BeamMonitor.cc

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/*
 * \file BeamMonitor.cc
 * \author Geng-yuan Jeng/UC Riverside
 *         Francisco Yumiceva/FNAL
 */


/*
The code has been modified for running average
mode, and it gives results for the last NLS which is
configurable.
Sushil S. Chauhan /UCDavis
Evan Friis        /UCDavis
The last tag for working versions without this change is
V00-03-25
*/



#include "DQM/BeamMonitor/plugins/BeamMonitor.h"
#include "DQMServices/Core/interface/QReport.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "DataFormats/TrackCandidate/interface/TrackCandidate.h"
#include "DataFormats/TrackCandidate/interface/TrackCandidateCollection.h"
#include "DataFormats/Common/interface/View.h"
#include "RecoVertex/BeamSpotProducer/interface/BSFitter.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/LuminosityBlock.h"
#include "FWCore/Framework/interface/Run.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Common/interface/TriggerNames.h"
#include "DataFormats/HLTReco/interface/TriggerEvent.h"
#include <numeric>
#include <cmath>
#include <memory>
#include <TMath.h>
#include <iostream>
#include <TStyle.h>
#include <ctime>

using namespace std;
using namespace edm;

void BeamMonitor::formatFitTime(char *ts, const time_t & t )  {
#define CET (+1)
#define CEST (+2)

  //tm * ptm;
  //ptm = gmtime ( &t );
  //int year = ptm->tm_year;
 
  //get correct year from ctime
  time_t currentTime;
  struct tm *localTime;
  time( &currentTime );                   // Get the current time
  localTime = localtime( &currentTime );  // Convert the current time to the local time
  int year   = localTime->tm_year + 1900;

  tm * ptm;
  ptm = gmtime ( &t );

 //check if year is ok
 if (year <= 37) year += 2000;                                                        
 if (year >= 70 && year <= 137) year += 1900;                                         
             
  if (year < 1995){                                                                   
        edm::LogError("BadTimeStamp") << "year reported is " << year <<" !!"<<std::endl;
        //year = 2015; //overwritten later by BeamFitter.cc for fits but needed here for TH1
        //edm::LogError("BadTimeStamp") << "Resetting to " <<year<<std::endl;
      } 
  sprintf( ts, "%4d-%02d-%02d %02d:%02d:%02d", year,ptm->tm_mon+1,ptm->tm_mday,(ptm->tm_hour+CEST)%24, ptm->tm_min, ptm->tm_sec);

#ifdef STRIP_TRAILING_BLANKS_IN_TIMEZONE
  unsigned int b = strlen(ts);
  while (ts[--b] == ' ') {ts[b] = 0;}
#endif
}

#define buffTime (23)

//
// constructors and destructor
//
BeamMonitor::BeamMonitor( const ParameterSet& ps ) :
  countEvt_(0),countLumi_(0),nthBSTrk_(0),nFitElements_(3),resetHistos_(false),StartAverage_(false),firstAverageFit_(0),countGapLumi_(0) {

  parameters_     = ps;
  monitorName_    = parameters_.getUntrackedParameter<string>("monitorName","YourSubsystemName");
  bsSrc_          = consumes<reco::BeamSpot>(
      parameters_.getUntrackedParameter<InputTag>("beamSpot"));
  tracksLabel_    = consumes<reco::TrackCollection>(
      parameters_.getParameter<ParameterSet>("BeamFitter")
      .getUntrackedParameter<InputTag>("TrackCollection"));
  pvSrc_          = consumes<reco::VertexCollection>(
      parameters_.getUntrackedParameter<InputTag>("primaryVertex"));
  hltSrc_         = consumes<TriggerResults>(
      parameters_.getParameter<InputTag>("hltResults"));
  intervalInSec_  = parameters_.getUntrackedParameter<int>("timeInterval",920);//40 LS X 23"
  fitNLumi_       = parameters_.getUntrackedParameter<int>("fitEveryNLumi",-1);
  resetFitNLumi_  = parameters_.getUntrackedParameter<int>("resetEveryNLumi",-1);
  fitPVNLumi_     = parameters_.getUntrackedParameter<int>("fitPVEveryNLumi",-1);
  resetPVNLumi_   = parameters_.getUntrackedParameter<int>("resetPVEveryNLumi",-1);
  deltaSigCut_    = parameters_.getUntrackedParameter<double>("deltaSignificanceCut",15);
  debug_          = parameters_.getUntrackedParameter<bool>("Debug");
  onlineMode_     = parameters_.getUntrackedParameter<bool>("OnlineMode");
  jetTrigger_     = parameters_.getUntrackedParameter<std::vector<std::string> >("jetTrigger");
  min_Ntrks_      = parameters_.getParameter<ParameterSet>("BeamFitter").getUntrackedParameter<int>("MinimumInputTracks");
  maxZ_           = parameters_.getParameter<ParameterSet>("BeamFitter").getUntrackedParameter<double>("MaximumZ");
  minNrVertices_  = parameters_.getParameter<ParameterSet>("PVFitter").getUntrackedParameter<unsigned int>("minNrVerticesForFit");
  minVtxNdf_      = parameters_.getParameter<ParameterSet>("PVFitter").getUntrackedParameter<double>("minVertexNdf");
  minVtxWgt_      = parameters_.getParameter<ParameterSet>("PVFitter").getUntrackedParameter<double>("minVertexMeanWeight");

  dbe_            = Service<DQMStore>().operator->();

  if (monitorName_ != "" ) monitorName_ = monitorName_+"/" ;

  theBeamFitter = new BeamFitter(parameters_, consumesCollector());
  theBeamFitter->resetTrkVector();
  theBeamFitter->resetLSRange();
  theBeamFitter->resetRefTime();
  theBeamFitter->resetPVFitter();

  if (fitNLumi_ <= 0) fitNLumi_ = 1;
  nFits_ = beginLumiOfBSFit_ = endLumiOfBSFit_ = beginLumiOfPVFit_ = endLumiOfPVFit_ = 0;
  refBStime[0] = refBStime[1] = refPVtime[0] = refPVtime[1] = 0;
  maxZ_ = std::fabs(maxZ_);
  lastlumi_ = 0;
  nextlumi_ = 0;
  processed_ = false;
}


BeamMonitor::~BeamMonitor() {
  delete theBeamFitter;
}


//--------------------------------------------------------
void BeamMonitor::beginJob() {


  // book some histograms here
  const int    dxBin = parameters_.getParameter<int>("dxBin");
  const double dxMin  = parameters_.getParameter<double>("dxMin");
  const double dxMax  = parameters_.getParameter<double>("dxMax");

  const int    vxBin = parameters_.getParameter<int>("vxBin");
  const double vxMin  = parameters_.getParameter<double>("vxMin");
  const double vxMax  = parameters_.getParameter<double>("vxMax");

  const int    phiBin = parameters_.getParameter<int>("phiBin");
  const double phiMin  = parameters_.getParameter<double>("phiMin");
  const double phiMax  = parameters_.getParameter<double>("phiMax");

  const int    dzBin = parameters_.getParameter<int>("dzBin");
  const double dzMin  = parameters_.getParameter<double>("dzMin");
  const double dzMax  = parameters_.getParameter<double>("dzMax");

  // create and cd into new folder
  dbe_->setCurrentFolder(monitorName_+"Fit");

  h_nTrk_lumi=dbe_->book1D("nTrk_lumi","Num. of selected tracks vs lumi (Fit)",20,0.5,20.5);
  h_nTrk_lumi->setAxisTitle("Lumisection",1);
  h_nTrk_lumi->setAxisTitle("Num of Tracks for Fit",2);

  //store vtx vs lumi for monitoring why fits fail
  h_nVtx_lumi=dbe_->book1D("nVtx_lumi","Num. of selected Vtx vs lumi (Fit)",20,0.5,20.5);
  h_nVtx_lumi->setAxisTitle("Lumisection",1);
  h_nVtx_lumi->setAxisTitle("Num of Vtx for Fit",2);
  
  h_nVtx_lumi_all=dbe_->book1D("nVtx_lumi_all","Num. of selected Vtx vs lumi (Fit) all",20,0.5,20.5);
  h_nVtx_lumi_all->getTH1()->SetCanExtend(TH1::kAllAxes);
  h_nVtx_lumi_all->setAxisTitle("Lumisection",1);
  h_nVtx_lumi_all->setAxisTitle("Num of Vtx for Fit",2);

  h_d0_phi0 = dbe_->bookProfile("d0_phi0","d_{0} vs. #phi_{0} (Selected Tracks)",phiBin,phiMin,phiMax,dxBin,dxMin,dxMax,"");
  h_d0_phi0->setAxisTitle("#phi_{0} (rad)",1);
  h_d0_phi0->setAxisTitle("d_{0} (cm)",2);

  h_vx_vy = dbe_->book2D("trk_vx_vy","Vertex (PCA) position of selected tracks",vxBin,vxMin,vxMax,vxBin,vxMin,vxMax);
  h_vx_vy->getTH2F()->SetOption("COLZ");
  //   h_vx_vy->getTH1()->SetCanExtend(TH1::kAllAxes);
  h_vx_vy->setAxisTitle("x coordinate of input track at PCA (cm)",1);
  h_vx_vy->setAxisTitle("y coordinate of input track at PCA (cm)",2);

