HcalIsoTrackAnalysis

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532
// system include files
#include <memory>
#include <string>
#include <vector>

// Root objects
#include "TH1D.h"

#include "CondFormats/DataRecord/interface/EcalPFRecHitThresholdsRcd.h"
#include "CondFormats/EcalObjects/interface/EcalPFRecHitThresholds.h"

#include "DataFormats/EcalRecHit/interface/EcalRecHitCollections.h"
#include "DataFormats/HcalRecHit/interface/HcalRecHitCollections.h"

//Tracks
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/TrackReco/interface/HitPattern.h"
#include "DataFormats/TrackReco/interface/TrackBase.h"
// Vertices
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/BeamSpot/interface/BeamSpot.h"
//Generator information
#include "SimDataFormats/GeneratorProducts/interface/GenEventInfoProduct.h"

#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/one/EDAnalyzer.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "CommonTools/UtilAlgos/interface/TFileService.h"

#include "Calibration/IsolatedParticles/interface/CaloPropagateTrack.h"
#include "Calibration/IsolatedParticles/interface/ChargeIsolation.h"
#include "Calibration/IsolatedParticles/interface/eCone.h"
#include "Calibration/IsolatedParticles/interface/TrackSelection.h"

#include "MagneticField/Engine/interface/MagneticField.h"
#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "Geometry/Records/interface/CaloGeometryRecord.h"

//#define EDM_ML_DEBUG

class HcalIsoTrackAnalysis : public edm::one::EDAnalyzer<edm::one::WatchRuns, edm::one::SharedResources> {
public:
  explicit HcalIsoTrackAnalysis(edm::ParameterSet const&);
  ~HcalIsoTrackAnalysis() override {}

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

private:
  void analyze(edm::Event const&, edm::EventSetup const&) override;
  void beginJob() override;
  void beginRun(edm::Run const&, edm::EventSetup const&) override {}
  void endRun(edm::Run const&, edm::EventSetup const&) override {}

  spr::trackSelectionParameters selectionParameter_;
  const std::string theTrackQuality_;
  const std::vector<double> maxDxyPV_, maxDzPV_, maxChi2_, maxDpOverP_;
  const std::vector<int> minOuterHit_, minLayerCrossed_;
  const std::vector<int> maxInMiss_, maxOutMiss_;
  const double a_coneR_, a_mipR_;
  const double pTrackLow_, pTrackHigh_;
  const int useRaw_, dataType_, etaMin_, etaMax_;
  const double hitEthrEB_, hitEthrEE0_, hitEthrEE1_;
  const double hitEthrEE2_, hitEthrEE3_;
  const double hitEthrEELo_, hitEthrEEHi_;
  const std::string labelGenTrack_, labelRecVtx_, labelEB_;
  const std::string labelEE_, labelHBHE_, labelBS_;
  const bool usePFThresh_;
  double a_charIsoR_;

  const edm::EDGetTokenT<reco::BeamSpot> tok_bs_;
  const edm::EDGetTokenT<GenEventInfoProduct> tok_ew_;
  const edm::EDGetTokenT<reco::TrackCollection> tok_genTrack_;
  const edm::EDGetTokenT<reco::VertexCollection> tok_recVtx_;
  const edm::EDGetTokenT<EcalRecHitCollection> tok_EB_;
  const edm::EDGetTokenT<EcalRecHitCollection> tok_EE_;
  const edm::EDGetTokenT<HBHERecHitCollection> tok_hbhe_;

  const edm::ESGetToken<MagneticField, IdealMagneticFieldRecord> tok_bFieldH_;
  const edm::ESGetToken<CaloGeometry, CaloGeometryRecord> tok_geom_;
  const edm::ESGetToken<EcalPFRecHitThresholds, EcalPFRecHitThresholdsRcd> tok_ecalPFRecHitThresholds_;

  const EcalPFRecHitThresholds* eThresholds_;

  std::vector<TH1D*> h_eta_, h_eta0_, h_eta1_, h_rat0_, h_rat1_;
  TH1D *h_Dxy_, *h_Dz_, *h_Chi2_, *h_DpOverP_;
  TH1D *h_Layer_, *h_OutHit_, *h_InMiss_, *h_OutMiss_;
};

