RPCMonitorDigi.cc

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#include <set>
#include <sstream>
#include "DQM/RPCMonitorDigi/interface/RPCMonitorDigi.h"
#include "DQM/RPCMonitorDigi/interface/utils.h"
#include "Geometry/Records/interface/MuonGeometryRecord.h"
#include "Geometry/CommonDetUnit/interface/GeomDet.h"
#include "Geometry/RPCGeometry/interface/RPCGeomServ.h"
#include "Geometry/RPCGeometry/interface/RPCGeometry.h"
//Tracking Tools
#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
//FW Core
#include "FWCore/MessageLogger/interface/MessageLogger.h"
//Reco Muon
#include "RecoMuon/TransientTrackingRecHit/interface/MuonTransientTrackingRecHit.h"

const std::string RPCMonitorDigi::regionNames_[3] =  {"Endcap-", "Barrel", "Endcap+"};

RPCMonitorDigi::RPCMonitorDigi( const edm::ParameterSet& pset )
 : counter(0),
   numberOfDisks_(0),
   numberOfInnerRings_(0){

  saveRootFile  = pset.getUntrackedParameter<bool>("SaveRootFile", false); 
  RootFileName  = pset.getUntrackedParameter<std::string>("RootFileName", "RPCMonitorDigiDQM.root"); 

  useMuonDigis_=  pset.getUntrackedParameter<bool>("UseMuon", true);
  useRollInfo_=  pset.getUntrackedParameter<bool>("UseRollInfo", false);

  muPtCut_  = pset.getUntrackedParameter<double>("MuonPtCut", 3.0); 
  muEtaCut_ = pset.getUntrackedParameter<double>("MuonEtaCut", 1.9); 
 
  subsystemFolder_ = pset.getUntrackedParameter<std::string>("RPCFolder", "RPC");
  globalFolder_ = pset.getUntrackedParameter<std::string>("GlobalFolder", "SummaryHistograms");

  //Parametersets for tokens
  muonLabel_  = consumes<reco::CandidateView>(pset.getParameter<edm::InputTag>("MuonLabel")); 
  rpcRecHitLabel_  = consumes<RPCRecHitCollection>(pset.getParameter<edm::InputTag>("RecHitLabel"));
  scalersRawToDigiLabel_  = consumes<DcsStatusCollection>(pset.getParameter<edm::InputTag>("ScalersRawToDigiLabel"));

  noiseFolder_ = pset.getUntrackedParameter<std::string>("NoiseFolder", "AllHits");
  muonFolder_ = pset.getUntrackedParameter<std::string>("MuonFolder", "Muon");

}

RPCMonitorDigi::~RPCMonitorDigi(){}


void RPCMonitorDigi::bookHistograms(DQMStore::IBooker & ibooker, edm::Run const &r, edm::EventSetup const & iSetup){

  edm::LogInfo ("rpcmonitordigi") <<"[RPCMonitorDigi]: Begin Run " ;
  
  std::set<int> disk_set, ring_set;
  edm::ESHandle<RPCGeometry> rpcGeo;
  iSetup.get<MuonGeometryRecord>().get(rpcGeo);

  //loop on geometry to book all MEs
  edm::LogInfo ("rpcmonitordigi") <<"[RPCMonitorDigi]: Booking histograms per roll. " ;
  for (TrackingGeometry::DetContainer::const_iterator it=rpcGeo->dets().begin();it<rpcGeo->dets().end();it++){
    if(dynamic_cast< const RPCChamber* >( *it ) != 0 ){
      const RPCChamber* ch = dynamic_cast< const RPCChamber* >( *it ); 
      std::vector< const RPCRoll*> roles = (ch->rolls());
      if(useRollInfo_){
    for(std::vector<const RPCRoll*>::const_iterator r = roles.begin();r != roles.end(); ++r){
      RPCDetId rpcId = (*r)->id();

      //get station and inner ring
      if(rpcId.region()!=0){
        disk_set.insert(rpcId.station());
        ring_set.insert(rpcId.ring());
      }

