#include "PhysicsTools/PatAlgos/interface/PATPFParticleProducer.h"

Inheritance diagram for pat::PATPFParticleProducer:

Public Member Functions
	PATPFParticleProducer (const edm::ParameterSet &iConfig)

virtual void	produce (edm::Event &iEvent, const edm::EventSetup &iSetup)

	~PATPFParticleProducer ()

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

virtual	~EDProducer ()

Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...

virtual	~ProducerBase ()

Private Member Functions
void	fetchCandidateCollection (edm::Handle< edm::View< reco::PFCandidate > > &c, const edm::InputTag &tag, const edm::Event &iSetup) const

Private Attributes
bool	addEfficiencies_

bool	addGenMatch_

bool	addResolutions_

pat::helper::EfficiencyLoader	efficiencyLoader_

bool	embedGenMatch_

bool	embedPFCandidate_

std::vector< edm::InputTag >	genMatchSrc_

edm::InputTag	pfCandidateSrc_

GreaterByPt< PFParticle >	pTComparator_

pat::helper::KinResolutionsLoader	resolutionLoader_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

typedef WorkerT< EDProducer >	WorkerType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const

Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Produces pat::PFParticle's.

The PATPFParticleProducer produces analysis-level pat::PFParticle's starting from a collection of objects of reco::PFCandidate.

Author: Steven Lowette, Roger Wolf

Version

Id:: PATPFParticleProducer.h,v 1.7 2010/02/20 21:00:26 wmtan Exp

Definition at line 41 of file PATPFParticleProducer.h.

Constructor & Destructor Documentation

PATPFParticleProducer::PATPFParticleProducer ( const edm::ParameterSet & iConfig )

explicit

Definition at line 26 of file PATPFParticleProducer.cc.

References addEfficiencies_, addGenMatch_, addResolutions_, efficiencyLoader_, embedGenMatch_, edm::ParameterSet::existsAs(), genMatchSrc_, edm::ParameterSet::getParameter(), pfCandidateSrc_, and resolutionLoader_.

                                                                             {
   // general configurables
   pfCandidateSrc_ = iConfig.getParameter<edm::InputTag>( "pfCandidateSource" );
  
   // MC matching configurables
   addGenMatch_   = iConfig.getParameter<bool>         ( "addGenMatch" );
   if (addGenMatch_) {
       embedGenMatch_ = iConfig.getParameter<bool>         ( "embedGenMatch" );
       if (iConfig.existsAs<edm::InputTag>("genParticleMatch")) {
           genMatchSrc_.push_back(iConfig.getParameter<edm::InputTag>( "genParticleMatch" ));
       } else {
           genMatchSrc_ = iConfig.getParameter<std::vector<edm::InputTag> >( "genParticleMatch" );
       }
   }
 
   // Efficiency configurables
   addEfficiencies_ = iConfig.getParameter<bool>("addEfficiencies");
   if (addEfficiencies_) {
      efficiencyLoader_ = pat::helper::EfficiencyLoader(iConfig.getParameter<edm::ParameterSet>("efficiencies"));
   }
 
   // Resolution configurables
   addResolutions_ = iConfig.getParameter<bool>("addResolutions");
   if (addResolutions_) {
      resolutionLoader_ = pat::helper::KinResolutionsLoader(iConfig.getParameter<edm::ParameterSet>("resolutions"));
   }
 
 
 
   // produces vector of muons
   produces<std::vector<PFParticle> >();
 
 }

PATPFParticleProducer::~PATPFParticleProducer ( )

Definition at line 61 of file PATPFParticleProducer.cc.

61 {

62 }

Member Function Documentation

void PATPFParticleProducer::fetchCandidateCollection	(	edm::Handle< edm::View< reco::PFCandidate > > &	c,
		const edm::InputTag &	tag,
		const edm::Event &	iSetup
	)		const

private

Definition at line 129 of file PATPFParticleProducer.cc.

