Producer for DisplacedVertices. More...

Inheritance diagram for PFDisplacedVertexProducer:

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

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

	~PFDisplacedVertexProducer () 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
const edm::ESGetToken< GlobalTrackingGeometry, GlobalTrackingGeometryRecord >	globTkGeomToken_

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::PFDisplacedVertexCandidateCollection >	inputTagVertexCandidates_

const edm::ESGetToken< MagneticField, IdealMagneticFieldRecord >	magFieldToken_

PFDisplacedVertexFinder	pfDisplacedVertexFinder_
	Displaced Vertices finder. More...

const edm::ESGetToken< TrackerGeometry, TrackerDigiGeometryRecord >	tkerGeomToken_

const edm::ESGetToken< TrackerTopology, TrackerTopologyRcd >	tkerTopoToken_

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 DisplacedVertexFinder. This Finder fit vertex candidates out of the DisplacedVertexCandidates which contain all tracks linked together by the criterion which is by default the minimal approach distance.

Author: Maxime Gouzevitch

Date: November 2009

Definition at line 28 of file PFDisplacedVertexProducer.cc.

Constructor & Destructor Documentation

◆ PFDisplacedVertexProducer()

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

explicit

Definition at line 64 of file PFDisplacedVertexProducer.cc.

     : magFieldToken_(esConsumes()),
       globTkGeomToken_(esConsumes()),
       tkerTopoToken_(esConsumes()),
       tkerGeomToken_(esConsumes()) {
   // --- Setup input collection names --- //
  
   inputTagVertexCandidates_ =
       consumes<reco::PFDisplacedVertexCandidateCollection>(iConfig.getParameter<InputTag>("vertexCandidatesLabel"));
  
   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 ------ //
  
   // Maximal transverse distance between two minimal
   // approach points to be used together
   double transvSize = iConfig.getParameter<double>("transvSize");
  
   // Maximal longitudinal distance between two minimal
   // approach points to be used together
   double longSize = iConfig.getParameter<double>("longSize");
  
   // Minimal radius below which we do not reconstruct interactions
   // Typically the position of the first Pixel layer
   double primaryVertexCut = iConfig.getParameter<double>("primaryVertexCut");
  
   // Radius at which no secondary tracks are availables
   // in the barrel.For the moment we exclude the TOB barrel
   // since 5-th track step starts the latest at first TOB
   // layer.
   double tobCut = iConfig.getParameter<double>("tobCut");
  
   // Radius at which no secondary tracks are availables
   // in the endcaps.For the moment we exclude the TEC wheel.
   double tecCut = iConfig.getParameter<double>("tecCut");
  
   // The minimal accepted weight for the tracks calculated in the
   // adaptive vertex fitter to be associated to the displaced vertex
   double minAdaptWeight = iConfig.getParameter<double>("minAdaptWeight");
  
   bool switchOff2TrackVertex = iConfig.getUntrackedParameter<bool>("switchOff2TrackVertex");
  
   edm::ParameterSet ps_trk = iConfig.getParameter<edm::ParameterSet>("tracksSelectorParameters");
   edm::ParameterSet ps_vtx = iConfig.getParameter<edm::ParameterSet>("vertexIdentifierParameters");
   edm::ParameterSet ps_avf = iConfig.getParameter<edm::ParameterSet>("avfParameters");
  
   produces<reco::PFDisplacedVertexCollection>();
  
   // Vertex Finder parameters  -----------------------------------
   pfDisplacedVertexFinder_.setDebug(debug);
   pfDisplacedVertexFinder_.setParameters(
       transvSize, longSize, primaryVertexCut, tobCut, tecCut, minAdaptWeight, switchOff2TrackVertex);
   pfDisplacedVertexFinder_.setAVFParameters(ps_avf);
   pfDisplacedVertexFinder_.setTracksSelector(ps_trk);
   pfDisplacedVertexFinder_.setVertexIdentifier(ps_vtx);
 }

References debug, edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), inputTagBeamSpot_, inputTagMainVertex_, inputTagVertexCandidates_, particleFlowDisplacedVertex_cfi::longSize, particleFlowDisplacedVertex_cfi::minAdaptWeight, pfDisplacedVertexFinder_, particleFlowDisplacedVertex_cfi::primaryVertexCut, PFDisplacedVertexFinder::setAVFParameters(), PFDisplacedVertexFinder::setDebug(), PFDisplacedVertexFinder::setParameters(), PFDisplacedVertexFinder::setTracksSelector(), PFDisplacedVertexFinder::setVertexIdentifier(), particleFlowDisplacedVertex_cfi::switchOff2TrackVertex, particleFlowDisplacedVertex_cfi::tecCut, particleFlowDisplacedVertex_cfi::tobCut, particleFlowDisplacedVertex_cfi::transvSize, and verbose_.

◆ ~PFDisplacedVertexProducer()

PFDisplacedVertexProducer::~PFDisplacedVertexProducer ( )

override

Definition at line 127 of file PFDisplacedVertexProducer.cc.

127 {}

Member Function Documentation

◆ produce()

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

override

Definition at line 129 of file PFDisplacedVertexProducer.cc.

                                                                                {
   LogDebug("PFDisplacedVertexProducer") << "START event: " << iEvent.id().event() << " in run " << iEvent.id().run()
                                         << endl;
  
   // Prepare useful information for the Finder
  
   auto const& theMagField = &iSetup.getData(magFieldToken_);
   auto const& globTkGeom = &iSetup.getData(globTkGeomToken_);
   auto const& tkerTopo = &iSetup.getData(tkerTopoToken_);
   auto const& tkerGeom = &iSetup.getData(tkerGeomToken_);
  
   Handle<reco::PFDisplacedVertexCandidateCollection> vertexCandidates;
   iEvent.getByToken(inputTagVertexCandidates_, vertexCandidates);
  
   Handle<reco::VertexCollection> mainVertexHandle;
   iEvent.getByToken(inputTagMainVertex_, mainVertexHandle);
  
   Handle<reco::BeamSpot> beamSpotHandle;
   iEvent.getByToken(inputTagBeamSpot_, beamSpotHandle);
  
   // Fill useful event information for the Finder
   pfDisplacedVertexFinder_.setEdmParameters(theMagField, globTkGeom, tkerTopo, tkerGeom);
   pfDisplacedVertexFinder_.setPrimaryVertex(mainVertexHandle, beamSpotHandle);
   pfDisplacedVertexFinder_.setInput(vertexCandidates);
  
   // Run the finder
   pfDisplacedVertexFinder_.findDisplacedVertices();
  
   if (verbose_) {
     ostringstream str;
     //str<<pfDisplacedVertexFinder_<<endl;
     cout << pfDisplacedVertexFinder_ << endl;
     LogInfo("PFDisplacedVertexProducer") << str.str() << endl;
   }
  
   std::unique_ptr<reco::PFDisplacedVertexCollection> pOutputDisplacedVertexCollection(
       pfDisplacedVertexFinder_.transferDisplacedVertices());
  
   iEvent.put(std::move(pOutputDisplacedVertexCollection));
  
   LogDebug("PFDisplacedVertexProducer") << "STOP event: " << iEvent.id().event() << " in run " << iEvent.id().run()
                                         << endl;
 }