  TDatime *da = new TDatime();
  gStyle->SetTimeOffset(da->Convert(kTRUE));

  const int nvar_ = 6;
  string coord[nvar_] = {"x","y","z","sigmaX","sigmaY","sigmaZ"};
  string label[nvar_] = {"x_{0} (cm)","y_{0} (cm)","z_{0} (cm)",
             "#sigma_{X_{0}} (cm)","#sigma_{Y_{0}} (cm)","#sigma_{Z_{0}} (cm)"};
  for (int i = 0; i < 4; i++) {
    dbe_->setCurrentFolder(monitorName_+"Fit");
    for (int ic=0; ic<nvar_; ++ic) {
      TString histName(coord[ic]);
      TString histTitle(coord[ic]);
      string ytitle(label[ic]);
      string xtitle("");
      string options("E1");
      bool createHisto = true;
      switch(i) {
      case 1: // BS vs time
    histName += "0_time";
    xtitle = "Time [UTC]";
    if (ic < 3)
      histTitle += " coordinate of beam spot vs time (Fit)";
    else
      histTitle = histTitle.Insert(5," ") + " of beam spot vs time (Fit)";
    break;
      case 2: // PV vs lumi
    if (ic < 3) {
      dbe_->setCurrentFolder(monitorName_+"PrimaryVertex");
      histName.Insert(0,"PV");
      histName += "_lumi";
      histTitle.Insert(0,"Avg. ");
      histTitle += " position of primary vtx vs lumi";
      xtitle = "Lumisection";
      ytitle.insert(0,"PV");
      ytitle += " #pm #sigma_{PV";
      ytitle += coord[ic];
      ytitle += "} (cm)";
    }
    else createHisto = false;
    break;
      case 3: // PV vs time
    if (ic < 3) {
      dbe_->setCurrentFolder(monitorName_+"PrimaryVertex");
      histName.Insert(0,"PV");
      histName += "_time";
      histTitle.Insert(0,"Avg. ");
      histTitle += " position of primary vtx vs time";
      xtitle = "Time [UTC]";
      ytitle.insert(0,"PV");
      ytitle += " #pm #sigma_{PV";
      ytitle += coord[ic];
      ytitle += "} (cm)";
    }
    else createHisto = false;
    break;
      default: // BS vs lumi
    histName += "0_lumi";
    xtitle = "Lumisection";
    if (ic < 3)
      histTitle += " coordinate of beam spot vs lumi (Fit)";
    else
      histTitle = histTitle.Insert(5," ") + " of beam spot vs lumi (Fit)";
    break;
      }
      if (createHisto) {
    edm::LogInfo("BeamMonitor") << "hitsName = " << histName << "; histTitle = " << histTitle << std::endl;
    hs[histName] = dbe_->book1D(histName,histTitle,40,0.5,40.5);
    hs[histName]->setAxisTitle(xtitle,1);
    hs[histName]->setAxisTitle(ytitle,2);
    hs[histName]->getTH1()->SetOption("E1");
    if (histName.Contains("time")) {
      //int nbins = (intervalInSec_/23 > 0 ? intervalInSec_/23 : 40);
      hs[histName]->getTH1()->SetBins(intervalInSec_,0.5,intervalInSec_+0.5);
      hs[histName]->setAxisTimeDisplay(1);
      hs[histName]->setAxisTimeFormat("%H:%M:%S",1);
    }
    histName += "_all";
    histTitle += " all";
    hs[histName] = dbe_->book1D(histName,histTitle,40,0.5,40.5);
    hs[histName]->getTH1()->SetCanExtend(TH1::kAllAxes);
    hs[histName]->setAxisTitle(xtitle,1);
    hs[histName]->setAxisTitle(ytitle,2);
    hs[histName]->getTH1()->SetOption("E1");
    if (histName.Contains("time")) {
      //int nbins = (intervalInSec_/23 > 0 ? intervalInSec_/23 : 40);
      hs[histName]->getTH1()->SetBins(intervalInSec_,0.5,intervalInSec_+0.5);
      hs[histName]->setAxisTimeDisplay(1);
      hs[histName]->setAxisTimeFormat("%H:%M:%S",1);
    }
      }
    }
  }
  dbe_->setCurrentFolder(monitorName_+"Fit");

  h_trk_z0 = dbe_->book1D("trk_z0","z_{0} of selected tracks",dzBin,dzMin,dzMax);
  h_trk_z0->setAxisTitle("z_{0} of selected tracks (cm)",1);

  h_vx_dz = dbe_->bookProfile("vx_dz","v_{x} vs. dz of selected tracks",dzBin,dzMin,dzMax,dxBin,dxMin,dxMax,"");
  h_vx_dz->setAxisTitle("dz (cm)",1);
  h_vx_dz->setAxisTitle("x coordinate of input track at PCA (cm)",2);

  h_vy_dz = dbe_->bookProfile("vy_dz","v_{y} vs. dz of selected tracks",dzBin,dzMin,dzMax,dxBin,dxMin,dxMax,"");
  h_vy_dz->setAxisTitle("dz (cm)",1);
  h_vy_dz->setAxisTitle("y coordinate of input track at PCA (cm)",2);

  h_x0 = dbe_->book1D("BeamMonitorFeedBack_x0","x coordinate of beam spot (Fit)",100,-0.01,0.01);
  h_x0->setAxisTitle("x_{0} (cm)",1);
  h_x0->getTH1()->SetCanExtend(TH1::kAllAxes);

  h_y0 = dbe_->book1D("BeamMonitorFeedBack_y0","y coordinate of beam spot (Fit)",100,-0.01,0.01);
  h_y0->setAxisTitle("y_{0} (cm)",1);
  h_y0->getTH1()->SetCanExtend(TH1::kAllAxes);

  h_z0 = dbe_->book1D("BeamMonitorFeedBack_z0","z coordinate of beam spot (Fit)",dzBin,dzMin,dzMax);
  h_z0->setAxisTitle("z_{0} (cm)",1);
  h_z0->getTH1()->SetCanExtend(TH1::kAllAxes);

  h_sigmaX0 = dbe_->book1D("BeamMonitorFeedBack_sigmaX0","sigma x0 of beam spot (Fit)",100,0,0.05);
  h_sigmaX0->setAxisTitle("#sigma_{X_{0}} (cm)",1);
  h_sigmaX0->getTH1()->SetCanExtend(TH1::kAllAxes);

  h_sigmaY0 = dbe_->book1D("BeamMonitorFeedBack_sigmaY0","sigma y0 of beam spot (Fit)",100,0,0.05);
  h_sigmaY0->setAxisTitle("#sigma_{Y_{0}} (cm)",1);
  h_sigmaY0->getTH1()->SetCanExtend(TH1::kAllAxes);

  h_sigmaZ0 = dbe_->book1D("BeamMonitorFeedBack_sigmaZ0","sigma z0 of beam spot (Fit)",100,0,10);
  h_sigmaZ0->setAxisTitle("#sigma_{Z_{0}} (cm)",1);
  h_sigmaZ0->getTH1()->SetCanExtend(TH1::kAllAxes);

  // Histograms of all reco tracks (without cuts):
  h_trkPt=dbe_->book1D("trkPt","p_{T} of all reco'd tracks (no selection)",200,0.,50.);
  h_trkPt->setAxisTitle("p_{T} (GeV/c)",1);

  h_trkVz=dbe_->book1D("trkVz","Z coordinate of PCA of all reco'd tracks (no selection)",dzBin,dzMin,dzMax);
  h_trkVz->setAxisTitle("V_{Z} (cm)",1);

  cutFlowTable = dbe_->book1D("cutFlowTable","Cut flow table of track selection", 9, 0, 9 );

  // Results of previous good fit:
  fitResults=dbe_->book2D("fitResults","Results of previous good beam fit",2,0,2,8,0,8);
  fitResults->setAxisTitle("Fitted Beam Spot (cm)",1);
  fitResults->setBinLabel(8,"x_{0}",2);
  fitResults->setBinLabel(7,"y_{0}",2);
  fitResults->setBinLabel(6,"z_{0}",2);
  fitResults->setBinLabel(5,"#sigma_{Z}",2);
  fitResults->setBinLabel(4,"#frac{dx}{dz} (rad)",2);
  fitResults->setBinLabel(3,"#frac{dy}{dz} (rad)",2);
  fitResults->setBinLabel(2,"#sigma_{X}",2);
  fitResults->setBinLabel(1,"#sigma_{Y}",2);
  fitResults->setBinLabel(1,"Mean",1);
  fitResults->setBinLabel(2,"Stat. Error",1);
  fitResults->getTH1()->SetOption("text");

  // Histos of PrimaryVertices:
  dbe_->setCurrentFolder(monitorName_+"PrimaryVertex");

  h_nVtx = dbe_->book1D("vtxNbr","Reconstructed Vertices(non-fake) in all Event",60,-0.5,59.5);
  h_nVtx->setAxisTitle("Num. of reco. vertices",1);
  
  //For one Trigger only
  h_nVtx_st = dbe_->book1D("vtxNbr_SelectedTriggers","Reconstructed Vertices(non-fake) in Events",60,-0.5,59.5);
  //h_nVtx_st->setAxisTitle("Num. of reco. vertices for Un-Prescaled Jet Trigger",1);