HcalIsoTrackAnalysis::HcalIsoTrackAnalysis(const edm::ParameterSet& iConfig)
    : theTrackQuality_(iConfig.getParameter<std::string>("trackQuality")),
      maxDxyPV_(iConfig.getParameter<std::vector<double>>("maxDxyPV")),
      maxDzPV_(iConfig.getParameter<std::vector<double>>("maxDzPV")),
      maxChi2_(iConfig.getParameter<std::vector<double>>("maxChi2")),
      maxDpOverP_(iConfig.getParameter<std::vector<double>>("maxDpOverP")),
      minOuterHit_(iConfig.getParameter<std::vector<int>>("minOuterHit")),
      minLayerCrossed_(iConfig.getParameter<std::vector<int>>("minLayerCrossed")),
      maxInMiss_(iConfig.getParameter<std::vector<int>>("maxInMiss")),
      maxOutMiss_(iConfig.getParameter<std::vector<int>>("maxOutMiss")),
      a_coneR_(iConfig.getParameter<double>("coneRadius")),
      a_mipR_(iConfig.getParameter<double>("coneRadiusMIP")),
      pTrackLow_(iConfig.getParameter<double>("momentumLow")),
      pTrackHigh_(iConfig.getParameter<double>("momentumHigh")),
      useRaw_(iConfig.getUntrackedParameter<int>("useRaw", 0)),
      dataType_(iConfig.getUntrackedParameter<int>("dataType", 0)),
      etaMin_(iConfig.getUntrackedParameter<int>("etaMin", -1)),
      etaMax_(iConfig.getUntrackedParameter<int>("etaMax", 10)),
      hitEthrEB_(iConfig.getParameter<double>("EBHitEnergyThreshold")),
      hitEthrEE0_(iConfig.getParameter<double>("EEHitEnergyThreshold0")),
      hitEthrEE1_(iConfig.getParameter<double>("EEHitEnergyThreshold1")),
      hitEthrEE2_(iConfig.getParameter<double>("EEHitEnergyThreshold2")),
      hitEthrEE3_(iConfig.getParameter<double>("EEHitEnergyThreshold3")),
      hitEthrEELo_(iConfig.getParameter<double>("EEHitEnergyThresholdLow")),
      hitEthrEEHi_(iConfig.getParameter<double>("EEHitEnergyThresholdHigh")),
      labelGenTrack_(iConfig.getParameter<std::string>("labelTrack")),
      labelRecVtx_(iConfig.getParameter<std::string>("labelVertex")),
      labelEB_(iConfig.getParameter<std::string>("labelEBRecHit")),
      labelEE_(iConfig.getParameter<std::string>("labelEERecHit")),
      labelHBHE_(iConfig.getParameter<std::string>("labelHBHERecHit")),
      labelBS_(iConfig.getParameter<std::string>("labelBeamSpot")),
      usePFThresh_(iConfig.getParameter<bool>("usePFThreshold")),
      tok_bs_(consumes<reco::BeamSpot>(labelBS_)),
      tok_ew_(consumes<GenEventInfoProduct>(edm::InputTag("generator"))),
      tok_genTrack_(consumes<reco::TrackCollection>(labelGenTrack_)),
      tok_recVtx_(consumes<reco::VertexCollection>(labelRecVtx_)),
      tok_EB_(consumes<EcalRecHitCollection>(edm::InputTag("ecalRecHit", labelEB_))),
      tok_EE_(consumes<EcalRecHitCollection>(edm::InputTag("ecalRecHit", labelEE_))),
      tok_hbhe_(consumes<HBHERecHitCollection>(labelHBHE_)),
      tok_bFieldH_(esConsumes<MagneticField, IdealMagneticFieldRecord>()),
      tok_geom_(esConsumes<CaloGeometry, CaloGeometryRecord>()),
      tok_ecalPFRecHitThresholds_(esConsumes<EcalPFRecHitThresholds, EcalPFRecHitThresholdsRcd>()) {
  usesResource(TFileService::kSharedResource);

