRecHit >	seeds

std::set< DetId >	used_s

std::vector< int >	v_chstatus_

std::vector< int >	v_chstatus_Barrel_

std::vector< int >	v_chstatus_Endcap_

std::vector< int >	v_chstatusSeed_

std::vector< int >	v_chstatusSeed_Barrel_

std::vector< int >	v_chstatusSeed_Endcap_

VerbosityLevel	verbosity

Detailed Description

Definition at line 26 of file IslandClusterAlgo.h.

Member Typedef Documentation

◆ Point

typedef math::XYZPoint IslandClusterAlgo::Point

point in the space

Definition at line 66 of file IslandClusterAlgo.h.

Member Enumeration Documentation

◆ EcalPart

enum IslandClusterAlgo::EcalPart

Enumerator
barrel
endcap

Definition at line 28 of file IslandClusterAlgo.h.

28 { barrel = 0, endcap = 1 };

◆ VerbosityLevel

enum IslandClusterAlgo::VerbosityLevel

Enumerator
pDEBUG
pWARNING
pINFO
pERROR

Definition at line 29 of file IslandClusterAlgo.h.

29 { pDEBUG = 0, pWARNING = 1, pINFO = 2, pERROR = 3 };

Constructor & Destructor Documentation

◆ IslandClusterAlgo() [1/2]

IslandClusterAlgo::IslandClusterAlgo ( )

inline

Definition at line 31 of file IslandClusterAlgo.h.

31 {}

◆ IslandClusterAlgo() [2/2]

IslandClusterAlgo::IslandClusterAlgo	(	double	ebst,
		double	ecst,
		const PositionCalc &	posCalc,
		const std::vector< int > &	v_chstatusSeed_Barrel,
		const std::vector< int > &	v_chstatusSeed_Endcap,
		const std::vector< int > &	v_chstatus_Barrel,
		const std::vector< int > &	v_chstatus_Endcap,
		VerbosityLevel	the_verbosity = `pERROR`
	)

inline

Definition at line 33 of file IslandClusterAlgo.h.

       : ecalBarrelSeedThreshold(ebst),
         ecalEndcapSeedThreshold(ecst),
         v_chstatusSeed_Barrel_(v_chstatusSeed_Barrel),
         v_chstatusSeed_Endcap_(v_chstatusSeed_Endcap),
         v_chstatus_Barrel_(v_chstatus_Barrel),
         v_chstatus_Endcap_(v_chstatus_Endcap),
         verbosity(the_verbosity) {
     posCalculator_ = posCalc;
   }

References posCalculator_.

◆ ~IslandClusterAlgo()

virtual IslandClusterAlgo::~IslandClusterAlgo ( )

inlinevirtual

Definition at line 51 of file IslandClusterAlgo.h.

51 {}

Member Function Documentation

◆ mainSearch()

void IslandClusterAlgo::mainSearch	(	const EcalRecHitCollection *	hits,
		const CaloSubdetectorGeometry *	geometry_p,
		const CaloSubdetectorTopology *	topology_p,
		const CaloSubdetectorGeometry *	geometryES_p,
		EcalPart	ecalPart
	)

private

Definition at line 109 of file IslandClusterAlgo.cc.

                                                       {
   if (verbosity < pINFO) {
     std::cout << "Building clusters............" << std::endl;
   }
  
   // Loop over seeds:
   std::vector<EcalRecHit>::iterator it;
   for (it = seeds.begin(); it != seeds.end(); it++) {
     // make sure the current seed does not belong to a cluster already.
     if (used_s.find(it->id()) != used_s.end()) {
       if (it == seeds.begin()) {
         if (verbosity < pINFO) {
           std::cout << "##############################################################" << std::endl;
           std::cout << "DEBUG ALERT: Highest energy seed already belongs to a cluster!" << std::endl;
           std::cout << "##############################################################" << std::endl;
         }
       }
       continue;
     }
  
     // clear the vector of hits in current cluster
     current_v.clear();
  
     current_v.push_back(std::pair<DetId, float>(it->id(), 1.));  // by default hit energy fractions are set at 1.
     used_s.insert(it->id());
  
     // Create a navigator at the seed
     CaloNavigator<DetId> navigator(it->id(), topology_p);
  
     searchNorth(navigator);
     navigator.home();
     searchSouth(navigator);
     navigator.home();
     searchWest(navigator, topology_p);
     navigator.home();
     searchEast(navigator, topology_p);
  
     makeCluster(hits, geometry_p, geometryES_p);
   }
 }

References gather_cfg::cout, current_v, hfClusterShapes_cfi::hits, makeCluster(), HLT_FULL_cff::navigator, pINFO, searchEast(), searchNorth(), searchSouth(), searchWest(), seeds, used_s, and verbosity.

