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Electron superclustering in DNN using TICL
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,93 @@ | ||
| /** Produce inputs for the superclustering DNN */ | ||
| // Author: Theo Cuisset - [email protected] | ||
| // Date: 11/2023 | ||
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| #ifndef __RecoHGCal_TICL_SuperclusteringDNNInputs_H__ | ||
| #define __RecoHGCal_TICL_SuperclusteringDNNInputs_H__ | ||
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| #include <vector> | ||
| #include <string> | ||
| #include <memory> | ||
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| namespace ticl { | ||
| class Trackster; | ||
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| // Abstract base class for DNN input preparation. | ||
| class AbstractDNNInput { | ||
| public: | ||
| virtual ~AbstractDNNInput() = default; | ||
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| virtual unsigned int featureCount() const { return featureNames().size(); }; | ||
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| /** Get name of features. Used for SuperclusteringSampleDumper branch names (inference does not use the names, only the indices) | ||
| * The default implementation is meant to be overriden by inheriting classes | ||
| */ | ||
| virtual std::vector<std::string> featureNames() const { | ||
| std::vector<std::string> defaultNames; | ||
| defaultNames.reserve(featureCount()); | ||
| for (unsigned int i = 1; i <= featureCount(); i++) { | ||
| defaultNames.push_back(std::string("nb_") + std::to_string(i)); | ||
| } | ||
| return defaultNames; | ||
| } | ||
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| /** Compute feature for seed and candidate pair */ | ||
| virtual std::vector<float> computeVector(ticl::Trackster const& ts_base, ticl::Trackster const& ts_toCluster) = 0; | ||
| }; | ||
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| /* First version of DNN by Alessandro Tarabini. Meant as a DNN equivalent of Moustache algorithm (superclustering algo in ECAL) | ||
| Uses features : ['DeltaEta', 'DeltaPhi', 'multi_en', 'multi_eta', 'multi_pt', 'seedEta','seedPhi','seedEn', 'seedPt'] | ||
| */ | ||
| class DNNInputAlessandroV1 : public AbstractDNNInput { | ||
| public: | ||
| unsigned int featureCount() const override { return 9; } | ||
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| std::vector<float> computeVector(ticl::Trackster const& ts_base, ticl::Trackster const& ts_toCluster) override; | ||
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| std::vector<std::string> featureNames() const override { | ||
| return {"DeltaEtaBaryc", | ||
| "DeltaPhiBaryc", | ||
| "multi_en", | ||
| "multi_eta", | ||
| "multi_pt", | ||
| "seedEta", | ||
| "seedPhi", | ||
| "seedEn", | ||
| "seedPt"}; | ||
| } | ||
| }; | ||
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| /* Second version of DNN by Alessandro Tarabini. | ||
| Uses features : ['DeltaEta', 'DeltaPhi', 'multi_en', 'multi_eta', 'multi_pt', 'seedEta','seedPhi','seedEn', 'seedPt', 'theta', 'theta_xz_seedFrame', 'theta_yz_seedFrame', 'theta_xy_cmsFrame', 'theta_yz_cmsFrame', 'theta_xz_cmsFrame', 'explVar', 'explVarRatio'] | ||
| */ | ||
| class DNNInputAlessandroV2 : public AbstractDNNInput { | ||
| public: | ||
| unsigned int featureCount() const override { return 17; } | ||
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| std::vector<float> computeVector(ticl::Trackster const& ts_base, ticl::Trackster const& ts_toCluster) override; | ||
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| std::vector<std::string> featureNames() const override { | ||
| return {"DeltaEtaBaryc", | ||
| "DeltaPhiBaryc", | ||
| "multi_en", | ||
| "multi_eta", | ||
| "multi_pt", | ||
| "seedEta", | ||
| "seedPhi", | ||
| "seedEn", | ||
| "seedPt", | ||
| "theta", | ||
| "theta_xz_seedFrame", | ||
| "theta_yz_seedFrame", | ||
| "theta_xy_cmsFrame", | ||
| "theta_yz_cmsFrame", | ||
| "theta_xz_cmsFrame", | ||
| "explVar", | ||
| "explVarRatio"}; | ||
| } | ||
| }; | ||