  //now do whatever initialization is needed
  const double isolationRadius(28.9);
  reco::TrackBase::TrackQuality trackQuality_ = reco::TrackBase::qualityByName(theTrackQuality_);
  selectionParameter_.minPt = iConfig.getParameter<double>("minTrackPt");
  selectionParameter_.minQuality = trackQuality_;
  a_charIsoR_ = a_coneR_ + isolationRadius;
  // Different isolation cuts are described in DN-2016/029
  // Tight cut uses 2 GeV; Loose cut uses 10 GeV
  // Eta dependent cut uses (maxRestrictionP_ * exp(|ieta|*log(2.5)/18))
  // with the factor for exponential slopeRestrictionP_ = log(2.5)/18
  // maxRestrictionP_ = 8 GeV as came from a study

  // tokens for access
  edm::LogVerbatim("HcalIsoTrack") << "Labels used " << labelBS_ << " " << labelRecVtx_ << " " << labelGenTrack_ << " "
                                   << edm::InputTag("ecalRecHit", labelEB_) << " "
                                   << edm::InputTag("ecalRecHit", labelEE_) << " " << labelHBHE_;

  edm::LogVerbatim("HcalIsoTrack") << "Parameters read from config file \n"
                                   << "\t minPt " << selectionParameter_.minPt << "\t theTrackQuality "
                                   << theTrackQuality_ << "\t a_coneR " << a_coneR_ << "\t a_charIsoR " << a_charIsoR_
                                   << "\t a_mipR " << a_mipR_ << "\n\t momentumLow_ " << pTrackLow_
                                   << "\t momentumHigh_ " << pTrackHigh_ << "\t useRaw_ " << useRaw_
                                   << "\t dataType_      " << dataType_ << "\t etaLimit " << etaMin_ << ":" << etaMax_
                                   << "\nThreshold flag used " << usePFThresh_ << " value for EB " << hitEthrEB_
                                   << " EE " << hitEthrEE0_ << ":" << hitEthrEE1_ << ":" << hitEthrEE2_ << ":"
                                   << hitEthrEE3_ << ":" << hitEthrEELo_ << ":" << hitEthrEEHi_;
}

void HcalIsoTrackAnalysis::analyze(edm::Event const& iEvent, edm::EventSetup const& iSetup) {
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalIsoTrack") << "Run " << iEvent.id().run() << " Event " << iEvent.id().event() << " type "
                                   << dataType_ << " Luminosity " << iEvent.luminosityBlock() << " Bunch "
                                   << iEvent.bunchCrossing();
#endif
  //Get magnetic field
  const MagneticField* bField = &iSetup.getData(tok_bFieldH_);

  // get calogeometry
  const CaloGeometry* geo = &iSetup.getData(tok_geom_);

  // get ECAL thresholds
  eThresholds_ = &iSetup.getData(tok_ecalPFRecHitThresholds_);

  bool okC(true);
  //Get track collection
  edm::Handle<reco::TrackCollection> trkCollection = iEvent.getHandle(tok_genTrack_);
  if (!trkCollection.isValid()) {
    edm::LogWarning("HcalIsoTrack") << "Cannot access the collection " << labelGenTrack_;
    okC = false;
  }

  //event weight for FLAT sample
  const edm::Handle<GenEventInfoProduct> genEventInfo = iEvent.getHandle(tok_ew_);
  double wt = ((genEventInfo.isValid()) ? genEventInfo->weight() : 1.0);