  // Monitor only the PV with highest sum pt of assoc. trks:
  h_PVx[0] = dbe_->book1D("PVX","x coordinate of Primary Vtx",50,-0.01,0.01);
  h_PVx[0]->setAxisTitle("PVx (cm)",1);
  h_PVx[0]->getTH1()->SetCanExtend(TH1::kAllAxes);

  h_PVy[0] = dbe_->book1D("PVY","y coordinate of Primary Vtx",50,-0.01,0.01);
  h_PVy[0]->setAxisTitle("PVy (cm)",1);
  h_PVy[0]->getTH1()->SetCanExtend(TH1::kAllAxes);

  h_PVz[0] = dbe_->book1D("PVZ","z coordinate of Primary Vtx",dzBin,dzMin,dzMax);
  h_PVz[0]->setAxisTitle("PVz (cm)",1);

  h_PVx[1] = dbe_->book1D("PVXFit","x coordinate of Primary Vtx (Last Fit)",50,-0.01,0.01);
  h_PVx[1]->setAxisTitle("PVx (cm)",1);
  h_PVx[1]->getTH1()->SetCanExtend(TH1::kAllAxes);

  h_PVy[1] = dbe_->book1D("PVYFit","y coordinate of Primary Vtx (Last Fit)",50,-0.01,0.01);
  h_PVy[1]->setAxisTitle("PVy (cm)",1);
  h_PVy[1]->getTH1()->SetCanExtend(TH1::kAllAxes);

  h_PVz[1] = dbe_->book1D("PVZFit","z coordinate of Primary Vtx (Last Fit)",dzBin,dzMin,dzMax);
  h_PVz[1]->setAxisTitle("PVz (cm)",1);

  h_PVxz = dbe_->bookProfile("PVxz","PVx vs. PVz",dzBin/2,dzMin,dzMax,dxBin/2,dxMin,dxMax,"");
  h_PVxz->setAxisTitle("PVz (cm)",1);
  h_PVxz->setAxisTitle("PVx (cm)",2);

  h_PVyz = dbe_->bookProfile("PVyz","PVy vs. PVz",dzBin/2,dzMin,dzMax,dxBin/2,dxMin,dxMax,"");
  h_PVyz->setAxisTitle("PVz (cm)",1);
  h_PVyz->setAxisTitle("PVy (cm)",2);

  // Results of previous good fit:
  pvResults=dbe_->book2D("pvResults","Results of fitting Primary Vertices",2,0,2,6,0,6);
  pvResults->setAxisTitle("Fitted Primary Vertex (cm)",1);
  pvResults->setBinLabel(6,"PVx",2);
  pvResults->setBinLabel(5,"PVy",2);
  pvResults->setBinLabel(4,"PVz",2);
  pvResults->setBinLabel(3,"#sigma_{X}",2);
  pvResults->setBinLabel(2,"#sigma_{Y}",2);
  pvResults->setBinLabel(1,"#sigma_{Z}",2);
  pvResults->setBinLabel(1,"Mean",1);
  pvResults->setBinLabel(2,"Stat. Error",1);
  pvResults->getTH1()->SetOption("text");

  // Summary plots:
  dbe_->setCurrentFolder(monitorName_+"EventInfo");
  reportSummary = dbe_->get(monitorName_+"EventInfo/reportSummary");
  if (reportSummary) dbe_->removeElement(reportSummary->getName());

  reportSummary = dbe_->bookFloat("reportSummary");
  if(reportSummary) reportSummary->Fill(std::numeric_limits<double>::quiet_NaN());

  char histo[20];
  dbe_->setCurrentFolder(monitorName_+"EventInfo/reportSummaryContents");
  for (int n = 0; n < nFitElements_; n++) {
    switch(n){
    case 0 : sprintf(histo,"x0_status"); break;
    case 1 : sprintf(histo,"y0_status"); break;
    case 2 : sprintf(histo,"z0_status"); break;
    }
    reportSummaryContents[n] = dbe_->bookFloat(histo);
  }

  for (int i = 0; i < nFitElements_; i++) {
    summaryContent_[i] = 0.;
    reportSummaryContents[i]->Fill(std::numeric_limits<double>::quiet_NaN());
  }

  dbe_->setCurrentFolder(monitorName_+"EventInfo");

  reportSummaryMap = dbe_->get(monitorName_+"EventInfo/reportSummaryMap");
  if (reportSummaryMap) dbe_->removeElement(reportSummaryMap->getName());

  reportSummaryMap = dbe_->book2D("reportSummaryMap", "Beam Spot Summary Map", 1, 0, 1, 3, 0, 3);
  reportSummaryMap->setAxisTitle("",1);
  reportSummaryMap->setAxisTitle("Fitted Beam Spot",2);
  reportSummaryMap->setBinLabel(1," ",1);
  reportSummaryMap->setBinLabel(1,"x_{0}",2);
  reportSummaryMap->setBinLabel(2,"y_{0}",2);
  reportSummaryMap->setBinLabel(3,"z_{0}",2);
  for (int i = 0; i < nFitElements_; i++) {
    reportSummaryMap->setBinContent(1,i+1,-1.);
  }
}

//--------------------------------------------------------
void BeamMonitor::beginRun(const edm::Run& r, const EventSetup& context) {

  frun = r.run();
  ftimestamp = r.beginTime().value();
  tmpTime = ftimestamp >> 32;
  startTime = refTime =  tmpTime;
  char eventTime[64];
  formatFitTime(eventTime, tmpTime);
  std::cout << "TimeOffset = " << eventTime << std::endl;
  TDatime da(eventTime);
  if (debug_) {
    edm::LogInfo("BeamMonitor") << "TimeOffset = ";
    da.Print();
  }
  for (std::map<TString,MonitorElement*>::iterator it = hs.begin();
       it != hs.end(); ++it) {
    if ((*it).first.Contains("time"))
      (*it).second->getTH1()->GetXaxis()->SetTimeOffset(da.Convert(kTRUE));
  }
}

//--------------------------------------------------------
void BeamMonitor::beginLuminosityBlock(const LuminosityBlock& lumiSeg,
                       const EventSetup& context) {
  int nthlumi = lumiSeg.luminosityBlock();
  const edm::TimeValue_t fbegintimestamp = lumiSeg.beginTime().value();
  const std::time_t ftmptime = fbegintimestamp >> 32;


 if (countLumi_ == 0 && (!processed_)) {
    beginLumiOfBSFit_ = beginLumiOfPVFit_ = nthlumi;
    refBStime[0] = refPVtime[0] = ftmptime;
    mapBeginBSLS[countLumi_]   = nthlumi;
    mapBeginPVLS[countLumi_]   = nthlumi;
    mapBeginBSTime[countLumi_] = ftmptime;
    mapBeginPVTime[countLumi_] = ftmptime;
    }//for the first record

if(nthlumi > nextlumi_){
   if(processed_){ countLumi_++;
    //store here them will need when we remove the first one of Last N LS
    mapBeginBSLS[countLumi_]   = nthlumi;
    mapBeginPVLS[countLumi_]   = nthlumi;
    mapBeginBSTime[countLumi_] = ftmptime;
    mapBeginPVTime[countLumi_] = ftmptime;
   }//processed passed but not the first lumi
   if((!processed_) && countLumi_ !=0){
       mapBeginBSLS[countLumi_]   = nthlumi;
       mapBeginPVLS[countLumi_]   = nthlumi;
       mapBeginBSTime[countLumi_] = ftmptime;
       mapBeginPVTime[countLumi_] = ftmptime;
   }//processed fails for last lumi
  }//nthLumi > nextlumi


   if(StartAverage_ ){
     //Just Make sure it get rest
     refBStime[0] =0;
     refPVtime[0] =0;
     beginLumiOfPVFit_ =0;
     beginLumiOfBSFit_ =0;

     if(debug_)edm::LogInfo("BeamMonitor") << " beginLuminosityBlock:  Size of mapBeginBSLS before =  "<< mapBeginBSLS.size()<<endl;
     if(nthlumi> nextlumi_){ //this make sure that it does not take into account this lumi for fitting and only look forward for new lumi
                             //as countLumi also remains the same so map value  get overwritten once return to normal running.
     //even if few LS are misssing and DQM module do not sees them then it catchs up again
     map<int, int>::iterator itbs=mapBeginBSLS.begin();
     map<int, int>::iterator itpv=mapBeginPVLS.begin();
     map<int, std::time_t>::iterator itbstime=mapBeginBSTime.begin();
     map<int, std::time_t>::iterator itpvtime=mapBeginPVTime.begin();

    if(processed_){// otherwise if false then LS range of fit get messed up because we don't remove trk/pvs but we remove LS begin value . This prevent it as it happened if LS is there but no event are processed for some reason
     mapBeginBSLS.erase(itbs);
     mapBeginPVLS.erase(itpv);
     mapBeginBSTime.erase(itbstime);
     mapBeginPVTime.erase(itpvtime);
     } 
            /*//not sure if want this or not ??
            map<int, int>::iterator itgapb=mapBeginBSLS.begin();
            map<int, int>::iterator itgape=mapBeginBSLS.end(); itgape--;
            countGapLumi_ = ( (itgape->second) - (itgapb->second) );
            //if we see Gap more than then 2*resetNFitLumi !!!!!!!
            //for example if 10-15 is fitted and if 16-25 are missing then we next fit will be for range 11-26 but BS can change in between
            // so better start  as fresh  and reset everything like starting in the begining!
            if(countGapLumi_ >= 2*resetFitNLumi_){RestartFitting(); mapBeginBSLS[countLumi_]   = nthlumi;}
            */
     }

    if(debug_) edm::LogInfo("BeamMonitor") << " beginLuminosityBlock::  Size of mapBeginBSLS After = "<< mapBeginBSLS.size()<<endl;

     map<int, int>::iterator  bbs = mapBeginBSLS.begin();
     map<int, int>::iterator  bpv = mapBeginPVLS.begin();
     map<int, std::time_t>::iterator bbst = mapBeginBSTime.begin();
     map<int, std::time_t>::iterator bpvt = mapBeginPVTime.begin();


     if (beginLumiOfPVFit_ == 0) beginLumiOfPVFit_ = bpv->second;     //new begin time after removing the LS
     if (beginLumiOfBSFit_ == 0) beginLumiOfBSFit_ = bbs->second;
     if (refBStime[0] == 0) refBStime[0] = bbst->second;
     if (refPVtime[0] == 0) refPVtime[0] = bpvt->second;