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| std::unique_ptr<AbstractDNNInput> makeDNNInputFromString(std::string dnnVersion); | ||
| } // namespace ticl | ||
|
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| #endif |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,124 @@ | ||
| // Authors : Theo Cuisset <[email protected]>, Shamik Ghosh <[email protected]> | ||
| // Date : 01/2024 | ||
| /* Translates TICL superclusters to ECAL supercluster dataformats (reco::SuperCluster and reco::CaloCluster). Performs similar task as RecoEcal/EgammaCLusterProducers/PFECALSuperClusterProducer */ | ||
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| #include "FWCore/Framework/interface/stream/EDProducer.h" | ||
| #include "FWCore/Framework/interface/Event.h" | ||
| #include "FWCore/Framework/interface/EventSetup.h" | ||
| #include "FWCore/Framework/interface/ConsumesCollector.h" | ||
| #include "FWCore/ParameterSet/interface/ParameterSet.h" | ||
| #include "FWCore/ParameterSet/interface/ParameterSetDescription.h" | ||
| #include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h" | ||
| #include "FWCore/Utilities/interface/EDGetToken.h" | ||
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| #include "DataFormats/EgammaReco/interface/SuperClusterFwd.h" | ||
| #include "DataFormats/EgammaReco/interface/SuperCluster.h" | ||
| #include "DataFormats/EgammaReco/interface/ElectronSeed.h" | ||
| #include "DataFormats/EgammaReco/interface/ElectronSeedFwd.h" | ||
| #include "DataFormats/HGCalReco/interface/Trackster.h" | ||
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| class EGammaSuperclusterProducer : public edm::stream::EDProducer<> { | ||
| public: | ||
| EGammaSuperclusterProducer(const edm::ParameterSet&); | ||
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| void produce(edm::Event&, const edm::EventSetup&) override; | ||
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| static void fillDescriptions(edm::ConfigurationDescriptions& descriptions); | ||
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| private: | ||
| edm::EDGetTokenT<ticl::TracksterCollection> ticlSuperClustersToken_; | ||
| edm::EDGetTokenT<std::vector<std::vector<unsigned int>>> superClusterLinksToken_; | ||
| edm::EDGetTokenT<ticl::TracksterCollection> ticlTrackstersEMToken_; | ||
| edm::EDGetTokenT<reco::CaloClusterCollection> layerClustersToken_; | ||
| }; | ||
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| EGammaSuperclusterProducer::EGammaSuperclusterProducer(const edm::ParameterSet& ps) | ||
| : ticlSuperClustersToken_(consumes<ticl::TracksterCollection>(ps.getParameter<edm::InputTag>("ticlSuperClusters"))), | ||
| superClusterLinksToken_(consumes<std::vector<std::vector<unsigned int>>>( | ||
| edm::InputTag(ps.getParameter<edm::InputTag>("ticlSuperClusters").label(), | ||
| "linkedTracksterIdToInputTracksterId", | ||
| ps.getParameter<edm::InputTag>("ticlSuperClusters").process()))), | ||
| ticlTrackstersEMToken_(consumes<ticl::TracksterCollection>(ps.getParameter<edm::InputTag>("ticlTrackstersEM"))), | ||
| layerClustersToken_(consumes<reco::CaloClusterCollection>(ps.getParameter<edm::InputTag>("layerClusters"))) { | ||
| produces<reco::SuperClusterCollection>(); | ||
| produces<reco::CaloClusterCollection>(); // The CaloCluster corresponding to each EM trackster | ||
| } | ||
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| void EGammaSuperclusterProducer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup) { | ||
| auto const& ticlSuperclusters = iEvent.get(ticlSuperClustersToken_); | ||
| auto const& ticlSuperclusterLinks = iEvent.get(superClusterLinksToken_); | ||
| auto emTracksters_h = iEvent.getHandle(ticlTrackstersEMToken_); | ||
| auto const& emTracksters = *emTracksters_h; | ||
| auto const& layerClusters = iEvent.get(layerClustersToken_); | ||
| // Output collections : | ||
| auto egammaSuperclusters = std::make_unique<reco::SuperClusterCollection>(); | ||
| auto caloClustersEM = std::make_unique<reco::CaloClusterCollection>(); | ||
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| // Fill reco::CaloCluster collection (1-1 mapping to TICL EM tracksters) | ||
