File indexing completed on 2024-04-06 12:25:08
0001 #include "RecoEgamma/ElectronIdentification/interface/ElectronDNNEstimator.h"
0002 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0003 #include "FWCore/Utilities/interface/FileInPath.h"
0004 #include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
0005
0006 #include <iostream>
0007 #include <fstream>
0008 #include <memory>
0009
0010 using namespace std::placeholders;
0011
0012 inline uint electronModelSelector(
0013 const std::map<std::string, float>& vars, float ptThr, float etaThr, float endcapBoundary, float extEtaBoundary) {
0014
0015
0016
0017 const auto pt = vars.at("pt");
0018 const auto absEta = std::abs(vars.at("superCluster.eta"));
0019 if (absEta <= endcapBoundary) {
0020 if (pt < ptThr)
0021 return 0;
0022 else {
0023 if (absEta <= etaThr) {
0024 return 1;
0025 } else {
0026 return 2;
0027 }
0028 }
0029 } else {
0030 if (absEta < extEtaBoundary)
0031 return 3;
0032 else {
0033 return 4;
0034 }
0035 }
0036 }
0037
0038 ElectronDNNEstimator::ElectronDNNEstimator(const egammaTools::DNNConfiguration& cfg, const bool useEBModelInGap)
0039 : dnnHelper_(cfg,
0040 std::bind(electronModelSelector,
0041 _1,
0042 ElectronDNNEstimator::ptThreshold,
0043 (useEBModelInGap) ? ElectronDNNEstimator::ecalBarrelMaxEtaWithGap
0044 : ElectronDNNEstimator::ecalBarrelMaxEtaNoGap,
0045 ElectronDNNEstimator::endcapBoundary,
0046 ElectronDNNEstimator::extEtaBoundary),
0047 ElectronDNNEstimator::dnnAvaibleInputs),
0048 useEBModelInGap_(useEBModelInGap) {}
0049
0050 std::vector<tensorflow::Session*> ElectronDNNEstimator::getSessions() const { return dnnHelper_.getSessions(); };
0051
0052 const std::vector<std::string> ElectronDNNEstimator::dnnAvaibleInputs = {
0053 {"pt",
0054 "eta",
0055 "fbrem",
0056 "abs(deltaEtaSuperClusterTrackAtVtx)",
0057 "abs(deltaPhiSuperClusterTrackAtVtx)",
0058 "full5x5_sigmaIetaIeta",
0059 "full5x5_hcalOverEcal",
0060 "eSuperClusterOverP",
0061 "full5x5_e1x5",
0062 "eEleClusterOverPout",
0063 "closestCtfTrackNormChi2",
0064 "closestCtfTrackNLayers",
0065 "gsfTrack.missing_inner_hits",
0066 "dr03TkSumPt",
0067 "dr03EcalRecHitSumEt",
0068 "dr03HcalTowerSumEt",
0069 "gsfTrack.normalizedChi2",
0070 "superCluster.eta",
0071 "ecalPFClusterIso",
0072 "hcalPFClusterIso",
0073 "numberOfBrems",
0074 "abs(deltaEtaSeedClusterTrackAtCalo)",
0075 "hadronicOverEm",
0076 "full5x5_e2x5Max",
0077 "full5x5_e5x5",
0078 "full5x5_sigmaIphiIphi",
0079 "1_minus_full5x5_e1x5_ratio_full5x5_e5x5",
0080 "full5x5_e1x5_ratio_full5x5_e5x5",
0081 "full5x5_r9",
0082 "gsfTrack.trackerLayersWithMeasurement",
0083 "gsfTrack.numberOfValidPixelBarrelHits",
0084 "gsfTrack.numberOfValidPixelEndcapHits",
0085 "superCluster.energy",
0086 "superCluster.rawEnergy",
0087 "superClusterFbrem",
0088 "1_ratio_ecalEnergy_minus_1_ratio_trackMomentumAtVtx.R",
0089 "superCluster.preshowerEnergy_ratio_superCluster.rawEnergy",
0090 "convVtxFitProb",
0091 "superCluster.clustersSize",
0092 "ecalEnergyError_ratio_ecalEnergy",
0093 "superClusterFbrem_plus_superCluster.energy",
0094 "superClusterFbrem_plus_superCluster.rawEnergy",
0095 "trackMomentumError",
0096 "trackMomentumError_ratio_pt",
0097 "full5x5_e5x5_ratio_superCluster.rawEnergy",
0098 "full5x5_e5x5_ratio_superCluster.energy"}};
0099
0100 std::map<std::string, float> ElectronDNNEstimator::getInputsVars(const reco::GsfElectron& ele) const {
0101
0102 std::map<std::string, float> variables;
0103 variables["pt"] = ele.pt();
0104 variables["eta"] = ele.eta();
0105 variables["fbrem"] = ele.fbrem();
0106 variables["abs(deltaEtaSuperClusterTrackAtVtx)"] = std::abs(ele.deltaEtaSuperClusterTrackAtVtx());
0107 variables["abs(deltaPhiSuperClusterTrackAtVtx)"] = std::abs(ele.deltaPhiSuperClusterTrackAtVtx());
0108 variables["full5x5_sigmaIetaIeta"] = ele.full5x5_sigmaIetaIeta();
