SiStripGainCosmicCalculator.cc

Go to the documentation of this file.

// -*- C++ -*-
// Package:    SiStripChannelGain
// Class:      SiStripGainCosmicCalculator
// Original Author:  G. Bruno, D. Kcira
//         Created:  Mon May 20 10:04:31 CET 2007
#include "CalibTracker/SiStripChannelGain/plugins/SiStripGainCosmicCalculator.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "Geometry/CommonDetUnit/interface/GeomDet.h"
#include "Geometry/CommonDetUnit/interface/GeomDetType.h"
#include "Geometry/CommonTopologies/interface/StripTopology.h"
#include "Geometry/TrackerGeometryBuilder/interface/StripGeomDetUnit.h"
#include "Geometry/TrackerGeometryBuilder/interface/StripGeomDetType.h"
#include "DataFormats/FEDRawData/interface/FEDNumbering.h"
#include "CLHEP/Random/RandFlat.h"
#include "CLHEP/Random/RandGauss.h"
#include "Geometry/CommonDetUnit/interface/PixelGeomDetType.h"
#include "Geometry/CommonDetUnit/interface/PixelGeomDetUnit.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/TrackerRecHit2D/interface/SiStripRecHit2D.h"
#include "DataFormats/TrackerRecHit2D/interface/SiStripMatchedRecHit2D.h"
#include "DataFormats/TrackerCommon/interface/SiStripSubStructure.h"
#include "DataFormats/DetId/interface/DetId.h"
#include "DataFormats/SiStripDetId/interface/StripSubdetector.h"
#include "TrackingTools/PatternTools/interface/Trajectory.h"
//#include "DQM/SiStripCommon/interface/SiStripGenerateKey.h"
 
//---------------------------------------------------------------------------------------------------------
SiStripGainCosmicCalculator::SiStripGainCosmicCalculator(const edm::ParameterSet& iConfig)
    : ConditionDBWriter<SiStripApvGain>(iConfig) {
  edm::LogInfo("SiStripGainCosmicCalculator::SiStripGainCosmicCalculator");
  ExpectedChargeDeposition = 200.;
  edm::LogInfo("SiStripApvGainCalculator::SiStripApvGainCalculator")
      << "ExpectedChargeDeposition=" << ExpectedChargeDeposition;
 
  TrackProducer = iConfig.getParameter<std::string>("TrackProducer");
  TrackLabel = iConfig.getParameter<std::string>("TrackLabel");
 
  detModulesToBeExcluded.clear();
  detModulesToBeExcluded = iConfig.getParameter<std::vector<unsigned> >("detModulesToBeExcluded");
  MinNrEntries = iConfig.getUntrackedParameter<unsigned>("minNrEntries", 20);
  MaxChi2OverNDF = iConfig.getUntrackedParameter<double>("maxChi2OverNDF", 5.);
 
  outputHistogramsInRootFile = iConfig.getParameter<bool>("OutputHistogramsInRootFile");
  outputFileName = iConfig.getParameter<std::string>("OutputFileName");
 
  edm::LogInfo("SiStripApvGainCalculator")
      << "Clusters from " << detModulesToBeExcluded.size() << " modules will be ignored in the calibration:";
  edm::LogInfo("SiStripApvGainCalculator") << "The calibration for these DetIds will be set to a default value";
  for (std::vector<uint32_t>::const_iterator imod = detModulesToBeExcluded.begin();
       imod != detModulesToBeExcluded.end();
       imod++) {
    edm::LogInfo("SiStripApvGainCalculator") << "exclude detid = " << *imod;
  }
 
  printdebug_ = iConfig.getUntrackedParameter<bool>("printDebug", false);
 
  tTopoToken_ = esConsumes<edm::Transition::BeginRun>();
  detCablingToken_ = esConsumes<edm::Transition::BeginRun>();
  tkGeomToken_ = esConsumes<edm::Transition::BeginRun>();
}
 
