Producer for DisplacedVertices. More...

Inheritance diagram for PFDisplacedVertexCandidateProducer:

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

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

	~PFDisplacedVertexCandidateProducer () override

Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default

	EDProducer (const EDProducer &)=delete

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginProcessBlocks () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndProcessBlocks () const final

bool	hasAbilityToProduceInEndRuns () const final

const EDProducer &	operator= (const EDProducer &)=delete

Private Attributes
edm::EDGetTokenT< reco::BeamSpot >	inputTagBeamSpot_

edm::EDGetTokenT< reco::VertexCollection >	inputTagMainVertex_
	Input tag for main vertex to cut of dxy of secondary tracks. More...

edm::EDGetTokenT< reco::TrackCollection >	inputTagTracks_
	Reco Tracks used to spot the nuclear interactions. More...

const edm::ESGetToken< MagneticField, IdealMagneticFieldRecord >	magneticFieldToken_

PFDisplacedVertexCandidateFinder	pfDisplacedVertexCandidateFinder_
	Displaced Vertex Candidates finder. More...

bool	verbose_
	verbose ? More...

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
using	CacheTypes = CacheContexts< T... >

using	GlobalCache = typename CacheTypes::GlobalCache

using	HasAbility = AbilityChecker< T... >

using	InputProcessBlockCache = typename CacheTypes::InputProcessBlockCache

using	LuminosityBlockCache = typename CacheTypes::LuminosityBlockCache

using	LuminosityBlockContext = LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >

using	LuminosityBlockSummaryCache = typename CacheTypes::LuminosityBlockSummaryCache

using	RunCache = typename CacheTypes::RunCache

using	RunContext = RunContextT< RunCache, GlobalCache >

using	RunSummaryCache = typename CacheTypes::RunSummaryCache

Detailed Description

Producer for DisplacedVertices.

This producer makes use of DisplacedVertexCandidateFinder. This Finder loop recursively over reco::Tracks to find those which are linked together by the criterion which is by default the minimal approach distance.

Author: Maxime Gouzevitch

Date: November 2009

Definition at line 24 of file PFDisplacedVertexCandidateProducer.cc.

Constructor & Destructor Documentation

◆ PFDisplacedVertexCandidateProducer()

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

explicit

Definition at line 55 of file PFDisplacedVertexCandidateProducer.cc.

     : magneticFieldToken_(esConsumes()) {
   // --- Setup input collection names --- //
   inputTagTracks_ = consumes<reco::TrackCollection>(iConfig.getParameter<InputTag>("trackCollection"));
  
   inputTagMainVertex_ = consumes<reco::VertexCollection>(iConfig.getParameter<InputTag>("mainVertexLabel"));
  
   inputTagBeamSpot_ = consumes<reco::BeamSpot>(iConfig.getParameter<InputTag>("offlineBeamSpotLabel"));
  
   verbose_ = iConfig.getUntrackedParameter<bool>("verbose");
  
   bool debug = iConfig.getUntrackedParameter<bool>("debug");
  
   // ------ Algo Parameters ------ //
  
   // Distance of minimal approach below which
   // two tracks are considered as linked together
   double dcaCut = iConfig.getParameter<double>("dcaCut");
  
   // Do not reconstruct vertices wich are
   // too close to the beam pipe
   double primaryVertexCut = iConfig.getParameter<double>("primaryVertexCut");
  
   //maximum distance between the DCA Point and the inner hit of the track
   double dcaPInnerHitCut = iConfig.getParameter<double>("dcaPInnerHitCut");
  
   edm::ParameterSet ps_trk = iConfig.getParameter<edm::ParameterSet>("tracksSelectorParameters");
  
   // Collection to be produced
   produces<reco::PFDisplacedVertexCandidateCollection>();
  
   // Vertex Finder parameters  -----------------------------------
   pfDisplacedVertexCandidateFinder_.setDebug(debug);
   pfDisplacedVertexCandidateFinder_.setParameters(dcaCut, primaryVertexCut, dcaPInnerHitCut, ps_trk);
 }

References particleFlowDisplacedVertexCandidate_cfi::dcaCut, particleFlowDisplacedVertexCandidate_cfi::dcaPInnerHitCut, debug, edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), inputTagBeamSpot_, inputTagMainVertex_, inputTagTracks_, pfDisplacedVertexCandidateFinder_, particleFlowDisplacedVertex_cfi::primaryVertexCut, PFDisplacedVertexCandidateFinder::setDebug(), PFDisplacedVertexCandidateFinder::setParameters(), and verbose_.

◆ ~PFDisplacedVertexCandidateProducer()

PFDisplacedVertexCandidateProducer::~PFDisplacedVertexCandidateProducer ( )

override

Definition at line 91 of file PFDisplacedVertexCandidateProducer.cc.

91 {}

Member Function Documentation

◆ produce()

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

override

Definition at line 93 of file PFDisplacedVertexCandidateProducer.cc.

                                                                                         {
   LogDebug("PFDisplacedVertexCandidateProducer")
       << "START event: " << iEvent.id().event() << " in run " << iEvent.id().run() << endl;
  
   // Prepare and fill useful event information for the Finder
   auto const& theMagField = &iSetup.getData(magneticFieldToken_);
  
   Handle<reco::TrackCollection> trackCollection;
   iEvent.getByToken(inputTagTracks_, trackCollection);
  
   Handle<reco::VertexCollection> mainVertexHandle;
   iEvent.getByToken(inputTagMainVertex_, mainVertexHandle);
  
   Handle<reco::BeamSpot> beamSpotHandle;
   iEvent.getByToken(inputTagBeamSpot_, beamSpotHandle);
  
   pfDisplacedVertexCandidateFinder_.setPrimaryVertex(mainVertexHandle, beamSpotHandle);
   pfDisplacedVertexCandidateFinder_.setInput(trackCollection, theMagField);
  
   // Run the finder
   pfDisplacedVertexCandidateFinder_.findDisplacedVertexCandidates();
  
   if (verbose_) {
     ostringstream str;
     str << pfDisplacedVertexCandidateFinder_ << endl;
     cout << pfDisplacedVertexCandidateFinder_ << endl;
     LogInfo("PFDisplacedVertexCandidateProducer") << str.str() << endl;
   }
  
   std::unique_ptr<reco::PFDisplacedVertexCandidateCollection> pOutputDisplacedVertexCandidateCollection(
       pfDisplacedVertexCandidateFinder_.transferVertexCandidates());
  
   iEvent.put(std::move(pOutputDisplacedVertexCandidateCollection));
  
   LogDebug("PFDisplacedVertexCandidateProducer")
       << "STOP event: " << iEvent.id().event() << " in run " << iEvent.id().run() << endl;
 }