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File indexing completed on 2024-05-29 23:13:14

0001 // user include files
0002 
0003 #include "DQMServices/Core/interface/DQMEDAnalyzer.h"
0004 #include "FWCore/Framework/interface/Frameworkfwd.h"
0005 #include "FWCore/Framework/interface/one/EDAnalyzer.h"
0006 
0007 #include "FWCore/Framework/interface/Event.h"
0008 #include "FWCore/Framework/interface/MakerMacros.h"
0009 
0010 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0011 
0012 #include "DQMServices/Core/interface/DQMStore.h"
0013 
0014 #include "DataFormats/DetId/interface/DetId.h"
0015 #include "DataFormats/CaloRecHit/interface/CaloClusterFwd.h"
0016 #include "DataFormats/HGCRecHit/interface/HGCRecHitCollections.h"
0017 #include "DataFormats/ParticleFlowReco/interface/PFCluster.h"
0018 #include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
0019 #include "DataFormats/EgammaCandidates/interface/Photon.h"
0020 
0021 #include "SimDataFormats/CaloAnalysis/interface/CaloParticle.h"
0022 #include "SimDataFormats/CaloAnalysis/interface/SimCluster.h"
0023 #include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h"
0024 #include "SimDataFormats/TrackingAnalysis/interface/TrackingVertex.h"
0025 
0026 #include "Geometry/CaloGeometry/interface/CaloGeometry.h"
0027 #include "Geometry/Records/interface/CaloGeometryRecord.h"
0028 
0029 #include "RecoLocalCalo/HGCalRecAlgos/interface/RecHitTools.h"
0030 
0031 #include <map>
0032 #include <array>
0033 #include <string>
0034 #include <numeric>
0035 
0036 class HGCalShowerSeparation : public DQMEDAnalyzer {
0037 public:
0038   explicit HGCalShowerSeparation(const edm::ParameterSet&);
0039   ~HGCalShowerSeparation() override = default;
0040 
0041   static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
0042 
0043 private:
0044   void bookHistograms(DQMStore::IBooker&, edm::Run const&, edm::EventSetup const&) override;
0045   void analyze(const edm::Event&, const edm::EventSetup&) override;
0046 
0047   void fillWithRecHits(std::unordered_map<DetId, const unsigned int>&, DetId, unsigned int, float, int&, float&);
0048 
0049   edm::EDGetTokenT<std::unordered_map<DetId, const unsigned int>> hitMap_;
0050   edm::EDGetTokenT<std::vector<CaloParticle>> caloParticles_;
0051   const edm::ESGetToken<CaloGeometry, CaloGeometryRecord> tok_geom_;
0052   std::vector<edm::InputTag> hits_label;
0053   std::vector<edm::EDGetTokenT<HGCRecHitCollection>> hits_token_;
0054 
0055   int debug_;
0056   bool filterOnEnergyAndCaloP_;
0057   hgcal::RecHitTools recHitTools_;
0058   std::vector<HGCRecHit> hits_;
0059 
0060   MonitorElement* eta1_;
0061   MonitorElement* eta2_;
0062   MonitorElement* energy1_;
0063   MonitorElement* energy2_;
0064   MonitorElement* energytot_;
0065   MonitorElement* scEnergy_;
0066   MonitorElement* showerProfile_;
0067   MonitorElement* layerEnergy_;
0068   MonitorElement* layerDistance_;
0069   MonitorElement* etaPhi_;
0070   MonitorElement* deltaEtaPhi_;
0071   std::vector<MonitorElement*> profileOnLayer_;
0072   std::vector<MonitorElement*> globalProfileOnLayer_;
0073   std::vector<MonitorElement*> distanceOnLayer_;
0074   std::vector<MonitorElement*> idealDistanceOnLayer_;
0075   std::vector<MonitorElement*> idealDeltaXY_;
0076   std::vector<MonitorElement*> centers_;
0077 
0078   static constexpr int layers_ = 52;
0079 };
0080 
0081 HGCalShowerSeparation::HGCalShowerSeparation(const edm::ParameterSet& iConfig)
0082     : tok_geom_(esConsumes<CaloGeometry, CaloGeometryRecord>()),
0083       debug_(iConfig.getParameter<int>("debug")),
0084       filterOnEnergyAndCaloP_(iConfig.getParameter<bool>("filterOnEnergyAndCaloP")) {
0085   auto hitMapInputTag = iConfig.getParameter<edm::InputTag>("hitMapTag");
0086   auto caloParticles = iConfig.getParameter<edm::InputTag>("caloParticles");
0087   hitMap_ = consumes<std::unordered_map<DetId, const unsigned int>>(hitMapInputTag);
0088   caloParticles_ = consumes<std::vector<CaloParticle>>(caloParticles);