      //booking all histograms
      RPCGeomServ rpcsrv(rpcId);
      std::string nameID = rpcsrv.name();
      if(useMuonDigis_) bookRollME(ibooker,rpcId ,iSetup, muonFolder_, meMuonCollection[nameID]);
      bookRollME(ibooker, rpcId, iSetup, noiseFolder_, meNoiseCollection[nameID]);
    }
      }else{
    RPCDetId rpcId = roles[0]->id(); //any roll would do - here I just take the first one
    RPCGeomServ rpcsrv(rpcId);
    std::string nameID = rpcsrv.chambername();
    if(useMuonDigis_) bookRollME(ibooker, rpcId,iSetup, muonFolder_, meMuonCollection[nameID]);
    bookRollME(ibooker, rpcId, iSetup, noiseFolder_, meNoiseCollection[nameID]);
    if(rpcId.region()!=0){
      disk_set.insert(rpcId.station());
      ring_set.insert(rpcId.ring());
    }
      }
    }
  }//end loop on geometry to book all MEs

  numberOfDisks_ = disk_set.size();
  numberOfInnerRings_ = (*ring_set.begin());
  
  //Book 
  this->bookRegionME(ibooker,noiseFolder_, regionNoiseCollection);
  this->bookSectorRingME(ibooker,noiseFolder_, sectorRingNoiseCollection);
  this->bookWheelDiskME(ibooker,noiseFolder_, wheelDiskNoiseCollection);

  std::string currentFolder = subsystemFolder_ +"/"+noiseFolder_;
  ibooker.setCurrentFolder(currentFolder);
 
  noiseRPCEvents_ = ibooker.book1D("RPCEvents","RPCEvents", 1, 0.5, 1.5);
  
  if(useMuonDigis_ ){
    this->bookRegionME(ibooker, muonFolder_, regionMuonCollection);
    this->bookSectorRingME(ibooker, muonFolder_, sectorRingMuonCollection);
    this->bookWheelDiskME(ibooker, muonFolder_, wheelDiskMuonCollection);
    
    currentFolder = subsystemFolder_ +"/"+muonFolder_;
    ibooker.setCurrentFolder(currentFolder); 
   
    muonRPCEvents_ =  ibooker.book1D("RPCEvents", "RPCEvents", 1, 0.5, 1.5);
    NumberOfMuon_ = ibooker.book1D("NumberOfMuons", "Number of Muons", 11, -0.5, 10.5);
    NumberOfRecHitMuon_ = ibooker.book1D("NumberOfRecHitMuons", "Number of RPC RecHits per Muon", 8, -0.5, 7.5);
  }

}

void RPCMonitorDigi::analyze(const edm::Event& event,const edm::EventSetup& setup ){

  counter++;
  edm::LogInfo ("rpcmonitordigi") <<"[RPCMonitorDigi]: Beginning analyzing event " << counter;
 
  //Muons
  edm::Handle<reco::CandidateView> muonCands;
  event.getByToken(muonLabel_, muonCands);

  std::map<RPCDetId  , std::vector<RPCRecHit> > rechitMuon;

  int  numMuons = 0;
  int  numRPCRecHit = 0 ;

  if(muonCands.isValid()){

    int nStaMuons = muonCands->size();
    
    for( int i = 0; i < nStaMuons; i++ ) {
      
      const reco::Candidate & goodMuon = (*muonCands)[i];
      const reco::Muon * muCand = dynamic_cast<const reco::Muon*>(&goodMuon);
    
      if(!muCand->isGlobalMuon())continue;
      if(muCand->pt() < muPtCut_  ||  fabs(muCand->eta())>muEtaCut_) continue;
      numMuons++;
      reco::Track muTrack = (*(muCand->outerTrack()));
      std::vector<TrackingRecHitRef > rpcTrackRecHits;
      //loop on mu rechits
      for ( trackingRecHit_iterator it= muTrack.recHitsBegin(); it !=  muTrack.recHitsEnd() ; it++) {
    if (!(*it)->isValid ())continue;
    int muSubDetId = (*it)->geographicalId().subdetId();
    if(muSubDetId == MuonSubdetId::RPC)  {
      numRPCRecHit ++;
      TrackingRecHit * tkRecHit = (*it)->clone();
      RPCRecHit* rpcRecHit = dynamic_cast<RPCRecHit*>(tkRecHit);
      int detId = (int)rpcRecHit->rpcId();
      if(rechitMuon.find(detId) == rechitMuon.end() || rechitMuon[detId].size() == 0){
        std::vector<RPCRecHit>  myVect(1,*rpcRecHit );    
        rechitMuon[detId]= myVect;
      }else {
        rechitMuon[detId].push_back(*rpcRecHit);
      }
    }
      }// end loop on mu rechits
    