Referenced by makeClusters().

◆ makeCluster()

void IslandClusterAlgo::makeCluster	(	const EcalRecHitCollection *	hits,
		const CaloSubdetectorGeometry *	geometry_p,
		const CaloSubdetectorGeometry *	geometryES_p
	)

private

Definition at line 253 of file IslandClusterAlgo.cc.

                                                                                {
   double energy = 0;
   reco::CaloID caloID;
  
   Point position;
   position = posCalculator_.Calculate_Location(current_v, hits, geometry, geometryES);
  
   std::vector<std::pair<DetId, float> >::iterator it;
   for (it = current_v.begin(); it != current_v.end(); it++) {
     EcalRecHitCollection::const_iterator itt = hits->find((*it).first);
     EcalRecHit hit_p = *itt;
     if ((*it).first.subdetId() == EcalBarrel) {
       caloID = reco::CaloID::DET_ECAL_BARREL;
     } else {
       caloID = reco::CaloID::DET_ECAL_ENDCAP;
     }
     //      if (hit_p != 0)
     //  {
     energy += hit_p.energy();
     //  }
     //      else
     //  {
     //    std::cout << "DEBUG ALERT: Requested rechit has gone missing from rechits map! :-S" << std::endl;
     //  }
   }
  
   if (verbosity < pINFO) {
     std::cout << "******** NEW CLUSTER ********" << std::endl;
     std::cout << "No. of crystals = " << current_v.size() << std::endl;
     std::cout << "     Energy     = " << energy << std::endl;
     std::cout << "     Phi        = " << position.phi() << std::endl;
     std::cout << "     Eta        = " << position.eta() << std::endl;
     std::cout << "*****************************" << std::endl;
   }
   clusters_v.push_back(reco::BasicCluster(energy, position, caloID, current_v, reco::CaloCluster::island));
 }

References PositionCalc::Calculate_Location(), clusters_v, gather_cfg::cout, current_v, reco::CaloID::DET_ECAL_BARREL, reco::CaloID::DET_ECAL_ENDCAP, EcalBarrel, HCALHighEnergyHPDFilter_cfi::energy, EcalRecHit::energy(), hfClusterShapes_cfi::hits, reco::CaloCluster::island, pINFO, posCalculator_, position, and verbosity.

Referenced by mainSearch().

◆ makeClusters()

std::vector< reco::BasicCluster > IslandClusterAlgo::makeClusters	(	const EcalRecHitCollection *	hits,
		const CaloSubdetectorGeometry *	geometry,
		const CaloSubdetectorTopology *	topology_p,
		const CaloSubdetectorGeometry *	geometryES_p,
		EcalPart	ecalPart,
		bool	regional = `false`,
		const std::vector< RectangularEtaPhiRegion > &	regions = `std::vector<RectangularEtaPhiRegion>()`
	)

Definition at line 17 of file IslandClusterAlgo.cc.

                                                                                                                    {
   seeds.clear();
   used_s.clear();
   clusters_v.clear();
  
   recHits_ = hits;
  
   double threshold = 0;
   std::string ecalPart_string;
   if (ecalPart == endcap) {
     threshold = ecalEndcapSeedThreshold;
     ecalPart_string = "EndCap";
     v_chstatusSeed_ = v_chstatusSeed_Endcap_;
     v_chstatus_ = v_chstatus_Endcap_;
   }
   if (ecalPart == barrel) {
     threshold = ecalBarrelSeedThreshold;
     ecalPart_string = "Barrel";
     v_chstatusSeed_ = v_chstatusSeed_Barrel_;
     v_chstatus_ = v_chstatus_Barrel_;
   }
  
   if (verbosity < pINFO) {
     std::cout << "-------------------------------------------------------------" << std::endl;
     std::cout << "Island algorithm invoked for ECAL" << ecalPart_string << std::endl;
     std::cout << "Looking for seeds, energy threshold used = " << threshold << " GeV" << std::endl;
   }
  
   int nregions = 0;
   if (regional)
     nregions = regions.size();
  
   if (!regional || nregions) {
     EcalRecHitCollection::const_iterator it;
     for (it = hits->begin(); it != hits->end(); it++) {
       double energy = it->energy();
       if (energy < threshold)
         continue;  // need to check to see if this line is useful!
  