SiStripGainCosmicCalculator::~SiStripGainCosmicCalculator() {
  edm::LogInfo("SiStripGainCosmicCalculator::~SiStripGainCosmicCalculator");
}
 
void SiStripGainCosmicCalculator::algoEndJob() {}
 
void SiStripGainCosmicCalculator::algoBeginJob(const edm::EventSetup& iSetup) {
  tTopo_ = &iSetup.getData(tTopoToken_);
  siStripDetCabling_ = &iSetup.getData(detCablingToken_);
  tkGeom_ = &iSetup.getData(tkGeomToken_);
 
  std::cout << "SiStripGainCosmicCalculator::algoBeginJob called" << std::endl;
  total_nr_of_events = 0;
  HlistAPVPairs = new TObjArray();
  HlistOtherHistos = new TObjArray();
  //
  HlistOtherHistos->Add(new TH1F(Form("APVPairCorrections"), Form("APVPairCorrections"), 50, -1., 4.));
  HlistOtherHistos->Add(new TH1F(Form("APVPairCorrectionsTIB1mono"), Form("APVPairCorrectionsTIB1mono"), 50, -1., 4.));
  HlistOtherHistos->Add(
      new TH1F(Form("APVPairCorrectionsTIB1stereo"), Form("APVPairCorrectionsTIB1stereo"), 50, -1., 4.));
  HlistOtherHistos->Add(new TH1F(Form("APVPairCorrectionsTIB2"), Form("APVPairCorrectionsTIB2"), 50, -1., 4.));
  HlistOtherHistos->Add(new TH1F(Form("APVPairCorrectionsTOB1"), Form("APVPairCorrectionsTOB1"), 50, -1., 4.));
  HlistOtherHistos->Add(new TH1F(Form("APVPairCorrectionsTOB2"), Form("APVPairCorrectionsTOB2"), 50, -1., 4.));
  HlistOtherHistos->Add(new TH1F(Form("LocalAngle"), Form("LocalAngle"), 70, -0.1, 3.4));
  HlistOtherHistos->Add(new TH1F(Form("LocalAngleAbsoluteCosine"), Form("LocalAngleAbsoluteCosine"), 48, -0.1, 1.1));
  HlistOtherHistos->Add(new TH1F(Form("LocalPosition_cm"), Form("LocalPosition_cm"), 100, -5., 5.));
  HlistOtherHistos->Add(new TH1F(Form("LocalPosition_normalized"), Form("LocalPosition_normalized"), 100, -1.1, 1.1));
  TH1F* local_histo = new TH1F(Form("SiStripRecHitType"), Form("SiStripRecHitType"), 2, 0.5, 2.5);
  HlistOtherHistos->Add(local_histo);
  local_histo->GetXaxis()->SetBinLabel(1, "simple");
  local_histo->GetXaxis()->SetBinLabel(2, "matched");
 
  // get cabling and find out list of active detectors
  std::vector<uint32_t> activeDets;
  activeDets.clear();
  SelectedDetIds.clear();
  siStripDetCabling_->addActiveDetectorsRawIds(activeDets);
  //    SelectedDetIds = activeDets; // all active detector modules
  // use SiStripSubStructure for selecting certain regions
  SiStripSubStructure::getTIBDetectors(
      activeDets, SelectedDetIds, tTopo_, 0, 0, 0, 0);  // this adds rawDetIds to SelectedDetIds
  SiStripSubStructure::getTOBDetectors(
      activeDets, SelectedDetIds, tTopo_, 0, 0, 0);  // this adds rawDetIds to SelectedDetIds
  // get tracker geometry and find nr. of apv pairs for each active detector
  for (auto det : tkGeom_->dets()) {  // loop over detector modules
    if (dynamic_cast<const StripGeomDetUnit*>(det) != nullptr) {
      uint32_t detid = det->geographicalId().rawId();
      // get thickness for all detector modules, not just for active, this is strange
      double module_thickness =
          det->surface()
              .bounds()
              .thickness();  // get thickness of detector from GeomDet (DetContainer == vector<GeomDet*>)
      thickness_map.insert(std::make_pair(detid, module_thickness));
      //
      const bool is_active_detector =
          std::end(SelectedDetIds) != std::find(std::begin(SelectedDetIds), std::end(SelectedDetIds), detid);
      //
      const bool exclude_this_detid =
          std::end(detModulesToBeExcluded) !=
          std::find(std::begin(detModulesToBeExcluded), std::end(detModulesToBeExcluded), detid);
      //
      if (is_active_detector &&
          (!exclude_this_detid)) {  // check whether is active detector and that should not be excluded
        const StripTopology& p = dynamic_cast<const StripGeomDetUnit*>(det)->specificTopology();
        unsigned short NAPVPairs = p.nstrips() / 256;
        if (NAPVPairs < 2 || NAPVPairs > 3) {
          edm::LogError("SiStripGainCosmicCalculator")
              << "Problem with Number of strips in detector: " << p.nstrips() << " Exiting program";
          exit(1);
        }
        for (int iapp = 0; iapp < NAPVPairs; iapp++) {
          TString hid = Form("ChargeAPVPair_%i_%i", detid, iapp);
          HlistAPVPairs->Add(
              new TH1F(hid, hid, 45, 0., 1350.));  // multiply by 3 to take into account division by width
        }
      }
    }
  }
}
 
