DTDigiTask.cc

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/*
 * \file DTDigiTask.cc
 *
 * \author M. Zanetti - INFN Padova
 *
 */

#include "DQM/DTMonitorModule/interface/DTDigiTask.h"

// Framework
#include "FWCore/Framework/interface/EventSetup.h"

// Digis
#include "DataFormats/MuonDetId/interface/DTLayerId.h"
#include "DataFormats/MuonDetId/interface/DTChamberId.h"

// Geometry
#include "Geometry/DTGeometry/interface/DTGeometry.h"
#include "Geometry/DTGeometry/interface/DTLayer.h"
#include "Geometry/DTGeometry/interface/DTTopology.h"

// T0s
#include "CondFormats/DTObjects/interface/DTT0.h"
#include "CondFormats/DTObjects/interface/DTTtrig.h"

#include <sstream>
#include <cmath>

using namespace edm;
using namespace std;

// Contructor
DTDigiTask::DTDigiTask(const edm::ParameterSet& ps)
    : muonGeomToken_(esConsumes<edm::Transition::BeginRun>()),
      readOutMapToken_(esConsumes<edm::Transition::BeginRun>()),
      TtrigToken_(esConsumes<edm::Transition::BeginRun>()),
      T0Token_(esConsumes<edm::Transition::BeginRun>()),
      statusMapToken_(esConsumes()) {
  // switch for the verbosity
  LogTrace("DTDQM|DTMonitorModule|DTDigiTask") << "[DTDigiTask]: Constructor" << endl;

  // The label to retrieve the digis
  dtDigiToken_ = consumes<DTDigiCollection>(ps.getUntrackedParameter<InputTag>("dtDigiLabel"));
  // Read the configuration parameters
  maxTDCHits = ps.getUntrackedParameter<int>("maxTDCHitsPerChamber", 30000);
  // Set to true to read the ttrig from DB (useful to determine in-time and out-of-time hits)
  readTTrigDB = ps.getUntrackedParameter<bool>("readDB", false);
  // Set to true to subtract t0 from test pulses
  subtractT0 = ps.getParameter<bool>("performPerWireT0Calibration");
  // Tmax value (TDC counts)
  defaultTmax = ps.getParameter<int>("defaultTmax");
  // Switch from static to dinamic histo booking
  doStaticBooking = ps.getUntrackedParameter<bool>("staticBooking", true);

  // Switch for local/global runs
  isLocalRun = ps.getUntrackedParameter<bool>("localrun", true);
  if (!isLocalRun) {
    ltcDigiCollectionToken_ =
        consumes<LTCDigiCollection>(ps.getUntrackedParameter<edm::InputTag>("ltcDigiCollectionTag"));
  }

  // Setting for the reset of the ME after n (= ResetCycle) luminosity sections
  resetCycle = ps.getUntrackedParameter<int>("ResetCycle", 3);
  // Check the DB of noisy channels
  checkNoisyChannels = ps.getUntrackedParameter<bool>("checkNoisyChannels", false);
  // Default TTrig to be used when not reading the TTrig DB
  defaultTTrig = ps.getParameter<int>("defaultTtrig");
  inTimeHitsLowerBound = ps.getParameter<int>("inTimeHitsLowerBound");
  inTimeHitsUpperBound = ps.getParameter<int>("inTimeHitsUpperBound");
  timeBoxGranularity = ps.getUntrackedParameter<int>("timeBoxGranularity", 4);
  maxTTMounts = ps.getUntrackedParameter<int>("maxTTMounts", 6400);

  doAllHitsOccupancies = ps.getUntrackedParameter<bool>("doAllHitsOccupancies", true);
  doNoiseOccupancies = ps.getUntrackedParameter<bool>("doNoiseOccupancies", false);
  doInTimeOccupancies = ps.getUntrackedParameter<bool>("doInTimeOccupancies", false);

  // switch on the mode for running on test pulses (different top folder)
  tpMode = ps.getUntrackedParameter<bool>("testPulseMode", false);
  // switch on/off the filtering of synchronous noise events (cutting on the # of digis)
  // time-boxes and occupancy plots are not filled and summary plots are created to report the problem
  filterSyncNoise = ps.getUntrackedParameter<bool>("filterSyncNoise", false);
  // look for synch noisy events, produce histograms but do not filter them
  lookForSyncNoise = ps.getUntrackedParameter<bool>("lookForSyncNoise", false);

