EtlRecHitsValidation.cc

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// -*- C++ -*-
//
// Package:    Validation/MtdValidation
// Class:      EtlRecHitsValidation
//
#include <string>

#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "DQMServices/Core/interface/DQMEDAnalyzer.h"
#include "DQMServices/Core/interface/MonitorElement.h"

#include "DataFormats/Common/interface/ValidHandle.h"
#include "DataFormats/ForwardDetId/interface/ETLDetId.h"
#include "DataFormats/FTLRecHit/interface/FTLRecHitCollections.h"

#include "Geometry/Records/interface/MTDDigiGeometryRecord.h"
#include "Geometry/MTDGeometryBuilder/interface/MTDGeometry.h"
#include "Geometry/CommonTopologies/interface/PixelTopology.h"

class EtlRecHitsValidation : public DQMEDAnalyzer {
public:
  explicit EtlRecHitsValidation(const edm::ParameterSet&);
  ~EtlRecHitsValidation() override;

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

private:
  void bookHistograms(DQMStore::IBooker&, edm::Run const&, edm::EventSetup const&) override;

  void analyze(const edm::Event&, const edm::EventSetup&) override;

  // ------------ member data ------------

  const std::string folder_;

  edm::EDGetTokenT<FTLRecHitCollection> etlRecHitsToken_;

  // --- histograms declaration

  MonitorElement* meNhits_[2];

  MonitorElement* meHitEnergy_[2];
  MonitorElement* meHitTime_[2];

  MonitorElement* meOccupancy_[2];

  MonitorElement* meHitX_[2];
  MonitorElement* meHitY_[2];
  MonitorElement* meHitZ_[2];
  MonitorElement* meHitPhi_[2];
  MonitorElement* meHitEta_[2];

  MonitorElement* meHitTvsE_[2];
  MonitorElement* meHitEvsPhi_[2];
  MonitorElement* meHitEvsEta_[2];
  MonitorElement* meHitTvsPhi_[2];
  MonitorElement* meHitTvsEta_[2];
};

// ------------ constructor and destructor --------------
EtlRecHitsValidation::EtlRecHitsValidation(const edm::ParameterSet& iConfig)
    : folder_(iConfig.getParameter<std::string>("folder")) {
  etlRecHitsToken_ = consumes<FTLRecHitCollection>(iConfig.getParameter<edm::InputTag>("inputTag"));
}

EtlRecHitsValidation::~EtlRecHitsValidation() {}

// ------------ method called for each event  ------------
void EtlRecHitsValidation::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
  using namespace edm;

  edm::ESHandle<MTDGeometry> geometryHandle;
  iSetup.get<MTDDigiGeometryRecord>().get(geometryHandle);
  const MTDGeometry* geom = geometryHandle.product();

  auto etlRecHitsHandle = makeValid(iEvent.getHandle(etlRecHitsToken_));

  // --- Loop over the ELT RECO hits

  unsigned int n_reco_etl[2] = {0, 0};

  for (const auto& recHit : *etlRecHitsHandle) {
    ETLDetId detId = recHit.id();

    DetId geoId = detId.geographicalId();
    const MTDGeomDet* thedet = geom->idToDet(geoId);
    if (thedet == nullptr)
      throw cms::Exception("EtlRecHitsValidation") << "GeographicalID: " << std::hex << geoId.rawId() << " ("
                                                   << detId.rawId() << ") is invalid!" << std::dec << std::endl;
    const PixelTopology& topo = static_cast<const PixelTopology&>(thedet->topology());

    Local3DPoint local_point(topo.localX(recHit.row()), topo.localY(recHit.column()), 0.);
    const auto& global_point = thedet->toGlobal(local_point);