0109 variables["full5x5_hcalOverEcal"] = ele.full5x5_hcalOverEcalValid() ? ele.full5x5_hcalOverEcal() : 0;
0110 variables["eSuperClusterOverP"] = ele.eSuperClusterOverP();
0111 variables["full5x5_e1x5"] = ele.full5x5_e1x5();
0112 variables["eEleClusterOverPout"] = ele.eEleClusterOverPout();
0113 variables["closestCtfTrackNormChi2"] = ele.closestCtfTrackNormChi2();
0114 variables["closestCtfTrackNLayers"] = ele.closestCtfTrackNLayers();
0115 variables["gsfTrack.missing_inner_hits"] =
0116 ele.gsfTrack()->hitPattern().numberOfLostHits(reco::HitPattern::MISSING_INNER_HITS);
0117 variables["dr03TkSumPt"] = ele.dr03TkSumPt();
0118 variables["dr03EcalRecHitSumEt"] = ele.dr03EcalRecHitSumEt();
0119 variables["dr03HcalTowerSumEt"] = ele.dr03HcalTowerSumEt();
0120 variables["gsfTrack.normalizedChi2"] = ele.gsfTrack()->normalizedChi2();
0121 variables["superCluster.eta"] = ele.superCluster()->eta();
0122 variables["ecalPFClusterIso"] = ele.ecalPFClusterIso();
0123 variables["hcalPFClusterIso"] = ele.hcalPFClusterIso();
0124 variables["numberOfBrems"] = ele.numberOfBrems();
0125 variables["abs(deltaEtaSeedClusterTrackAtCalo)"] = std::abs(ele.deltaEtaSeedClusterTrackAtCalo());
0126 variables["hadronicOverEm"] = ele.hcalOverEcalValid() ? ele.hadronicOverEm() : 0;
0127 variables["full5x5_e2x5Max"] = ele.full5x5_e2x5Max();
0128 variables["full5x5_e5x5"] = ele.full5x5_e5x5();
0129
0130 variables["full5x5_sigmaIphiIphi"] = ele.full5x5_sigmaIphiIphi();
0131 variables["1_minus_full5x5_e1x5_ratio_full5x5_e5x5"] = 1 - ele.full5x5_e1x5() / ele.full5x5_e5x5();
0132 variables["full5x5_e1x5_ratio_full5x5_e5x5"] = ele.full5x5_e1x5() / ele.full5x5_e5x5();
0133 variables["full5x5_r9"] = ele.full5x5_r9();
0134 variables["gsfTrack.trackerLayersWithMeasurement"] = ele.gsfTrack()->hitPattern().trackerLayersWithMeasurement();
0135 variables["gsfTrack.numberOfValidPixelBarrelHits"] = ele.gsfTrack()->hitPattern().numberOfValidPixelBarrelHits();
0136 variables["gsfTrack.numberOfValidPixelEndcapHits"] = ele.gsfTrack()->hitPattern().numberOfValidPixelEndcapHits();
0137 variables["superCluster.energy"] = ele.superCluster()->energy();
0138 variables["superCluster.rawEnergy"] = ele.superCluster()->rawEnergy();
0139 variables["superClusterFbrem"] = ele.superClusterFbrem();
0140 variables["1_ratio_ecalEnergy_minus_1_ratio_trackMomentumAtVtx.R"] =
0141 1 / ele.ecalEnergy() - 1 / ele.trackMomentumAtVtx().R();
0142 variables["superCluster.preshowerEnergy_ratio_superCluster.rawEnergy"] =
0143 ele.superCluster()->preshowerEnergy() / ele.superCluster()->rawEnergy();
0144 variables["convVtxFitProb"] = ele.convVtxFitProb();
0145 variables["superCluster.clustersSize"] = ele.superCluster()->clustersSize();
0146 variables["ecalEnergyError_ratio_ecalEnergy"] = ele.ecalEnergyError() / ele.ecalEnergy();
0147 variables["superClusterFbrem_plus_superCluster.energy"] = ele.superClusterFbrem() + ele.superCluster()->energy();
0148 variables["superClusterFbrem_plus_superCluster.rawEnergy"] =
0149 ele.superClusterFbrem() + ele.superCluster()->rawEnergy();
0150 variables["trackMomentumError"] = ele.trackMomentumError();
0151 variables["trackMomentumError_ratio_pt"] = ele.trackMomentumError() / ele.pt();
0152 variables["full5x5_e5x5_ratio_superCluster.rawEnergy"] = ele.full5x5_e5x5() / ele.superCluster()->rawEnergy();
0153 variables["full5x5_e5x5_ratio_superCluster.energy"] = ele.full5x5_e5x5() / ele.superCluster()->energy();
0154
0155
0156 return variables;
0157 }
0158
0159 std::vector<std::pair<uint, std::vector<float>>> ElectronDNNEstimator::evaluate(
0160 const reco::GsfElectronCollection& electrons, const std::vector<tensorflow::Session*>& sessions) const {
0161
0162
0163 std::vector<std::map<std::string, float>> inputs;
0164 for (const auto& ele : electrons) {
0165 inputs.push_back(getInputsVars(ele));
0166 }
0167 return dnnHelper_.evaluate(inputs, sessions);
0168 }