//---------------------------------------------------------------------------------------------------------
void SiStripGainCosmicCalculator::algoAnalyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
  using namespace edm;
  total_nr_of_events++;
 
  //TO BE RESTORED
  //  anglefinder_->init(event,iSetup);
 
  // get seeds
  //  edm::Handle<TrajectorySeedCollection> seedcoll;
  //  event.getByType(seedcoll);
  // get tracks
  Handle<reco::TrackCollection> trackCollection;
  iEvent.getByLabel(TrackProducer, TrackLabel, trackCollection);
  const reco::TrackCollection* tracks = trackCollection.product();
 
  //  // get magnetic field
  //  edm::ESHandle<MagneticField> esmagfield;
  //  es.get<IdealMagneticFieldRecord>().get(esmagfield);
  //  magfield=&(*esmagfield);
  // loop over tracks
  for (reco::TrackCollection::const_iterator itr = tracks->begin(); itr != tracks->end();
       itr++) {  // looping over tracks
 
    //TO BE RESTORED
    //    std::vector<std::pair<const TrackingRecHit *,float> >hitangle =anglefinder_->findtrackangle((*(*seedcoll).begin()),*itr);
    std::vector<std::pair<const TrackingRecHit*, float> >
        hitangle;  // =anglefinder_->findtrackangle((*(*seedcoll).begin()),*itr);
 
    for (std::vector<std::pair<const TrackingRecHit*, float> >::const_iterator hitangle_iter = hitangle.begin();
         hitangle_iter != hitangle.end();
         hitangle_iter++) {
      const TrackingRecHit* trechit = hitangle_iter->first;
      float local_angle = hitangle_iter->second;
      LocalPoint local_position = trechit->localPosition();
      const SiStripRecHit2D* sistripsimplehit = dynamic_cast<const SiStripRecHit2D*>(trechit);
      const SiStripMatchedRecHit2D* sistripmatchedhit = dynamic_cast<const SiStripMatchedRecHit2D*>(trechit);
      //      std::cout<<" hit/matched "<<std::ios::hex<<sistripsimplehit<<" "<<sistripmatchedhit<<std::endl;
      ((TH1F*)HlistOtherHistos->FindObject("LocalAngle"))->Fill(local_angle);
      ((TH1F*)HlistOtherHistos->FindObject("LocalAngleAbsoluteCosine"))->Fill(fabs(cos(local_angle)));
      if (sistripsimplehit) {
        ((TH1F*)HlistOtherHistos->FindObject("SiStripRecHitType"))->Fill(1.);
        const SiStripRecHit2D::ClusterRef& cluster = sistripsimplehit->cluster();
        const auto& ampls = cluster->amplitudes();
        uint32_t thedetid = 0;  // is zero since long time cluster->geographicalId();
        double module_width = moduleWidth(thedetid);
        ((TH1F*)HlistOtherHistos->FindObject("LocalPosition_cm"))->Fill(local_position.x());
        ((TH1F*)HlistOtherHistos->FindObject("LocalPosition_normalized"))->Fill(local_position.x() / module_width);
        double module_thickness = moduleThickness(thedetid);
        int ifirststrip = cluster->firstStrip();
        int theapvpairid = int(float(ifirststrip) / 256.);
        TH1F* histopointer = (TH1F*)HlistAPVPairs->FindObject(Form("ChargeAPVPair_%i_%i", thedetid, theapvpairid));
        if (histopointer) {
          short cCharge = 0;
          for (unsigned int iampl = 0; iampl < ampls.size(); iampl++) {
            cCharge += ampls[iampl];
          }
          double cluster_charge_over_path = ((double)cCharge) * fabs(cos(local_angle)) / (10. * module_thickness);
          histopointer->Fill(cluster_charge_over_path);
        }
      } else {
        if (sistripmatchedhit)
          ((TH1F*)HlistOtherHistos->FindObject("SiStripRecHitType"))->Fill(2.);
      }
    }
  }
}
 