  // switch on the mode for running on slice test (different top folder and other customizations)
  sliceTestMode = ps.getUntrackedParameter<bool>("sliceTestMode", false);
  // time pedestal used to set the minimum in the time box plot
  tdcPedestal = ps.getUntrackedParameter<int>("tdcPedestal", 0);

  // switch on production of time-boxes with layer granularity
  doLayerTimeBoxes = ps.getUntrackedParameter<bool>("doLayerTimeBoxes", false);

  syncNumTot = 0;
  syncNum = 0;
}

// destructor
DTDigiTask::~DTDigiTask() {
  LogTrace("DTDQM|DTMonitorModule|DTDigiTask") << "DTDigiTask: analyzed " << nevents << " events" << endl;
}

void DTDigiTask::dqmBeginRun(const edm::Run& run, const edm::EventSetup& context) {
  LogTrace("DTDQM|DTMonitorModule|DTDigiTask") << "[DTDigiTask]: begin run" << endl;
  nevents = 0;

  // Get the geometry
  muonGeom = &context.getData(muonGeomToken_);

  // map of the channels
  mapping = &context.getData(readOutMapToken_);

  // tTrig
  if (readTTrigDB)
    tTrigMap = &context.getData(TtrigToken_);
  // t0s
  if (subtractT0)
    t0Map = &context.getData(T0Token_);
  // FIXME: tMax (not yet from the DB)
  tMax = defaultTmax;

  // ----------------------------------------------------------------------
}

void DTDigiTask::bookHistograms(DQMStore::IBooker& ibooker, edm::Run const& run, edm::EventSetup const& context) {
  if (doStaticBooking) {  // Static histo booking
    // book the event counter
    ibooker.setCurrentFolder("DT/EventInfo/Counters");
    nEventMonitor = ibooker.bookFloat(tpMode ? "nProcessedEventsDigiTP" : "nProcessedEventsDigi");
    ibooker.setCurrentFolder(topFolder());
    for (int wh = -2; wh <= 2; ++wh) {  // loop over wheels
      if (sliceTestMode && wh != 2)
        continue;

      if (doAllHitsOccupancies)
        bookHistos(ibooker, wh, string("Occupancies"), "OccupancyAllHits");

      if (doNoiseOccupancies)
        bookHistos(ibooker, wh, string("Occupancies"), "OccupancyNoise");
      if (doInTimeOccupancies)
        bookHistos(ibooker, wh, string("Occupancies"), "OccupancyInTimeHits");

      if (lookForSyncNoise || filterSyncNoise) {
        bookHistos(ibooker, wh, string("SynchNoise"), "SyncNoiseEvents");
        bookHistos(ibooker, wh, string("SynchNoise"), "SyncNoiseChambs");
      }

      for (int st = 1; st <= 4; ++st) {           // loop over stations
        for (int sect = 1; sect <= 14; ++sect) {  // loop over sectors
          if ((sect == 13 || sect == 14) && st != 4)
            continue;

          if (sliceTestMode && (sect != 12 || wh != 2))
            continue;

          // Get the chamber ID
          const DTChamberId dtChId(wh, st, sect);

          // Occupancies
          if (doAllHitsOccupancies) {
            bookHistos(ibooker, dtChId, string("Occupancies"), "OccupancyAllHits_perCh");
            // set channel mapping
            channelsMap(dtChId, "OccupancyAllHits_perCh");
          }
          if (doNoiseOccupancies)
            bookHistos(ibooker, dtChId, string("Occupancies"), "OccupancyNoise_perCh");
          if (doInTimeOccupancies)
            bookHistos(ibooker, dtChId, string("Occupancies"), "OccupancyInTimeHits_perCh");

          for (int sl = 1; sl <= 3; ++sl) {  // Loop over SLs
            if (st == 4 && sl == 2)
              continue;
            const DTSuperLayerId dtSLId(wh, st, sect, sl);
            if (isLocalRun) {
              bookHistos(ibooker, dtSLId, string("TimeBoxes"), "TimeBox");
            } else {
              // TimeBoxes for different triggers
              bookHistos(ibooker, dtSLId, string("TimeBoxes"), "TimeBoxDTonly");
              bookHistos(ibooker, dtSLId, string("TimeBoxes"), "TimeBoxNoDT");
              bookHistos(ibooker, dtSLId, string("TimeBoxes"), "TimeBoxDTalso");
            }
          }
        }
      }
    }
  }
}

void DTDigiTask::beginLuminosityBlock(LuminosityBlock const& lumiSeg, EventSetup const& context) {
  LogTrace("DTDQM|DTMonitorModule|DTDigiTask") << "[DTDigiTask]: Begin of LS transition" << endl;