       // avoid seeding for anomalous channels
       if (!it->checkFlag(EcalRecHit::kGood)) {  // if rechit is good, no need for further checks
         if (it->checkFlags(v_chstatus_) || it->checkFlags(v_chstatusSeed_)) {
           continue;  // the recHit has to be excluded from seeding
         }
       }
  
       auto thisCell = geometry_p->getGeometry(it->id());
       auto const &position = thisCell->getPosition();
  
       // Require that RecHit is within clustering region in case
       // of regional reconstruction
       bool withinRegion = false;
       if (regional) {
         std::vector<RectangularEtaPhiRegion>::const_iterator region;
         for (region = regions.begin(); region != regions.end(); region++) {
           if (region->inRegion(thisCell->etaPos(), thisCell->phiPos())) {
             withinRegion = true;
             break;
           }
         }
       }
  
       if (!regional || withinRegion) {
         float ET = it->energy() * position.basicVector().unit().perp();
         if (ET > threshold)
           seeds.push_back(*it);
       }
     }
   }
  
   sort(seeds.begin(), seeds.end(), [](auto const &x, auto const &y) { return x.energy() > y.energy(); });
  
   if (verbosity < pINFO) {
     std::cout << "Total number of seeds found in event = " << seeds.size() << std::endl;
   }
  
   mainSearch(hits, geometry_p, topology_p, geometryES_p, ecalPart);
   sort(clusters_v.rbegin(), clusters_v.rend(), isClusterEtLess);
  
   if (verbosity < pINFO) {
     std::cout << "---------- end of main search. clusters have been sorted ----" << std::endl;
   }
  
   return clusters_v;
 }

References barrel, clusters_v, gather_cfg::cout, ecalBarrelSeedThreshold, ecalEndcapSeedThreshold, endcap, HCALHighEnergyHPDFilter_cfi::energy, ET, CaloSubdetectorGeometry::getGeometry(), hfClusterShapes_cfi::hits, isClusterEtLess(), EcalRecHit::kGood, mainSearch(), pINFO, position, recHits_, HLT_FULL_cff::region, seeds, jetUpdater_cfi::sort, AlCaHLTBitMon_QueryRunRegistry::string, remoteMonitoring_LED_IterMethod_cfg::threshold, used_s, v_chstatus_, v_chstatus_Barrel_, v_chstatus_Endcap_, v_chstatusSeed_, v_chstatusSeed_Barrel_, v_chstatusSeed_Endcap_, verbosity, x, and y.

Referenced by IslandClusterProducer::clusterizeECALPart(), and Pi0FixedMassWindowCalibration::duringLoop().

◆ searchEast()

void IslandClusterAlgo::searchEast	(	const CaloNavigator< DetId > &	navigator,
		const CaloSubdetectorTopology *	topology
	)

private

Definition at line 216 of file IslandClusterAlgo.cc.

                                                                                                                  {
   DetId western = navigator.pos();
   EcalRecHitCollection::const_iterator western_it = recHits_->find(western);
  
   DetId eastern = navigator.east();
   if (eastern == DetId(0))
     return;  // This means that we went off the ECAL!
   EcalRecHitCollection::const_iterator eastern_it = recHits_->find(eastern);
  
   if (shouldBeAdded(eastern_it, western_it)) {
     CaloNavigator<DetId> nsNavigator(eastern, topology);
  
     searchNorth(nsNavigator);
     nsNavigator.home();
     searchSouth(nsNavigator);
     nsNavigator.home();
     searchEast(navigator, topology);
  
     current_v.push_back(std::pair<DetId, float>(eastern, 1.));  // by default hit energy fractions are set at 1.
     used_s.insert(eastern);
   }
 }

References current_v, edm::SortedCollection< T, SORT >::find(), CaloNavigator< T, TOPO >::home(), HLT_FULL_cff::navigator, recHits_, searchNorth(), searchSouth(), shouldBeAdded(), and used_s.

Referenced by mainSearch().

◆ searchNorth()

void IslandClusterAlgo::searchNorth ( const CaloNavigator< DetId > & navigator )

private

Definition at line 154 of file IslandClusterAlgo.cc.

