FlavourHistorgrams.h

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#ifndef FlavourHistograms_H
#define FlavourHistograms_H

#include "DQMServices/Core/interface/DQMStore.h"
#include "FWCore/ServiceRegistry/interface/Service.h"

// #include "BTagPlotPrintC.h"

#include "TH1F.h"
#include "TCanvas.h"
#include "TROOT.h"
#include "TSystem.h"
#include "TStyle.h"
#include "TEfficiency.h"

#include "DQMOffline/RecoB/interface/Tools.h"
#include "DQMOffline/RecoB/interface/HistoProviderDQM.h"
#include <iostream>
#include <string>

//
// class to describe Histo
//
template <class T>
class FlavourHistograms {
public:
  typedef dqm::legacy::DQMStore DQMStore;
  typedef dqm::legacy::MonitorElement MonitorElement;

  FlavourHistograms(const std::string& baseNameTitle_,
                    const std::string& baseNameDescription_,
                    const int& nBins_,
                    const double& lowerBound_,
                    const double& upperBound_,
                    const std::string& plotFirst_,
                    const std::string& folder,
                    const unsigned int& mc,
                    DQMStore::IGetter& iget);

  FlavourHistograms(const std::string& baseNameTitle_,
                    const std::string& baseNameDescription_,
                    const int& nBins_,
                    const double& lowerBound_,
                    const double& upperBound_,
                    const bool& statistics_,
                    const bool& plotLog_,
                    const bool& plotNormalized_,
                    const std::string& plotFirst_,
                    const std::string& folder,
                    const unsigned int& mc,
                    DQMStore::IBooker& ibook);

  virtual ~FlavourHistograms();

  // fill entry
  // For single variables and arrays (for arrays only a single index can be filled)
  void fill(const int& flavour, const T& variable) const;
  void fill(const int& flavour, const T& variable, const T& w) const;

  // For single variables and arrays
  void fill(const int& flavour, const T* variable) const;

  void settitle(const char* title);

  void plot(TPad* theCanvas = nullptr);

  void epsPlot(const std::string& name);

  void divide(const FlavourHistograms<T>& bHD);
  void setEfficiencyFlag();

  inline void SetMaximum(const double& max) { theMax = max; }
  inline void SetMinimum(const double& min) { theMin = min; }

  // trivial access functions
  inline std::string baseNameTitle() const { return theBaseNameTitle; }
  inline std::string baseNameDescription() const { return theBaseNameDescription; }
  inline int nBins() const { return theNBins; }
  inline double lowerBound() const { return theLowerBound; }
  inline double upperBound() const { return theUpperBound; }
  inline bool statistics() const { return theStatistics; }
  inline bool plotLog() const { return thePlotLog; }
  inline bool plotNormalized() const { return thePlotNormalized; }
  inline std::string plotFirst() const { return thePlotFirst; }
  inline int* arrayDimension() const { return theArrayDimension; }
  inline int maxDimension() const { return theMaxDimension; }
  inline int indexToPlot() const { return theIndexToPlot; }

  // access to the histos
  inline TH1F* histo_all() const { return theHisto_all->getTH1F(); }
  inline TH1F* histo_d() const { return theHisto_d->getTH1F(); }
  inline TH1F* histo_u() const { return theHisto_u->getTH1F(); }
  inline TH1F* histo_s() const { return theHisto_s->getTH1F(); }
  inline TH1F* histo_c() const { return theHisto_c->getTH1F(); }
  inline TH1F* histo_b() const { return theHisto_b->getTH1F(); }
  inline TH1F* histo_g() const { return theHisto_g->getTH1F(); }
  inline TH1F* histo_ni() const { return theHisto_ni->getTH1F(); }
  inline TH1F* histo_dus() const { return theHisto_dus->getTH1F(); }
  inline TH1F* histo_dusg() const { return theHisto_dusg->getTH1F(); }
  inline TH1F* histo_pu() const { return theHisto_pu->getTH1F(); }

  std::vector<TH1F*> getHistoVector() const;

protected:
  void fillVariable(const int& flavour, const T& var, const T& w) const;
  double ClopperPearsonUnc(double num, double den);
  void ComputeEfficiency(TH1F* num, TH1F* den, int bin);

  //
  // the data members
  //

  //   T *   theVariable   ;