  //Define the best vertex and the beamspot
  const edm::Handle<reco::VertexCollection> recVtxs = iEvent.getHandle(tok_recVtx_);
  const edm::Handle<reco::BeamSpot> beamSpotH = iEvent.getHandle(tok_bs_);
  math::XYZPoint leadPV(0, 0, 0);
  bool goodPV(false);
  if (recVtxs.isValid() && !(recVtxs->empty())) {
    for (unsigned int k = 0; k < recVtxs->size(); ++k) {
      if (!((*recVtxs)[k].isFake()) && ((*recVtxs)[k].ndof() > 4)) {
        leadPV = math::XYZPoint((*recVtxs)[k].x(), (*recVtxs)[k].y(), (*recVtxs)[k].z());
        goodPV = true;
        break;
      }
    }
  }
  if (!goodPV && beamSpotH.isValid()) {
    leadPV = beamSpotH->position();
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HcalIsoTrack") << "Primary Vertex (" << goodPV << ") " << leadPV;
  if (beamSpotH.isValid()) {
    edm::LogVerbatim("HcalIsoTrack") << " Beam Spot " << beamSpotH->position();
  }
#endif
  // RecHits
  edm::Handle<EcalRecHitCollection> barrelRecHitsHandle = iEvent.getHandle(tok_EB_);
  if (!barrelRecHitsHandle.isValid()) {
    edm::LogWarning("HcalIsoTrack") << "Cannot access the collection " << labelEB_;
    okC = false;
  }
  edm::Handle<EcalRecHitCollection> endcapRecHitsHandle = iEvent.getHandle(tok_EE_);
  if (!endcapRecHitsHandle.isValid()) {
    edm::LogWarning("HcalIsoTrack") << "Cannot access the collection " << labelEE_;
    okC = false;
  }
  edm::Handle<HBHERecHitCollection> hbhe = iEvent.getHandle(tok_hbhe_);
  if (!hbhe.isValid()) {
    edm::LogWarning("HcalIsoTrack") << "Cannot access the collection " << labelHBHE_;
    okC = false;
  }

  if (okC) {
    //Propagate tracks to calorimeter surface)
    std::vector<spr::propagatedTrackDirection> trkCaloDirections;
    spr::propagateCALO(trkCollection, geo, bField, theTrackQuality_, trkCaloDirections, false);
    std::vector<spr::propagatedTrackID> trkCaloDets;
    spr::propagateCALO(trkCollection, geo, bField, theTrackQuality_, trkCaloDets, false);

    //Loop over all tracks
    unsigned int nTracks(0);
    for (const auto& trkDetItr : trkCaloDirections) {
      const reco::Track* pTrack = &(*(trkDetItr.trkItr));
      double p = pTrack->p();
      if (p >= pTrackLow_ && p <= pTrackHigh_ && (trkDetItr.okHCAL)) {
        int ieta = (static_cast<HcalDetId>(trkDetItr.detIdHCAL)).ieta();

        ////////////////////////////////-Energy in ECAL-//////////////////////////
        std::vector<DetId> eIds;
        std::vector<double> eHit;
        double eMipDR = spr::eCone_ecal(geo,
                                        barrelRecHitsHandle,
                                        endcapRecHitsHandle,
                                        trkDetItr.pointHCAL,
                                        trkDetItr.pointECAL,
                                        a_mipR_,
                                        trkDetItr.directionECAL,
                                        eIds,
                                        eHit);
        double eEcal(0);
        for (unsigned int k = 0; k < eIds.size(); ++k) {
          double eThr(hitEthrEB_);
          if (usePFThresh_) {
            eThr = static_cast<double>((*eThresholds_)[eIds[k]]);
          } else {
            const GlobalPoint& pos = geo->getPosition(eIds[k]);
            double eta = std::abs(pos.eta());
            if (eIds[k].subdetId() != EcalBarrel) {
              eThr = (((eta * hitEthrEE3_ + hitEthrEE2_) * eta + hitEthrEE1_) * eta + hitEthrEE0_);
              if (eThr < hitEthrEELo_)
                eThr = hitEthrEELo_;
              else if (eThr > hitEthrEEHi_)
                eThr = hitEthrEEHi_;
            }
          }
          if (eHit[k] > eThr)
            eEcal += eHit[k];
        }
#ifdef EDM_ML_DEBUG
        edm::LogVerbatim("HcalIsoTrack") << "eMIP before and after: " << eMipDR << ":" << eEcal;
#endif

