MuonRefProducer.cc

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// -*- C++ -*-
//
// Package:    MuonIdentification
// Class:      MuonRefProducer
// 
//
// Original Author:  Dmytro Kovalskyi
//
//

// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDProducer.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"

#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/MuonReco/interface/Muon.h"
#include "DataFormats/MuonReco/interface/MuonFwd.h"

#include "RecoMuon/MuonIdentification/plugins/MuonRefProducer.h"
#include "DataFormats/Common/interface/Ref.h"
#include "DataFormats/Common/interface/RefVector.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/MuonReco/interface/MuonSelectors.h"

MuonRefProducer::MuonRefProducer(const edm::ParameterSet& iConfig)
{
   theReferenceCollection_ = iConfig.getParameter<edm::InputTag>("ReferenceCollection");
   muonToken_ = consumes<reco::MuonCollection> (theReferenceCollection_);

   type_ = muon::TMLastStation; // default type
   std::string type = iConfig.getParameter<std::string>("algorithmType");
   if ( type.compare("TMLastStation") != 0 )
     edm::LogWarning("MuonIdentification") << "Unknown algorithm type is requested: " << type << "\nUsing the default one.";
   
   minNumberOfMatches_      = iConfig.getParameter<int>("minNumberOfMatchedStations");
   maxAbsDx_                = iConfig.getParameter<double>("maxAbsDx");
   maxAbsPullX_             = iConfig.getParameter<double>("maxAbsPullX");
   maxAbsDy_                = iConfig.getParameter<double>("maxAbsDy");
   maxAbsPullY_             = iConfig.getParameter<double>("maxAbsPullY");
   maxChamberDist_          = iConfig.getParameter<double>("maxChamberDistance");
   maxChamberDistPull_      = iConfig.getParameter<double>("maxChamberDistancePull");
   
   std::string arbitrationType = iConfig.getParameter<std::string>("arbitrationType");
   if (arbitrationType.compare("NoArbitration")==0)
     arbitrationType_ = reco::Muon::NoArbitration;
   else if (arbitrationType.compare("SegmentArbitration")==0)
     arbitrationType_ = reco::Muon::SegmentArbitration;
   else if (arbitrationType.compare("SegmentAndTrackArbitration")==0)
     arbitrationType_ = reco::Muon::SegmentAndTrackArbitration;
   else {
      edm::LogWarning("MuonIdentification") << "Unknown arbitration type is requested: " << arbitrationType << "\nUsing the default one";
      arbitrationType_ = reco::Muon::SegmentAndTrackArbitration;
   }
   produces<edm::RefVector<std::vector<reco::Muon> > >();
}


MuonRefProducer::~MuonRefProducer(){}

void MuonRefProducer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
{
   std::auto_ptr<edm::RefVector<std::vector<reco::Muon> > > outputCollection(new edm::RefVector<std::vector<reco::Muon> >);

   edm::Handle<reco::MuonCollection> muons;
   iEvent.getByToken(muonToken_, muons);
   
   // loop over input collection
   for ( unsigned int i=0; i<muons->size(); ++i ) 
     if ( muon::isGoodMuon( (*muons)[i], type_, minNumberOfMatches_,
      maxAbsDx_, maxAbsPullX_, maxAbsDy_, maxAbsPullY_, maxChamberDist_, maxChamberDistPull_, arbitrationType_) )
       outputCollection->push_back( edm::RefVector<std::vector<reco::Muon> >::value_type(muons,i) );
   iEvent.put(outputCollection);
}