  // for arrays
  int* theArrayDimension;
  int theMaxDimension;
  int theIndexToPlot;  // in case that not the complete array has to be plotted

  std::string theBaseNameTitle;
  std::string theBaseNameDescription;
  int theNBins;
  double theLowerBound;
  double theUpperBound;
  bool theStatistics;
  bool thePlotLog;
  bool thePlotNormalized;
  std::string thePlotFirst;  // one character; gives flavour to plot first: l (light) , c , b
  double theMin, theMax;

  // the histos
  MonitorElement* theHisto_all;
  MonitorElement* theHisto_d;
  MonitorElement* theHisto_u;
  MonitorElement* theHisto_s;
  MonitorElement* theHisto_c;
  MonitorElement* theHisto_b;
  MonitorElement* theHisto_g;
  MonitorElement* theHisto_ni;
  MonitorElement* theHisto_dus;
  MonitorElement* theHisto_dusg;
  MonitorElement* theHisto_pu;

  //  DQMStore * dqmStore_;

  // the canvas to plot
  TCanvas* theCanvas;

private:
  FlavourHistograms() {}

  unsigned int mcPlots_;
};

template <class T>
FlavourHistograms<T>::FlavourHistograms(const std::string& baseNameTitle_,
                                        const std::string& baseNameDescription_,
                                        const int& nBins_,
                                        const double& lowerBound_,
                                        const double& upperBound_,
                                        const std::string& plotFirst_,
                                        const std::string& folder,
                                        const unsigned int& mc,
                                        DQMStore::IGetter& iget)
    : theMaxDimension(-1),
      theIndexToPlot(-1),
      theBaseNameTitle(baseNameTitle_),
      theBaseNameDescription(baseNameDescription_),
      theNBins(nBins_),
      theLowerBound(lowerBound_),
      theUpperBound(upperBound_),
      theStatistics(false),
      thePlotLog(false),
      thePlotNormalized(false),
      thePlotFirst(plotFirst_),
      theMin(-1.),
      theMax(-1.),
      mcPlots_(mc) {
  // defaults for array dimensions
  theArrayDimension = nullptr;

  // check plot order string
  if (thePlotFirst == "l" || thePlotFirst == "c" || thePlotFirst == "b") {
    // OK
  } else {
    // not correct: print warning and set default (l)
    std::cout << "FlavourHistograms::FlavourHistograms : thePlotFirst was not correct : " << thePlotFirst << std::endl;
    std::cout << "FlavourHistograms::FlavourHistograms : Set it to default value (l)! " << std::endl;
    thePlotFirst = "l";
  }

  if (mcPlots_ % 2 == 0)
    theHisto_all = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "ALL");
  else
    theHisto_all = nullptr;
  if (mcPlots_) {
    if (mcPlots_ > 2) {
      theHisto_d = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "D");
      theHisto_u = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "U");
      theHisto_s = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "S");
      theHisto_g = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "G");
      theHisto_dus = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "DUS");
    } else {
      theHisto_d = nullptr;
      theHisto_u = nullptr;
      theHisto_s = nullptr;
      theHisto_g = nullptr;
      theHisto_dus = nullptr;
    }
    theHisto_c = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "C");
    theHisto_b = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "B");
    theHisto_ni = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "NI");
    theHisto_dusg = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "DUSG");
    theHisto_pu = iget.get("Btag/" + folder + "/" + theBaseNameTitle + "PU");
  } else {
    theHisto_d = nullptr;
    theHisto_u = nullptr;
    theHisto_s = nullptr;
    theHisto_c = nullptr;
    theHisto_b = nullptr;
    theHisto_g = nullptr;
    theHisto_ni = nullptr;
    theHisto_dus = nullptr;
    theHisto_dusg = nullptr;
    theHisto_pu = nullptr;
  }
  // defaults for other data members
  theCanvas = nullptr;
}

template <class T>
FlavourHistograms<T>::FlavourHistograms(const std::string& baseNameTitle_,
                                        const std::string& baseNameDescription_,
                                        const int& nBins_,
                                        const double& lowerBound_,
                                        const double& upperBound_,
                                        const bool& statistics_,
                                        const bool& plotLog_,
                                        const bool& plotNormalized_,
                                        const std::string& plotFirst_,
                                        const std::string& folder,
                                        const unsigned int& mc,
                                        DQMStore::IBooker& ibook)
    : theMaxDimension(-1),
      theIndexToPlot(-1),
      theBaseNameTitle(baseNameTitle_),
      theBaseNameDescription(baseNameDescription_),
      theNBins(nBins_),
      theLowerBound(lowerBound_),
      theUpperBound(upperBound_),
      theStatistics(statistics_),
      thePlotLog(plotLog_),
      thePlotNormalized(plotNormalized_),
      thePlotFirst(plotFirst_),
      theMin(-1.),
      theMax(-1.),
      mcPlots_(mc) {
  // defaults for array dimensions
  theArrayDimension = nullptr;