        ////////////////////////////////-Energy in HCAL-//////////////////////////
        int nRecHits(-999), nNearTRKs(0);
        std::vector<DetId> ids;
        std::vector<double> edet0;
        double eHcal = spr::eCone_hcal(geo,
                                       hbhe,
                                       trkDetItr.pointHCAL,
                                       trkDetItr.pointECAL,
                                       a_coneR_,
                                       trkDetItr.directionHCAL,
                                       nRecHits,
                                       ids,
                                       edet0,
                                       useRaw_);
        double ratio0 = eHcal / (p - eEcal);
        double ratio1 = eHcal / (p - eMipDR);
        double hmaxNearP = spr::chargeIsolationCone(nTracks, trkCaloDirections, a_charIsoR_, nNearTRKs, false);
        static const double tightCut(2.0), looseCut(2.0);
        bool tight = (hmaxNearP < tightCut);
        bool loose = (hmaxNearP < looseCut);
#ifdef EDM_ML_DEBUG
        edm::LogVerbatim("HcalIsoTrack") << "eHcal and responses: " << eHcal << ":" << ratio0 << ":" << ratio1
                                         << " Isolation " << hmaxNearP << ":" << loose << ":" << tight;
#endif
        //Different criteria for selection of good tracks
        if (std::abs(ieta) > etaMin_ && std::abs(ieta) < etaMax_) {
          unsigned id(0);
          h_eta_[id]->Fill(ieta, wt);
          h_rat0_[id]->Fill(ratio0, wt);
          h_rat1_[id]->Fill(ratio1, wt);
          if (loose)
            h_eta0_[id]->Fill(ieta, wt);
          if (tight)
            h_eta1_[id]->Fill(ieta, wt);
          for (unsigned int k1 = 0; k1 < maxDxyPV_.size(); ++k1) {
            for (unsigned int k2 = 0; k2 < maxDzPV_.size(); ++k2) {
              for (unsigned int k3 = 0; k3 < maxChi2_.size(); ++k3) {
                for (unsigned int k4 = 0; k4 < maxDpOverP_.size(); ++k4) {
                  for (unsigned int k5 = 0; k5 < minOuterHit_.size(); ++k5) {
                    for (unsigned int k6 = 0; k6 < minLayerCrossed_.size(); ++k6) {
                      for (unsigned int k7 = 0; k7 < maxInMiss_.size(); ++k7) {
                        for (unsigned int k8 = 0; k8 < maxOutMiss_.size(); ++k8) {
                          ++id;
                          selectionParameter_.maxDxyPV = maxDxyPV_[k1];
                          selectionParameter_.maxDzPV = maxDzPV_[k2];
                          selectionParameter_.maxChi2 = maxChi2_[k3];
                          selectionParameter_.maxDpOverP = maxDpOverP_[k4];
                          selectionParameter_.minOuterHit = minOuterHit_[k5];
                          selectionParameter_.minLayerCrossed = minLayerCrossed_[k6];
                          selectionParameter_.maxInMiss = maxInMiss_[k7];
                          selectionParameter_.maxOutMiss = maxOutMiss_[k8];
                          if (spr::goodTrack(pTrack, leadPV, selectionParameter_, false)) {
                            h_eta_[id]->Fill(ieta, wt);
                            h_rat0_[id]->Fill(ratio0, wt);
                            h_rat1_[id]->Fill(ratio1, wt);
                            if (loose)
                              h_eta0_[id]->Fill(ieta, wt);
                            if (tight)
                              h_eta1_[id]->Fill(ieta, wt);
                            const reco::HitPattern& hitp = pTrack->hitPattern();
                            if ((k2 + k3 + k4 + k5 + k6 + k7 + k8 == 0) && (k1 + 1 == maxDxyPV_.size()))
                              h_Dxy_->Fill(pTrack->dxy(leadPV), wt);
                            if ((k1 + k3 + k4 + k5 + k6 + k7 + k8 == 0) && (k2 + 1 == maxDzPV_.size()))
                              h_Dz_->Fill(pTrack->dz(leadPV), wt);
                            if ((k1 + k2 + k4 + k5 + k6 + k7 + k8 == 0) && (k3 + 1 == maxChi2_.size()))
                              h_Chi2_->Fill(pTrack->normalizedChi2(), wt);
                            if ((k1 + k2 + k3 + k5 + k6 + k7 + k8 == 0) && (k4 + 1 == maxDpOverP_.size()))
                              h_DpOverP_->Fill(std::abs(pTrack->qoverpError() / pTrack->qoverp()), wt);
                            if ((k1 + k2 + k3 + k4 + k6 + k7 + k8 == 0) && (k5 + 1 == minOuterHit_.size()))
                              h_OutHit_->Fill(
                                  (hitp.stripTOBLayersWithMeasurement() + hitp.stripTECLayersWithMeasurement()), wt);
                            if ((k1 + k2 + k3 + k4 + k5 + k7 + k8 == 0) && (k6 + 1 == minLayerCrossed_.size()))
                              h_Layer_->Fill(hitp.trackerLayersWithMeasurement(), wt);
                            if ((k1 + k2 + k3 + k4 + k5 + k6 + k8 == 0) && (k7 + 1 == maxInMiss_.size()))
                              h_InMiss_->Fill(
                                  hitp.trackerLayersWithoutMeasurement(reco::HitPattern::MISSING_INNER_HITS), wt);
                            if ((k1 + k2 + k3 + k4 + k5 + k6 + k7 == 0) && (k8 + 1 == maxOutMiss_.size()))
                              h_OutMiss_->Fill(
                                  hitp.trackerLayersWithoutMeasurement(reco::HitPattern::MISSING_OUTER_HITS), wt);
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
      ++nTracks;
    }
  }
}