    // --- Fill the histograms

    int idet = (detId.zside() + 1) / 2;

    meHitEnergy_[idet]->Fill(recHit.energy());
    meHitTime_[idet]->Fill(recHit.time());

    meOccupancy_[idet]->Fill(global_point.x(), global_point.y());

    meHitX_[idet]->Fill(global_point.x());
    meHitY_[idet]->Fill(global_point.y());
    meHitZ_[idet]->Fill(global_point.z());
    meHitPhi_[idet]->Fill(global_point.phi());
    meHitEta_[idet]->Fill(global_point.eta());

    meHitTvsE_[idet]->Fill(recHit.energy(), recHit.time());
    meHitEvsPhi_[idet]->Fill(global_point.phi(), recHit.energy());
    meHitEvsEta_[idet]->Fill(global_point.eta(), recHit.energy());
    meHitTvsPhi_[idet]->Fill(global_point.phi(), recHit.time());
    meHitTvsEta_[idet]->Fill(global_point.eta(), recHit.time());

    n_reco_etl[idet]++;

  }  // recHit loop

  meNhits_[0]->Fill(n_reco_etl[0]);
  meNhits_[1]->Fill(n_reco_etl[1]);
}

// ------------ method for histogram booking ------------
void EtlRecHitsValidation::bookHistograms(DQMStore::IBooker& ibook,
                                          edm::Run const& run,
                                          edm::EventSetup const& iSetup) {
  ibook.setCurrentFolder(folder_);

  // --- histograms booking

  meNhits_[0] = ibook.book1D("EtlNhitsZneg", "Number of ETL RECO hits (-Z);N_{RECO}", 100, 0., 5000.);
  meNhits_[1] = ibook.book1D("EtlNhitsZpos", "Number of ETL RECO hits (+Z);N_{RECO}", 100, 0., 5000.);

  meHitEnergy_[0] = ibook.book1D("EtlHitEnergyZneg", "ETL RECO hits energy (-Z);E_{RECO} [MeV]", 100, 0., 3.);
  meHitEnergy_[1] = ibook.book1D("EtlHitEnergyZpos", "ETL RECO hits energy (+Z);E_{RECO} [MeV]", 100, 0., 3.);

  meHitTime_[0] = ibook.book1D("EtlHitTimeZneg", "ETL RECO hits ToA (-Z);ToA_{RECO} [ns]", 100, 0., 25.);
  meHitTime_[1] = ibook.book1D("EtlHitTimeZpos", "ETL RECO hits ToA (+Z);ToA_{RECO} [ns]", 100, 0., 25.);

  meOccupancy_[0] = ibook.book2D("EtlOccupancyZneg",
                                 "ETL RECO hits occupancy (-Z);X_{RECO} [cm];Y_{RECO} [cm]",
                                 135,
                                 -135.,
                                 135.,
                                 135,
                                 -135.,
                                 135.);
  meOccupancy_[1] = ibook.book2D("EtlOccupancyZpos",
                                 "ETL DIGI hits occupancy (+Z);X_{RECO} [cm];Y_{RECO} [cm]",
                                 135,
                                 -135.,
                                 135.,
                                 135,
                                 -135.,
                                 135.);

  meHitX_[1] = ibook.book1D("EtlHitXZpos", "ETL RECO hits X (+Z);X_{RECO} [cm]", 100, -130., 130.);
  meHitX_[0] = ibook.book1D("EtlHitXZneg", "ETL RECO hits X (-Z);X_{RECO} [cm]", 100, -130., 130.);
  meHitY_[1] = ibook.book1D("EtlHitYZpos", "ETL RECO hits Y (+Z);Y_{RECO} [cm]", 100, -130., 130.);
  meHitY_[0] = ibook.book1D("EtlHitYZneg", "ETL RECO hits Y (-Z);Y_{RECO} [cm]", 100, -130., 130.);
  meHitZ_[1] = ibook.book1D("EtlHitZZpos", "ETL RECO hits Z (+Z);Z_{RECO} [cm]", 100, 303.4, 304.2);
  meHitZ_[0] = ibook.book1D("EtlHitZZneg", "ETL RECO hits Z (-Z);Z_{RECO} [cm]", 100, -304.2, -303.4);