//---------------------------------------------------------------------------------------------------------
std::pair<double, double> SiStripGainCosmicCalculator::getPeakOfLandau(
    TH1F* inputHisto) {  // automated fitting with finding of the appropriate nr. of ADCs
  // set some default dummy value and return if no entries
  double adcs = -0.5;
  double error = 0.;
  double nr_of_entries = inputHisto->GetEntries();
  if (nr_of_entries < MinNrEntries) {
    return std::make_pair(adcs, error);
  }
  //
  //  // fit with initial setting of  parameter values
  //  double rms_of_histogram = inputHisto->GetRMS();
  //  TF1 *landaufit = new TF1("landaufit","landau",0.,450.);
  //  landaufit->SetParameters(nr_of_entries,mean_of_histogram,rms_of_histogram);
  //  inputHisto->Fit("landaufit","0Q+");
  //  delete landaufit;
  //
  // perform fit with standard landau
  // make our own copy to avoid problems with threads
  std::unique_ptr<TF1> fitfunction(new TF1("landaufit", "landau"));
  inputHisto->Fit(fitfunction.get(), "0Q");
  adcs = fitfunction->GetParameter("MPV");
  error = fitfunction->GetParError(1);  // MPV is parameter 1 (0=constant, 1=MPV, 2=Sigma)
  double chi2 = fitfunction->GetChisquare();
  double ndf = fitfunction->GetNDF();
  double chi2overndf = chi2 / ndf;
  // in case things went wrong, try to refit in smaller range
  if (adcs < 2. || (error / adcs) > 1.8) {
    inputHisto->Fit(fitfunction.get(), "0Q", nullptr, 0., 400.);
    std::cout << "refitting landau for histogram " << inputHisto->GetTitle() << std::endl;
    std::cout << "initial error/adcs =" << error << " / " << adcs << std::endl;
    std::cout << "new     error/adcs =" << fitfunction->GetParError(1) << " / " << fitfunction->GetParameter("MPV")
              << std::endl;
    adcs = fitfunction->GetParameter("MPV");
    error = fitfunction->GetParError(1);  // MPV is parameter 1 (0=constant, 1=MPV, 2=Sigma)
    chi2 = fitfunction->GetChisquare();
    ndf = fitfunction->GetNDF();
    chi2overndf = chi2 / ndf;
  }
  // if still wrong, give up
  if (adcs < 2. || chi2overndf > MaxChi2OverNDF) {
    adcs = -0.5;
    error = 0.;
  }
  return std::make_pair(adcs, error);
}
 
//---------------------------------------------------------------------------------------------------------
double SiStripGainCosmicCalculator::moduleWidth(const uint32_t detid)  // get width of the module detid
{  //dk: copied from A. Giammanco and hacked,  module_width values : 10.49 12.03 6.144 7.14 9.3696
  double module_width = 0.;
  const GeomDetUnit* it = tkGeom_->idToDetUnit(DetId(detid));
  if (dynamic_cast<const StripGeomDetUnit*>(it) == nullptr && dynamic_cast<const PixelGeomDetUnit*>(it) == nullptr) {
    std::cout << "this detID doesn't seem to belong to the Tracker" << std::endl;
  } else {
    module_width = it->surface().bounds().width();
  }
  return module_width;
}
 
//---------------------------------------------------------------------------------------------------------
double SiStripGainCosmicCalculator::moduleThickness(const uint32_t detid)  // get thickness of the module detid
{                                                                          //dk: copied from A. Giammanco and hacked
  double module_thickness = 0.;
  const GeomDetUnit* it = tkGeom_->idToDetUnit(DetId(detid));
  if (dynamic_cast<const StripGeomDetUnit*>(it) == nullptr && dynamic_cast<const PixelGeomDetUnit*>(it) == nullptr) {
    std::cout << "this detID doesn't seem to belong to the Tracker" << std::endl;
  } else {
    module_thickness = it->surface().bounds().thickness();
  }
  return module_thickness;
}
 