    }//same logic for average fit as above commented line


    map<int, std::time_t>::iterator nbbst = mapBeginBSTime.begin();
    map<int, std::time_t>::iterator nbpvt = mapBeginPVTime.begin();


  if (onlineMode_ && (nthlumi < nextlumi_)) return;

  if (onlineMode_) {
    if (nthlumi > nextlumi_) {
      if (countLumi_ != 0 && processed_) FitAndFill(lumiSeg,lastlumi_,nextlumi_,nthlumi);
      nextlumi_ = nthlumi;
      edm::LogInfo("BeamMonitor") << "beginLuminosityBlock:: Next Lumi to Fit: " << nextlumi_ << endl;
      if((StartAverage_) && refBStime[0] == 0) refBStime[0] = nbbst->second;
      if((StartAverage_) && refPVtime[0] == 0) refPVtime[0] = nbpvt->second;
    }
  }
  else{
    if (processed_) FitAndFill(lumiSeg,lastlumi_,nextlumi_,nthlumi);
    nextlumi_ = nthlumi;
    edm::LogInfo("BeamMonitor") << " beginLuminosityBlock:: Next Lumi to Fit: " << nextlumi_ << endl;
    if ((StartAverage_) && refBStime[0] == 0) refBStime[0] = nbbst->second;
    if ((StartAverage_) && refPVtime[0] == 0) refPVtime[0] = nbpvt->second;
  }

  //countLumi_++;
  if (processed_) processed_ = false;
  edm::LogInfo("BeamMonitor") << " beginLuminosityBlock::  Begin of Lumi: " << nthlumi << endl;
}

// ----------------------------------------------------------
void BeamMonitor::analyze(const Event& iEvent,
              const EventSetup& iSetup ) {
  const int nthlumi = iEvent.luminosityBlock();
  if (onlineMode_ && (nthlumi < nextlumi_)) {
    edm::LogInfo("BeamMonitor") << "analyze::  Spilt event from previous lumi section!" << std::endl;
    return;
  }
  if (onlineMode_ && (nthlumi > nextlumi_)) {
    edm::LogInfo("BeamMonitor") << "analyze::  Spilt event from next lumi section!!!" << std::endl;
    return;
  }

  countEvt_++;
  theBeamFitter->readEvent(iEvent); //Remember when track fitter read the event in the same place the PVFitter read the events !!!!!!!!!

  Handle<reco::BeamSpot> recoBeamSpotHandle;
  iEvent.getByToken(bsSrc_,recoBeamSpotHandle);
  refBS = *recoBeamSpotHandle;

  dbe_->setCurrentFolder(monitorName_+"Fit/");

  //------Cut Flow Table filled every event!--------------------------------------
  std::string cutFlowTableName = cutFlowTable->getName();
  // Make a copy of the cut flow table from the beam fitter.
  TH1F * tmphisto =
    static_cast<TH1F*>((theBeamFitter->getCutFlow())->Clone("tmphisto"));
  cutFlowTable->getTH1()->SetBins(
      tmphisto->GetNbinsX(),
      tmphisto->GetXaxis()->GetXmin(),
      tmphisto->GetXaxis()->GetXmax());
  // Update the bin labels
  if (countEvt_ == 1) // SetLabel just once
    for(int n=0; n < tmphisto->GetNbinsX(); n++)
      cutFlowTable->setBinLabel(n+1,tmphisto->GetXaxis()->GetBinLabel(n+1),1);
  cutFlowTable = dbe_->book1D(cutFlowTableName, tmphisto);
  delete tmphisto;

  //----Reco tracks -------------------------------------
  Handle<reco::TrackCollection> TrackCollection;
  iEvent.getByToken(tracksLabel_, TrackCollection);
  const reco::TrackCollection *tracks = TrackCollection.product();
  for ( reco::TrackCollection::const_iterator track = tracks->begin();
      track != tracks->end(); ++track ) {
    h_trkPt->Fill(track->pt());  //no need to change  here for average bs
    h_trkVz->Fill(track->vz());
  }

   //-------HLT Trigger --------------------------------
   edm::Handle<TriggerResults> triggerResults;
   bool JetTrigPass= false;
  if(iEvent.getByToken(hltSrc_, triggerResults)){
     const edm::TriggerNames & trigNames = iEvent.triggerNames(*triggerResults); 
      for (unsigned int i=0; i< triggerResults->size(); i++){
           const std::string& trigName = trigNames.triggerName(i);

         if(JetTrigPass) continue;

        for(size_t t=0; t <jetTrigger_.size(); ++t){
  
         if(JetTrigPass) continue;

          string string_search (jetTrigger_[t]);
          size_t found = trigName.find(string_search); 

          if(found != string::npos){
             int thisTrigger_ = trigNames.triggerIndex(trigName);
             if(triggerResults->accept(thisTrigger_))JetTrigPass = true;
             }//if trigger found
        }//for(t=0;..)
      }//for(i=0; ..)
   }//if trigger colleciton exist)

  //------ Primary Vertices-------
  edm::Handle< reco::VertexCollection > PVCollection;

  if (iEvent.getByToken(pvSrc_, PVCollection )) {
    int nPVcount = 0;
    int nPVcount_ST =0;   //For Single Trigger(hence ST)

    for (reco::VertexCollection::const_iterator pv = PVCollection->begin(); pv != PVCollection->end(); ++pv) {
      //--- vertex selection
      if (pv->isFake() || pv->tracksSize()==0)  continue;
      nPVcount++; // count non fake pv:

      if(JetTrigPass)nPVcount_ST++; //non-fake pv with a specific trigger

      if (pv->ndof() < minVtxNdf_ || (pv->ndof()+3.)/pv->tracksSize() < 2*minVtxWgt_)  continue;

      //Fill this map to store xyx for pv so that later we can remove the first one for run aver
      mapPVx[countLumi_].push_back(pv->x());
      mapPVy[countLumi_].push_back(pv->y());
      mapPVz[countLumi_].push_back(pv->z());

      if(!StartAverage_){//for first N LS
        h_PVx[0]->Fill(pv->x());
        h_PVy[0]->Fill(pv->y());
        h_PVz[0]->Fill(pv->z());
        h_PVxz->Fill(pv->z(),pv->x());
        h_PVyz->Fill(pv->z(),pv->y());
      }//for first N LiS
     else{
      h_PVxz->Fill(pv->z(),pv->x());
      h_PVyz->Fill(pv->z(),pv->y());}

    }//loop over pvs


    h_nVtx->Fill(nPVcount*1.); //no need to change it for average BS

    mapNPV[countLumi_].push_back((nPVcount_ST));

    if(!StartAverage_){ h_nVtx_st->Fill(nPVcount_ST*1.);}

  }//if pv collection is availaable


  if(StartAverage_)
  {
    map<int, std::vector<float> >::iterator itpvx=mapPVx.begin();
    map<int, std::vector<float> >::iterator itpvy=mapPVy.begin();
    map<int, std::vector<float> >::iterator itpvz=mapPVz.begin();

    map<int, std::vector<int> >::iterator itbspvinfo=mapNPV.begin();

    if( (int)mapPVx.size() > resetFitNLumi_){  //sometimes the events is not there but LS is there!
      mapPVx.erase(itpvx);
      mapPVy.erase(itpvy);
      mapPVz.erase(itpvz);
      mapNPV.erase(itbspvinfo);
    }//loop over Last N lumi collected

  }//StartAverage==true

  processed_ = true;
}


//--------------------------------------------------------
void BeamMonitor::endLuminosityBlock(const LuminosityBlock& lumiSeg,
                     const EventSetup& iSetup) {
  int nthlumi = lumiSeg.id().luminosityBlock();
  edm::LogInfo("BeamMonitor") << "endLuminosityBlock:: Lumi of the last event before endLuminosityBlock: " << nthlumi << endl;

  if (onlineMode_ && nthlumi < nextlumi_) return;
  const edm::TimeValue_t fendtimestamp = lumiSeg.endTime().value();
  const std::time_t fendtime = fendtimestamp >> 32;
  tmpTime = refBStime[1] = refPVtime[1] = fendtime;
}

//--------------------------------------------------------
void BeamMonitor::FitAndFill(const LuminosityBlock& lumiSeg,int &lastlumi,int &nextlumi,int &nthlumi){
  if (onlineMode_ && (nthlumi <= nextlumi)) return;

  //set the correct run number when no event in the LS for fake output
  if((processed_) && theBeamFitter->getRunNumber() != frun)theBeamFitter->setRun(frun);

  int currentlumi = nextlumi;
  edm::LogInfo("BeamMonitor") << "FitAndFill::  Lumi of the current fit: " << currentlumi << endl;
  lastlumi = currentlumi;
  endLumiOfBSFit_ = currentlumi;
  endLumiOfPVFit_ = currentlumi;