References trackerHits::c, edm::hlt::Exception, newFWLiteAna::found, and edm::Event::getByLabel().

Referenced by produce().

                                                        {
   
   bool found = iEvent.getByLabel(tag, c);
   
   if(!found ) {
     std::ostringstream  err;
     err<<" cannot get PFCandidates: "
        <<tag<<std::endl;
     edm::LogError("PFCandidates")<<err.str();
     throw cms::Exception( "MissingProduct", err.str());
   }
   
 }

void PATPFParticleProducer::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

virtual

Implements edm::EDProducer.

Definition at line 65 of file PATPFParticleProducer.cc.

References addGenMatch_, pat::PATObject< ObjectType >::addGenParticleRef(), efficiencyLoader_, embedGenMatch_, pat::PATObject< ObjectType >::embedGenParticle(), pat::helper::EfficiencyLoader::enabled(), pat::helper::KinResolutionsLoader::enabled(), fetchCandidateCollection(), genMatchSrc_, edm::Event::getByLabel(), i, j, n, pat::helper::EfficiencyLoader::newEvent(), pat::helper::KinResolutionsLoader::newEvent(), pfParticleProducer_cfi::patPFParticles, reco::tau::pfCandidates(), pfCandidateSrc_, pTComparator_, edm::Event::put(), resolutionLoader_, pat::helper::EfficiencyLoader::setEfficiencies(), pat::helper::KinResolutionsLoader::setResolutions(), and python.multivaluedict::sort().

                                                   {
 
   // Get the collection of PFCandidates from the event
   edm::Handle<edm::View<reco::PFCandidate> > pfCandidates;
 
   fetchCandidateCollection(pfCandidates, 
                pfCandidateSrc_, 
                iEvent );
 
   // prepare the MC matching
   std::vector<edm::Handle<edm::Association<reco::GenParticleCollection> > > genMatches(genMatchSrc_.size());
   if (addGenMatch_) {
         for (size_t j = 0, nd = genMatchSrc_.size(); j < nd; ++j) {
             iEvent.getByLabel(genMatchSrc_[j], genMatches[j]);
         }
   }
 
   if (efficiencyLoader_.enabled()) efficiencyLoader_.newEvent(iEvent);
   if (resolutionLoader_.enabled()) resolutionLoader_.newEvent(iEvent, iSetup);
 
   // loop over PFCandidates
   std::vector<PFParticle> * patPFParticles = new std::vector<PFParticle>();
   for (edm::View<reco::PFCandidate>::const_iterator 
      itPFParticle = pfCandidates->begin(); 
        itPFParticle != pfCandidates->end(); 
        ++itPFParticle) {
 
     // construct the PFParticle from the ref -> save ref to original object
     unsigned int idx = itPFParticle - pfCandidates->begin();
     edm::RefToBase<reco::PFCandidate> pfCandidatesRef = pfCandidates->refAt(idx);
 
     PFParticle aPFParticle(pfCandidatesRef);
 
     if (addGenMatch_) {
       for(size_t i = 0, n = genMatches.size(); i < n; ++i) {
           reco::GenParticleRef genPFParticle = (*genMatches[i])[pfCandidatesRef];
           aPFParticle.addGenParticleRef(genPFParticle);
       }
       if (embedGenMatch_) aPFParticle.embedGenParticle();
     }
       
     if (efficiencyLoader_.enabled()) {
         efficiencyLoader_.setEfficiencies( aPFParticle, pfCandidatesRef );
     }
 
     if (resolutionLoader_.enabled()) {
         resolutionLoader_.setResolutions(aPFParticle);
     }
 
     // add sel to selected
     patPFParticles->push_back(aPFParticle);
   }
 
   // sort pfCandidates in pt
   std::sort(patPFParticles->begin(), patPFParticles->end(), pTComparator_);
 
   // put genEvt object in Event
   std::auto_ptr<std::vector<PFParticle> > ptr(patPFParticles);
   iEvent.put(ptr);
 
 }