//---------------------------------------------------------------------------------------------------------
std::unique_ptr<SiStripApvGain> SiStripGainCosmicCalculator::getNewObject() {
  std::cout << "SiStripGainCosmicCalculator::getNewObject called" << std::endl;
 
  std::cout << "total_nr_of_events=" << total_nr_of_events << std::endl;
  // book some more histograms
  TH1F* ChargeOfEachAPVPair = new TH1F("ChargeOfEachAPVPair", "ChargeOfEachAPVPair", 1, 0, 1);
  ChargeOfEachAPVPair->SetCanExtend(TH1::kAllAxes);
  TH1F* EntriesApvPairs = new TH1F("EntriesApvPairs", "EntriesApvPairs", 1, 0, 1);
  EntriesApvPairs->SetCanExtend(TH1::kAllAxes);
  TH1F* NrOfEntries =
      new TH1F("NrOfEntries", "NrOfEntries", 351, -0.5, 350.5);  // NrOfEntries->SetCanExtend(TH1::kAllAxes);
  TH1F* ModuleThickness = new TH1F("ModuleThickness", "ModuleThickness", 2, 0.5, 2.5);
  HlistOtherHistos->Add(ModuleThickness);
  ModuleThickness->GetXaxis()->SetBinLabel(1, "320mu");
  ModuleThickness->GetXaxis()->SetBinLabel(2, "500mu");
  ModuleThickness->SetYTitle("Nr APVPairs");
  TH1F* ModuleWidth = new TH1F("ModuleWidth", "ModuleWidth", 5, 0.5, 5.5);
  HlistOtherHistos->Add(ModuleWidth);
  ModuleWidth->GetXaxis()->SetBinLabel(1, "6.144cm");
  ModuleWidth->GetXaxis()->SetBinLabel(2, "7.14cm");
  ModuleWidth->GetXaxis()->SetBinLabel(3, "9.3696cm");
  ModuleWidth->GetXaxis()->SetBinLabel(4, "10.49cm");
  ModuleWidth->GetXaxis()->SetBinLabel(5, "12.03cm");
  ModuleWidth->SetYTitle("Nr APVPairs");
  // loop over single histograms and extract peak value of charge
  HlistAPVPairs->Sort();  // sort alfabetically
  TIter hiterator(HlistAPVPairs);
  double MeanCharge = 0.;
  double NrOfApvPairs = 0.;
  TH1F* MyHisto = (TH1F*)hiterator();
  while (MyHisto) {
    TString histo_title = MyHisto->GetTitle();
    if (histo_title.Contains("ChargeAPVPair_")) {
      std::pair<double, double> two_values = getPeakOfLandau(MyHisto);
      double local_nrofadcs = two_values.first;
      double local_sigma = two_values.second;
      ChargeOfEachAPVPair->Fill(histo_title, local_nrofadcs);
      int ichbin = ChargeOfEachAPVPair->GetXaxis()->FindBin(histo_title.Data());
      ChargeOfEachAPVPair->SetBinError(ichbin, local_sigma);
      EntriesApvPairs->Fill(histo_title, MyHisto->GetEntries());
      NrOfEntries->Fill(MyHisto->GetEntries());
      if (local_nrofadcs > 0) {  // if nr of adcs is negative, the fitting routine could not extract meaningfull numbers
        MeanCharge += local_nrofadcs;
        NrOfApvPairs += 1.;  // count nr of apv pairs since do not know whether nr of bins of histogram is the same
      }
    }
    MyHisto = (TH1F*)hiterator();
  }
  ChargeOfEachAPVPair->LabelsDeflate("X");
  EntriesApvPairs->LabelsDeflate("X");  // trim nr. of bins to match active labels
  HlistOtherHistos->Add(ChargeOfEachAPVPair);
  HlistOtherHistos->Add(EntriesApvPairs);
  HlistOtherHistos->Add(NrOfEntries);
  MeanCharge = MeanCharge / NrOfApvPairs;
  // calculate correction
  TH1F* CorrectionOfEachAPVPair = (TH1F*)ChargeOfEachAPVPair->Clone("CorrectionOfEachAPVPair");
  TH1F* ChargeOfEachAPVPairControlView =
      new TH1F("ChargeOfEachAPVPairControlView", "ChargeOfEachAPVPairControlView", 1, 0, 1);
  ChargeOfEachAPVPairControlView->SetCanExtend(TH1::kAllAxes);
  TH1F* CorrectionOfEachAPVPairControlView =
      new TH1F("CorrectionOfEachAPVPairControlView", "CorrectionOfEachAPVPairControlView", 1, 0, 1);
  CorrectionOfEachAPVPairControlView->SetCanExtend(TH1::kAllAxes);
  std::ofstream APVPairTextOutput("apvpair_corrections.txt");
  APVPairTextOutput << "# MeanCharge = " << MeanCharge << std::endl;
  APVPairTextOutput << "# Nr. of APVPairs = " << NrOfApvPairs << std::endl;
  for (int ibin = 1; ibin <= ChargeOfEachAPVPair->GetNbinsX(); ibin++) {
    TString local_bin_label = ChargeOfEachAPVPair->GetXaxis()->GetBinLabel(ibin);
    double local_charge_over_path = ChargeOfEachAPVPair->GetBinContent(ibin);
    if (local_bin_label.Contains("ChargeAPVPair_") &&
        local_charge_over_path > 0.0000001) {  // calculate correction only for meaningful numbers
      uint32_t extracted_detid;
      std::istringstream read_label((local_bin_label(14, 9)).Data());
      read_label >> extracted_detid;
      unsigned short extracted_apvpairid;
      std::istringstream read_apvpair((local_bin_label(24, 1)).Data());
      read_apvpair >> extracted_apvpairid;
      double local_error_of_charge = ChargeOfEachAPVPair->GetBinError(ibin);
      double local_correction = -0.5;
      double local_error_correction = 0.;
      local_correction =
          MeanCharge / local_charge_over_path;  // later use ExpectedChargeDeposition instead of MeanCharge