     //---------Fix for Runninv average-------------
      mapLSPVStoreSize[countLumi_]= theBeamFitter->getPVvectorSize();

      if(StartAverage_)
      {
        std::map<int, std::size_t>::iterator rmLSPVi = mapLSPVStoreSize.begin();
        size_t SizeToRemovePV= rmLSPVi->second;
        for(std::map<int, std::size_t>::iterator rmLSPVe = mapLSPVStoreSize.end(); ++rmLSPVi != rmLSPVe;)
          rmLSPVi->second  -= SizeToRemovePV;

      theBeamFitter->resizePVvector(SizeToRemovePV);

      map<int, std::size_t >::iterator tmpItpv=mapLSPVStoreSize.begin();
      mapLSPVStoreSize.erase(tmpItpv);
      }
      if(debug_)edm::LogInfo("BeamMonitor") << "FitAndFill:: Size of thePVvector After removing the PVs = " << theBeamFitter->getPVvectorSize()<<endl;


      //lets filt the PV for GUI here: It was in analyzer in preivous versiton but moved here due to absence of event in some lumis, works OK
      bool resetHistoFlag_=false;
      if((int)mapPVx.size() >= resetFitNLumi_ && (StartAverage_)){
      h_PVx[0]->Reset();
      h_PVy[0]->Reset();
      h_PVz[0]->Reset();
      h_nVtx_st->Reset();
      resetHistoFlag_ = true;
      }

      int MaxPVs = 0;
      int countEvtLastNLS_=0;
      int countTotPV_= 0;      

      std::map< int, std::vector<int> >::iterator mnpv=mapNPV.begin();
      std::map< int, std::vector<float> >::iterator mpv2=mapPVy.begin();
      std::map< int, std::vector<float> >::iterator mpv3=mapPVz.begin();

     for(std::map< int, std::vector<float> >::iterator mpv1=mapPVx.begin(); mpv1 != mapPVx.end(); ++mpv1, ++mpv2, ++mpv3, ++mnpv)
     {
        std::vector<float>::iterator mpvs2 = (mpv2->second).begin();
        std::vector<float>::iterator mpvs3 = (mpv3->second).begin();
      for(std::vector<float>::iterator mpvs1=(mpv1->second).begin(); mpvs1 !=(mpv1->second).end(); ++mpvs1, ++mpvs2, ++mpvs3){
        if(resetHistoFlag_)
            {h_PVx[0]->Fill( *mpvs1 ); //these histogram are reset after StartAverage_ flag is ON
             h_PVy[0]->Fill( *mpvs2 );
             h_PVz[0]->Fill( *mpvs3 );
            }
        }//loop over second 
   
       //Do the same here for nPV distr.
      for(std::vector<int>::iterator mnpvs = (mnpv->second).begin(); mnpvs != (mnpv->second).end(); ++mnpvs){
        if((*mnpvs > 0) && (resetHistoFlag_) )h_nVtx_st->Fill( (*mnpvs)*(1.0) );
         countEvtLastNLS_++;
         countTotPV_ += (*mnpvs);  
        if((*mnpvs) > MaxPVs) MaxPVs =  (*mnpvs);
       }//loop over second of mapNPV

     }//loop over last N lumis

     char tmpTitlePV[100];               
     sprintf(tmpTitlePV,"%s %i %s %i","Num. of reco. vertices for LS: ",beginLumiOfPVFit_," to ",endLumiOfPVFit_);   
     h_nVtx_st->setAxisTitle(tmpTitlePV,1);

     std::vector<float> DipPVInfo_;
     DipPVInfo_.clear();

   if(countTotPV_ != 0 ){
     DipPVInfo_.push_back((float)countEvtLastNLS_);
     DipPVInfo_.push_back(h_nVtx_st->getMean());
     DipPVInfo_.push_back(h_nVtx_st->getMeanError());
     DipPVInfo_.push_back(h_nVtx_st->getRMS());
     DipPVInfo_.push_back(h_nVtx_st->getRMSError());
     DipPVInfo_.push_back((float)MaxPVs);
     DipPVInfo_.push_back((float)countTotPV_);
     MaxPVs =0;
    }
   else{ for(size_t i= 0; i < 7; i++){if(i>0)DipPVInfo_.push_back(0.);
                                      else DipPVInfo_.push_back((float)countEvtLastNLS_);}
       }
     theBeamFitter->SetPVInfo(DipPVInfo_);      
     countEvtLastNLS_=0;



  if (onlineMode_) { // filling LS gap
    // FIXME: need to add protection for the case if the gap is at the resetting LS!
    const int countLS_bs = hs["x0_lumi"]->getTH1()->GetEntries();
    const int countLS_pv = hs["PVx_lumi"]->getTH1()->GetEntries();
    edm::LogInfo("BeamMonitor") << "FitAndFill:: countLS_bs = " << countLS_bs << " ; countLS_pv = " << countLS_pv << std::endl;
    int LSgap_bs = currentlumi/fitNLumi_ - countLS_bs;
    int LSgap_pv = currentlumi/fitPVNLumi_ - countLS_pv;
    if (currentlumi%fitNLumi_ == 0)
      LSgap_bs--;
    if (currentlumi%fitPVNLumi_ == 0)
      LSgap_pv--;
    edm::LogInfo("BeamMonitor") << "FitAndFill::  LSgap_bs = " << LSgap_bs << " ; LSgap_pv = " << LSgap_pv << std::endl;
    // filling previous fits if LS gap ever exists
    for (int ig = 0; ig < LSgap_bs; ig++) {
      hs["x0_lumi"]->ShiftFillLast( 0., 0., fitNLumi_ );//x0 , x0err, fitNLumi_;  see DQMCore....
      hs["y0_lumi"]->ShiftFillLast( 0., 0., fitNLumi_ );
      hs["z0_lumi"]->ShiftFillLast( 0., 0., fitNLumi_ );
      hs["sigmaX0_lumi"]->ShiftFillLast( 0., 0., fitNLumi_ );
      hs["sigmaY0_lumi"]->ShiftFillLast( 0., 0., fitNLumi_ );
      hs["sigmaZ0_lumi"]->ShiftFillLast( 0., 0., fitNLumi_ );
      h_nVtx_lumi->ShiftFillLast( 0., 0., fitNLumi_ );
    }
    for (int ig = 0; ig < LSgap_pv; ig++) {
      hs["PVx_lumi"]->ShiftFillLast( 0., 0., fitPVNLumi_ );
      hs["PVy_lumi"]->ShiftFillLast( 0., 0., fitPVNLumi_ );
      hs["PVz_lumi"]->ShiftFillLast( 0., 0., fitPVNLumi_ );
    }
    const int previousLS = h_nTrk_lumi->getTH1()->GetEntries();
    for (int i=1;i < (currentlumi - previousLS);i++)//if (current-previoius)= 1 then never go inside the for loop!!!!!!!!!!!
      h_nTrk_lumi->ShiftFillLast(nthBSTrk_);
  }

  edm::LogInfo("BeamMonitor") << "FitAndFill:: Time lapsed since last scroll = " << tmpTime - refTime << std:: endl;

  if (testScroll(tmpTime,refTime)) {
    scrollTH1(hs["x0_time"]->getTH1(),refTime);
    scrollTH1(hs["y0_time"]->getTH1(),refTime);
    scrollTH1(hs["z0_time"]->getTH1(),refTime);
    scrollTH1(hs["sigmaX0_time"]->getTH1(),refTime);
    scrollTH1(hs["sigmaY0_time"]->getTH1(),refTime);
    scrollTH1(hs["sigmaZ0_time"]->getTH1(),refTime);
    scrollTH1(hs["PVx_time"]->getTH1(),refTime);
    scrollTH1(hs["PVy_time"]->getTH1(),refTime);
    scrollTH1(hs["PVz_time"]->getTH1(),refTime);
  }

  bool doPVFit = false;

  if (fitPVNLumi_ > 0) {
    if (onlineMode_) {
      if (currentlumi%fitPVNLumi_ == 0)
    doPVFit = true;
    }
    else
      if (countLumi_%fitPVNLumi_ == 0)
    doPVFit = true;
  }
  else
    doPVFit = true;


  if (doPVFit) {
    edm::LogInfo("BeamMonitor") << "FitAndFill:: Do PV Fitting for LS = " << beginLumiOfPVFit_ << " to " << endLumiOfPVFit_ << std::endl;
    // Primary Vertex Fit:
    if (h_PVx[0]->getTH1()->GetEntries() > minNrVertices_) {

      pvResults->Reset();
      char tmpTitle[50];
      sprintf(tmpTitle,"%s %i %s %i","Fitted Primary Vertex (cm) of LS: ",beginLumiOfPVFit_," to ",endLumiOfPVFit_);
      pvResults->setAxisTitle(tmpTitle,1);

      std::unique_ptr<TF1> fgaus{ new TF1("fgaus","gaus") };
      double mean,width,meanErr,widthErr;
      fgaus->SetLineColor(4);
      h_PVx[0]->getTH1()->Fit(fgaus.get(),"QLM0");
      mean = fgaus->GetParameter(1);
      width = fgaus->GetParameter(2);
      meanErr = fgaus->GetParError(1);
      widthErr = fgaus->GetParError(2);


      hs["PVx_lumi"]->ShiftFillLast(mean,width,fitPVNLumi_);
      hs["PVx_lumi_all"]->setBinContent(currentlumi,mean);
      hs["PVx_lumi_all"]->setBinError(currentlumi,width);
      int nthBin = tmpTime - refTime;
      if (nthBin < 0)
    edm::LogInfo("BeamMonitor") << "FitAndFill::  Event time outside current range of time histograms!" << std::endl;
      if (nthBin > 0) {
    hs["PVx_time"]->setBinContent(nthBin,mean);
    hs["PVx_time"]->setBinError(nthBin,width);
      }
      int jthBin = tmpTime - startTime;
      if (jthBin > 0) {
    hs["PVx_time_all"]->setBinContent(jthBin,mean);
    hs["PVx_time_all"]->setBinError(jthBin,width);
      }
      pvResults->setBinContent(1,6,mean);
      pvResults->setBinContent(1,3,width);
      pvResults->setBinContent(2,6,meanErr);
      pvResults->setBinContent(2,3,widthErr);

