DTTimeEvolutionHisto.cc

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/*
 *  See header file for a description of this class.
 *
 *  \author G. Cerminara - INFN Torino
 */

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

#include "DQMServices/Core/interface/DQMStore.h"
#include "DQMServices/Core/interface/MonitorElement.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

using namespace std;
using namespace edm;


DTTimeEvolutionHisto::DTTimeEvolutionHisto(DQMStore::IBooker & ibooker, const string& name,
                       const string& title,
                       int nbins,
                       int lsPrescale,
                       bool sliding,
                       int mode) :
             DTTimeEvolutionHisto(ibooker, name, title, nbins, 1, lsPrescale, sliding, mode) {

    nBookedBins = histo->getNbinsX();
}


DTTimeEvolutionHisto::DTTimeEvolutionHisto(DQMStore::IBooker & ibooker, const string& name,
                       const string& title,
                       int nbins,
                       int firstLS,
                       int lsPrescale,
                       bool sliding,
                       int mode) : valueLastTimeSlot(0),
                               theFirstLS(firstLS),
                               theLSPrescale(lsPrescale),
                               doSlide(sliding),
                               theMode(mode) {
  // set the number of bins to be booked
  nBookedBins = nbins;
  if(sliding) nBookedBins++;
  if(!sliding && theMode == 0)
    LogWarning("DTDQM|DTMonitorModule|DTMonitorClient|DTTimeEvolutionHisto")
      << "[DTTimeEvolutionHisto]***Error: wrong configuration" << endl;

  stringstream realTitle; realTitle << title << "/" <<  theLSPrescale << " LS";

  // book the ME

  histo = ibooker.book1D(name, realTitle.str(), nBookedBins, (float)theFirstLS, nBookedBins+1.);

  // set the axis label
  if(sliding) {
    histo->setBinLabel(1,"avg. previous",1);
  } else {
    // loop over bins and

    for(int bin =1; bin != nBookedBins+1; ++bin) {
      stringstream label;
      if(theLSPrescale > 1) {
    label << "LS " << ((bin-1)*theLSPrescale)+theFirstLS << "-" << bin*theLSPrescale+theFirstLS;
      } else {
    label << "LS " << ((bin-1)*theLSPrescale)+theFirstLS;
      }
      if (bin%(2*(int)theLSPrescale)==0) histo->setBinLabel(bin, label.str(),1); //JF to allow easy reading of x-axis
    }
  }
}

//FR changed previous constructor with 2 arguments:
//no igetter here!! so I get the histo from the client and just instanciate here a DTTimeEvolutionHisto

DTTimeEvolutionHisto::DTTimeEvolutionHisto(MonitorElement* histoGot) : valueLastTimeSlot(0), theFirstLS(1),
                                        theLSPrescale(-1),
                                        doSlide(false),
                                        theMode(0) { // FIXME: set other memebers to sensible values
  LogVerbatim("DTDQM|DTMonitorModule|DTMonitorClient|DTTimeEvolutionHisto")
    << "[DTTimeEvolutionHisto] Retrieve ME with name: " << " "<< endl;
  histo = histoGot;
}


DTTimeEvolutionHisto::~DTTimeEvolutionHisto(){}



void DTTimeEvolutionHisto::setTimeSlotValue(float value, int timeSlot) {

  if(!doSlide) {

    histo->Fill(timeSlot,value);
  } else {
    for(int bin = 1; bin != nBookedBins; ++bin) {
      float value = histo->getBinContent(bin);

      if(bin == 1) { // average of previous time slots (fixme)
    histo->setBinContent(bin, (value + histo->getBinContent(bin+1))/2.);
      } else if(bin != nBookedBins) {
    histo->setBinContent(bin, histo->getBinContent(bin+1));
    histo->setBinError(bin, histo->getBinError(bin+1));
    histo->setBinLabel(bin, histo->getTH1F()->GetXaxis()->GetBinLabel(bin+1),1); 
      }
    }
    histo->setBinContent(nBookedBins, value);
  }
}


void DTTimeEvolutionHisto::accumulateValueTimeSlot(float value) {
  valueLastTimeSlot += value;
}



void DTTimeEvolutionHisto::updateTimeSlot(int ls, int nEventsInLS) {

  if(doSlide) { // sliding bins
    // count LS in this time-slot
    if (nEventsInLastTimeSlot.find(ls) != nEventsInLastTimeSlot.end()) {
      nEventsInLastTimeSlot[ls] += nEventsInLS;
      nLumiTrInLastTimeSlot[ls]++;
    } else {
      nEventsInLastTimeSlot[ls] = nEventsInLS;
      nLumiTrInLastTimeSlot[ls] = 1;
    }


