Producer for DisplacedVertices. More...

#include <PFDisplacedVertexProducer.h>

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

bool	hasAbilityToProduceInLumis () const final

bool	hasAbilityToProduceInRuns () const final

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::PFDisplacedVertexCandidateCollection >	inputTagVertexCandidates_

PFDisplacedVertexFinder	pfDisplacedVertexFinder_
	Displaced Vertices finder. More...

bool	verbose_
	verbose ? More...

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

typedef CacheTypes::GlobalCache	GlobalCache

typedef AbilityChecker< T... >	HasAbility

typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache

typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext

typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache

typedef CacheTypes::RunCache	RunCache

typedef RunContextT< RunCache, GlobalCache >	RunContext

typedef CacheTypes::RunSummaryCache	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 25 of file PFDisplacedVertexProducer.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 27 of file PFDisplacedVertexProducer.cc.

References debug, edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), particleFlowDisplacedVertex_cfi::longSize, particleFlowDisplacedVertex_cfi::minAdaptWeight, particleFlowDisplacedVertex_cfi::primaryVertexCut, particleFlowDisplacedVertex_cfi::switchOff2TrackVertex, particleFlowDisplacedVertex_cfi::tecCut, particleFlowDisplacedVertex_cfi::tobCut, and particleFlowDisplacedVertex_cfi::transvSize.

                                                                                    {
   
   // --- 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);
   
 }

PFDisplacedVertexProducer::~PFDisplacedVertexProducer ( )

override

Definition at line 100 of file PFDisplacedVertexProducer.cc.

100 { }

Member Function Documentation

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

override

Definition at line 105 of file PFDisplacedVertexProducer.cc.

References gather_cfg::cout, edm::EventID::event(), edm::EventSetup::get(), edm::Event::getByToken(), edm::EventBase::id(), LogDebug, eostools::move(), edm::ESHandle< T >::product(), edm::Event::put(), edm::EventID::run(), and str.

                                        {
   
   LogDebug("PFDisplacedVertexProducer")<<"START event: "<<iEvent.id().event()
                  <<" in run "<<iEvent.id().run()<<endl;
   
   // Prepare useful information for the Finder
 
   ESHandle<MagneticField> magField;
   iSetup.get<IdealMagneticFieldRecord>().get(magField);
   const MagneticField* theMagField = magField.product();
 
   ESHandle<GlobalTrackingGeometry> globTkGeomHandle;
   iSetup.get<GlobalTrackingGeometryRecord>().get(globTkGeomHandle);
 
   ESHandle<TrackerTopology> tkerTopoHandle;
   iSetup.get<TrackerTopologyRcd>().get(tkerTopoHandle);
 
   ESHandle<TrackerGeometry> tkerGeomHandle;
   iSetup.get<TrackerDigiGeometryRecord>().get(tkerGeomHandle);
 
   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, globTkGeomHandle, tkerTopoHandle.product(), tkerGeomHandle.product());
   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;
 
 }