      dbe_->setCurrentFolder(monitorName_+"PrimaryVertex/");
      const char* tmpfile;
      TH1D * tmphisto;
      // snap shot of the fit
      tmpfile= (h_PVx[1]->getName()).c_str();
      tmphisto = static_cast<TH1D *>((h_PVx[0]->getTH1())->Clone("tmphisto"));
      h_PVx[1]->getTH1()->SetBins(tmphisto->GetNbinsX(),tmphisto->GetXaxis()->GetXmin(),tmphisto->GetXaxis()->GetXmax());
      h_PVx[1] = dbe_->book1D(tmpfile,h_PVx[0]->getTH1F());
      h_PVx[1]->getTH1()->Fit(fgaus.get(),"QLM");


      h_PVy[0]->getTH1()->Fit(fgaus.get(),"QLM0");
      mean = fgaus->GetParameter(1);
      width = fgaus->GetParameter(2);
      meanErr = fgaus->GetParError(1);
      widthErr = fgaus->GetParError(2);
      hs["PVy_lumi"]->ShiftFillLast(mean,width,fitPVNLumi_);
      hs["PVy_lumi_all"]->setBinContent(currentlumi,mean);
      hs["PVy_lumi_all"]->setBinError(currentlumi,width);
      if (nthBin > 0) {
    hs["PVy_time"]->setBinContent(nthBin,mean);
    hs["PVy_time"]->setBinError(nthBin,width);
      }
      if (jthBin > 0) {
    hs["PVy_time_all"]->setBinContent(jthBin,mean);
    hs["PVy_time_all"]->setBinError(jthBin,width);
      }
      pvResults->setBinContent(1,5,mean);
      pvResults->setBinContent(1,2,width);
      pvResults->setBinContent(2,5,meanErr);
      pvResults->setBinContent(2,2,widthErr);
      // snap shot of the fit
      tmpfile= (h_PVy[1]->getName()).c_str();
      tmphisto = static_cast<TH1D *>((h_PVy[0]->getTH1())->Clone("tmphisto"));
      h_PVy[1]->getTH1()->SetBins(tmphisto->GetNbinsX(),tmphisto->GetXaxis()->GetXmin(),tmphisto->GetXaxis()->GetXmax());
      h_PVy[1]->update();
      h_PVy[1] = dbe_->book1D(tmpfile,h_PVy[0]->getTH1F());
      h_PVy[1]->getTH1()->Fit(fgaus.get(),"QLM");


      h_PVz[0]->getTH1()->Fit(fgaus.get(),"QLM0");
      mean = fgaus->GetParameter(1);
      width = fgaus->GetParameter(2);
      meanErr = fgaus->GetParError(1);
      widthErr = fgaus->GetParError(2);
      hs["PVz_lumi"]->ShiftFillLast(mean,width,fitPVNLumi_);
      hs["PVz_lumi_all"]->setBinContent(currentlumi,mean);
      hs["PVz_lumi_all"]->setBinError(currentlumi,width);
      if (nthBin > 0) {
    hs["PVz_time"]->setBinContent(nthBin,mean);
    hs["PVz_time"]->setBinError(nthBin,width);
      }
      if (jthBin > 0) {
    hs["PVz_time_all"]->setBinContent(jthBin,mean);
    hs["PVz_time_all"]->setBinError(jthBin,width);
      }
      pvResults->setBinContent(1,4,mean);
      pvResults->setBinContent(1,1,width);
      pvResults->setBinContent(2,4,meanErr);
      pvResults->setBinContent(2,1,widthErr);
      // snap shot of the fit
      tmpfile= (h_PVz[1]->getName()).c_str();
      tmphisto = static_cast<TH1D *>((h_PVz[0]->getTH1())->Clone("tmphisto"));
      h_PVz[1]->getTH1()->SetBins(tmphisto->GetNbinsX(),tmphisto->GetXaxis()->GetXmin(),tmphisto->GetXaxis()->GetXmax());
      h_PVz[1]->update();
      h_PVz[1] = dbe_->book1D(tmpfile,h_PVz[0]->getTH1F());
      h_PVz[1]->getTH1()->Fit(fgaus.get(),"QLM");
      delete tmphisto;

    }//check if found min Vertices
  }//do PVfit

  if ((resetPVNLumi_ > 0 && countLumi_ == resetPVNLumi_) || StartAverage_){
    beginLumiOfPVFit_=0;
    refPVtime[0] = 0;
    }




     //---------Readjustment of theBSvector, RefTime, beginLSofFit---------
     vector<BSTrkParameters> theBSvector1 = theBeamFitter->getBSvector();
     mapLSBSTrkSize[countLumi_]= (theBSvector1.size());
      size_t PreviousRecords=0;     //needed to fill nth record of tracks in GUI

      if(StartAverage_){
      size_t SizeToRemove=0;
      std::map<int, std::size_t>::iterator rmls=mapLSBSTrkSize.begin();
      SizeToRemove = rmls->second;
      if(debug_)edm::LogInfo("BeamMonitor")<< "  The size to remove is =  "<< SizeToRemove << endl;
      int changedAfterThis=0;
      for(std::map<int, std::size_t>::iterator rmLS = mapLSBSTrkSize.begin(); rmLS!=mapLSBSTrkSize.end(); ++rmLS, ++changedAfterThis){
         if(changedAfterThis > 0 ){(rmLS->second)  = (rmLS->second)-SizeToRemove;
                                    if((mapLSBSTrkSize.size()- (size_t)changedAfterThis) == 2 )PreviousRecords = (rmLS->second);
                                  } }

      theBeamFitter->resizeBSvector(SizeToRemove);

      map<int, std::size_t >::iterator tmpIt=mapLSBSTrkSize.begin();
      mapLSBSTrkSize.erase(tmpIt);

      std::pair<int,int> checkfitLS = theBeamFitter->getFitLSRange();
      std::pair<time_t,time_t> checkfitTime =theBeamFitter->getRefTime();
      theBeamFitter->setFitLSRange(beginLumiOfBSFit_, checkfitLS.second);
      theBeamFitter->setRefTime(refBStime[0], checkfitTime.second);
      }

      //Fill the track for this fit
      vector<BSTrkParameters> theBSvector = theBeamFitter->getBSvector();
      h_nTrk_lumi->ShiftFillLast( theBSvector.size() );

      if(debug_)edm::LogInfo("BeamMonitor")<< "FitAndFill::   Size of  theBSViector.size()  After =" << theBSvector.size() << endl;



  bool countFitting = false;
  if (theBSvector.size() >= PreviousRecords  && theBSvector.size() >= min_Ntrks_) {
      countFitting = true;
     }


   //---Fix for Cut Flow Table for Running average in a same way//the previous code  has problem for resetting!!!
   mapLSCF[countLumi_] = *theBeamFitter->getCutFlow();
   if(StartAverage_ && !mapLSCF.empty()){
     const TH1F& cutFlowToSubtract = mapLSCF.begin()->second;
     // Subtract the last cut flow from all of the others.
     std::map<int, TH1F>::iterator cf = mapLSCF.begin();
     // Start on second entry
     for(; cf != mapLSCF.end(); ++cf) {
       cf->second.Add(&cutFlowToSubtract, -1);
     }
     theBeamFitter->subtractFromCutFlow(&cutFlowToSubtract);
     // Remove the obsolete lumi section
     mapLSCF.erase(mapLSCF.begin());
   }

  if (resetHistos_) {
    h_d0_phi0->Reset();
    h_vx_vy->Reset();
    h_vx_dz->Reset();
    h_vy_dz->Reset();
    h_trk_z0->Reset();
    resetHistos_ = false;
  }

  if(StartAverage_) nthBSTrk_  = PreviousRecords; //after average proccess is ON//for 2-6 LS fit PreviousRecords is size from 2-5 LS

  edm::LogInfo("BeamMonitor")<<" The Previous Recored for this fit is  ="<<nthBSTrk_<<endl;

  unsigned int itrk = 0;
  for (vector<BSTrkParameters>::const_iterator BSTrk = theBSvector.begin();
       BSTrk != theBSvector.end();  ++BSTrk, ++itrk){
    if (itrk >= nthBSTrk_){//fill for this record only !!
      h_d0_phi0->Fill( BSTrk->phi0(), BSTrk->d0() );
      double vx = BSTrk->vx();
      double vy = BSTrk->vy();
      double z0 = BSTrk->z0();
      h_vx_vy->Fill( vx, vy );
      h_vx_dz->Fill( z0, vx );
      h_vy_dz->Fill( z0, vy );
      h_trk_z0->Fill( z0 );
     }
  }


   nthBSTrk_ = theBSvector.size(); // keep track of num of tracks filled so far

   edm::LogInfo("BeamMonitor")<<" The Current Recored for this fit is  ="<<nthBSTrk_<<endl;

  if (countFitting) edm::LogInfo("BeamMonitor") << "FitAndFill::  Num of tracks collected = " << nthBSTrk_ << endl;


  if (fitNLumi_ > 0) {
    if (onlineMode_){
      if (currentlumi%fitNLumi_!=0) {
//  for (std::map<TString,MonitorElement*>::iterator itAll = hs.begin();
//       itAll != hs.end(); ++itAll) {
//    if ((*itAll).first.Contains("all")) {
//      (*itAll).second->setBinContent(currentlumi,0.);
//      (*itAll).second->setBinError(currentlumi,0.);
//    }
//  }
    return;
      }
    }
    else
      if (countLumi_%fitNLumi_!=0) return;
  }

  edm::LogInfo("BeamMonitor") << "FitAndFill:: [DebugTime] refBStime[0] = " << refBStime[0]
                  << "; address =  " << &refBStime[0] << std::endl;
  edm::LogInfo("BeamMonitor") << "FitAndFill:: [DebugTime] refBStime[1] = " << refBStime[1]
                  << "; address =  " << &refBStime[1] << std::endl;

