PhoFull5x5SigmaIEtaIEtaValueMapCut.cc

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#include "PhysicsTools/SelectorUtils/interface/CutApplicatorWithEventContentBase.h"
#include "DataFormats/EgammaCandidates/interface/Photon.h"

class PhoFull5x5SigmaIEtaIEtaValueMapCut : public CutApplicatorWithEventContentBase {
public:
  PhoFull5x5SigmaIEtaIEtaValueMapCut(const edm::ParameterSet& c);
  
  result_type operator()(const reco::PhotonPtr&) const override final;

  void setConsumes(edm::ConsumesCollector&) override final;
  void getEventContent(const edm::EventBase&) override final;

  double value(const reco::CandidatePtr& cand) const override final;

  CandidateType candidateType() const override final { 
    return PHOTON; 
  }

private:
  const float _cutValueEB;
  const float _cutValueEE;
  const float _barrelCutOff;
  edm::Handle<edm::ValueMap<float> > _full5x5SigmaIEtaIEtaMap;

  constexpr static char full5x5SigmaIEtaIEta_[] = "full5x5SigmaIEtaIEta";
};

constexpr char PhoFull5x5SigmaIEtaIEtaValueMapCut::full5x5SigmaIEtaIEta_[];

DEFINE_EDM_PLUGIN(CutApplicatorFactory,
          PhoFull5x5SigmaIEtaIEtaValueMapCut,
          "PhoFull5x5SigmaIEtaIEtaValueMapCut");

PhoFull5x5SigmaIEtaIEtaValueMapCut::PhoFull5x5SigmaIEtaIEtaValueMapCut(const edm::ParameterSet& c) :
  CutApplicatorWithEventContentBase(c),
  _cutValueEB(c.getParameter<double>("cutValueEB")),
  _cutValueEE(c.getParameter<double>("cutValueEE")),
  _barrelCutOff(c.getParameter<double>("barrelCutOff")) {

  edm::InputTag maptag = c.getParameter<edm::InputTag>("full5x5SigmaIEtaIEtaMap");
  contentTags_.emplace(full5x5SigmaIEtaIEta_,maptag);
}

void PhoFull5x5SigmaIEtaIEtaValueMapCut::setConsumes(edm::ConsumesCollector& cc) {
  auto full5x5SigmaIEtaIEta = 
    cc.consumes<edm::ValueMap<float> >(contentTags_[full5x5SigmaIEtaIEta_]);
  contentTokens_.emplace(full5x5SigmaIEtaIEta_,full5x5SigmaIEtaIEta);
}

void PhoFull5x5SigmaIEtaIEtaValueMapCut::getEventContent(const edm::EventBase& ev) {  
  ev.getByLabel(contentTags_[full5x5SigmaIEtaIEta_],_full5x5SigmaIEtaIEtaMap);
}

CutApplicatorBase::result_type 
PhoFull5x5SigmaIEtaIEtaValueMapCut::
operator()(const reco::PhotonPtr& cand) const{  

  // Figure out the cut value
  const float cutValue = 
    ( std::abs(cand->superCluster()->eta()) < _barrelCutOff ? 
      _cutValueEB : _cutValueEE );
  float sihihval = -1.0;
  if( _full5x5SigmaIEtaIEtaMap.isValid() && _full5x5SigmaIEtaIEtaMap->contains( cand.id() ) ) {
    sihihval = (*_full5x5SigmaIEtaIEtaMap)[cand];
  } else if ( _full5x5SigmaIEtaIEtaMap.isValid() && _full5x5SigmaIEtaIEtaMap->idSize() == 1 &&
              cand.id() == edm::ProductID() ) {
    // in case we have spoofed a ptr
    //note this must be a 1:1 valuemap (only one product input)
    sihihval = _full5x5SigmaIEtaIEtaMap->begin()[cand.key()];
  } else if ( _full5x5SigmaIEtaIEtaMap.isValid() ){ // throw an exception
    sihihval = (*_full5x5SigmaIEtaIEtaMap)[cand];
  }
  
  // Retrieve the variable value for this particle
  const float full5x5SigmaIEtaIEta = _full5x5SigmaIEtaIEtaMap.isValid() ? sihihval : cand->full5x5_sigmaIetaIeta();
  
  // Apply the cut and return the result
  return full5x5SigmaIEtaIEta < cutValue;
}

double PhoFull5x5SigmaIEtaIEtaValueMapCut::
value(const reco::CandidatePtr& cand) const {
  reco::PhotonPtr pho(cand);
  float sihihval = -1.0;
  if( _full5x5SigmaIEtaIEtaMap.isValid() && _full5x5SigmaIEtaIEtaMap->contains( cand.id() ) ) {
    sihihval = (*_full5x5SigmaIEtaIEtaMap)[cand];
  } else if ( _full5x5SigmaIEtaIEtaMap.isValid() && _full5x5SigmaIEtaIEtaMap->idSize() == 1 &&
              cand.id() == edm::ProductID() ) {
    // in case we have spoofed a ptr
    //note this must be a 1:1 valuemap (only one product input)
    sihihval = _full5x5SigmaIEtaIEtaMap->begin()[cand.key()];
  } else if ( _full5x5SigmaIEtaIEtaMap.isValid() ){ // throw an exception
    sihihval = (*_full5x5SigmaIEtaIEtaMap)[cand];
  }

  return _full5x5SigmaIEtaIEtaMap.isValid() ? sihihval : pho->full5x5_sigmaIetaIeta();
}