void HcalIsoTrackAnalysis::beginJob() {
  edm::Service<TFileService> fs;
  char name[100], title[200];
  h_eta_.emplace_back(fs->make<TH1D>("eta", "Track i#eta (All)", 60, -30, 30));
  h_eta0_.emplace_back(fs->make<TH1D>("eta", "Track i#eta (All Loose Isolation)", 60, -30, 30));
  h_eta1_.emplace_back(fs->make<TH1D>("eta", "Track i#eta (All Tight Isolation)", 60, -30, 30));
  h_rat0_.emplace_back(fs->make<TH1D>("rat0", "Response 0", 100, 0.0, 5.0));
  h_rat1_.emplace_back(fs->make<TH1D>("rat1", "Response 1", 100, 0.0, 5.0));
  for (unsigned int k1 = 0; k1 < maxDxyPV_.size(); ++k1) {
    for (unsigned int k2 = 0; k2 < maxDzPV_.size(); ++k2) {
      for (unsigned int k3 = 0; k3 < maxChi2_.size(); ++k3) {
        for (unsigned int k4 = 0; k4 < maxDpOverP_.size(); ++k4) {
          for (unsigned int k5 = 0; k5 < minOuterHit_.size(); ++k5) {
            for (unsigned int k6 = 0; k6 < minLayerCrossed_.size(); ++k6) {
              for (unsigned int k7 = 0; k7 < maxInMiss_.size(); ++k7) {
                for (unsigned int k8 = 0; k8 < maxOutMiss_.size(); ++k8) {
                  sprintf(name, "eta%d%d%d%d%d%d%d%d", k1, k2, k3, k4, k5, k6, k7, k8);
                  sprintf(title,
                          "i#eta (d_{xy}=4.2%f, d_{z}=4.2%f, #chi^{2}=5.2%f, (#Delta p)/p=5.2%f, Hit_{out}=%d, "
                          "Layer=%d, Miss_{in}=%d, Miss_{out}=%d)",
                          maxDxyPV_[k1],
                          maxDzPV_[k2],
                          maxChi2_[k3],
                          maxDpOverP_[k4],
                          minOuterHit_[k5],
                          minLayerCrossed_[k6],
                          maxInMiss_[k7],
                          maxOutMiss_[k8]);
                  h_eta_.emplace_back(fs->make<TH1D>(name, title, 60, -30, 30));
                  sprintf(name, "eta0%d%d%d%d%d%d%d%d", k1, k2, k3, k4, k5, k6, k7, k8);
                  sprintf(title,
                          "i#eta (d_{xy}=4.2%f, d_{z}=4.2%f, #chi^{2}=5.2%f, (#Delta p)/p=5.2%f, Hit_{out}=%d, "
                          "Layer=%d, Miss_{in}=%d, Miss_{out}=%d, loose isolation)",
                          maxDxyPV_[k1],
                          maxDzPV_[k2],
                          maxChi2_[k3],
                          maxDpOverP_[k4],
                          minOuterHit_[k5],
                          minLayerCrossed_[k6],
                          maxInMiss_[k7],
                          maxOutMiss_[k8]);
                  h_eta0_.emplace_back(fs->make<TH1D>(name, title, 60, -30, 30));
                  sprintf(name, "eta1%d%d%d%d%d%d%d%d", k1, k2, k3, k4, k5, k6, k7, k8);
                  sprintf(title,