  // Reset the MonitorElements every n (= ResetCycle) Lumi Blocks
  int lumiBlock = lumiSeg.id().luminosityBlock();
  if (lumiBlock % resetCycle == 0) {
    LogVerbatim("DTDQM|DTMonitorModule|DTDigiTask")
        << "[DTDigiTask]: Reset at the LS transition : " << lumiBlock << endl;
    // Loop over all ME
    map<string, map<uint32_t, MonitorElement*> >::const_iterator histosIt = digiHistos.begin();
    map<string, map<uint32_t, MonitorElement*> >::const_iterator histosEnd = digiHistos.end();
    for (; histosIt != histosEnd; ++histosIt) {
      map<uint32_t, MonitorElement*>::const_iterator histoIt = (*histosIt).second.begin();
      map<uint32_t, MonitorElement*>::const_iterator histoEnd = (*histosIt).second.end();
      for (; histoIt != histoEnd; ++histoIt) {
        (*histoIt).second->Reset();
      }
    }

    // re-set mapping for not real channels in the occupancyHits per chamber
    for (int wh = -2; wh <= 2; wh++) {
      for (int sect = 1; sect <= 14; sect++) {
        for (int st = 1; st <= 4; st++) {
          if (sliceTestMode && (sect != 12 || wh != 2)) {
            continue;
          }
          if ((sect == 13 || sect == 14) && st != 4) {
            continue;
          }
          const DTChamberId dtChId(wh, st, sect);
          channelsMap(dtChId, "OccupancyAllHits_perCh");
        }
      }
    }

    // loop over wheel summaries
    map<string, map<int, MonitorElement*> >::const_iterator whHistosIt = wheelHistos.begin();
    map<string, map<int, MonitorElement*> >::const_iterator whHistosEnd = wheelHistos.end();
    for (; whHistosIt != whHistosEnd; ++whHistosIt) {
      if ((*whHistosIt).first.find("Sync") == string::npos) {  // FIXME skips synch noise plots
        map<int, MonitorElement*>::const_iterator histoIt = (*whHistosIt).second.begin();
        map<int, MonitorElement*>::const_iterator histoEnd = (*whHistosIt).second.end();
        for (; histoIt != histoEnd; ++histoIt) {
          (*histoIt).second->Reset();
        }
      }
    }
  }
}

void DTDigiTask::bookHistos(DQMStore::IBooker& ibooker, const DTSuperLayerId& dtSL, string folder, string histoTag) {
  // set the folder
  stringstream wheel;
  wheel << dtSL.wheel();
  stringstream station;
  station << dtSL.station();
  stringstream sector;
  sector << dtSL.sector();
  stringstream superLayer;
  superLayer << dtSL.superlayer();
  ibooker.setCurrentFolder(topFolder() + "Wheel" + wheel.str() + "/Sector" + sector.str() + "/Station" + station.str());

  // Build the histo name
  string histoName =
      histoTag + "_W" + wheel.str() + "_St" + station.str() + "_Sec" + sector.str() + "_SL" + superLayer.str();

  LogTrace("DTDQM|DTMonitorModule|DTDigiTask")
      << "[DTDigiTask]: booking SL histo:" << histoName << " (tag: " << histoTag << ") folder: "
      << topFolder() + "Wheel" + wheel.str() + "/Station" + station.str() + "/Sector" + sector.str() + "/" + folder
      << endl;

  // ttrig and rms are TDC counts
  if (readTTrigDB)
    tTrigMap->get(dtSL, tTrig, tTrigRMS, kFactor, DTTimeUnits::counts);
  else
    tTrig = defaultTTrig;

  if (folder == "TimeBoxes") {
    string histoTitle = histoName + " (TDC Counts)";

