PFTauSecondaryVertexProducer Class Reference

Inheritance diagram for PFTauSecondaryVertexProducer:

Public Types
enum	Alg { useInputPV =0, usePVwithMaxSumPt, useTauPV }
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Member Functions
	PFTauSecondaryVertexProducer (const edm::ParameterSet &iConfig)
virtual void	produce (edm::Event &, const edm::EventSetup &)
	~PFTauSecondaryVertexProducer ()
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
ModuleDescription const &	moduleDescription () const
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()
Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const
	EDConsumerBase ()
ProductHolderIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
void	itemsToGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const
void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const
bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)
virtual	~EDConsumerBase ()

Private Attributes
edm::InputTag	PFTauTag_
edm::EDGetTokenT< std::vector < reco::PFTau > >	PFTauToken_

Additional Inherited Members
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::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)
ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...
template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()
void	consumesMany (const TypeToGet &id)
template<BranchType B>
void	consumesMany (const TypeToGet &id)
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Detailed Description

Definition at line 50 of file PFTauSecondaryVertexProducer.cc.

Member Enumeration Documentation

enum PFTauSecondaryVertexProducer::Alg

Enumerator
useInputPV
usePVwithMaxSumPt
useTauPV

Definition at line 52 of file PFTauSecondaryVertexProducer.cc.

{useInputPV=0, usePVwithMaxSumPt, useTauPV};

Constructor & Destructor Documentation

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

explicit

Definition at line 62 of file PFTauSecondaryVertexProducer.cc.

                                                                                        :
  PFTauToken_(consumes<std::vector<reco::PFTau> >(iConfig.getParameter<edm::InputTag>("PFTauTag")))
{
  produces<edm::AssociationVector<PFTauRefProd, std::vector<std::vector<reco::VertexRef> > > >();
  produces<VertexCollection>("PFTauSecondaryVertices");
}

PFTauSecondaryVertexProducer::~PFTauSecondaryVertexProducer

(

)

Definition at line 69 of file PFTauSecondaryVertexProducer.cc.

                                                           {

}

Member Function Documentation

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

virtual

Implements edm::EDProducer.

Definition at line 73 of file PFTauSecondaryVertexProducer.cc.

References edm::EventSetup::get(), edm::Event::getByToken(), edm::Event::getRefBeforePut(), TransientVertex::hasRefittedTracks(), edm::HandleBase::isValid(), getDQMSummary::iter, PFTauToken_, edm::Event::put(), TransientVertex::refittedTracks(), and KalmanVertexFitter::vertex().

                                                                                      {
  // Obtain 
  edm::ESHandle<TransientTrackBuilder> transTrackBuilder;
  iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder",transTrackBuilder);

  edm::Handle<std::vector<reco::PFTau> > Tau;
  iEvent.getByToken(PFTauToken_,Tau);

  // Set Association Map
  auto_ptr<edm::AssociationVector<PFTauRefProd, std::vector<std::vector<reco::VertexRef> > > > AVPFTauSV(new edm::AssociationVector<PFTauRefProd, std::vector<std::vector<reco::VertexRef> > >(PFTauRefProd(Tau)));
  std::auto_ptr<VertexCollection>  VertexCollection_out= std::auto_ptr<VertexCollection>(new VertexCollection);
  reco::VertexRefProd VertexRefProd_out = iEvent.getRefBeforePut<reco::VertexCollection>("PFTauSecondaryVertices");

  // For each Tau Run Algorithim
  if(Tau.isValid()) {
    for(reco::PFTauCollection::size_type iPFTau = 0; iPFTau < Tau->size(); iPFTau++) {
      reco::PFTauRef RefPFTau(Tau, iPFTau);
      std::vector<reco::VertexRef> SV;
      if(RefPFTau->decayMode()>=5){
    // Get tracks form PFTau daugthers
    std::vector<reco::TransientTrack> transTrk;
    TransientVertex transVtx;
    const std::vector<edm::Ptr<reco::PFCandidate> > cands = RefPFTau->signalPFChargedHadrCands(); 
    for (std::vector<edm::Ptr<reco::PFCandidate> >::const_iterator iter = cands.begin(); iter!=cands.end(); ++iter) {
      if(iter->get()->trackRef().isNonnull())transTrk.push_back(transTrackBuilder->build(iter->get()->trackRef()));
      else if(iter->get()->gsfTrackRef().isNonnull())transTrk.push_back(transTrackBuilder->build(iter->get()->gsfTrackRef()));
    }
    // Fit the secondary vertex
    bool FitOk(true);
    KalmanVertexFitter kvf(true);
    try{
      transVtx = kvf.vertex(transTrk); //KalmanVertexFitter  
    }catch(...){
      FitOk=false;
    }
    if(!transVtx.hasRefittedTracks()) FitOk=false;
    if(transVtx.refittedTracks().size()!=transTrk.size()) FitOk=false;
    if(FitOk){
      SV.push_back(reco::VertexRef(VertexRefProd_out, VertexCollection_out->size()));
      VertexCollection_out->push_back(transVtx);
    }
      }
      AVPFTauSV->setValue(iPFTau, SV);
    }
  }
  iEvent.put(VertexCollection_out,"PFTauSecondaryVertices");
  iEvent.put(AVPFTauSV);
}

Member Data Documentation

edm::InputTag PFTauSecondaryVertexProducer::PFTauTag_

private

Definition at line 58 of file PFTauSecondaryVertexProducer.cc.

edm::EDGetTokenT<std::vector<reco::PFTau> > PFTauSecondaryVertexProducer::PFTauToken_

private

Definition at line 59 of file PFTauSecondaryVertexProducer.cc.

Referenced by produce().