    }

    //Fill muon counter
    if( NumberOfMuon_) { NumberOfMuon_->Fill(numMuons);}
   
    //Fill rechit counter for muons
    if( NumberOfRecHitMuon_ && numMuons>0) { NumberOfRecHitMuon_->Fill( numRPCRecHit);}

    //Fill counter of RPC events with rechits associated in with a muon
    if( muonRPCEvents_ != 0 && numRPCRecHit>0 )  {muonRPCEvents_->Fill(1);}

    //Perform client operation 
    this->performSourceOperation(rechitMuon, muonFolder_);
       
  }else{
    edm::LogError ("rpcmonitordigi") <<"[RPCMonitorDigi]: Muons - Product not valid for event" << counter;
  }
  
 //RecHits
  edm::Handle<RPCRecHitCollection> rpcHits;
  event.getByToken( rpcRecHitLabel_ , rpcHits);
  std::map<RPCDetId  , std::vector<RPCRecHit> > rechitNoise;

  
  if(rpcHits.isValid()){
   
    //    RPC rec hits NOT associated to a muon
    RPCRecHitCollection::const_iterator rpcRecHitIter;
    std::vector<RPCRecHit>::const_iterator muonRecHitIter;
    
    for (rpcRecHitIter = rpcHits->begin(); rpcRecHitIter != rpcHits->end() ; rpcRecHitIter++) {
      RPCRecHit rpcRecHit = (*rpcRecHitIter);
      int detId = (int)rpcRecHit.rpcId();
      if(rechitNoise.find(detId) == rechitNoise.end() || rechitNoise[detId].size() == 0){
    std::vector<RPCRecHit>  myVect(1,rpcRecHit );
    rechitNoise[detId]= myVect;
      }else {
    rechitNoise[detId].push_back(rpcRecHit);
      }
    }
  }else{
    edm::LogError ("rpcmonitordigi") <<"[RPCMonitorDigi]: RPCRecHits - Product not valid for event" << counter;
  }

 
  //Fill counter for all RPC events 
  if( noiseRPCEvents_ != 0 &&  !rechitNoise.empty())  {noiseRPCEvents_->Fill(1);}
  //Perform client operation 
  this->performSourceOperation(rechitNoise, noiseFolder_);

}


void RPCMonitorDigi::performSourceOperation(  std::map<RPCDetId , std::vector<RPCRecHit> > & recHitMap, std::string recHittype){

  edm::LogInfo ("rpcmonitordigi") <<"[RPCMonitorDigi]: Performing DQM source operations for "; 
  
  if(recHitMap.size()==0) {return;} //if  

  std::map<std::string, std::map<std::string, MonitorElement*> >  meRollCollection ;
  std::map<std::string, MonitorElement*>   meWheelDisk ;
  std::map<std::string, MonitorElement*>   meRegion ;
  std::map<std::string, MonitorElement*>   meSectorRing;  

  if(recHittype == muonFolder_ ) {
    meRollCollection = meMuonCollection;
    meWheelDisk =  wheelDiskMuonCollection;
    meRegion =  regionMuonCollection;
    meSectorRing =  sectorRingMuonCollection;
  }else if(recHittype == noiseFolder_ ){
    meRollCollection =  meNoiseCollection;
    meWheelDisk =  wheelDiskNoiseCollection;
    meRegion =  regionNoiseCollection;
    meSectorRing =  sectorRingNoiseCollection;
  }else{
    edm::LogWarning("rpcmonitordigi")<<"[RPCMonitorDigi]: RecHit type not valid.";
    return;
  }

  int totalNumberOfRecHits[3] ={ 0, 0, 0};
  std::stringstream os;

  //Loop on Rolls
  for ( std::map<RPCDetId , std::vector<RPCRecHit> >::const_iterator detIdIter = recHitMap.begin(); detIdIter !=  recHitMap.end() ;  detIdIter++){
    