    if (!readTTrigDB) {
      (digiHistos[histoTag])[dtSL.rawId()] = ibooker.book1D(
          histoName, histoTitle, maxTTMounts / timeBoxGranularity, tdcPedestal, maxTTMounts + tdcPedestal);
      if (doLayerTimeBoxes) {  // Book TimeBoxes per layer
        for (int layer = 1; layer != 5; ++layer) {
          DTLayerId layerId(dtSL, layer);
          stringstream layerHistoName;
          layerHistoName << histoName << "_L" << layer;
          (digiHistos[histoTag])[layerId.rawId()] = ibooker.book1D(layerHistoName.str(),
                                                                   layerHistoName.str(),
                                                                   maxTTMounts / timeBoxGranularity,
                                                                   tdcPedestal,
                                                                   maxTTMounts + tdcPedestal);
        }
      }
    } else {
      (digiHistos[histoTag])[dtSL.rawId()] =
          ibooker.book1D(histoName, histoTitle, 3 * tMax / timeBoxGranularity, tTrig - tMax, tTrig + 2 * tMax);
      if (doLayerTimeBoxes) {
        // Book TimeBoxes per layer
        for (int layer = 1; layer != 5; ++layer) {
          DTLayerId layerId(dtSL, layer);
          stringstream layerHistoName;
          layerHistoName << histoName << "_L" << layer;
          (digiHistos[histoTag])[layerId.rawId()] = ibooker.book1D(
              layerHistoName.str(), layerHistoName.str(), 3 * tMax / timeBoxGranularity, tTrig - tMax, tTrig + 2 * tMax);
        }
      }
    }
  }

  if (folder == "CathodPhotoPeaks") {
    ibooker.setCurrentFolder(topFolder() + "Wheel" + wheel.str() + "/Sector" + sector.str() + "/Station" +
                             station.str() + "/" + folder);
    (digiHistos[histoTag])[dtSL.rawId()] = ibooker.book1D(histoName, histoName, 500, 0, 1000);
  }
}

void DTDigiTask::bookHistos(DQMStore::IBooker& ibooker, const DTChamberId& dtCh, string folder, string histoTag) {
  // set the current folder
  stringstream wheel;
  wheel << dtCh.wheel();
  stringstream station;
  station << dtCh.station();
  stringstream sector;
  sector << dtCh.sector();
  ibooker.setCurrentFolder(topFolder() + "Wheel" + wheel.str() + "/Sector" + sector.str() + "/Station" + station.str());

  // build the histo name
  string histoName = histoTag + "_W" + wheel.str() + "_St" + station.str() + "_Sec" + sector.str();

  LogTrace("DTDQM|DTMonitorModule|DTDigiTask")
      << "[DTDigiTask]: booking chamber histo:"
      << " (tag: " << histoTag
      << ") folder: " << topFolder() + "Wheel" + wheel.str() + "/Station" + station.str() + "/Sector" + sector.str()
      << endl;

  if (folder == "Occupancies") {
    const DTChamber* dtchamber = muonGeom->chamber(dtCh);
    const std::vector<const DTSuperLayer*>& dtSupLylist = dtchamber->superLayers();
    std::vector<const DTSuperLayer*>::const_iterator suly = dtSupLylist.begin();
    std::vector<const DTSuperLayer*>::const_iterator sulyend = dtSupLylist.end();

    int nWires = 0;
    int firstWire = 0;
    int nWires_max = 0;

    while (suly != sulyend) {
      const std::vector<const DTLayer*> dtLyList = (*suly)->layers();
      std::vector<const DTLayer*>::const_iterator ly = dtLyList.begin();
      std::vector<const DTLayer*>::const_iterator lyend = dtLyList.end();
      stringstream superLayer;
      superLayer << (*suly)->id().superlayer();

      while (ly != lyend) {
        nWires = muonGeom->layer((*ly)->id())->specificTopology().channels();
        firstWire = muonGeom->layer((*ly)->id())->specificTopology().firstChannel();
        stringstream layer;
        layer << (*ly)->id().layer();
        string histoName_layer = histoName + "_SL" + superLayer.str() + "_L" + layer.str();
        if (histoTag == "OccupancyAllHits_perL" || histoTag == "OccupancyNoise_perL" ||
            histoTag == "OccupancyInTimeHits_perL")
          (digiHistos[histoTag])[(*ly)->id().rawId()] =
              ibooker.book1D(histoName_layer, histoName_layer, nWires, firstWire, nWires + firstWire);
        ++ly;
        if ((nWires + firstWire) > nWires_max)
          nWires_max = (nWires + firstWire);
      }
      ++suly;
    }