  meHitPhi_[1] = ibook.book1D("EtlHitPhiZpos", "ETL RECO hits #phi (+Z);#phi_{RECO} [rad]", 100, -3.15, 3.15);
  meHitPhi_[0] = ibook.book1D("EtlHitPhiZneg", "ETL RECO hits #phi (-Z);#phi_{RECO} [rad]", 100, -3.15, 3.15);
  meHitEta_[1] = ibook.book1D("EtlHitEtaZpos", "ETL RECO hits #eta (+Z);#eta_{RECO}", 100, 1.56, 3.2);
  meHitEta_[0] = ibook.book1D("EtlHitEtaZneg", "ETL RECO hits #eta (-Z);#eta_{RECO}", 100, -3.2, -1.56);

  meHitTvsE_[1] = ibook.bookProfile(
      "EtlHitTvsEZpos", "ETL RECO time vs energy (+Z);E_{RECO} [MeV];ToA_{RECO} [ns]", 50, 0., 2., 0., 100.);
  meHitTvsE_[0] = ibook.bookProfile(
      "EtlHitTvsEZneg", "ETL RECO time vs energy (-Z);E_{RECO} [MeV];ToA_{RECO} [ns]", 50, 0., 2., 0., 100.);
  meHitEvsPhi_[1] = ibook.bookProfile(
      "EtlHitEvsPhiZpos", "ETL RECO energy vs #phi (+Z);#phi_{RECO} [rad];E_{RECO} [MeV]", 50, -3.15, 3.15, 0., 100.);
  meHitEvsPhi_[0] = ibook.bookProfile(
      "EtlHitEvsPhiZneg", "ETL RECO energy vs #phi (-Z);#phi_{RECO} [rad];E_{RECO} [MeV]", 50, -3.15, 3.15, 0., 100.);
  meHitEvsEta_[1] = ibook.bookProfile(
      "EtlHitEvsEtaZpos", "ETL RECO energy vs #eta (+Z);#eta_{RECO};E_{RECO} [MeV]", 50, 1.56, 3.2, 0., 100.);
  meHitEvsEta_[0] = ibook.bookProfile(
      "EtlHitEvsEtaZneg", "ETL RECO energy vs #eta (-Z);#eta_{RECO};E_{RECO} [MeV]", 50, -3.2, -1.56, 0., 100.);
  meHitTvsPhi_[1] = ibook.bookProfile(
      "EtlHitTvsPhiZpos", "ETL RECO time vs #phi (+Z);#phi_{RECO} [rad];ToA_{RECO} [ns]", 50, -3.15, 3.15, 0., 100.);
  meHitTvsPhi_[0] = ibook.bookProfile(
      "EtlHitTvsPhiZneg", "ETL RECO time vs #phi (-Z);#phi_{RECO} [rad];ToA_{RECO} [ns]", 50, -3.15, 3.15, 0., 100.);
  meHitTvsEta_[1] = ibook.bookProfile(
      "EtlHitTvsEtaZpos", "ETL RECO time vs #eta (+Z);#eta_{RECO};ToA_{RECO} [ns]", 50, 1.56, 3.2, 0., 100.);
  meHitTvsEta_[0] = ibook.bookProfile(
      "EtlHitTvsEtaZneg", "ETL RECO time vs #eta (-Z);#eta_{RECO};ToA_{RECO} [ns]", 50, -3.2, -1.56, 0., 100.);
}

// ------------ method fills 'descriptions' with the allowed parameters for the module  ------------
void EtlRecHitsValidation::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
  edm::ParameterSetDescription desc;

  desc.add<std::string>("folder", "MTD/ETL/RecHits");
  desc.add<edm::InputTag>("inputTag", edm::InputTag("mtdRecHits", "FTLEndcap"));

  descriptions.add("etlRecHits", desc);
}

DEFINE_FWK_MODULE(EtlRecHitsValidation);