                                                                          {
   DetId southern = navigator.pos();
  
   DetId northern = navigator.north();
   if (northern == DetId(0))
     return;  // This means that we went off the ECAL!
   // if the crystal to the north belongs to another cluster return
   if (used_s.find(northern) != used_s.end())
     return;
  
   EcalRecHitCollection::const_iterator southern_it = recHits_->find(southern);
   EcalRecHitCollection::const_iterator northern_it = recHits_->find(northern);
  
   if (shouldBeAdded(northern_it, southern_it)) {
     current_v.push_back(std::pair<DetId, float>(northern, 1.));  // by default hit energy fractions are set at 1.
     used_s.insert(northern);
     searchNorth(navigator);
   }
 }

References current_v, edm::SortedCollection< T, SORT >::find(), HLT_FULL_cff::navigator, recHits_, shouldBeAdded(), and used_s.

Referenced by mainSearch(), searchEast(), and searchWest().

◆ searchSouth()

void IslandClusterAlgo::searchSouth ( const CaloNavigator< DetId > & navigator )

private

Definition at line 174 of file IslandClusterAlgo.cc.

                                                                          {
   DetId northern = navigator.pos();
  
   DetId southern = navigator.south();
   if (southern == DetId(0))
     return;  // This means that we went off the ECAL!
   if (used_s.find(southern) != used_s.end())
     return;
  
   EcalRecHitCollection::const_iterator northern_it = recHits_->find(northern);
   EcalRecHitCollection::const_iterator southern_it = recHits_->find(southern);
  
   if (shouldBeAdded(southern_it, northern_it)) {
     current_v.push_back(std::pair<DetId, float>(southern, 1.));  // by default hit energy fractions are set at 1.
     used_s.insert(southern);
     searchSouth(navigator);
   }
 }

References current_v, edm::SortedCollection< T, SORT >::find(), HLT_FULL_cff::navigator, recHits_, shouldBeAdded(), and used_s.

Referenced by mainSearch(), searchEast(), and searchWest().

◆ searchWest()

void IslandClusterAlgo::searchWest	(	const CaloNavigator< DetId > &	navigator,
		const CaloSubdetectorTopology *	topology
	)

private

Definition at line 193 of file IslandClusterAlgo.cc.

                                                                                                                  {
   DetId eastern = navigator.pos();
   EcalRecHitCollection::const_iterator eastern_it = recHits_->find(eastern);
  
   DetId western = navigator.west();
   if (western == DetId(0))
     return;  // This means that we went off the ECAL!
   EcalRecHitCollection::const_iterator western_it = recHits_->find(western);
  
   if (shouldBeAdded(western_it, eastern_it)) {
     CaloNavigator<DetId> nsNavigator(western, topology);
  
     searchNorth(nsNavigator);
     nsNavigator.home();
     searchSouth(nsNavigator);
     nsNavigator.home();
     searchWest(navigator, topology);
  
     current_v.push_back(std::pair<DetId, float>(western, 1.));  // by default hit energy fractions are set at 1.
     used_s.insert(western);
   }
 }

References current_v, edm::SortedCollection< T, SORT >::find(), CaloNavigator< T, TOPO >::home(), HLT_FULL_cff::navigator, recHits_, searchNorth(), searchSouth(), shouldBeAdded(), and used_s.

Referenced by mainSearch().

◆ setVerbosity()

void IslandClusterAlgo::setVerbosity ( VerbosityLevel the_verbosity )

inline

Definition at line 53 of file IslandClusterAlgo.h.

53 { verbosity = the_verbosity; }

References verbosity.

◆ shouldBeAdded()

bool IslandClusterAlgo::shouldBeAdded	(	EcalRecHitCollection::const_iterator	candidate_it,
		EcalRecHitCollection::const_iterator	previous_it
	)

private

Definition at line 240 of file IslandClusterAlgo.cc.

                                                                                       {
   // crystal should not be included...
   if ((candidate_it == recHits_->end()) ||                  // ...if it does not correspond to a hit
       (used_s.find(candidate_it->id()) != used_s.end()) ||  // ...if it already belongs to a cluster
       (candidate_it->energy() <= 0) ||                      // ...if it has a negative or zero energy
       (candidate_it->energy() > previous_it->energy()) ||   // ...or if the previous crystal had lower E
       (!(candidate_it->checkFlag(EcalRecHit::kGood)) && candidate_it->checkFlags(v_chstatus_))) {
     return false;
   }
   return true;
 }

References edm::SortedCollection< T, SORT >::end(), EcalRecHit::kGood, recHits_, used_s, and v_chstatus_.

Referenced by searchEast(), searchNorth(), searchSouth(), and searchWest().