    if (histoTag != "OccupancyAllHits_perL" && histoTag != "OccupancyNoise_perL" &&
        histoTag != "OccupancyInTimeHits_perL") {
      // Set the title to show the time interval used (only if unique == not from DB)
      string histoTitle = histoName;
      if (!readTTrigDB && histoTag == "OccupancyInTimeHits_perCh") {
        stringstream title;
        int inTimeHitsLowerBoundCorr = int(round(defaultTTrig)) - inTimeHitsLowerBound;
        int inTimeHitsUpperBoundCorr = int(round(defaultTTrig)) + defaultTmax + inTimeHitsUpperBound;
        title << "Occ. digis in time [" << inTimeHitsLowerBoundCorr << ", " << inTimeHitsUpperBoundCorr
              << "] (TDC counts)";
        histoTitle = title.str();
      }
      (digiHistos[histoTag])[dtCh.rawId()] =
          ibooker.book2D(histoName, histoTitle, nWires_max, 1, nWires_max + 1, 12, 0, 12);

      for (int i = 1; i <= 12; i++) {
        if (i < 5) {
          stringstream layer;
          string layer_name;
          layer << i;
          layer >> layer_name;
          string label = "SL1: L" + layer_name;
          (digiHistos[histoTag])[dtCh.rawId()]->setBinLabel(i, label, 2);
        } else if (i > 4 && i < 9) {
          stringstream layer;
          string layer_name;
          layer << (i - 4);
          layer >> layer_name;
          string label = "SL2: L" + layer_name;
          (digiHistos[histoTag])[dtCh.rawId()]->setBinLabel(i, label, 2);
        } else if (i > 8 && i < 13) {
          stringstream layer;
          string layer_name;
          layer << (i - 8);
          layer >> layer_name;
          string label = "SL3: L" + layer_name;
          (digiHistos[histoTag])[dtCh.rawId()]->setBinLabel(i, label, 2);
        }
      }
    }
  }
}

void DTDigiTask::bookHistos(DQMStore::IBooker& ibooker, const int wheelId, string folder, string histoTag) {
  // Set the current folder
  stringstream wheel;
  wheel << wheelId;

  // build the histo name
  string histoName = histoTag + "_W" + wheel.str();

  LogTrace("DTDQM|DTMonitorModule|DTDigiTask")
      << "[DTDigiTask]: booking wheel histo:" << histoName << " (tag: " << histoTag
      << ") folder: " << topFolder() + "Wheel" + wheel.str() + "/" << endl;

  if (folder == "Occupancies") {
    ibooker.setCurrentFolder(topFolder() + "Wheel" + wheel.str());
    string histoTitle = "# of digis per chamber WHEEL: " + wheel.str();
    (wheelHistos[histoTag])[wheelId] = ibooker.book2D(histoName, histoTitle, 12, 1, 13, 4, 1, 5);
    (wheelHistos[histoTag])[wheelId]->setBinLabel(1, "MB1", 2);
    (wheelHistos[histoTag])[wheelId]->setBinLabel(2, "MB2", 2);
    (wheelHistos[histoTag])[wheelId]->setBinLabel(3, "MB3", 2);
    (wheelHistos[histoTag])[wheelId]->setBinLabel(4, "MB4", 2);
    (wheelHistos[histoTag])[wheelId]->setAxisTitle("sector", 1);
  } else if (folder == "SynchNoise") {
    ibooker.setCurrentFolder("DT/05-Noise/SynchNoise");
    if (histoTag == "SyncNoiseEvents") {
      string histoTitle = "# of Syncronous-noise events WHEEL: " + wheel.str();
      (wheelHistos[histoTag])[wheelId] = ibooker.book2D(histoName, histoTitle, 12, 1, 13, 4, 1, 5);
      (wheelHistos[histoTag])[wheelId]->setBinLabel(1, "MB1", 2);
      (wheelHistos[histoTag])[wheelId]->setBinLabel(2, "MB2", 2);
      (wheelHistos[histoTag])[wheelId]->setBinLabel(3, "MB3", 2);
      (wheelHistos[histoTag])[wheelId]->setBinLabel(4, "MB4", 2);
      (wheelHistos[histoTag])[wheelId]->setAxisTitle("sector", 1);
    } else if (histoTag == "SyncNoiseChambs") {
      string histoTitle = "# of Synchornous-noise chamb per evt. WHEEL: " + wheel.str();
      (wheelHistos[histoTag])[wheelId] = ibooker.book1D(histoName, histoTitle, 50, 0.5, 50.5);
      (wheelHistos[histoTag])[wheelId]->setAxisTitle("# of noisy chambs.", 1);
      (wheelHistos[histoTag])[wheelId]->setAxisTitle("# of evts.", 2);
    }
  }
}
// does the real job
void DTDigiTask::analyze(const edm::Event& event, const edm::EventSetup& c) {
  nevents++;
  nEventMonitor->Fill(nevents);
  if (nevents % 1000 == 0) {
    LogTrace("DTDQM|DTMonitorModule|DTDigiTask")
        << "[DTDigiTask] Analyze #Run: " << event.id().run() << " #Event: " << event.id().event() << endl;
  }