    RPCDetId detId = (*detIdIter).first;
    // int id=detId();
    
    //get roll number
    rpcdqm::utils rpcUtils;
    int nr = rpcUtils.detId2RollNr(detId);
     
    RPCGeomServ geoServ(detId);
    std::string nameRoll = "";

    if(useRollInfo_) nameRoll = geoServ.name();
    else nameRoll = geoServ.chambername();

    int region=(int)detId.region();
    int wheelOrDiskNumber;
    std::string wheelOrDiskType;
    int ring = 0 ;
    int sector  = detId.sector();
    int layer = 0;
    int totalRolls = 3;
    int roll = detId.roll();
    if(region == 0) {
      wheelOrDiskType = "Wheel";  
      wheelOrDiskNumber = (int)detId.ring();
      int station = detId.station();
     
      if(station == 1){
    if(detId.layer() == 1){
      layer = 1; //RB1in
      totalRolls = 2;
    }else{
      layer = 2; //RB1out
      totalRolls = 2;
    }
    if(roll == 3) roll =2; // roll=3 is Forward
      }else if(station == 2){
        if(detId.layer() == 1){
      layer = 3; //RB2in
      if( abs(wheelOrDiskNumber) ==2 && roll == 3) {
        roll = 2; //W -2, +2 RB2in has only 2 rolls
        totalRolls = 2;
      }
        }else{
      layer = 4; //RB2out
      if( abs(wheelOrDiskNumber) !=2 && roll == 3){
        roll = 2;//W -1, 0, +1 RB2out has only 2 rolls
        totalRolls = 2;
      }
    }
      }else if (station == 3){
    layer = 5; //RB3
    totalRolls = 2;
    if(roll == 3) roll =2;
      }else{
    layer = 6; //RB4
    totalRolls = 2;
    if(roll == 3) roll =2;
      }

    }else {
      wheelOrDiskType =  "Disk";
      wheelOrDiskNumber = region*(int)detId.station();
      ring = detId.ring();
    }

    std::vector<RPCRecHit> recHits  = (*detIdIter).second;
    int numberOfRecHits = recHits.size();
    totalNumberOfRecHits[region + 1 ] +=  numberOfRecHits;

    std::set<int> bxSet ;
    int numDigi = 0;

    std::map<std::string, MonitorElement*>  meMap = meRollCollection[nameRoll];

    //Loop on recHits
    for(std::vector<RPCRecHit>::const_iterator recHitIter = recHits.begin(); recHitIter != recHits.end(); recHitIter++){
      RPCRecHit recHit = (*recHitIter);

      int bx = recHit.BunchX();
      bxSet.insert(bx); 
      int clusterSize = (int)recHit.clusterSize();
      numDigi +=  clusterSize ;
      int firstStrip = recHit.firstClusterStrip();
      int lastStrip = clusterSize + firstStrip - 1;
          
      // ###################### Roll Level  #################################
      
      os.str("");
      os<<"Occupancy_"<<nameRoll;
      if(meMap[os.str()]) {
    for(int s=firstStrip; s<= lastStrip; s++){
      if(useRollInfo_) { meMap[os.str()]->Fill(s);}
      else{ 
        int nstrips =   meMap[os.str()]->getNbinsX()/totalRolls;
        meMap[os.str()]->Fill(s + nstrips*(roll-1)); }
    }
      }
      
      os.str("");
      os<<"BXDistribution_"<<nameRoll;
      if(meMap[os.str()]) meMap[os.str()]->Fill(bx);

  
      os.str("");
      os<<"ClusterSize_"<<nameRoll;
      if(meMap[os.str()]) meMap[os.str()]->Fill(clusterSize);
 