    if(!nEventsInLastTimeSlot.empty() && nEventsInLastTimeSlot.size()%theLSPrescale==0) { // update the value of the slot and reset the counters
      int firstLSinTimeSlot = nEventsInLastTimeSlot.begin()->first;
      int lastLSinTimeSlot  = nEventsInLastTimeSlot.rbegin()->first;

      map<int,int>::const_iterator nEventsIt  = nEventsInLastTimeSlot.begin();
      map<int,int>::const_iterator nEventsEnd = nEventsInLastTimeSlot.end();

      int nEvents = 0;
      for (;nEventsIt!=nEventsEnd;++nEventsIt)
    nEvents+=nEventsIt->second;

      LogVerbatim("DTDQM|DTMonitorModule|DTMonitorClient|DTTimeEvolutionHisto")
    << "[DTTimeEvolutionHisto] Update time-slot, # entries: " << valueLastTimeSlot
    << " # events: " << nEvents << endl;
      // set the bin content

      float value = 0;
      if(theMode == 0) {
    if(nEvents != 0) value = valueLastTimeSlot/(float)nEvents;
      } else if(theMode == 1) {
    value = valueLastTimeSlot;
      } else if(theMode == 2) {
    value = nEvents;
      } else if(theMode == 3) {
    map<int,int>::const_iterator nLumiTrIt  = nLumiTrInLastTimeSlot.begin();
    map<int,int>::const_iterator nLumiTrEnd = nLumiTrInLastTimeSlot.end();

    float nLumiTr = 0.;
    for (;nLumiTrIt!=nLumiTrEnd;++nLumiTrIt)
      nLumiTr+=nLumiTrIt->second;

    value = valueLastTimeSlot/nLumiTr;
      }
      setTimeSlotValue(value, nBookedBins);
      LogVerbatim("DTDQM|DTMonitorModule|DTMonitorClient|DTTimeEvolutionHisto")
    << "       updated value: " << histo->getBinContent(nBookedBins) << endl;

      // set the bin label
      stringstream binLabel;
      binLabel << "LS " << firstLSinTimeSlot;
      if(nEventsInLastTimeSlot.size() > 1)
    binLabel << "-" << lastLSinTimeSlot;

      //if(lastLSinTimeSlot%(3*(int)theLSPrescale)==0)
    histo->setBinLabel(nBookedBins,binLabel.str(),1);

      // reset the counters for the time slot
      nEventsInLastTimeSlot.clear();
      nLumiTrInLastTimeSlot.clear();
      valueLastTimeSlot = 0;
    }


  } else {
    int binN = (int)ls-(theFirstLS-1)/(int)theLSPrescale;
    // set the bin content
    float value = 0;
    if(theMode == 1) {
      value = valueLastTimeSlot;
    } else if(theMode == 2) {
      value = nEventsInLS;
    } else if(theMode == 3) {
      value = valueLastTimeSlot/theLSPrescale;
    }
    LogVerbatim("DTDQM|DTMonitorModule|DTMonitorClient|DTTimeEvolutionHisto")
      << "[DTTimeEvolutionHisto] Update time-slot: "<< binN << " with value: " << value << endl;
    setTimeSlotValue(value,binN);
  }
}




void DTTimeEvolutionHisto::normalizeTo(const MonitorElement *histForNorm) {
  if(histo == nullptr) {
    LogWarning("DTDQM|DTMonitorModule|DTMonitorClient|DTTimeEvolutionHisto")
      << "[DTTimeEvolutionHisto]***Error: pointer to ME is NULL" << endl;
    return;
  }
  int nBins = histo->getNbinsX();
  if(histForNorm->getNbinsX() != nBins) {
    LogWarning("DTDQM|DTMonitorModule|DTMonitorClient|DTTimeEvolutionHisto")
      << "[DTTimeEvolutionHisto]***Error: normalizing histos with != # of bins" << endl;
    return;
  }
  for(int bin = 1; bin <= nBins; ++bin) { // loop over bins
    if(histForNorm->getBinContent(bin) != 0) {
      double normValue = histo->getBinContent(bin)/histForNorm->getBinContent(bin);
      LogVerbatim("DTDQM|DTMonitorModule|DTMonitorClient|DTTimeEvolutionHisto")
    << "[DTTimeEvolutionHisto] Normalizing bin: " << bin << " to: " <<  histo->getBinContent(bin) << " / " << histForNorm->getBinContent(bin)
    << " = " << normValue << endl;
      histo->setBinContent(bin, normValue);
    } else {
      histo->setBinContent(bin, 0);
    }
  }
}

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