PFCand_AssoMap Class Reference

#include <CommonTools/RecoUtils/plugins/PFCand_AssoMap.cc>

Inheritance diagram for PFCand_AssoMap:

List of all members.

Public Member Functions
	PFCand_AssoMap (const edm::ParameterSet &)
	~PFCand_AssoMap ()
Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)
Private Member Functions
virtual void	produce (edm::Event &, const edm::EventSetup &)
Private Attributes
edm::InputTag	input_PFCandidates_

---

Detailed Description

Description: Produces a map with association between pf candidates and their particular most probable vertex with a quality of this association

Definition at line 33 of file PFCand_AssoMap.h.

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Constructor & Destructor Documentation

PFCand_AssoMap::PFCand_AssoMap

(

const edm::ParameterSet &

iConfig

)

[explicit]

Definition at line 98 of file PFCand_AssoMap.cc.

References edm::ParameterSet::getParameter(), and input_PFCandidates_.

                                                            :PF_PU_AssoMapAlgos(iConfig)
{
   //register your products

        produces<PFCandVertexAssMap>();

   //now do what ever other initialization is needed

        input_PFCandidates_ = iConfig.getParameter<InputTag>("PFCandidateCollection");

  
}

PFCand_AssoMap::~PFCand_AssoMap

(

)

Definition at line 112 of file PFCand_AssoMap.cc.

{
}

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Member Function Documentation

void PFCand_AssoMap::fillDescriptions

(

edm::ConfigurationDescriptions &

descriptions

)

[static]

Reimplemented from edm::EDProducer.

Definition at line 180 of file PFCand_AssoMap.cc.

References edm::ConfigurationDescriptions::addDefault(), and edm::ParameterSetDescription::setUnknown().

                                                                           {
  //The following says we do not know what parameters are allowed so do no validation
  // Please change this to state exactly what you do use, even if it is no parameters
  edm::ParameterSetDescription desc;
  desc.setUnknown();
  descriptions.addDefault(desc);
}

void PFCand_AssoMap::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		[private, virtual]

Implements edm::EDProducer.

Definition at line 123 of file PFCand_AssoMap.cc.

References PF_PU_AssoMapAlgos::DoTrackAssociation(), edm::Event::getByLabel(), PF_PU_AssoMapAlgos::GetFirstVertex(), PF_PU_AssoMapAlgos::GetInputCollections(), i, input_PFCandidates_, edm::Ref< C, T, F >::isNull(), edm::Event::put(), PFCand_NoPU_WithAM_Algos::SortAssociationMap(), and CommonMethods::weight().

{

        //std::cout << "<PFCand_AssoMap::produce>:" << std::endl;

        auto_ptr<PFCandVertexAssMap> pfCandAM(new PFCandVertexAssMap() );
  
        //get the input pfCandidateCollection
        Handle<PFCandidateCollection> pfCandInH;
        iEvent.getByLabel(input_PFCandidates_,pfCandInH);

        if ( !PF_PU_AssoMapAlgos::GetInputCollections(iEvent,iSetup) ) return;

        VertexRef FirstVtxRef = PF_PU_AssoMapAlgos::GetFirstVertex();
   
        for( unsigned i=0; i<pfCandInH->size(); i++ ) {
     
          PFCandidateRef candref(pfCandInH, i);

          float weight;

          VertexPfcQuality VtxPfcQual;

          TrackRef PFCtrackref = candref->trackRef();

          if ( PFCtrackref.isNull() ){
     
            //the pfcand has no reference to a general track, therefore its mostly uncharged
            //it will allways be associated to the first vertex,
            //this was found out to be the best solution w.r.t. jet-pt response
            //weight set to -3.

            weight = -3.;              
            VtxPfcQual = make_pair(FirstVtxRef, make_pair(candref, weight));         

          } else {

            VertexTrackQuality VtxTrkQual = PF_PU_AssoMapAlgos::DoTrackAssociation(PFCtrackref, iSetup);
            VtxPfcQual = make_pair(VtxTrkQual.first, make_pair(candref, VtxTrkQual.second.second)); 

          }

          //std::cout << "associating candidate: Pt = " << VtxPfcQual.second.first->pt() << "," 
          //            << " eta = " << VtxPfcQual.second.first->eta() << ", phi = " << VtxPfcQual.second.first->phi() 
          //            << " to vertex: z = " << VtxPfcQual.first->position().z() << " with quality q = " << VtxPfcQual.second.second << std::endl;
    
          // Insert the best vertex and the pair of candidate and the quality of this association in the map
          pfCandAM->insert(VtxPfcQual.first, VtxPfcQual.second);

        }

        iEvent.put( PFCand_NoPU_WithAM_Algos::SortAssociationMap( &(*pfCandAM) ) );

}

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Member Data Documentation

edm::InputTag PFCand_AssoMap::input_PFCandidates_ [private]

Definition at line 45 of file PFCand_AssoMap.h.

Referenced by PFCand_AssoMap(), and produce().