| for (ticl::Trackster const& emTrackster : emTracksters) { | ||
| std::vector<std::pair<DetId, float>> hitsAndFractions; | ||
| int iLC = 0; | ||
| std::for_each(std::begin(emTrackster.vertices()), std::end(emTrackster.vertices()), [&](unsigned int lcId) { | ||
| const auto fraction = 1.f / emTrackster.vertex_multiplicity(iLC++); | ||
| for (const auto& cell : layerClusters[lcId].hitsAndFractions()) { | ||
| hitsAndFractions.emplace_back(cell.first, cell.second * fraction); | ||
| } | ||
| }); | ||
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| reco::CaloCluster& caloCluster = caloClustersEM->emplace_back( | ||
| emTrackster.regressed_energy(), // energy | ||
| math::XYZPoint(emTrackster.barycenter()), // position | ||
| reco::CaloID(reco::CaloID::DET_HGCAL_ENDCAP), | ||
| hitsAndFractions, | ||
| reco::CaloCluster::particleFlow, // algoID (copying from output of PFECALCSuperClusterProducer) | ||
| hitsAndFractions.at(0).first // seedId : TODO figure out if needed or if we need to put the highest energy hit | ||
| ); | ||
| caloCluster.setCorrectedEnergy(emTrackster.regressed_energy()); | ||
| } | ||
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| edm::OrphanHandle<reco::CaloClusterCollection> caloClustersEM_h = iEvent.put(std::move(caloClustersEM)); | ||
|
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| // Fill reco::SuperCluster collection | ||
| assert(ticlSuperclusters.size() == ticlSuperclusterLinks.size()); | ||
| for (std::size_t sc_i = 0; sc_i < ticlSuperclusters.size(); sc_i++) { | ||
| ticl::Trackster const& ticlSupercluster = ticlSuperclusters[sc_i]; | ||
| std::vector<unsigned int> const& superclusterLink = ticlSuperclusterLinks[sc_i]; | ||
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| reco::CaloClusterPtrVector trackstersEMInSupercluster; | ||
| /* TODO : for now, set as SuperCluster regressed energy the sum of regressed energies of CLUE3D EM tracksters | ||
| A regression will most likely be included here */ | ||
| double regressedEnergySum = 0.; | ||
| for (unsigned int tsInSc_id : superclusterLink) { | ||
| trackstersEMInSupercluster.push_back(reco::CaloClusterPtr(caloClustersEM_h, tsInSc_id)); | ||
| regressedEnergySum += emTracksters[tsInSc_id].regressed_energy(); | ||
| } | ||
| reco::SuperCluster& egammaSc = egammaSuperclusters->emplace_back( | ||
| ticlSupercluster.raw_energy(), | ||
| reco::SuperCluster::Point(ticlSupercluster.barycenter()), | ||
| reco::CaloClusterPtr(caloClustersEM_h, | ||
| superclusterLink[0]), // seed (first trackster in superclusterLink is the seed) | ||
| trackstersEMInSupercluster, // clusters | ||
| 0., // Epreshower | ||
| 0.046, // phiwidth (TODO placeholder value for now) | ||
| 0.017 // etawidth (TODO placeholder value for now) | ||
| ); | ||
| egammaSc.setCorrectedEnergy(regressedEnergySum); | ||
| // correctedEnergyUncertainty is left at its default value for now | ||
| } | ||
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| iEvent.put(std::move(egammaSuperclusters)); | ||
| } | ||
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| void EGammaSuperclusterProducer::fillDescriptions(edm::ConfigurationDescriptions& descriptions) { | ||
| edm::ParameterSetDescription desc; | ||
| desc.add<edm::InputTag>("ticlSuperClusters", edm::InputTag("ticlTracksterLinksSuperclustering")); | ||
| desc.add<edm::InputTag>("ticlTrackstersEM", edm::InputTag("ticlTrackstersCLUE3DHigh")) | ||
| ->setComment("The trackster collection used before superclustering, ie CLUE3D EM tracksters"); | ||
| desc.add<edm::InputTag>("layerClusters", edm::InputTag("hgcalMergeLayerClusters")) | ||
| ->setComment("The layer cluster collection that goes with ticlTrackstersEM"); | ||
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| descriptions.add("ticlEGammaSuperClusterProducer", desc); | ||
| } | ||
|
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| #include "FWCore/Framework/interface/MakerMacros.h" | ||
| DEFINE_FWK_MODULE(EGammaSuperclusterProducer); |
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