                          "i#eta (d_{xy}=4.2%f, d_{z}=4.2%f, #chi^{2}=5.2%f, (#Delta p)/p=5.2%f, Hit_{out}=%d, "
                          "Layer=%d, Miss_{in}=%d, Miss_{out}=%d, tight isolation)",
                          maxDxyPV_[k1],
                          maxDzPV_[k2],
                          maxChi2_[k3],
                          maxDpOverP_[k4],
                          minOuterHit_[k5],
                          minLayerCrossed_[k6],
                          maxInMiss_[k7],
                          maxOutMiss_[k8]);
                  h_eta1_.emplace_back(fs->make<TH1D>(name, title, 60, -30, 30));
                  sprintf(name, "rat0%d%d%d%d%d%d%d%d", k1, k2, k3, k4, k5, k6, k7, k8);
                  sprintf(title,
                          "Response 0 (d_{xy}=4.2%f, d_{z}=4.2%f, #chi^{2}=5.2%f, (#Delta p)/p=5.2%f, Hit_{out}=%d, "
                          "Layer=%d, Miss_{in}=%d, Miss_{out}=%d)",
                          maxDxyPV_[k1],
                          maxDzPV_[k2],
                          maxChi2_[k3],
                          maxDpOverP_[k4],
                          minOuterHit_[k5],
                          minLayerCrossed_[k6],
                          maxInMiss_[k7],
                          maxOutMiss_[k8]);
                  h_rat0_.emplace_back(fs->make<TH1D>(name, title, 100, 0.0, 5.0));
                  sprintf(name, "rat1%d%d%d%d%d%d%d%d", k1, k2, k3, k4, k5, k6, k7, k8);
                  sprintf(title,
                          "Response 1 (d_{xy}=4.2%f, d_{z}=4.2%f, #chi^{2}=5.2%f, (#Delta p)/p=5.2%f, Hit_{out}=%d, "
                          "Layer=%d, Miss_{in}=%d, Miss_{out}=%d)",
                          maxDxyPV_[k1],
                          maxDzPV_[k2],
                          maxChi2_[k3],
                          maxDpOverP_[k4],
                          minOuterHit_[k5],
                          minLayerCrossed_[k6],
                          maxInMiss_[k7],
                          maxOutMiss_[k8]);
                  h_rat1_.emplace_back(fs->make<TH1D>(name, title, 100, 0.0, 5.0));
                }
              }
            }
          }
        }
      }
    }
  }
  h_Dxy_ = fs->make<TH1D>("Dxy", "d_{xy}", 100, 0.0, 1.0);
  h_Dz_ = fs->make<TH1D>("Dz", "d_{z}", 100, 0.0, 1.0);
  h_Chi2_ = fs->make<TH1D>("Chi2", "#chi^{2}", 100, 0.0, 20.0);
  h_DpOverP_ = fs->make<TH1D>("DpOverP", "#frac{#Delta p}{p}", 100, 0.0, 1.0);
  h_Layer_ = fs->make<TH1D>("Layer", "Layers Crossed", 50, 0.0, 50.0);
  h_OutHit_ = fs->make<TH1D>("OutHit", "Outer Layers Hit", 20, 0.0, 20.0);
  h_InMiss_ = fs->make<TH1D>("InMiss", "Missed Inner Hits", 20, 0.0, 20.0);
  h_OutMiss_ = fs->make<TH1D>("OutMiss", "Missed Outer Hits", 20, 0.0, 20.0);
}