Member Data Documentation

◆ clusters_v

std::vector<reco::BasicCluster> IslandClusterAlgo::clusters_v

private

Definition at line 89 of file IslandClusterAlgo.h.

Referenced by makeCluster(), and makeClusters().

◆ current_v

std::vector<std::pair<DetId, float> > IslandClusterAlgo::current_v

private

Definition at line 86 of file IslandClusterAlgo.h.

Referenced by mainSearch(), makeCluster(), searchEast(), searchNorth(), searchSouth(), and searchWest().

◆ ecalBarrelSeedThreshold

double IslandClusterAlgo::ecalBarrelSeedThreshold

private

Definition at line 73 of file IslandClusterAlgo.h.

Referenced by makeClusters().

◆ ecalEndcapSeedThreshold

double IslandClusterAlgo::ecalEndcapSeedThreshold

private

Definition at line 74 of file IslandClusterAlgo.h.

Referenced by makeClusters().

◆ posCalculator_

PositionCalc IslandClusterAlgo::posCalculator_

private

Definition at line 70 of file IslandClusterAlgo.h.

Referenced by IslandClusterAlgo(), and makeCluster().

◆ recHits_

const EcalRecHitCollection* IslandClusterAlgo::recHits_

private

Definition at line 77 of file IslandClusterAlgo.h.

Referenced by makeClusters(), searchEast(), searchNorth(), searchSouth(), searchWest(), and shouldBeAdded().

◆ seeds

std::vector<EcalRecHit> IslandClusterAlgo::seeds

private

Definition at line 80 of file IslandClusterAlgo.h.

Referenced by mainSearch(), and makeClusters().

◆ used_s

std::set<DetId> IslandClusterAlgo::used_s

private

Definition at line 83 of file IslandClusterAlgo.h.

Referenced by mainSearch(), makeClusters(), searchEast(), searchNorth(), searchSouth(), searchWest(), and shouldBeAdded().

◆ v_chstatus_

std::vector<int> IslandClusterAlgo::v_chstatus_

private

Definition at line 100 of file IslandClusterAlgo.h.

Referenced by makeClusters(), and shouldBeAdded().

◆ v_chstatus_Barrel_

std::vector<int> IslandClusterAlgo::v_chstatus_Barrel_

private

Definition at line 96 of file IslandClusterAlgo.h.

Referenced by makeClusters().

◆ v_chstatus_Endcap_

std::vector<int> IslandClusterAlgo::v_chstatus_Endcap_

private

Definition at line 97 of file IslandClusterAlgo.h.

Referenced by makeClusters().

◆ v_chstatusSeed_

std::vector<int> IslandClusterAlgo::v_chstatusSeed_

private

Definition at line 99 of file IslandClusterAlgo.h.

Referenced by makeClusters().

◆ v_chstatusSeed_Barrel_

std::vector<int> IslandClusterAlgo::v_chstatusSeed_Barrel_

private

Definition at line 92 of file IslandClusterAlgo.h.

Referenced by makeClusters().

◆ v_chstatusSeed_Endcap_

std::vector<int> IslandClusterAlgo::v_chstatusSeed_Endcap_

private

Definition at line 93 of file IslandClusterAlgo.h.

Referenced by makeClusters().

◆ verbosity

VerbosityLevel IslandClusterAlgo::verbosity

private

Definition at line 103 of file IslandClusterAlgo.h.

Referenced by mainSearch(), makeCluster(), makeClusters(), and setVerbosity().

Public Types

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ Point

Member Enumeration Documentation

◆ EcalPart

◆ VerbosityLevel

Constructor & Destructor Documentation

◆ IslandClusterAlgo() [1/2]

◆ IslandClusterAlgo() [2/2]

◆ ~IslandClusterAlgo()

Member Function Documentation

◆ mainSearch()

◆ makeCluster()

◆ makeClusters()

◆ searchEast()

◆ searchNorth()

◆ searchSouth()

◆ searchWest()

◆ setVerbosity()

◆ shouldBeAdded()

Member Data Documentation

◆ clusters_v

◆ current_v

◆ ecalBarrelSeedThreshold

◆ ecalEndcapSeedThreshold

◆ posCalculator_

◆ recHits_

◆ seeds

◆ used_s

◆ v_chstatus_

◆ v_chstatus_Barrel_

◆ v_chstatus_Endcap_

◆ v_chstatusSeed_

◆ v_chstatusSeed_Barrel_

◆ v_chstatusSeed_Endcap_

◆ verbosity