0089   auto hits_label_ = iConfig.getParameter<std::vector<edm::InputTag>>("hits");
0090 
0091   for (auto& label : hits_label_) {
0092     hits_token_.push_back(consumes<HGCRecHitCollection>(label));
0093   }
0094 }
0095 
0096 void HGCalShowerSeparation::bookHistograms(DQMStore::IBooker& ibooker, edm::Run const& iRun, edm::EventSetup const&) {
0097   ibooker.cd();
0098   ibooker.setCurrentFolder("HGCalShowerSeparation");
0099   scEnergy_ = ibooker.book1D("SCEnergy", "SCEnergy", 240, 0., 120.);
0100   eta1_ = ibooker.book1D("eta1", "eta1", 80, 0., 4.);
0101   eta2_ = ibooker.book1D("eta2", "eta2", 80, 0., 4.);
0102   energy1_ = ibooker.book1D("energy1", "energy1", 240, 0., 120.);
0103   energy2_ = ibooker.book1D("energy2", "energy2", 240, 0., 120.);
0104   energytot_ = ibooker.book1D("energytot", "energytot", 200, 100., 200.);
0105   showerProfile_ = ibooker.book2D("ShowerProfile", "ShowerProfile", 800, -400., 400., layers_, 0., (float)layers_);
0106   layerEnergy_ = ibooker.book2D("LayerEnergy", "LayerEnergy", 60, 0., 60., 50, 0., 0.1);
0107   layerDistance_ = ibooker.book2D("LayerDistance", "LayerDistance", 60, 0., 60., 400, -400., 400.);
0108   etaPhi_ = ibooker.book2D("EtaPhi", "EtaPhi", 800, -4., 4., 800, -4., 4.);
0109   deltaEtaPhi_ = ibooker.book2D("DeltaEtaPhi", "DeltaEtaPhi", 100, -0.5, 0.5, 100, -0.5, 0.5);
0110   for (int i = 0; i < layers_; ++i) {
0111     profileOnLayer_.push_back(ibooker.book2D(std::string("ProfileOnLayer_") + std::to_string(i),
0112                                              std::string("ProfileOnLayer_") + std::to_string(i),
0113                                              120,
0114                                              -600.,
0115                                              600.,
0116                                              120,
0117                                              -600.,
0118                                              600.));
0119     globalProfileOnLayer_.push_back(ibooker.book2D(std::string("GlobalProfileOnLayer_") + std::to_string(i),
0120                                                    std::string("GlobalProfileOnLayer_") + std::to_string(i),
0121                                                    320,
0122                                                    -160.,
0123                                                    160.,
0124                                                    320,
0125                                                    -160.,
0126                                                    160.));
0127     distanceOnLayer_.push_back(ibooker.book1D(std::string("DistanceOnLayer_") + std::to_string(i),
0128                                               std::string("DistanceOnLayer_") + std::to_string(i),
0129                                               120,
0130                                               -600.,
0131                                               600.));
0132     idealDistanceOnLayer_.push_back(ibooker.book1D(std::string("IdealDistanceOnLayer_") + std::to_string(i),
0133                                                    std::string("IdealDistanceOnLayer_") + std::to_string(i),
0134                                                    120,
0135                                                    -600.,
0136                                                    600.));
0137     idealDeltaXY_.push_back(ibooker.book2D(std::string("IdealDeltaXY_") + std::to_string(i),
0138                                            std::string("IdealDeltaXY_") + std::to_string(i),
0139                                            800,
0140                                            -400.,
0141                                            400.,
0142                                            800,
0143                                            -400.,
0144                                            400.));
0145     centers_.push_back(ibooker.book2D(std::string("Centers_") + std::to_string(i),