      local_error_correction = local_correction * local_error_of_charge / local_charge_over_path;
      if (local_error_correction > 1.8) {  // understand why error too large sometimes
        std::cout << "too large error " << local_error_correction << " for histogram " << local_bin_label << std::endl;
      }
      double nr_of_entries = EntriesApvPairs->GetBinContent(ibin);
      APVPairTextOutput << local_bin_label << " " << local_correction << " " << local_charge_over_path << " "
                        << nr_of_entries << std::endl;
      CorrectionOfEachAPVPair->SetBinContent(ibin, local_correction);
      CorrectionOfEachAPVPair->SetBinError(ibin, local_error_correction);
      ((TH1F*)HlistOtherHistos->FindObject("APVPairCorrections"))->Fill(local_correction);
      DetId thedetId = DetId(extracted_detid);
      unsigned int generalized_layer = 0;
      // calculate generalized_layer:  31,32 = TIB1, 33 = TIB2, 33 = TIB3, 51 = TOB1, 52 = TOB2, 60 = TEC
      if (thedetId.subdetId() == StripSubdetector::TIB) {
        generalized_layer =
            10 * thedetId.subdetId() + tTopo_->tibLayer(thedetId.rawId()) + tTopo_->tibStereo(thedetId.rawId());
        if (tTopo_->tibLayer(thedetId.rawId()) == 2) {
          generalized_layer++;
          if (tTopo_->tibGlued(thedetId.rawId()))
            edm::LogError("ClusterMTCCFilter") << "WRONGGGG" << std::endl;
        }
      } else {
        generalized_layer = 10 * thedetId.subdetId();
        if (thedetId.subdetId() == StripSubdetector::TOB) {
          generalized_layer += tTopo_->tobLayer(thedetId.rawId());
        }
      }
      if (generalized_layer == 31) {
        ((TH1F*)HlistOtherHistos->FindObject("APVPairCorrectionsTIB1mono"))->Fill(local_correction);
      }
      if (generalized_layer == 32) {
        ((TH1F*)HlistOtherHistos->FindObject("APVPairCorrectionsTIB1stereo"))->Fill(local_correction);
      }
      if (generalized_layer == 33) {
        ((TH1F*)HlistOtherHistos->FindObject("APVPairCorrectionsTIB2"))->Fill(local_correction);
      }
      if (generalized_layer == 51) {
        ((TH1F*)HlistOtherHistos->FindObject("APVPairCorrectionsTOB1"))->Fill(local_correction);
      }
      if (generalized_layer == 52) {
        ((TH1F*)HlistOtherHistos->FindObject("APVPairCorrectionsTOB2"))->Fill(local_correction);
      }
      // control view
      const FedChannelConnection& fedchannelconnection =
          siStripDetCabling_->getConnection(extracted_detid, extracted_apvpairid);
      std::ostringstream local_key;
      // in S. Mersi's analysis the APVPair id seems to be used instead of the lldChannel, hence use the same here
      local_key << "fecCrate" << fedchannelconnection.fecCrate() << "_fecSlot" << fedchannelconnection.fecSlot()
                << "_fecRing" << fedchannelconnection.fecRing() << "_ccuAddr" << fedchannelconnection.ccuAddr()
                << "_ccuChan" << fedchannelconnection.ccuChan() << "_apvPair" << extracted_apvpairid;
      TString control_key = local_key.str();
      ChargeOfEachAPVPairControlView->Fill(control_key, local_charge_over_path);
      int ibin1 = ChargeOfEachAPVPairControlView->GetXaxis()->FindBin(control_key);
      ChargeOfEachAPVPairControlView->SetBinError(ibin1, local_error_of_charge);
      CorrectionOfEachAPVPairControlView->Fill(control_key, local_correction);
      int ibin2 = CorrectionOfEachAPVPairControlView->GetXaxis()->FindBin(control_key);
      CorrectionOfEachAPVPairControlView->SetBinError(ibin2, local_error_correction);
      // thickness of each module
      double module_thickness = moduleThickness(extracted_detid);
      if (fabs(module_thickness - 0.032) < 0.001)
        ModuleThickness->Fill(1);
      if (fabs(module_thickness - 0.05) < 0.001)
        ModuleThickness->Fill(2);
      // width of each module
      double module_width = moduleWidth(extracted_detid);
      if (fabs(module_width - 6.144) < 0.01)
        ModuleWidth->Fill(1);
      if (fabs(module_width - 7.14) < 0.01)
        ModuleWidth->Fill(2);
      if (fabs(module_width - 9.3696) < 0.01)
        ModuleWidth->Fill(3);
      if (fabs(module_width - 10.49) < 0.01)
        ModuleWidth->Fill(4);
      if (fabs(module_width - 12.03) < 0.01)
        ModuleWidth->Fill(5);
    }
  }
  HlistOtherHistos->Add(CorrectionOfEachAPVPair);
  ChargeOfEachAPVPairControlView->LabelsDeflate("X");
  CorrectionOfEachAPVPairControlView->LabelsDeflate("X");
  HlistOtherHistos->Add(ChargeOfEachAPVPairControlView);
  HlistOtherHistos->Add(CorrectionOfEachAPVPairControlView);
  // output histograms to file
 