      // ###################### Sector- Ring Level #################################


      os.str("");
      os<<"Occupancy_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber<<"_Sector_"<<sector;
      if( meSectorRing[os.str()]){ 
    for(int s=firstStrip; s<= lastStrip; s++){//Loop on digis
       meSectorRing[os.str()]->Fill(s, nr);
    }
      }

      os.str("");
      if(geoServ.segment() > 0 && geoServ.segment() < 19 ){ 
    os<<"Occupancy_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber<<"_Ring_"<<ring<<"_CH01-CH18";
      }else if (geoServ.segment() > 18 ){
    os<<"Occupancy_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber<<"_Ring_"<<ring<<"_CH19-CH36";
      }
     
      if( meSectorRing[os.str()]){ 
    for(int s=firstStrip; s<= lastStrip; s++){//Loop on digis
       meSectorRing[os.str()]->Fill(s + 32*(detId.roll()-1),  geoServ.segment());
    }
      }

      // ###################### Wheel/Disk Level #########################ààà      if(region ==0){
    os.str("");
    os<<"1DOccupancy_Wheel_"<<wheelOrDiskNumber;
    if( meWheelDisk[os.str()]) meWheelDisk[os.str()]->Fill(sector, clusterSize);
    
    os.str("");
    os<<"Occupancy_Roll_vs_Sector_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber;       
    if (meWheelDisk[os.str()]) meWheelDisk[os.str()]->Fill(sector, nr, clusterSize);

      }else{
    os.str("");
    os<<"1DOccupancy_Ring_"<<ring;
    if ((meWheelDisk[os.str()])){
      if (wheelOrDiskNumber > 0 ) {meWheelDisk[os.str()]->Fill(wheelOrDiskNumber + numberOfDisks_, clusterSize);}
        else {meWheelDisk[os.str()]->Fill(wheelOrDiskNumber + numberOfDisks_+1, clusterSize);}
    }

    os.str("");
    os<<"Occupancy_Ring_vs_Segment_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber;   
    if (meWheelDisk[os.str()]) meWheelDisk[os.str()]->Fill( geoServ.segment(), (ring-1)*3-detId.roll()+1,clusterSize );
      }

      os.str("");
      os<<"BxDistribution_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber;
      if(meWheelDisk[os.str()])  meWheelDisk[os.str()]->Fill(bx);
      
  
      os.str("");
      os<<"ClusterSize_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber<<"_Layer"<<layer;
      if(meWheelDisk[os.str()]) meWheelDisk[os.str()] -> Fill(clusterSize);
 

      os.str("");
      os<<"ClusterSize_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber<<"_Ring"<<ring;
      if(meWheelDisk[os.str()]) meWheelDisk[os.str()] -> Fill(clusterSize);


    // ######################  Global  ##################################
 

      os.str("");
      os<<"ClusterSize_"<<RPCMonitorDigi::regionNames_[region +1];
      if(meRegion[os.str()]) meRegion[os.str()] -> Fill(clusterSize);

      os.str("");
      os<<"ClusterSize_";
      if(region == 0){
    os<<"Layer"<<layer;
      }else{
    os<<"Ring"<<ring;
      }
      if(meRegion[os.str()]) meRegion[os.str()] -> Fill(clusterSize);

      
    }//end loop on recHits
  
    os.str("");
    os<<"BXWithData_"<<nameRoll;
    if(meMap[os.str()]) meMap[os.str()]->Fill(bxSet.size());
    
    os.str("");
    os<<"NumberOfClusters_"<<nameRoll;
    if(meMap[os.str()]) meMap[os.str()]->Fill( numberOfRecHits);

    os.str("");
    os<<"Multiplicity_"<<RPCMonitorDigi::regionNames_[region +1];
    if(meRegion[os.str()]) meRegion[os.str()]->Fill(numDigi);

    os.str("");
    if(region==0) {
      os<<"Occupancy_for_Barrel";
      if(meRegion[os.str()]) meRegion[os.str()]->Fill(sector, wheelOrDiskNumber, numDigi);
    }else {
      os<<"Occupancy_for_Endcap";
      int xbin = wheelOrDiskNumber+ numberOfDisks_;
      if (region==-1) {xbin = wheelOrDiskNumber+ numberOfDisks_+1;}
      if(meRegion[os.str()]) {meRegion[os.str()]->Fill(xbin,ring,numDigi);}
    }

    os.str("");
    os<<"Multiplicity_"<<nameRoll;
    if(meMap[os.str()]) meMap[os.str()]->Fill(numDigi);   