  //Fill for all LS even if fit fails
  h_nVtx_lumi->ShiftFillLast( (theBeamFitter->getPVvectorSize()), 0., fitNLumi_ );
  h_nVtx_lumi_all->setBinContent(currentlumi,(theBeamFitter->getPVvectorSize()));

  if (countFitting) {
    nFits_++;
    std::pair<int,int> fitLS = theBeamFitter->getFitLSRange();
    edm::LogInfo("BeamMonitor") << "FitAndFill::  [BeamFitter] Do BeamSpot Fit for LS = " << fitLS.first << " to " << fitLS.second << std::endl;
    edm::LogInfo("BeamMonitor") << "FitAndFill::  [BeamMonitor] Do BeamSpot Fit for LS = " << beginLumiOfBSFit_ << " to " << endLumiOfBSFit_ << std::endl;

    //Now Run the PV and Track Fitter over the collected tracks and pvs
    if (theBeamFitter->runPVandTrkFitter()) {
      reco::BeamSpot bs = theBeamFitter->getBeamSpot();
      if (bs.type() > 0) // with good beamwidth fit
    preBS = bs; // cache good fit results

      edm::LogInfo("BeamMonitor") << "\n RESULTS OF DEFAULT FIT:" << endl;
      edm::LogInfo("BeamMonitor") << bs << endl;
      edm::LogInfo("BeamMonitor") << "[BeamFitter] fitting done \n" << endl;

      hs["x0_lumi"]->ShiftFillLast( bs.x0(), bs.x0Error(), fitNLumi_ );
      hs["y0_lumi"]->ShiftFillLast( bs.y0(), bs.y0Error(), fitNLumi_ );
      hs["z0_lumi"]->ShiftFillLast( bs.z0(), bs.z0Error(), fitNLumi_ );
      hs["sigmaX0_lumi"]->ShiftFillLast( bs.BeamWidthX(), bs.BeamWidthXError(), fitNLumi_ );
      hs["sigmaY0_lumi"]->ShiftFillLast( bs.BeamWidthY(), bs.BeamWidthYError(), fitNLumi_ );
      hs["sigmaZ0_lumi"]->ShiftFillLast( bs.sigmaZ(), bs.sigmaZ0Error(), fitNLumi_ );
      hs["x0_lumi_all"]->setBinContent(currentlumi,bs.x0());
      hs["x0_lumi_all"]->setBinError(currentlumi,bs.x0Error());
      hs["y0_lumi_all"]->setBinContent(currentlumi,bs.y0());
      hs["y0_lumi_all"]->setBinError(currentlumi,bs.y0Error());
      hs["z0_lumi_all"]->setBinContent(currentlumi,bs.z0());
      hs["z0_lumi_all"]->setBinError(currentlumi,bs.z0Error());
      hs["sigmaX0_lumi_all"]->setBinContent(currentlumi, bs.BeamWidthX());
      hs["sigmaX0_lumi_all"]->setBinError(currentlumi, bs.BeamWidthXError());
      hs["sigmaY0_lumi_all"]->setBinContent(currentlumi, bs.BeamWidthY());
      hs["sigmaY0_lumi_all"]->setBinError(currentlumi, bs.BeamWidthYError());
      hs["sigmaZ0_lumi_all"]->setBinContent(currentlumi, bs.sigmaZ());
      hs["sigmaZ0_lumi_all"]->setBinError(currentlumi, bs.sigmaZ0Error());

      int nthBin = tmpTime - refTime;
      if (nthBin > 0) {
    hs["x0_time"]->setBinContent(nthBin, bs.x0());
    hs["y0_time"]->setBinContent(nthBin, bs.y0());
    hs["z0_time"]->setBinContent(nthBin, bs.z0());
    hs["sigmaX0_time"]->setBinContent(nthBin, bs.BeamWidthX());
    hs["sigmaY0_time"]->setBinContent(nthBin, bs.BeamWidthY());
    hs["sigmaZ0_time"]->setBinContent(nthBin, bs.sigmaZ());
    hs["x0_time"]->setBinError(nthBin, bs.x0Error());
    hs["y0_time"]->setBinError(nthBin, bs.y0Error());
    hs["z0_time"]->setBinError(nthBin, bs.z0Error());
    hs["sigmaX0_time"]->setBinError(nthBin, bs.BeamWidthXError());
    hs["sigmaY0_time"]->setBinError(nthBin, bs.BeamWidthYError());
    hs["sigmaZ0_time"]->setBinError(nthBin, bs.sigmaZ0Error());
      }

      int jthBin = tmpTime - startTime;
      if (jthBin > 0) {
    hs["x0_time_all"]->setBinContent(jthBin, bs.x0());
    hs["y0_time_all"]->setBinContent(jthBin, bs.y0());
    hs["z0_time_all"]->setBinContent(jthBin, bs.z0());
    hs["sigmaX0_time_all"]->setBinContent(jthBin, bs.BeamWidthX());
    hs["sigmaY0_time_all"]->setBinContent(jthBin, bs.BeamWidthY());
    hs["sigmaZ0_time_all"]->setBinContent(jthBin, bs.sigmaZ());
    hs["x0_time_all"]->setBinError(jthBin, bs.x0Error());
    hs["y0_time_all"]->setBinError(jthBin, bs.y0Error());
    hs["z0_time_all"]->setBinError(jthBin, bs.z0Error());
    hs["sigmaX0_time_all"]->setBinError(jthBin, bs.BeamWidthXError());
    hs["sigmaY0_time_all"]->setBinError(jthBin, bs.BeamWidthYError());
    hs["sigmaZ0_time_all"]->setBinError(jthBin, bs.sigmaZ0Error());
      }

      h_x0->Fill( bs.x0());
      h_y0->Fill( bs.y0());
      h_z0->Fill( bs.z0());
      if (bs.type() > 0) { // with good beamwidth fit
    h_sigmaX0->Fill( bs.BeamWidthX());
    h_sigmaY0->Fill( bs.BeamWidthY());
      }
      h_sigmaZ0->Fill( bs.sigmaZ());

      if (nthBSTrk_ >= 2*min_Ntrks_) {
    double amp = std::sqrt(bs.x0()*bs.x0()+bs.y0()*bs.y0());
    double alpha = std::atan2(bs.y0(),bs.x0());
    std::unique_ptr<TF1> f1{ new TF1("f1","[0]*sin(x-[1])",-3.14,3.14) };
    f1->SetParameters(amp,alpha);
    f1->SetParLimits(0,amp-0.1,amp+0.1);
    f1->SetParLimits(1,alpha-0.577,alpha+0.577);
    f1->SetLineColor(4);
    h_d0_phi0->getTProfile()->Fit(f1.get(),"QR");

    double mean = bs.z0();
    double width = bs.sigmaZ();
    std::unique_ptr<TF1> fgaus{ new TF1("fgaus","gaus") };
    fgaus->SetParameters(mean,width);
    fgaus->SetLineColor(4);
    h_trk_z0->getTH1()->Fit(fgaus.get(),"QLRM","",mean-3*width,mean+3*width);
      }

      fitResults->Reset();
      std::pair<int,int> LSRange = theBeamFitter->getFitLSRange();
      char tmpTitle[50];
      sprintf(tmpTitle,"%s %i %s %i","Fitted Beam Spot (cm) of LS: ",LSRange.first," to ",LSRange.second);
      fitResults->setAxisTitle(tmpTitle,1);
      fitResults->setBinContent(1,8,bs.x0());
      fitResults->setBinContent(1,7,bs.y0());
      fitResults->setBinContent(1,6,bs.z0());
      fitResults->setBinContent(1,5,bs.sigmaZ());
      fitResults->setBinContent(1,4,bs.dxdz());
      fitResults->setBinContent(1,3,bs.dydz());
      if (bs.type() > 0) { // with good beamwidth fit
    fitResults->setBinContent(1,2,bs.BeamWidthX());
    fitResults->setBinContent(1,1,bs.BeamWidthY());
      }
      else { // fill cached widths
    fitResults->setBinContent(1,2,preBS.BeamWidthX());
    fitResults->setBinContent(1,1,preBS.BeamWidthY());
      }

      fitResults->setBinContent(2,8,bs.x0Error());
      fitResults->setBinContent(2,7,bs.y0Error());
      fitResults->setBinContent(2,6,bs.z0Error());
      fitResults->setBinContent(2,5,bs.sigmaZ0Error());
      fitResults->setBinContent(2,4,bs.dxdzError());
      fitResults->setBinContent(2,3,bs.dydzError());
      if (bs.type() > 0) { // with good beamwidth fit
    fitResults->setBinContent(2,2,bs.BeamWidthXError());
    fitResults->setBinContent(2,1,bs.BeamWidthYError());
      }
      else { // fill cached width errors
    fitResults->setBinContent(2,2,preBS.BeamWidthXError());
    fitResults->setBinContent(2,1,preBS.BeamWidthYError());
      }