0146                                       std::string("Centers_") + std::to_string(i),
0147                                       320,
0148                                       -1600.,
0149                                       1600.,
0150                                       320,
0151                                       -1600.,
0152                                       1600.));
0153   }
0154 }
0155 
0156 void HGCalShowerSeparation::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
0157   recHitTools_.setGeometry(iSetup.getData(tok_geom_));
0158 
0159   for (auto& token : hits_token_) {
0160     edm::Handle<HGCRecHitCollection> hits_handle;
0161     iEvent.getByToken(token, hits_handle);
0162     hits_.insert(hits_.end(), (*hits_handle).begin(), (*hits_handle).end());
0163   }
0164 
0165   const edm::Handle<std::vector<CaloParticle>>& caloParticleHandle = iEvent.getHandle(caloParticles_);
0166   const std::vector<CaloParticle>& caloParticles = *(caloParticleHandle.product());
0167 
0168   edm::Handle<std::unordered_map<DetId, const unsigned int>> hitMapHandle;
0169   iEvent.getByToken(hitMap_, hitMapHandle);
0170   const auto hitmap = *hitMapHandle;
0171 
0172   // loop over caloParticles
0173   IfLogTrace(debug_ > 0, "HGCalShowerSeparation") << "Number of caloParticles: " << caloParticles.size() << std::endl;
0174   if (caloParticles.size() == 2) {
0175     auto eta1 = caloParticles[0].eta();
0176     auto phi1 = caloParticles[0].phi();
0177     auto theta1 = 2. * std::atan(exp(-eta1));
0178     auto eta2 = caloParticles[1].eta();
0179     auto phi2 = caloParticles[1].phi();
0180     auto theta2 = 2. * std::atan(exp(-eta2));
0181     eta1_->Fill(eta1);
0182     eta2_->Fill(eta2);
0183 
0184     // Select event only if the sum of the energy of its recHits
0185     // is close enough to the gen energy
0186     int count = 0;
0187     int size = 0;
0188     float energy = 0.;
0189     float energy_tmp = 0.;
0190     for (const auto& it_caloPart : caloParticles) {
0191       count++;
0192       const SimClusterRefVector& simClusterRefVector = it_caloPart.simClusters();
0193       size += simClusterRefVector.size();
0194       for (const auto& it_sc : simClusterRefVector) {
0195         const SimCluster& simCluster = (*(it_sc));
0196         const std::vector<std::pair<uint32_t, float>>& hits_and_fractions = simCluster.hits_and_fractions();
0197         for (const auto& it_haf : hits_and_fractions) {
0198           if (hitmap.count(it_haf.first)) {
0199             const HGCRecHit* hit = &(hits_[hitmap.at(it_haf.first)]);
0200             energy += hit->energy() * it_haf.second;
0201           }
0202         }  //hits and fractions
0203       }    // simcluster
0204       if (count == 1) {
0205         energy1_->Fill(energy);
0206         energy_tmp = energy;
0207       } else {
0208         energy2_->Fill(energy - energy_tmp);
0209       }
0210     }  // caloParticle
0211     energytot_->Fill(energy);
0212     if (filterOnEnergyAndCaloP_ && (energy < 2. * 0.8 * 80 or size != 2))
0213       return;
0214 
0215     deltaEtaPhi_->Fill(eta1 - eta2, phi1 - phi2);
0216 
0217     for (const auto& it_caloPart : caloParticles) {
0218       const SimClusterRefVector& simClusterRefVector = it_caloPart.simClusters();
0219       IfLogTrace(debug_ > 0, "HGCalShowerSeparation") << ">>> " << simClusterRefVector.size() << std::endl;
0220       for (const auto& it_sc : simClusterRefVector) {
0221         const SimCluster& simCluster = (*(it_sc));
0222         if (simCluster.energy() < 80 * 0.8)
0223           continue;
0224         scEnergy_->Fill(simCluster.energy());
0225         IfLogTrace(debug_ > 1, "HGCalShowerSeparation")
0226             << ">>> SC.energy(): " << simCluster.energy() << " SC.simEnergy(): " << simCluster.simEnergy() << std::endl;
0227         const std::vector<std::pair<uint32_t, float>>& hits_and_fractions = simCluster.hits_and_fractions();
0228 
0229         for (const auto& it_haf : hits_and_fractions) {