  // check plot order string
  if (thePlotFirst == "l" || thePlotFirst == "c" || thePlotFirst == "b") {
    // OK
  } else {
    // not correct: print warning and set default (l)
    std::cout << "FlavourHistograms::FlavourHistograms : thePlotFirst was not correct : " << thePlotFirst << std::endl;
    std::cout << "FlavourHistograms::FlavourHistograms : Set it to default value (l)! " << std::endl;
    thePlotFirst = "l";
  }

  // book histos
  HistoProviderDQM prov("Btag", folder, ibook);
  if (mcPlots_ % 2 == 0)
    theHisto_all = (prov.book1D(
        theBaseNameTitle + "ALL", theBaseNameDescription + " all jets", theNBins, theLowerBound, theUpperBound));
  else
    theHisto_all = nullptr;
  if (mcPlots_) {
    if (mcPlots_ > 2) {
      theHisto_d = (prov.book1D(
          theBaseNameTitle + "D", theBaseNameDescription + " d-jets", theNBins, theLowerBound, theUpperBound));
      theHisto_u = (prov.book1D(
          theBaseNameTitle + "U", theBaseNameDescription + " u-jets", theNBins, theLowerBound, theUpperBound));
      theHisto_s = (prov.book1D(
          theBaseNameTitle + "S", theBaseNameDescription + " s-jets", theNBins, theLowerBound, theUpperBound));
      theHisto_g = (prov.book1D(
          theBaseNameTitle + "G", theBaseNameDescription + " g-jets", theNBins, theLowerBound, theUpperBound));
      theHisto_dus = (prov.book1D(
          theBaseNameTitle + "DUS", theBaseNameDescription + " dus-jets", theNBins, theLowerBound, theUpperBound));
    } else {
      theHisto_d = nullptr;
      theHisto_u = nullptr;
      theHisto_s = nullptr;
      theHisto_g = nullptr;
      theHisto_dus = nullptr;
    }
    theHisto_c = (prov.book1D(
        theBaseNameTitle + "C", theBaseNameDescription + " c-jets", theNBins, theLowerBound, theUpperBound));
    theHisto_b = (prov.book1D(
        theBaseNameTitle + "B", theBaseNameDescription + " b-jets", theNBins, theLowerBound, theUpperBound));
    theHisto_ni = (prov.book1D(
        theBaseNameTitle + "NI", theBaseNameDescription + " ni-jets", theNBins, theLowerBound, theUpperBound));
    theHisto_dusg = (prov.book1D(
        theBaseNameTitle + "DUSG", theBaseNameDescription + " dusg-jets", theNBins, theLowerBound, theUpperBound));
    theHisto_pu = (prov.book1D(
        theBaseNameTitle + "PU", theBaseNameDescription + " pu-jets", theNBins, theLowerBound, theUpperBound));
  } else {
    theHisto_d = nullptr;
    theHisto_u = nullptr;
    theHisto_s = nullptr;
    theHisto_c = nullptr;
    theHisto_b = nullptr;
    theHisto_g = nullptr;
    theHisto_ni = nullptr;
    theHisto_dus = nullptr;
    theHisto_dusg = nullptr;
    theHisto_pu = nullptr;
  }

  // statistics if requested
  if (theStatistics) {
    if (theHisto_all)
      theHisto_all->enableSumw2();
    if (mcPlots_) {
      if (mcPlots_ > 2) {
        theHisto_d->enableSumw2();
        theHisto_u->enableSumw2();
        theHisto_s->enableSumw2();
        theHisto_g->enableSumw2();
        theHisto_dus->enableSumw2();
      }
      theHisto_c->enableSumw2();
      theHisto_b->enableSumw2();
      theHisto_ni->enableSumw2();
      theHisto_dusg->enableSumw2();
      theHisto_pu->enableSumw2();
    }
  }
  // defaults for other data members
  theCanvas = nullptr;
}

template <class T>
FlavourHistograms<T>::~FlavourHistograms() {
  // delete the canvas*/
  delete theCanvas;
}