      // count good fit
      //     if (std::fabs(refBS.x0()-bs.x0())/bs.x0Error() < deltaSigCut_) { // disabled temporarily
      summaryContent_[0] += 1.;
      //     }
      //     if (std::fabs(refBS.y0()-bs.y0())/bs.y0Error() < deltaSigCut_) { // disabled temporarily
      summaryContent_[1] += 1.;
      //     }
      //     if (std::fabs(refBS.z0()-bs.z0())/bs.z0Error() < deltaSigCut_) { // disabled temporarily
      summaryContent_[2] += 1.;
      //     }

    } //if (theBeamFitter->runPVandTrkFitter())
    else { // beam fit fails
      reco::BeamSpot bs = theBeamFitter->getBeamSpot();
      edm::LogInfo("BeamMonitor") << "FitAndFill::   [BeamMonitor] Beam fit fails!!! \n" << endl;
      edm::LogInfo("BeamMonitor") << "FitAndFill::   [BeamMonitor] Output beam spot for DIP \n" << endl;
      edm::LogInfo("BeamMonitor") << bs << endl;

      hs["sigmaX0_lumi"]->ShiftFillLast( bs.BeamWidthX(), bs.BeamWidthXError(), fitNLumi_ );
      hs["sigmaY0_lumi"]->ShiftFillLast( bs.BeamWidthY(), bs.BeamWidthYError(), fitNLumi_ );
      hs["sigmaZ0_lumi"]->ShiftFillLast( bs.sigmaZ(), bs.sigmaZ0Error(), fitNLumi_ );
      hs["x0_lumi"]->ShiftFillLast( bs.x0(), bs.x0Error(), fitNLumi_ );
      hs["y0_lumi"]->ShiftFillLast( bs.y0(), bs.y0Error(), fitNLumi_ );
      hs["z0_lumi"]->ShiftFillLast( bs.z0(), bs.z0Error(), fitNLumi_ );
    } // end of beam fit fails


  } //-------- end of countFitting------------------------------------------
 else { // no fit
    // Overwrite Fit LS and fit time when no event processed or no track selected
    theBeamFitter->setFitLSRange(beginLumiOfBSFit_,endLumiOfBSFit_);
    theBeamFitter->setRefTime(refBStime[0],refBStime[1]);
    if (theBeamFitter->runPVandTrkFitter()) {} // Dump fake beam spot for DIP
    reco::BeamSpot bs = theBeamFitter->getBeamSpot();
    edm::LogInfo("BeamMonitor") << "FitAndFill::  [BeamMonitor] No fitting \n" << endl;
    edm::LogInfo("BeamMonitor") << "FitAndFill::  [BeamMonitor] Output fake beam spot for DIP \n" << endl;
    edm::LogInfo("BeamMonitor") << bs << endl;

    hs["sigmaX0_lumi"]->ShiftFillLast( bs.BeamWidthX(), bs.BeamWidthXError(), fitNLumi_ );
    hs["sigmaY0_lumi"]->ShiftFillLast( bs.BeamWidthY(), bs.BeamWidthYError(), fitNLumi_ );
    hs["sigmaZ0_lumi"]->ShiftFillLast( bs.sigmaZ(), bs.sigmaZ0Error(), fitNLumi_ );
    hs["x0_lumi"]->ShiftFillLast( bs.x0(), bs.x0Error(), fitNLumi_ );
    hs["y0_lumi"]->ShiftFillLast( bs.y0(), bs.y0Error(), fitNLumi_ );
    hs["z0_lumi"]->ShiftFillLast( bs.z0(), bs.z0Error(), fitNLumi_ );
  }



  // Fill summary report
  if (countFitting) {
    for (int n = 0; n < nFitElements_; n++) {
      reportSummaryContents[n]->Fill( summaryContent_[n] / (float)nFits_ );
    }

    summarySum_ = 0;
    for (int ii = 0; ii < nFitElements_; ii++) {
      summarySum_ += summaryContent_[ii];
    }
    reportSummary_ = summarySum_ / (nFitElements_ * nFits_);
    if (reportSummary) reportSummary->Fill(reportSummary_);

    for ( int bi = 0; bi < nFitElements_ ; bi++) {
      reportSummaryMap->setBinContent(1,bi+1,summaryContent_[bi] / (float)nFits_);
    }
  }




  if ( ( resetFitNLumi_ > 0 &&
        ((onlineMode_ && countLumi_==resetFitNLumi_ ) ||  //OR it should be currentLumi_ (if in sequence then does not mattar)
        (!onlineMode_ && countLumi_==resetFitNLumi_ ))
       )  || (StartAverage_) ){

    edm::LogInfo("BeamMonitor") << "FitAndFill:: The flag is ON for running average Beam Spot fit"<<endl;
    StartAverage_    = true;
    firstAverageFit_++;
    resetHistos_     = true;
    nthBSTrk_        = 0;
    beginLumiOfBSFit_= 0;
    refBStime[0]     = 0;

    }



}

//--------------------------------------------------------
void BeamMonitor::RestartFitting(){
 if(debug_)edm::LogInfo("BeamMonitor") << " RestartingFitting:: Restart Beami everything to a fresh start !!! because Gap is > 10 LS" <<endl;
                                                //track based fit reset here
                                                resetHistos_ = true;
                                                nthBSTrk_ = 0;
                                                theBeamFitter->resetTrkVector();
                                                theBeamFitter->resetLSRange();
                                                theBeamFitter->resetRefTime();
                                                theBeamFitter->resetPVFitter();
                                                theBeamFitter->resetCutFlow();
                                                beginLumiOfBSFit_ = 0;
                                                refBStime[0] = 0;
                                                //pv based fit iis reset here
                                                h_PVx[0]->Reset();
                                                h_PVy[0]->Reset();
                                                h_PVz[0]->Reset();
                                                beginLumiOfPVFit_ = 0;
                                                refPVtime[0] = 0;
                                                //Clear all the Maps here
                                                mapPVx.clear();
                                                mapPVy.clear();
                                                mapPVz.clear();
                                                mapNPV.clear();
                                                mapBeginBSLS.clear();
                                                mapBeginPVLS.clear();
                                                mapBeginBSTime.clear();
                                                mapBeginPVTime.clear();
                                                mapLSBSTrkSize.clear();
                                                mapLSPVStoreSize.clear();
                                                mapLSCF.clear(); countGapLumi_=0; countLumi_=0; StartAverage_=false;

}

//-------------------------------------------------------
void BeamMonitor::endRun(const Run& r, const EventSetup& context){

if(debug_)edm::LogInfo("BeamMonitor") << "endRun:: Clearing all the Maps "<<endl;
//Clear all the Maps here
mapPVx.clear();
mapPVy.clear();
mapPVz.clear();
mapNPV.clear();
mapBeginBSLS.clear();
mapBeginPVLS.clear();
mapBeginBSTime.clear();
mapBeginPVTime.clear();
mapLSBSTrkSize.clear();
mapLSPVStoreSize.clear();
mapLSCF.clear();


}

//--------------------------------------------------------
void BeamMonitor::endJob(const LuminosityBlock& lumiSeg,
             const EventSetup& iSetup){
  if (!onlineMode_) endLuminosityBlock(lumiSeg, iSetup);
}

//--------------------------------------------------------
void BeamMonitor::scrollTH1(TH1 * h, time_t ref) {
  char offsetTime[64];
  formatFitTime(offsetTime, ref);
  TDatime da(offsetTime);
  if (lastNZbin > 0) {
    double val = h->GetBinContent(lastNZbin);
    double valErr = h->GetBinError(lastNZbin);
    h->Reset();
    h->GetXaxis()->SetTimeOffset(da.Convert(kTRUE));
    int bin = (lastNZbin > buffTime ? buffTime : 1);
    h->SetBinContent(bin,val);
    h->SetBinError(bin,valErr);
  }
  else {
    h->Reset();
    h->GetXaxis()->SetTimeOffset(da.Convert(kTRUE));
  }
}

//--------------------------------------------------------
// Method to check whether to chane histogram time offset (forward only)
bool BeamMonitor::testScroll(time_t & tmpTime_, time_t & refTime_){
  bool scroll_ = false;
  if (tmpTime_ - refTime_ >= intervalInSec_) {
    scroll_ = true;
    edm::LogInfo("BeamMonitor") << "testScroll::  Reset Time Offset" << std::endl;
    lastNZbin = intervalInSec_;
    for (int bin = intervalInSec_; bin >= 1; bin--) {
      if (hs["x0_time"]->getBinContent(bin) > 0) {
    lastNZbin = bin;
    break;
      }
    }
    edm::LogInfo("BeamMonitor") << "testScroll::  Last non zero bin = " << lastNZbin << std::endl;
    if (tmpTime_ - refTime_ >= intervalInSec_ + lastNZbin) {
      edm::LogInfo("BeamMonitor") << "testScroll::  Time difference too large since last readout" << std::endl;
      lastNZbin = 0;
      refTime_ = tmpTime_ - buffTime;
    }
    else{
      edm::LogInfo("BeamMonitor") << "testScroll::  Offset to last record" << std::endl;
      int offset = ((lastNZbin > buffTime) ? (lastNZbin - buffTime) : (lastNZbin - 1));
      refTime_ += offset;
    }
  }
  return scroll_;
}

DEFINE_FWK_MODULE(BeamMonitor);

// Local Variables:
// show-trailing-whitespace: t
// truncate-lines: t
// End: