/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/DQMOffline/PFTau/interface/PFCandidateManager.h

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#ifndef RecoParticleFlow_Benchmark_BenchmarkManager_h
#define RecoParticleFlow_Benchmark_BenchmarkManager_h

#include "DQMOffline/PFTau/interface/Benchmark.h"
#include "DQMOffline/PFTau/interface/CandidateBenchmark.h"
#include "DQMOffline/PFTau/interface/PFCandidateBenchmark.h"
#include "DQMOffline/PFTau/interface/MatchCandidateBenchmark.h"

#include "DataFormats/ParticleFlowCandidate/interface/PFCandidateFwd.h"
#include "DataFormats/ParticleFlowCandidate/interface/PFCandidate.h"

#include <vector>

class PFCandidateManager : public Benchmark {

 public:

  PFCandidateManager( float dRMax = 0.3,
                      bool matchCharge = true, 
                      Benchmark::Mode mode=Benchmark::DEFAULT) 
    : 
    Benchmark(mode), 
    candBench_(mode), pfCandBench_(mode), matchCandBench_(mode), 
    dRMax_(dRMax), matchCharge_(matchCharge) {}
  
  virtual ~PFCandidateManager();
  
  void setParameters( float dRMax = 0.3,
                      bool matchCharge = true, 
                      Benchmark::Mode mode=Benchmark::DEFAULT );
  
  void setDirectory(TDirectory* dir);

  void setup();
  
  template< class C>
  void fill(const reco::PFCandidateCollection& candCollection,
            const C& matchedCandCollection );

 protected:
  CandidateBenchmark      candBench_;
  PFCandidateBenchmark    pfCandBench_;
  MatchCandidateBenchmark matchCandBench_;

  float dRMax_;
  bool  matchCharge_;

};


#include "DQMOffline/PFTau/interface/Matchers.h"

template< class C>
void PFCandidateManager::fill(const reco::PFCandidateCollection& candCollection,
                              const C& matchCandCollection) {
  

  std::vector<int> matchIndices;
  PFB::match( candCollection, matchCandCollection, matchIndices, 
              matchCharge_, dRMax_ );

  for (unsigned int i = 0; i < candCollection.size(); i++) {
    const reco::PFCandidate& cand = candCollection[i];

    if( !isInRange(cand.pt(), cand.eta(), cand.phi() ) ) continue;
    
    int iMatch = matchIndices[i];

    assert(iMatch< static_cast<int>(matchCandCollection.size()));
 
    //COLIN how to handle efficiency plots?

    // filling the histograms in CandidateBenchmark only in case 
    // of a matching. 
    if( iMatch!=-1 ) {
      candBench_.fillOne(cand);
      pfCandBench_.fillOne(cand);
      matchCandBench_.fillOne(cand, matchCandCollection[ iMatch ]);
    }
  }
}

 

#endif