// fill entry
template <class T>
void FlavourHistograms<T>::fill(const int& flavour, const T& variable) const {
  // For single variables and arrays (for arrays only a single index can be filled)
  fillVariable(flavour, variable, 1.);
}

template <class T>
void FlavourHistograms<T>::fill(const int& flavour, const T& variable, const T& w) const {
  // For single variables and arrays (for arrays only a single index can be filled)
  fillVariable(flavour, variable, w);
}

template <class T>
void FlavourHistograms<T>::fill(const int& flavour, const T* variable) const {
  if (theArrayDimension == nullptr) {
    // single variable
    fillVariable(flavour, *variable, 1.);
  } else {
    // array
    int iMax = (*theArrayDimension > theMaxDimension) ? theMaxDimension : *theArrayDimension;
    //
    for (int i = 0; i != iMax; ++i) {
      // check if only one index to be plotted (<0: switched off -> plot all)
      if ((theIndexToPlot < 0) || (i == theIndexToPlot)) {
        fillVariable(flavour, *(variable + i), 1.);
      }
    }

    // if single index to be filled but not enough entries: fill 0.0 (convention!)
    if (theIndexToPlot >= iMax) {
      // cout << "==>> The index to be filled is too big -> fill 0.0 : " << theBaseNameTitle << " : " << theIndexToPlot << " >= " << iMax << endl ;
      const T& theZero = static_cast<T>(0.0);
      fillVariable(flavour, theZero, 1.);
    }
  }
}

template <class T>
void FlavourHistograms<T>::settitle(const char* title) {
  if (theHisto_all)
    theHisto_all->setAxisTitle(title);
  if (mcPlots_) {
    if (mcPlots_ > 2) {
      theHisto_d->setAxisTitle(title);
      theHisto_u->setAxisTitle(title);
      theHisto_s->setAxisTitle(title);
      theHisto_g->setAxisTitle(title);
      theHisto_dus->setAxisTitle(title);
    }
    theHisto_c->setAxisTitle(title);
    theHisto_b->setAxisTitle(title);
    theHisto_ni->setAxisTitle(title);
    theHisto_dusg->setAxisTitle(title);
    theHisto_pu->setAxisTitle(title);
  }
}

template <class T>
void FlavourHistograms<T>::plot(TPad* theCanvas /* = 0 */) {
  //fixme:
  bool btppNI = false;
  bool btppColour = true;

  if (theCanvas)
    theCanvas->cd();

  RecoBTag::setTDRStyle()->cd();
  gPad->UseCurrentStyle();
  //   if ( !btppTitle ) gStyle->SetOptTitle ( 0 ) ;
  //
  //   // here: plot histograms in a canvas
  //   theCanvas = new TCanvas ( "C" + theBaseNameTitle , "C" + theBaseNameDescription ,
  //                 btppXCanvas , btppYCanvas ) ;
  //   theCanvas->SetFillColor ( 0 ) ;
  //   theCanvas->cd  ( 1 ) ;
  gPad->SetLogy(0);
  if (thePlotLog)
    gPad->SetLogy(1);
  gPad->SetGridx(0);
  gPad->SetGridy(0);
  gPad->SetTitle(nullptr);

  MonitorElement* histo[4];
  int col[4], lineStyle[4], markerStyle[4];
  int lineWidth = 1;

  const double markerSize = gPad->GetWh() * gPad->GetHNDC() / 500.;

  // default (l)
  histo[0] = theHisto_dusg;
  //CW histo_1 = theHisto_dus ;
  histo[1] = theHisto_b;
  histo[2] = theHisto_c;
  histo[3] = nullptr;

  double max = theMax;
  if (theMax <= 0.) {
    max = theHisto_dusg->getTH1F()->GetMaximum();
    if (theHisto_b->getTH1F()->GetMaximum() > max)
      max = theHisto_b->getTH1F()->GetMaximum();
    if (theHisto_c->getTH1F()->GetMaximum() > max)
      max = theHisto_c->getTH1F()->GetMaximum();
  }

  if (btppNI) {
    histo[3] = theHisto_ni;
    if (theHisto_ni->getTH1F()->GetMaximum() > max)
      max = theHisto_ni->getTH1F()->GetMaximum();
  }

