NeutralCandidateConverter.h

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#ifndef RecoBTag_FeatureTools_NeutralCandidateConverter_h
#define RecoBTag_FeatureTools_NeutralCandidateConverter_h

#include "RecoBTag/FeatureTools/interface/deep_helpers.h"
#include "DataFormats/BTauReco/interface/NeutralCandidateFeatures.h"

#include "DataFormats/PatCandidates/interface/PackedCandidate.h"
#include "DataFormats/ParticleFlowCandidate/interface/PFCandidate.h"
#include "DataFormats/JetReco/interface/Jet.h"
#include "DataFormats/PatCandidates/interface/Jet.h"


namespace btagbtvdeep {



  void packedCandidateToFeatures(const pat::PackedCandidate * n_pf,
                 const pat::Jet & jet,
                 const float drminpfcandsv, const float jetR,
                 NeutralCandidateFeatures & n_pf_features) ;


  void recoCandidateToFeatures(const reco::PFCandidate * n_pf,
                   const reco::Jet & jet,
                   const float drminpfcandsv, const float jetR, const float puppiw,
                   NeutralCandidateFeatures & n_pf_features) ;


  template <typename CandidateType>
  static void commonCandidateToFeatures(const CandidateType* n_pf,
                                        const reco::Jet& jet,
                                        const float& drminpfcandsv,
                                        const float& jetR,
                                        NeutralCandidateFeatures& n_pf_features) {
    const auto* patJet = dynamic_cast<const pat::Jet*>(&jet);

    if (!patJet) {
      throw edm::Exception(edm::errors::InvalidReference) << "Input is not a pat::Jet.";
    }
    // Do Subjets
    if (patJet->nSubjetCollections() > 0) {
      auto subjets = patJet->subjets();
      // sort by pt
      std::sort(subjets.begin(), subjets.end(), [](const edm::Ptr<pat::Jet>& p1, const edm::Ptr<pat::Jet>& p2) {
        return p1->pt() > p2->pt();
      });
      n_pf_features.drsubjet1 = !subjets.empty() ? reco::deltaR(*n_pf, *subjets.at(0)) : -1;
      n_pf_features.drsubjet2 = subjets.size() > 1 ? reco::deltaR(*n_pf, *subjets.at(1)) : -1;
    } else {
      n_pf_features.drsubjet1 = -1;
      n_pf_features.drsubjet2 = -1;
    }

    // Jet relative vars
    n_pf_features.ptrel = catch_infs_and_bound(n_pf->pt() / jet.pt(), 0, -1, 0, -1);
    n_pf_features.ptrel_noclip = n_pf->pt() / jet.pt();
    n_pf_features.deltaR = catch_infs_and_bound(reco::deltaR(*n_pf, jet), 0, -0.6, 0, -0.6);
    n_pf_features.deltaR_noclip = reco::deltaR(*n_pf, jet);
    n_pf_features.erel = n_pf->energy() / jet.energy();
    n_pf_features.isGamma = 0;
    if(std::abs(n_pf->pdgId())==22)  n_pf_features.isGamma = 1;


    n_pf_features.drminsv = catch_infs_and_bound(drminpfcandsv,
                         0,-1.*jetR,0,-1.*jetR);

  }



}

#endif //RecoBTag_FeatureTools_NeutralCandidateConverter_h