  }//end loop on rolls

  for(int i = 0; i< 3; i++ ){
    os.str("");
    os<<"NumberOfClusters_"<<RPCMonitorDigi::regionNames_[i];
    if(meRegion[os.str()]) meRegion[os.str()]->Fill( totalNumberOfRecHits[i]);
  }

}






      if(region ==0){
    os.str("");
    os<<"1DOccupancy_Wheel_"<<wheelOrDiskNumber;
    if( meWheelDisk[os.str()]) meWheelDisk[os.str()]->Fill(sector, clusterSize);
    
    os.str("");
    os<<"Occupancy_Roll_vs_Sector_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber;       
    if (meWheelDisk[os.str()]) meWheelDisk[os.str()]->Fill(sector, nr, clusterSize);

      }else{
    os.str("");
    os<<"1DOccupancy_Ring_"<<ring;
    if ((meWheelDisk[os.str()])){
      if (wheelOrDiskNumber > 0 ) {meWheelDisk[os.str()]->Fill(wheelOrDiskNumber + numberOfDisks_, clusterSize);}
        else {meWheelDisk[os.str()]->Fill(wheelOrDiskNumber + numberOfDisks_+1, clusterSize);}
    }

    os.str("");
    os<<"Occupancy_Ring_vs_Segment_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber;   
    if (meWheelDisk[os.str()]) meWheelDisk[os.str()]->Fill( geoServ.segment(), (ring-1)*3-detId.roll()+1,clusterSize );
      }

      os.str("");
      os<<"BxDistribution_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber;
      if(meWheelDisk[os.str()])  meWheelDisk[os.str()]->Fill(bx);
      
  
      os.str("");
      os<<"ClusterSize_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber<<"_Layer"<<layer;
      if(meWheelDisk[os.str()]) meWheelDisk[os.str()] -> Fill(clusterSize);
 

      os.str("");
      os<<"ClusterSize_"<<wheelOrDiskType<<"_"<<wheelOrDiskNumber<<"_Ring"<<ring;
      if(meWheelDisk[os.str()]) meWheelDisk[os.str()] -> Fill(clusterSize);


    // ######################  Global  ##################################
 

      os.str("");
      os<<"ClusterSize_"<<RPCMonitorDigi::regionNames_[region +1];
      if(meRegion[os.str()]) meRegion[os.str()] -> Fill(clusterSize);

      os.str("");
      os<<"ClusterSize_";
      if(region == 0){
    os<<"Layer"<<layer;
      }else{
    os<<"Ring"<<ring;
      }
      if(meRegion[os.str()]) meRegion[os.str()] -> Fill(clusterSize);

      
    }//end loop on recHits
  
    os.str("");
    os<<"BXWithData_"<<nameRoll;
    if(meMap[os.str()]) meMap[os.str()]->Fill(bxSet.size());
    
    os.str("");
    os<<"NumberOfClusters_"<<nameRoll;
    if(meMap[os.str()]) meMap[os.str()]->Fill( numberOfRecHits);

    os.str("");
    os<<"Multiplicity_"<<RPCMonitorDigi::regionNames_[region +1];
    if(meRegion[os.str()]) meRegion[os.str()]->Fill(numDigi);

    os.str("");
    if(region==0) {
      os<<"Occupancy_for_Barrel";
      if(meRegion[os.str()]) meRegion[os.str()]->Fill(sector, wheelOrDiskNumber, numDigi);
    }else {
      os<<"Occupancy_for_Endcap";
      int xbin = wheelOrDiskNumber+ numberOfDisks_;
      if (region==-1) {xbin = wheelOrDiskNumber+ numberOfDisks_+1;}
      if(meRegion[os.str()]) {meRegion[os.str()]->Fill(xbin,ring,numDigi);}
    }

    os.str("");
    os<<"Multiplicity_"<<nameRoll;
    if(meMap[os.str()]) meMap[os.str()]->Fill(numDigi);   

  }//end loop on rolls

  for(int i = 0; i< 3; i++ ){
    os.str("");
    os<<"NumberOfClusters_"<<RPCMonitorDigi::regionNames_[i];
    if(meRegion[os.str()]) meRegion[os.str()]->Fill( totalNumberOfRecHits[i]);
  }

}