  if (btppColour) {  // print colours
    col[0] = 4;
    col[1] = 2;
    col[2] = 6;
    col[3] = 3;
    lineStyle[0] = 1;
    lineStyle[1] = 1;
    lineStyle[2] = 1;
    lineStyle[3] = 1;
    markerStyle[0] = 20;
    markerStyle[1] = 21;
    markerStyle[2] = 22;
    markerStyle[3] = 23;
    lineWidth = 1;
  } else {  // different marker/line styles
    col[1] = 1;
    col[2] = 1;
    col[3] = 1;
    col[0] = 1;
    lineStyle[0] = 2;
    lineStyle[1] = 1;
    lineStyle[2] = 3;
    lineStyle[3] = 4;
    markerStyle[0] = 20;
    markerStyle[1] = 21;
    markerStyle[2] = 22;
    markerStyle[3] = 23;
  }

  // if changing order (NI stays always last)

  // c to plot first
  if (thePlotFirst == "c") {
    histo[0] = theHisto_c;
    if (btppColour)
      col[0] = 6;
    if (!btppColour)
      lineStyle[0] = 3;
    histo[2] = theHisto_dusg;
    if (btppColour)
      col[2] = 4;
    if (!btppColour)
      lineStyle[2] = 2;
  }

  // b to plot first
  if (thePlotFirst == "b") {
    histo[0] = theHisto_b;
    if (btppColour)
      col[0] = 2;
    if (!btppColour)
      lineStyle[0] = 1;
    histo[1] = theHisto_dusg;
    if (btppColour)
      col[1] = 4;
    if (!btppColour)
      lineStyle[1] = 2;
  }

  histo[0]->setAxisTitle(theBaseNameDescription);
  histo[0]->getTH1F()->GetYaxis()->SetTitle("Arbitrary Units");
  histo[0]->getTH1F()->GetYaxis()->SetTitleOffset(1.25);

  for (int i = 0; i != 4; ++i) {
    if (histo[i] == nullptr)
      continue;
    histo[i]->getTH1F()->SetStats(false);
    histo[i]->getTH1F()->SetLineStyle(lineStyle[i]);
    histo[i]->getTH1F()->SetLineWidth(lineWidth);
    histo[i]->getTH1F()->SetLineColor(col[i]);
    histo[i]->getTH1F()->SetMarkerStyle(markerStyle[i]);
    histo[i]->getTH1F()->SetMarkerColor(col[i]);
    histo[i]->getTH1F()->SetMarkerSize(markerSize);
  }

  if (thePlotNormalized) {
    if (histo[0]->getTH1F()->GetEntries() != 0) {
      histo[0]->getTH1F()->DrawNormalized();
    } else {
      histo[0]->getTH1F()->SetMaximum(1.0);
      histo[0]->getTH1F()->Draw();
    }
    if (histo[1]->getTH1F()->GetEntries() != 0)
      histo[1]->getTH1F()->DrawNormalized("Same");
    if (histo[2]->getTH1F()->GetEntries() != 0)
      histo[2]->getTH1F()->DrawNormalized("Same");
    if ((histo[3] != nullptr) && (histo[3]->getTH1F()->GetEntries() != 0))
      histo[3]->getTH1F()->DrawNormalized("Same");
  } else {
    histo[0]->getTH1F()->SetMaximum(max * 1.05);
    if (theMin != -1.)
      histo[0]->getTH1F()->SetMinimum(theMin);
    histo[0]->getTH1F()->Draw();
    histo[1]->getTH1F()->Draw("Same");
    histo[2]->getTH1F()->Draw("Same");
    if (histo[3] != nullptr)
      histo[3]->getTH1F()->Draw("Same");
  }
}

template <class T>
void FlavourHistograms<T>::epsPlot(const std::string& name) {
  TCanvas tc(theBaseNameTitle.c_str(), theBaseNameDescription.c_str());

  plot(&tc);
  tc.Print((name + theBaseNameTitle + ".eps").c_str());
}

template <class T>
double FlavourHistograms<T>::ClopperPearsonUnc(double num, double den) {
  double effVal = num / den;
  double errLo = TEfficiency::ClopperPearson(static_cast<int>(den), static_cast<int>(num), 0.683, false);
  double errUp = TEfficiency::ClopperPearson(static_cast<int>(den), static_cast<int>(num), 0.683, true);
  return std::max(effVal - errLo, errUp - effVal);
}

