#include <RecoBTag/ImpactParameter/src/ImpactParameter.cc>

Inheritance diagram for ImpactParameter:

Public Member Functions
	ImpactParameter (const edm::ParameterSet &)

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

	~ImpactParameter ()

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 Attributes
ImpactParameterAlgorithm *	algo

std::string	jetTrackSrc

bool	usingVertex

std::string	vertexSrc

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

Description: <one line="" class="" summary>="">

Implementation: <Notes on="" implementation>="">

Definition at line 13 of file ImpactParameter.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 47 of file ImpactParameter.cc.

References algo, edm::ParameterSet::getParameter(), jetTrackSrc, usingVertex, and vertexSrc.

                                                                {
 
         jetTrackSrc = iConfig.getParameter<std::string>("JetTagProd");
         vertexSrc   = iConfig.getParameter<std::string>("vertexSrc");
         usingVertex = iConfig.getParameter<bool>("useVertex");
 
         algo = new ImpactParameterAlgorithm(iConfig);
 
         std::string modulname = iConfig.getParameter<std::string>( "@module_label" );
         produces<reco::JetTagCollection>().setBranchAlias(modulname);
         std::string infoBranchName = modulname + "Info";
         produces<reco::TauImpactParameterInfoCollection>().setBranchAlias(infoBranchName);
 }

ImpactParameter::~ImpactParameter ( )

Definition at line 62 of file ImpactParameter.cc.

References algo.

                                  {
         delete algo;
 }

Member Function Documentation

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

virtual

Implements edm::EDProducer.

Definition at line 72 of file ImpactParameter.cc.

References algo, alignCSCRings::e, edm::EventSetup::get(), edm::Event::getByLabel(), i, jetTrackSrc, AlCaHLTBitMon_ParallelJobs::p, parseEventContent::prod, edm::Handle< T >::product(), edm::Event::put(), dt_dqm_sourceclient_common_cff::reco, ImpactParameterAlgorithm::setTransientTrackBuilder(), ImpactParameterAlgorithm::tag(), usingVertex, and vertexSrc.

                                                                           {
 
         using namespace reco;
 
         edm::Handle<IsolatedTauTagInfoCollection> isolatedTaus;
         iEvent.getByLabel(jetTrackSrc,isolatedTaus);
 
         std::auto_ptr<JetTagCollection>                 tagCollection;
         std::auto_ptr<TauImpactParameterInfoCollection> extCollection( new TauImpactParameterInfoCollection() );
         if (not isolatedTaus->empty()) {
           edm::RefToBaseProd<reco::Jet> prod( isolatedTaus->begin()->jet() );
           tagCollection.reset( new JetTagCollection(prod) );
         } else {
           tagCollection.reset( new JetTagCollection() );
         }
 
         edm::ESHandle<TransientTrackBuilder> builder;
         iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder",builder);
         algo->setTransientTrackBuilder(builder.product());
 
         Vertex PV;
         if (usingVertex) {
           edm::Handle<reco::VertexCollection> vertices;
           iEvent.getByLabel(vertexSrc,vertices);
 
           const reco::VertexCollection vertCollection = *(vertices.product());
           reco::VertexCollection::const_iterator iVertex;
 
           for(iVertex = vertCollection.begin();iVertex!=vertCollection.end();iVertex++){
             PV = *iVertex;
           }
 
         } else {
           Vertex::Error e;
           e(0,0)=0;
           e(1,1)=0;
           e(2,2)=0;
           Vertex::Point p(0,0,0);
 
           Vertex dummyPV(p,e,1,1,1);
           PV = dummyPV;
         }
 
         for (unsigned int i = 0; i < isolatedTaus->size(); ++i) {
             IsolatedTauTagInfoRef tauRef(isolatedTaus, i);
             std::pair<float, TauImpactParameterInfo> ipInfo = algo->tag(tauRef,PV);
             tagCollection->setValue(i, ipInfo.first);    
             extCollection->push_back(ipInfo.second);
         }
 
         iEvent.put(extCollection);
         iEvent.put(tagCollection);
 }