PATPhotonProducer.h

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//
//

#ifndef PhysicsTools_PatAlgos_PATPhotonProducer_h
#define PhysicsTools_PatAlgos_PATPhotonProducer_h

#include "FWCore/Framework/interface/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "CommonTools/Utils/interface/EtComparator.h"

#include "DataFormats/PatCandidates/interface/Photon.h"

#include "PhysicsTools/PatAlgos/interface/MultiIsolator.h"
#include "PhysicsTools/PatAlgos/interface/EfficiencyLoader.h"
#include "PhysicsTools/PatAlgos/interface/KinResolutionsLoader.h"


#include "DataFormats/PatCandidates/interface/UserData.h"
#include "PhysicsTools/PatAlgos/interface/PATUserDataHelper.h"

namespace pat {

  class PATPhotonProducer : public edm::EDProducer {

    public:

      explicit PATPhotonProducer(const edm::ParameterSet & iConfig);
      ~PATPhotonProducer();

      virtual void produce(edm::Event & iEvent, const edm::EventSetup& iSetup) override;

      static void fillDescriptions(edm::ConfigurationDescriptions & descriptions);

    private:

      // configurables
      edm::EDGetTokenT<edm::View<reco::Photon> > photonToken_;
      bool embedSuperCluster_;

      bool addGenMatch_;
      bool embedGenMatch_;
      std::vector<edm::EDGetTokenT<edm::Association<reco::GenParticleCollection> > > genMatchTokens_;

      // tools
      GreaterByEt<Photon> eTComparator_;

      typedef std::vector< edm::Handle< edm::ValueMap<IsoDeposit> > > IsoDepositMaps;
      typedef std::vector< edm::Handle< edm::ValueMap<double> > > IsolationValueMaps;
      typedef std::pair<pat::IsolationKeys,edm::InputTag> IsolationLabel;
      typedef std::vector<IsolationLabel> IsolationLabels;

      pat::helper::MultiIsolator isolator_;
      pat::helper::MultiIsolator::IsolationValuePairs isolatorTmpStorage_; // better here than recreate at each event
      std::vector<edm::EDGetTokenT<edm::ValueMap<IsoDeposit> > > isoDepositTokens_;
      std::vector<edm::EDGetTokenT<edm::ValueMap<double> > > isolationValueTokens_;
 
      IsolationLabels isoDepositLabels_;
      IsolationLabels isolationValueLabels_;

      template<typename T> void readIsolationLabels( const edm::ParameterSet & iConfig,
                                                     const char* psetName,
                                                     IsolationLabels& labels,
                                                     std::vector<edm::EDGetTokenT<edm::ValueMap<T> > >  & tokens);

      bool addEfficiencies_;
      pat::helper::EfficiencyLoader efficiencyLoader_;

      bool addResolutions_;
      pat::helper::KinResolutionsLoader resolutionLoader_;

      bool          addPhotonID_;
      typedef std::pair<std::string, edm::InputTag> NameTag;
      std::vector<NameTag> photIDSrcs_;
      std::vector<edm::EDGetTokenT<edm::ValueMap<Bool_t> > > photIDTokens_;

      bool useUserData_;
      pat::PATUserDataHelper<pat::Photon>      userDataHelper_;

  };

}


using namespace pat;

template<typename T>
void PATPhotonProducer::readIsolationLabels( const edm::ParameterSet & iConfig,
                                               const char* psetName,
                                               IsolationLabels& labels,
                                               std::vector<edm::EDGetTokenT<edm::ValueMap<T> > > & tokens) {

  labels.clear();

  if (iConfig.exists( psetName )) {
    edm::ParameterSet depconf
      = iConfig.getParameter<edm::ParameterSet>(psetName);

    if (depconf.exists("tracker")) labels.push_back(std::make_pair(pat::TrackIso, depconf.getParameter<edm::InputTag>("tracker")));
    if (depconf.exists("ecal"))    labels.push_back(std::make_pair(pat::EcalIso, depconf.getParameter<edm::InputTag>("ecal")));
    if (depconf.exists("hcal"))    labels.push_back(std::make_pair(pat::HcalIso, depconf.getParameter<edm::InputTag>("hcal")));
    if (depconf.exists("pfAllParticles"))  {
      labels.push_back(std::make_pair(pat::PfAllParticleIso, depconf.getParameter<edm::InputTag>("pfAllParticles")));
    }
    if (depconf.exists("pfChargedHadrons"))  {
      labels.push_back(std::make_pair(pat::PfChargedHadronIso, depconf.getParameter<edm::InputTag>("pfChargedHadrons")));
    }
    if (depconf.exists("pfChargedAll"))  {
      labels.push_back(std::make_pair(pat::PfChargedAllIso, depconf.getParameter<edm::InputTag>("pfChargedAll")));
    }
    if (depconf.exists("pfPUChargedHadrons"))  {
      labels.push_back(std::make_pair(pat::PfPUChargedHadronIso, depconf.getParameter<edm::InputTag>("pfPUChargedHadrons")));
    }
    if (depconf.exists("pfNeutralHadrons"))  {
      labels.push_back(std::make_pair(pat::PfNeutralHadronIso, depconf.getParameter<edm::InputTag>("pfNeutralHadrons")));
    }
    if (depconf.exists("pfPhotons")) {
      labels.push_back(std::make_pair(pat::PfGammaIso, depconf.getParameter<edm::InputTag>("pfPhotons")));
    }
    if (depconf.exists("user")) {
      std::vector<edm::InputTag> userdeps = depconf.getParameter<std::vector<edm::InputTag> >("user");
      std::vector<edm::InputTag>::const_iterator it = userdeps.begin(), ed = userdeps.end();
      int key = UserBaseIso;
      for ( ; it != ed; ++it, ++key) {
       labels.push_back(std::make_pair(IsolationKeys(key), *it));
      }
    }
  }

  tokens = edm::vector_transform(labels, [this](IsolationLabel const & label){return consumes<edm::ValueMap<T> >(label.second);});

}


#endif