/data/refman/pasoursint/CMSSW_5_3_3/src/RecoMuon/L2MuonProducer/src/L2MuonProducer.cc

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#include "RecoMuon/L2MuonProducer/src/L2MuonProducer.h"

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

// TrackFinder and Specific STA/L2 Trajectory Builder
#include "RecoMuon/StandAloneTrackFinder/interface/StandAloneTrajectoryBuilder.h"
#include "RecoMuon/TrackingTools/interface/MuonTrackFinder.h"
#include "RecoMuon/TrackingTools/interface/MuonTrackLoader.h"
#include "RecoMuon/TrackingTools/interface/MuonTrajectoryCleaner.h"
#include "RecoMuon/TrackingTools/interface/MuonServiceProxy.h"

#include "TrackingTools/PatternTools/interface/TrajTrackAssociation.h"
#include "TrackingTools/DetLayers/interface/NavigationSetter.h"

#include "DataFormats/TrajectorySeed/interface/TrajectorySeedCollection.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/Common/interface/View.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackToTrackMap.h"
#include "DataFormats/MuonSeed/interface/L2MuonTrajectorySeedCollection.h"

#include <string>

using namespace edm;
using namespace std;

L2MuonProducer::L2MuonProducer(const ParameterSet& parameterSet){
  LogTrace("Muon|RecoMuon|L2MuonProducer")<<"constructor called"<<endl;

  // Parameter set for the Builder
  ParameterSet trajectoryBuilderParameters = parameterSet.getParameter<ParameterSet>("L2TrajBuilderParameters");

  // MuonSeed Collection Label
  theSeedCollectionLabel = parameterSet.getParameter<InputTag>("InputObjects");

  // service parameters
  ParameterSet serviceParameters = parameterSet.getParameter<ParameterSet>("ServiceParameters");

  // TrackLoader parameters
  ParameterSet trackLoaderParameters = parameterSet.getParameter<ParameterSet>("TrackLoaderParameters");

  // the services
  theService = new MuonServiceProxy(serviceParameters);

  // instantiate the concrete trajectory builder in the Track Finder
  theTrackFinder = new MuonTrackFinder(new StandAloneMuonTrajectoryBuilder(trajectoryBuilderParameters, theService),
                                       new MuonTrackLoader(trackLoaderParameters, theService),
                                       new MuonTrajectoryCleaner(true));
  
  produces<reco::TrackCollection>();
  produces<reco::TrackCollection>("UpdatedAtVtx");
  produces<TrackingRecHitCollection>();
  produces<reco::TrackExtraCollection>();
  produces<reco::TrackToTrackMap>();

  produces<std::vector<Trajectory> >();
  produces<TrajTrackAssociationCollection>();

  produces<edm::AssociationMap<edm::OneToMany<std::vector<L2MuonTrajectorySeed>, std::vector<L2MuonTrajectorySeed> > > >();
}
  
L2MuonProducer::~L2MuonProducer(){
  LogTrace("Muon|RecoMuon|L2eMuonProducer")<<"L2MuonProducer destructor called"<<endl;
  delete theService;
  delete theTrackFinder;
}


void L2MuonProducer::produce(Event& event, const EventSetup& eventSetup){
  
 const std::string metname = "Muon|RecoMuon|L2MuonProducer";
  
  LogTrace(metname)<<endl<<endl<<endl;
  LogTrace(metname)<<"L2 Muon Reconstruction Started"<<endl;
  
  // Take the seeds container
  LogTrace(metname)<<"Taking the seeds: "<<theSeedCollectionLabel.label()<<endl;
  Handle<View<TrajectorySeed> > seeds; 
  event.getByLabel(theSeedCollectionLabel,seeds);

  // Update the services
  theService->update(eventSetup);
  NavigationSetter setter(*theService->muonNavigationSchool());
  
  // Reconstruct 
  LogTrace(metname)<<"Track Reconstruction"<<endl;
  theTrackFinder->reconstruct(seeds,event);
  
  LogTrace(metname)<<"Event loaded"
                   <<"================================"
                   <<endl<<endl;
}