0230           if (!hitmap.count(it_haf.first))
0231             continue;
0232           unsigned int hitlayer = recHitTools_.getLayerWithOffset(it_haf.first);
0233           auto global = recHitTools_.getPosition(it_haf.first);
0234           float globalx = global.x();
0235           float globaly = global.y();
0236           float globalz = global.z();
0237           if (globalz == 0)
0238             continue;
0239           auto rho1 = globalz * tan(theta1);
0240           auto rho2 = globalz * tan(theta2);
0241           auto x1 = rho1 * cos(phi1);
0242           auto y1 = rho1 * sin(phi1);
0243           auto x2 = rho2 * cos(phi2);
0244           auto y2 = rho2 * sin(phi2);
0245           auto half_point_x = (x1 + x2) / 2.;
0246           auto half_point_y = (y1 + y2) / 2.;
0247           auto half_point = sqrt((x1 - half_point_x) * (x1 - half_point_x) + (y1 - half_point_y) * (y1 - half_point_y));
0248           auto d_len = sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
0249           auto dn_x = (x2 - x1) / d_len;
0250           auto dn_y = (y2 - y1) / d_len;
0251           auto distance = (globalx - x1) * dn_x + (globaly - y1) * dn_y;
0252           distance -= half_point;
0253           auto idealDistance = sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
0254           if (hitmap.count(it_haf.first)) {
0255             const HGCRecHit* hit = &(hits_[hitmap.at(it_haf.first)]);
0256             profileOnLayer_[hitlayer]->Fill(
0257                 10. * (globalx - half_point_x), 10. * (globaly - half_point_y), hit->energy() * it_haf.second);
0258             profileOnLayer_[55]->Fill(
0259                 10. * (globalx - half_point_x), 10. * (globaly - half_point_y), hit->energy() * it_haf.second);
0260             globalProfileOnLayer_[hitlayer]->Fill(globalx, globaly, hit->energy() * it_haf.second);
0261             globalProfileOnLayer_[55]->Fill(globalx, globaly, hit->energy() * it_haf.second);
0262             layerEnergy_->Fill(hitlayer, hit->energy());
0263             layerDistance_->Fill(hitlayer, std::abs(10. * distance), hit->energy() * it_haf.second);
0264             etaPhi_->Fill(global.eta(), global.phi());
0265             distanceOnLayer_[hitlayer]->Fill(10. * distance);                  //,
0266             idealDistanceOnLayer_[hitlayer]->Fill(10. * idealDistance);        //,
0267             idealDeltaXY_[hitlayer]->Fill(10. * (x1 - x2), 10. * (y1 - y2));   //,
0268             centers_[hitlayer]->Fill(10. * half_point_x, 10. * half_point_y);  //,
0269             IfLogTrace(debug_ > 0, "HGCalShowerSeparation")
0270                 << ">>> " << distance << " " << hitlayer << " " << hit->energy() * it_haf.second << std::endl;
0271             showerProfile_->Fill(10. * distance, hitlayer, hit->energy() * it_haf.second);
0272           }
0273         }  // end simHit
0274       }    // end simCluster
0275     }      // end caloparticle
0276   }
0277 }
0278 
0279 // ------------ method fills 'descriptions' with the allowed parameters for the
0280 // module  ------------
0281 void HGCalShowerSeparation::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0282   edm::ParameterSetDescription desc;
0283   desc.add<int>("debug", 1);
0284   desc.add<bool>("filterOnEnergyAndCaloP", false);
0285   desc.add<edm::InputTag>("caloParticles", edm::InputTag("mix", "MergedCaloTruth"));
0286   desc.add<edm::InputTag>("hitMapTag", edm::InputTag("recHitMapProducer", "hgcalRecHitMap"));
0287   desc.add<std::vector<edm::InputTag>>("hits",
0288                                        {edm::InputTag("HGCalRecHit", "HGCEERecHits"),
0289                                         edm::InputTag("HGCalRecHit", "HGCHEFRecHits"),
0290                                         edm::InputTag("HGCalRecHit", "HGCHEBRecHits")});
0291   descriptions.add("hgcalShowerSeparationDefault", desc);
0292 }
0293 
0294 // define this as a plug-in
0295 DEFINE_FWK_MODULE(HGCalShowerSeparation);