  // Get the ingredients from the event

  // Digi collection
  edm::Handle<DTDigiCollection> dtdigis;
  event.getByToken(dtDigiToken_, dtdigis);

  // LTC digis
  if (!isLocalRun)
    event.getByToken(ltcDigiCollectionToken_, ltcdigis);

  // Status map (for noisy channels)
  if (checkNoisyChannels) {
    // Get the map of noisy channels
    statusMap = &c.getData(statusMapToken_);
  }

  string histoTag;

  // Check if the digi container is empty
  if (dtdigis->begin() == dtdigis->end()) {
    LogTrace("DTDQM|DTMonitorModule|DTDigiTask") << "Event " << nevents << " empty." << endl;
  }

  if (lookForSyncNoise || filterSyncNoise) {  // dosync
    // Count the # of digis per chamber
    DTDigiCollection::DigiRangeIterator dtLayerId_It;
    for (dtLayerId_It = dtdigis->begin(); dtLayerId_It != dtdigis->end(); dtLayerId_It++) {
      DTChamberId chId = ((*dtLayerId_It).first).chamberId();
      if (hitMap.find(chId) == hitMap.end()) {  // new chamber
        hitMap[chId] = 0;
      }
      hitMap[chId] += (((*dtLayerId_It).second).second - ((*dtLayerId_It).second).first);
    }

    // check chamber with # of digis above threshold and flag them as noisy
    map<DTChamberId, int>::const_iterator hitMapIt = hitMap.begin();
    map<DTChamberId, int>::const_iterator hitMapEnd = hitMap.end();

    map<int, int> chMap;

    for (; hitMapIt != hitMapEnd; ++hitMapIt) {
      if ((hitMapIt->second) > maxTDCHits) {
        DTChamberId chId = hitMapIt->first;
        int wh = chId.wheel();

        LogTrace("DTDQM|DTMonitorModule|DTDigiTask")
            << "[DTDigiTask] Synch noise in chamber: " << chId << " with # digis: " << hitMapIt->second << endl;

        if (chMap.find(wh) == chMap.end()) {
          chMap[wh] = 0;
        }
        chMap[wh]++;

        syncNoisyChambers.insert(chId);

        wheelHistos["SyncNoiseEvents"][wh]->Fill(chId.sector(), chId.station());
      }
    }

    // fill # of noisy ch per wheel plot
    map<int, int>::const_iterator chMapIt = chMap.begin();
    map<int, int>::const_iterator chMapEnd = chMap.end();
    for (; chMapIt != chMapEnd; ++chMapIt) {
      wheelHistos["SyncNoiseChambs"][(*chMapIt).first]->Fill((*chMapIt).second);
    }

    // clear the map of # of digis per chamber: not needed anymore
    hitMap.clear();

    if (!syncNoisyChambers.empty()) {
      LogVerbatim("DTDQM|DTMonitorModule|DTDigiTask") << "[DTDigiTask] Synch Noise in event: " << nevents;
      if (filterSyncNoise)
        LogVerbatim("DTDQM|DTMonitorModule|DTDigiTask")
            << "\tnoisy time-boxes and occupancy will not be filled!" << endl;
      syncNumTot++;
      syncNum++;
    }

    // Logging of "large" synch Noisy events in private DQM
    if (syncNoisyChambers.size() > 3) {
      time_t eventTime = time_t(event.time().value() >> 32);

      LogVerbatim("DTDQM|DTMonitorModule|DTDigiTask|DTSynchNoise")
          << "[DTDigiTask] At least 4 Synch Noisy chambers in Run : " << event.id().run()
          << " Lumi : " << event.id().luminosityBlock() << " Event : " << event.id().event()
          << " at time : " << ctime(&eventTime) << endl;

      set<DTChamberId>::const_iterator chIt = syncNoisyChambers.begin();
      set<DTChamberId>::const_iterator chEnd = syncNoisyChambers.end();

      stringstream synchNoisyCh;
      for (; chIt != chEnd; ++chIt) {
        synchNoisyCh << " " << (*chIt);
      }
      LogVerbatim("DTDQM|DTMonitorModule|DTDigiTask|DTSynchNoise")
          << "[DTDigiTask] Chamber List :" << synchNoisyCh.str() << endl;
    }

    if (nevents % 1000 == 0) {
      LogVerbatim("DTDQM|DTMonitorModule|DTDigiTask")
          << (syncNumTot * 100. / nevents) << "% sync noise events since the beginning \n"
          << (syncNum * 0.1) << "% sync noise events in the last 1000 events " << endl;
      syncNum = 0;
    }
  }

  bool isSyncNoisy = false;

