Inheritance diagram for reco::tau::RecoTauPiZeroStripPlugin:

Public Member Functions
virtual void	beginEvent ()
	Hook called at the beginning of the event. More...

return_type	operator() (const reco::PFJet &jet) const
	Build a collection of piZeros from objects in the input jet. More...

	RecoTauPiZeroStripPlugin (const edm::ParameterSet &pset)

virtual	~RecoTauPiZeroStripPlugin ()

Public Member Functions inherited from reco::tau::RecoTauPiZeroBuilderPlugin
	RecoTauPiZeroBuilderPlugin (const edm::ParameterSet &pset)

virtual	~RecoTauPiZeroBuilderPlugin ()

Public Member Functions inherited from reco::tau::RecoTauEventHolderPlugin
const edm::Event *	evt () const

const edm::EventSetup *	evtSetup () const

	RecoTauEventHolderPlugin (const edm::ParameterSet &pset)

void	setup (const edm::Event &, const edm::EventSetup &)

virtual	~RecoTauEventHolderPlugin ()

Public Member Functions inherited from reco::tau::RecoTauNamedPlugin
const std::string &	name () const

	RecoTauNamedPlugin (const edm::ParameterSet &pset)

virtual	~RecoTauNamedPlugin ()

Private Attributes
double	etaAssociationDistance_

std::vector< int >	inputPdgIds_

AddFourMomenta	p4Builder_

double	phiAssociationDistance_

edm::InputTag	pvSrc_

RecoTauQualityCuts	qcuts_

Additional Inherited Members
Public Types inherited from reco::tau::RecoTauPiZeroBuilderPlugin
typedef boost::ptr_vector < RecoTauPiZero >	PiZeroVector

typedef std::auto_ptr < PiZeroVector >	return_type

Detailed Description

Definition at line 32 of file RecoTauPiZeroStripPlugin.cc.

Constructor & Destructor Documentation

reco::tau::RecoTauPiZeroStripPlugin::RecoTauPiZeroStripPlugin ( const edm::ParameterSet & pset )

explicit

Definition at line 53 of file RecoTauPiZeroStripPlugin.cc.

References etaAssociationDistance_, edm::ParameterSet::getParameter(), inputPdgIds_, phiAssociationDistance_, and pvSrc_.

                                 :RecoTauPiZeroBuilderPlugin(pset),
     qcuts_(pset.getParameter<edm::ParameterSet>("qualityCuts"))
 {
   pvSrc_ = pset.getParameter<edm::InputTag>("primaryVertexSrc");
   inputPdgIds_ = pset.getParameter<std::vector<int> >(
       "stripCandidatesParticleIds");
   etaAssociationDistance_ = pset.getParameter<double>(
       "stripEtaAssociationDistance");
   phiAssociationDistance_ = pset.getParameter<double>(
       "stripPhiAssociationDistance");
 }

virtual reco::tau::RecoTauPiZeroStripPlugin::~RecoTauPiZeroStripPlugin ( )

inlinevirtual

Definition at line 35 of file RecoTauPiZeroStripPlugin.cc.

35 {}

Member Function Documentation

void reco::tau::RecoTauPiZeroStripPlugin::beginEvent ( )

virtual

Hook called at the beginning of the event.

Reimplemented from reco::tau::RecoTauPiZeroBuilderPlugin.

Definition at line 67 of file RecoTauPiZeroStripPlugin.cc.

References reco::tau::RecoTauEventHolderPlugin::evt(), edm::Event::getByLabel(), pvSrc_, qcuts_, and reco::tau::RecoTauQualityCuts::setPV().

                                           {
   edm::Handle<reco::VertexCollection> pvHandle;
   evt()->getByLabel(pvSrc_, pvHandle);
   if (pvHandle->size()) {
     qcuts_.setPV(reco::VertexRef(pvHandle, 0));
   }
 }

RecoTauPiZeroStripPlugin::return_type reco::tau::RecoTauPiZeroStripPlugin::operator() ( const reco::PFJet & ) const

virtual

Build a collection of piZeros from objects in the input jet.

Implements reco::tau::RecoTauPiZeroBuilderPlugin.

Definition at line 75 of file RecoTauPiZeroStripPlugin.cc.

References reco::deltaPhi(), etaAssociationDistance_, reco::tau::RecoTauQualityCuts::filterRefs(), reco::RecoTauPiZero::kStrips, convertSQLitetoXML_cfg::output, p4Builder_, reco::tau::pfGammas(), phiAssociationDistance_, qcuts_, AddFourMomenta::set(), and strip().

                                 {
   // Get list of gamma candidates
   typedef std::vector<reco::PFCandidatePtr> PFCandPtrs;
   typedef PFCandPtrs::iterator PFCandIter;
   PiZeroVector output;
 
   // Get the candidates passing our quality cuts
   //PFCandPtrs candsVector = qcuts_.filterRefs(pfCandidates(jet, inputPdgIds_));
   PFCandPtrs candsVector = qcuts_.filterRefs(pfGammas(jet));
 
   // Convert to stl::list to allow fast deletions
   typedef std::list<reco::PFCandidatePtr> PFCandPtrList;
   typedef std::list<reco::PFCandidatePtr>::iterator PFCandPtrListIter;
   PFCandPtrList cands;
   cands.insert(cands.end(), candsVector.begin(), candsVector.end());
 
   while (cands.size() > 0) {
     // Seed this new strip, and delete it from future strips
     PFCandidatePtr seed = cands.front();
     cands.pop_front();
 
     // Add a new candidate to our collection using this seed
     std::auto_ptr<RecoTauPiZero> strip(new RecoTauPiZero(
             *seed, RecoTauPiZero::kStrips));
     strip->addDaughter(seed);
 
     // Find all other objects in the strip
     PFCandPtrListIter stripCand = cands.begin();
     while(stripCand != cands.end()) {
       if( fabs(strip->eta() - (*stripCand)->eta()) < etaAssociationDistance_
           && fabs(deltaPhi(*strip, **stripCand)) < phiAssociationDistance_ ) {
         // Add candidate to strip
         strip->addDaughter(*stripCand);
         // Update the strips four momenta
         p4Builder_.set(*strip);
         // Delete this candidate from future strips and move on to
         // the next potential candidate
         stripCand = cands.erase(stripCand);
       } else {
         // This candidate isn't compatabile - just move to the next candidate
         ++stripCand;
       }
     }
     output.push_back(strip);
   }
   return output.release();
 }