  if (outputHistogramsInRootFile) {
    TFile* outputfile = new TFile(outputFileName, "RECREATE");
    HlistAPVPairs->Write();
    HlistOtherHistos->Write();
    outputfile->Close();
  }
 
  auto obj = std::make_unique<SiStripApvGain>();
 
  //   for(std::map<uint32_t,OptoScanAnalysis*>::const_iterator it = analyses.begin(); it != analyses.end(); it++){
  //     //Generate Gain for det detid
  //     std::vector<float> theSiStripVector;
  //     for(unsigned short j=0; j<it->second; j++){
  //       float gain;
 
  //       //      if(sigmaGain_/meanGain_ < 0.00001) gain = meanGain_;
  //       //      else{
  //       gain = CLHEP::RandGauss::shoot(meanGain_, sigmaGain_);
  //       if(gain<=minimumPosValue_) gain=minimumPosValue_;
  //       //      }
 
  //       if (printdebug_)
  //    edm::LogInfo("SiStripGainCalculator") << "detid " << it->first << " \t"
  //                          << " apv " << j << " \t"
  //                          << gain    << " \t"
  //                          << std::endl;
  //       theSiStripVector.push_back(gain);
  //     }
  //     SiStripApvGain::Range range(theSiStripVector.begin(),theSiStripVector.end());
  //     if ( ! obj->put(it->first,range) )
  //       edm::LogError("SiStripGainCalculator")<<"[SiStripGainCalculator::beginJob] detid already exists"<<std::endl;
  //   }
 
  return obj;
}