  DTDigiCollection::DigiRangeIterator dtLayerId_It;
  for (dtLayerId_It = dtdigis->begin(); dtLayerId_It != dtdigis->end(); ++dtLayerId_It) {  // Loop over layers
    isSyncNoisy = false;
    // check if chamber labeled as synch noisy
    if (filterSyncNoise) {
      DTChamberId chId = ((*dtLayerId_It).first).chamberId();
      if (syncNoisyChambers.find(chId) != syncNoisyChambers.end()) {
        isSyncNoisy = true;
      }
    }

    for (DTDigiCollection::const_iterator digiIt = ((*dtLayerId_It).second).first;
         digiIt != ((*dtLayerId_It).second).second;
         ++digiIt) {  // Loop over all digis

      bool isNoisy = false;
      bool isFEMasked = false;
      bool isTDCMasked = false;
      bool isTrigMask = false;
      bool isDead = false;
      bool isNohv = false;
      if (checkNoisyChannels) {
        const DTWireId wireId(((*dtLayerId_It).first), (*digiIt).wire());
        statusMap->cellStatus(wireId, isNoisy, isFEMasked, isTDCMasked, isTrigMask, isDead, isNohv);
      }

      // Get the useful IDs
      const DTSuperLayerId dtSLId = ((*dtLayerId_It).first).superlayerId();
      uint32_t indexSL = dtSLId.rawId();
      const DTChamberId dtChId = dtSLId.chamberId();
      uint32_t indexCh = dtChId.rawId();
      int layer_number = ((*dtLayerId_It).first).layer();
      int superlayer_number = dtSLId.superlayer();

      // Read the ttrig DB or set a rough value from config
      // ttrig and rms are TDC counts
      if (readTTrigDB)
        tTrigMap->get(((*dtLayerId_It).first).superlayerId(), tTrig, tTrigRMS, kFactor, DTTimeUnits::counts);
      else
        tTrig = defaultTTrig;

      int inTimeHitsLowerBoundCorr = int(round(tTrig)) - inTimeHitsLowerBound;
      int inTimeHitsUpperBoundCorr = int(round(tTrig)) + tMax + inTimeHitsUpperBound;

      float t0;
      float t0RMS;
      int tdcTime = (*digiIt).countsTDC();

      if (subtractT0) {
        const DTWireId dtWireId(((*dtLayerId_It).first), (*digiIt).wire());
        // t0s and rms are TDC counts
        t0Map->get(dtWireId, t0, t0RMS, DTTimeUnits::counts);
        tdcTime += int(round(t0));
      }

      if (sliceTestMode) {
        tdcTime = std::max(tdcPedestal + 1, std::min(tdcPedestal + maxTTMounts - 1, tdcTime));
        // std::cout << tdcTime << std::endl;
      }

      // Fill Time-Boxes
      // NOTE: avoid to fill TB and PhotoPeak with noise. Occupancy are filled anyway
      if ((!isNoisy) && (!isSyncNoisy)) {  // Discard noisy channels
        // TimeBoxes per SL
        histoTag = "TimeBox" + triggerSource();

        (digiHistos.find(histoTag)->second).find(indexSL)->second->Fill(tdcTime);
        if (doLayerTimeBoxes)
          (digiHistos.find(histoTag)->second).find((*dtLayerId_It).first.rawId())->second->Fill(tdcTime);
      }

      // Fill Occupancies
      if (!isSyncNoisy) {  // Discard synch noisy channels

        if (doAllHitsOccupancies) {  // fill occupancies for all hits
          //Occupancies per chamber & layer
          histoTag = "OccupancyAllHits_perCh";
          map<uint32_t, MonitorElement*>::const_iterator mappedHisto = digiHistos[histoTag].find(indexCh);

          //FR comment the following cannot pass ibooker to analyze method!
          /*
          if (mappedHisto == digiHistos[histoTag].end()) { // dynamic booking
            bookHistos(ibooker, dtChId, string("Occupancies"), histoTag);
            mappedHisto = digiHistos[histoTag].find(indexCh);
          }
      */
          mappedHisto->second->Fill((*digiIt).wire(), (layer_number + (superlayer_number - 1) * 4) - 1);

          // Fill the chamber occupancy
          histoTag = "OccupancyAllHits";
          map<int, MonitorElement*>::const_iterator histoPerWheel = wheelHistos[histoTag].find(dtChId.wheel());

          histoPerWheel->second->Fill(dtChId.sector(), dtChId.station());  // FIXME: normalize to # of layers
        }

        if (doNoiseOccupancies) {  // fill occupancies for hits before the ttrig
          if (tdcTime < inTimeHitsLowerBoundCorr) {
            // FIXME: what about tdcTime > inTimeHitsUpperBoundCorr ???