void HcalIsoTrackAnalysis::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
  edm::ParameterSetDescription desc;
  // following 10 parameters are parameters to select good tracks
  desc.add<std::string>("trackQuality", "highPurity");
  desc.add<double>("minTrackPt", 1.0);
  std::vector<double> maxdxy = {0.02, 0.01, 0.05, 0.10};
  std::vector<double> maxdz = {0.02, 0.01, 0.04, 0.50};
  std::vector<double> maxchi2 = {5.0, 2.0, 10.0, 20.0};
  std::vector<double> maxdpoverp = {0.1, 0.02, 0.05, 0.4};
  std::vector<int> minouterhit = {4, 2, 1, 0};
  std::vector<int> minlayercrossed = {8, 4, 2, 0};
  std::vector<int> maxinmiss = {0, 1, 2, 4};
  std::vector<int> maxoutmiss = {0, 1, 2, 4};
  desc.add<std::vector<double>>("maxDxyPV", maxdxy);
  desc.add<std::vector<double>>("maxDzPV", maxdz);
  desc.add<std::vector<double>>("maxChi2", maxchi2);
  desc.add<std::vector<double>>("maxDpOverP", maxdpoverp);
  desc.add<std::vector<int>>("minOuterHit", minouterhit);
  desc.add<std::vector<int>>("minLayerCrossed", minlayercrossed);
  desc.add<std::vector<int>>("maxInMiss", maxinmiss);
  desc.add<std::vector<int>>("maxOutMiss", maxoutmiss);
  // Signal zone in HCAL and ECAL
  desc.add<double>("coneRadius", 34.98);
  desc.add<double>("coneRadiusMIP", 14.0);
  // energy thershold for ECAL (from Egamma group)
  desc.add<double>("EBHitEnergyThreshold", 0.08);
  desc.add<double>("EEHitEnergyThreshold0", 0.30);
  desc.add<double>("EEHitEnergyThreshold1", 0.00);
  desc.add<double>("EEHitEnergyThreshold2", 0.00);
  desc.add<double>("EEHitEnergyThreshold3", 0.00);
  desc.add<double>("EEHitEnergyThresholdLow", 0.30);
  desc.add<double>("EEHitEnergyThresholdHigh", 0.30);
  // prescale factors
  desc.add<double>("momentumLow", 40.0);
  desc.add<double>("momentumHigh", 60.0);
  // various labels for collections used in the code
  desc.add<std::string>("labelTrack", "generalTracks");
  desc.add<std::string>("labelVertex", "offlinePrimaryVertices");
  desc.add<std::string>("labelEBRecHit", "EcalRecHitsEB");
  desc.add<std::string>("labelEERecHit", "EcalRecHitsEE");
  desc.add<std::string>("labelHBHERecHit", "hbhereco");
  desc.add<std::string>("labelBeamSpot", "offlineBeamSpot");
  //  Various flags used for selecting tracks, choice of energy Method2/0
  //  Data type 0/1 for single jet trigger or others
  desc.addUntracked<int>("useRaw", 0);
  desc.addUntracked<int>("dataType", 0);
  desc.addUntracked<int>("etaMin", -1);
  desc.addUntracked<int>("etaMax", 10);
  desc.add<bool>("usePFThreshold", true);
  descriptions.add("hcalIsoTrackAnalysis", desc);
}

//define this as a plug-in
DEFINE_FWK_MODULE(HcalIsoTrackAnalysis);