pat::PATConversionProducer Class Reference

#include <PATConversionProducer.h>

Inheritance diagram for pat::PATConversionProducer:

Public Member Functions
	PATConversionProducer (const edm::ParameterSet &iConfig)
virtual void	produce (edm::Event &iEvent, const edm::EventSetup &iSetup) override
	~PATConversionProducer ()
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
	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
bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)
virtual	~EDConsumerBase ()

Private Attributes
edm::EDGetTokenT< reco::BeamSpot >	bsToken_
edm::EDGetTokenT < reco::ConversionCollection >	conversionsToken_
edm::EDGetTokenT< edm::View < reco::GsfElectron > >	electronToken_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
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::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 37 of file PATConversionProducer.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 46 of file PATConversionProducer.cc.

References edm::ParameterSet::getParameter().

                                                                           {

  // general configurables
  electronToken_    = consumes<edm::View<reco::GsfElectron> >(iConfig.getParameter<edm::InputTag>( "electronSource" ));
  bsToken_          = consumes<reco::BeamSpot>(edm::InputTag("offlineBeamSpot"));
  conversionsToken_ = consumes<reco::ConversionCollection>(edm::InputTag("allConversions"));

  // produces vector of muons
  produces<std::vector<Conversion> >();

}

PATConversionProducer::~PATConversionProducer

(

)

Definition at line 59 of file PATConversionProducer.cc.

                                              {
}

Member Function Documentation

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

overridevirtual

Implements edm::EDProducer.

Definition at line 63 of file PATConversionProducer.cc.

References reco::Vertex::chi2(), conv, HI_PhotonSkim_cff::electrons, edm::Event::getByToken(), cmsHarvester::index, lxy(), ConversionTools::matchesConversion(), reco::Vertex::ndof(), reco::BeamSpot::position(), edm::Handle< T >::product(), edm::Event::put(), pat::Conversion::setLxy(), pat::Conversion::setNHitsMax(), pat::Conversion::setVtxProb(), reco::Vertex::x(), and reco::Vertex::y().

                                                                                   {

  // Get the collection of electrons from the event
  edm::Handle<edm::View<reco::GsfElectron> > electrons;
  iEvent.getByToken(electronToken_, electrons);

  edm::Handle<reco::BeamSpot> bsHandle;
  iEvent.getByToken(bsToken_, bsHandle);
  const reco::BeamSpot &beamspot = *bsHandle.product();

  // for conversion veto selection
  edm::Handle<reco::ConversionCollection> hConversions;
  iEvent.getByToken(conversionsToken_, hConversions);

  std::vector<Conversion> * patConversions = new std::vector<Conversion>();

  for (reco::ConversionCollection::const_iterator conv = hConversions->begin(); conv!= hConversions->end(); ++conv) {

    reco::Vertex vtx = conv->conversionVertex();

    int index = 0;
    for (edm::View<reco::GsfElectron>::const_iterator itElectron = electrons->begin(); itElectron != electrons->end(); ++itElectron) {

      //find matched conversions with electron and save those conversions with matched electron index
      if (ConversionTools::matchesConversion(*itElectron, *conv)) {

        double vtxProb = TMath::Prob( vtx.chi2(), vtx.ndof());
        math::XYZVector mom(conv->refittedPairMomentum());
        double dbsx = vtx.x() - beamspot.position().x();
        double dbsy = vtx.y() - beamspot.position().y();
        double lxy = (mom.x()*dbsx + mom.y()*dbsy)/mom.rho();
        int nHitsMax = 0;

        for (std::vector<uint8_t>::const_iterator it = conv->nHitsBeforeVtx().begin(); it!=conv->nHitsBeforeVtx().end(); ++it) {
          if ((*it) > nHitsMax) nHitsMax = (*it);
        }

        pat::Conversion anConversion( index );
        anConversion.setVtxProb( vtxProb );
        anConversion.setLxy( lxy );
        anConversion.setNHitsMax(  nHitsMax );

        patConversions->push_back(anConversion);
        break;
      }
      index++;
    }

  }

  // add the electrons to the event output
  std::auto_ptr<std::vector<Conversion> > ptr(patConversions);
  iEvent.put(ptr);

}

Member Data Documentation

edm::EDGetTokenT<reco::BeamSpot> pat::PATConversionProducer::bsToken_

private

Definition at line 50 of file PATConversionProducer.h.

edm::EDGetTokenT<reco::ConversionCollection> pat::PATConversionProducer::conversionsToken_

private

Definition at line 51 of file PATConversionProducer.h.

edm::EDGetTokenT<edm::View<reco::GsfElectron> > pat::PATConversionProducer::electronToken_

private

Definition at line 49 of file PATConversionProducer.h.