            // Noise: Before tTrig
            //Occupancies Noise per chamber & layer
            histoTag = "OccupancyNoise_perCh";
            map<uint32_t, MonitorElement*>::const_iterator mappedHisto = digiHistos[histoTag].find(indexCh);

            mappedHisto->second->Fill((*digiIt).wire(), (layer_number + (superlayer_number - 1) * 4) - 1);

            // Fill the chamber occupancy

            histoTag = "OccupancyNoise";
            map<int, MonitorElement*>::const_iterator histoPerWheel = wheelHistos[histoTag].find(dtChId.wheel());

            histoPerWheel->second->Fill(dtChId.sector(), dtChId.station());  // FIXME: normalize to # of layers
          }
        }

        if (doInTimeOccupancies) {  // fill occpunacies for in-time hits only
          if (tdcTime > inTimeHitsLowerBoundCorr && tdcTime < inTimeHitsUpperBoundCorr) {
            // Physical hits: within the time window

            //Occupancies Signal per chamber & layer
            histoTag = "OccupancyInTimeHits_perCh";
            map<uint32_t, MonitorElement*>::const_iterator mappedHisto = digiHistos[histoTag].find(indexCh);

            mappedHisto->second->Fill((*digiIt).wire(), (layer_number + (superlayer_number - 1) * 4) - 1);

            // Fill the chamber occupancy
            histoTag = "OccupancyInTimeHits";
            map<int, MonitorElement*>::const_iterator histoPerWheel = wheelHistos[histoTag].find(dtChId.wheel());

            histoPerWheel->second->Fill(dtChId.sector(), dtChId.station());  // FIXME: normalize to # of layers
          }
        }
      }
    }
  }

  syncNoisyChambers.clear();
}

string DTDigiTask::triggerSource() {
  string l1ASource;
  if (isLocalRun)
    return l1ASource;

  for (std::vector<LTCDigi>::const_iterator ltc_it = ltcdigis->begin(); ltc_it != ltcdigis->end(); ltc_it++) {
    size_t otherTriggerSum = 0;
    for (size_t i = 1; i < 6; i++)
      otherTriggerSum += size_t((*ltc_it).HasTriggered(i));

    if ((*ltc_it).HasTriggered(0) && otherTriggerSum == 0)
      l1ASource = "DTonly";
    else if (!(*ltc_it).HasTriggered(0))
      l1ASource = "NoDT";
    else if ((*ltc_it).HasTriggered(0) && otherTriggerSum > 0)
      l1ASource = "DTalso";
  }

  return l1ASource;
}

string DTDigiTask::topFolder() const {
  if (tpMode)
    return string("DT/10-TestPulses/");
  else if (sliceTestMode)
    return string("DT/01-SliceTestDigi/");
  return string("DT/01-Digi/");
}

void DTDigiTask::channelsMap(const DTChamberId& dtCh, string histoTag) {
  // n max channels
  int nWires_max = (digiHistos[histoTag])[dtCh.rawId()]->getNbinsX();

  // set bin content = -1 for each not real channel. For visualization purposes
  for (int sl = 1; sl <= 3; sl++) {
    for (int ly = 1; ly <= 4; ly++) {
      for (int ch = 1; ch <= nWires_max; ch++) {
        int dduId = -1, rosId = -1, robId = -1, tdcId = -1, channelId = -1;
        int realCh = mapping->geometryToReadOut(
            dtCh.wheel(), dtCh.station(), dtCh.sector(), sl, ly, ch, dduId, rosId, robId, tdcId, channelId);

        // realCh = 0 if the channel exists, while realCh = 1 if it does not exist
        if (realCh) {
          int lybin = (4 * sl - 4) + ly;
          (digiHistos[histoTag])[dtCh.rawId()]->setBinContent(ch, lybin, -1.);
        }
      }
    }
  }
}

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