template <class T>
void FlavourHistograms<T>::ComputeEfficiency(TH1F* num, TH1F* den, int bin) {
  double effVal = 1.;
  double errVal = 0.;
  double numVal = num->GetBinContent(bin);
  double denVal = den->GetBinContent(bin);
  if (denVal > 0 && numVal <= denVal) {
    effVal = numVal / denVal;
    errVal = ClopperPearsonUnc(numVal, denVal);
  }
  num->SetBinContent(bin, effVal);
  num->SetBinError(bin, errVal);
}

template <class T>
void FlavourHistograms<T>::divide(const FlavourHistograms<T>& bHD) {
  for (int bin = 0; bin < theNBins + 2; bin++) {
    if (theHisto_all)
      ComputeEfficiency(theHisto_all->getTH1F(), bHD.histo_all(), bin);
    if (mcPlots_) {
      if (mcPlots_ > 2) {
        ComputeEfficiency(theHisto_d->getTH1F(), bHD.histo_d(), bin);
        ComputeEfficiency(theHisto_u->getTH1F(), bHD.histo_u(), bin);
        ComputeEfficiency(theHisto_s->getTH1F(), bHD.histo_s(), bin);
        ComputeEfficiency(theHisto_g->getTH1F(), bHD.histo_g(), bin);
        ComputeEfficiency(theHisto_dus->getTH1F(), bHD.histo_dus(), bin);
      }
      ComputeEfficiency(theHisto_c->getTH1F(), bHD.histo_c(), bin);
      ComputeEfficiency(theHisto_b->getTH1F(), bHD.histo_b(), bin);
      ComputeEfficiency(theHisto_ni->getTH1F(), bHD.histo_ni(), bin);
      ComputeEfficiency(theHisto_dusg->getTH1F(), bHD.histo_dusg(), bin);
      ComputeEfficiency(theHisto_pu->getTH1F(), bHD.histo_pu(), bin);
    }
  }
}

template <class T>
void FlavourHistograms<T>::setEfficiencyFlag() {
  if (theHisto_all)
    theHisto_all->setEfficiencyFlag();
  if (mcPlots_) {
    if (mcPlots_ > 2) {
      theHisto_d->setEfficiencyFlag();
      theHisto_u->setEfficiencyFlag();
      theHisto_s->setEfficiencyFlag();
      theHisto_g->setEfficiencyFlag();
      theHisto_dus->setEfficiencyFlag();
    }
    theHisto_c->setEfficiencyFlag();
    theHisto_b->setEfficiencyFlag();
    theHisto_ni->setEfficiencyFlag();
    theHisto_dusg->setEfficiencyFlag();
    theHisto_pu->setEfficiencyFlag();
  }
}

template <class T>
void FlavourHistograms<T>::fillVariable(const int& flavour, const T& var, const T& w) const {
  // all, except for the Jet Multiplicity which is not filled for each jets but for each events
  if ((theBaseNameDescription != "Jet Multiplicity" || flavour == -1) && theHisto_all)
    theHisto_all->Fill(var, w);

  // flavour specific
  if (!mcPlots_ || (theBaseNameDescription == "Jet Multiplicity" && flavour == -1))
    return;

  switch (std::abs(flavour)) {
    case 1:
      if (mcPlots_ > 2) {
        theHisto_d->Fill(var, w);
        if (theBaseNameDescription != "Jet Multiplicity")
          theHisto_dus->Fill(var, w);
      }
      if (theBaseNameDescription != "Jet Multiplicity")
        theHisto_dusg->Fill(var, w);
      return;
    case 2:
      if (mcPlots_ > 2) {
        theHisto_u->Fill(var, w);
        if (theBaseNameDescription != "Jet Multiplicity")
          theHisto_dus->Fill(var, w);
      }
      if (theBaseNameDescription != "Jet Multiplicity")
        theHisto_dusg->Fill(var, w);
      return;
    case 3:
      if (mcPlots_ > 2) {
        theHisto_s->Fill(var, w);
        if (theBaseNameDescription != "Jet Multiplicity")
          theHisto_dus->Fill(var, w);
      }
      if (theBaseNameDescription != "Jet Multiplicity")
        theHisto_dusg->Fill(var, w);
      return;
    case 4:
      theHisto_c->Fill(var, w);
      return;
    case 5:
      theHisto_b->Fill(var, w);
      return;
    case 21:
      if (mcPlots_ > 2)
        theHisto_g->Fill(var, w);
      if (theBaseNameDescription != "Jet Multiplicity")
        theHisto_dusg->Fill(var, w);
      return;
    case 123:
      if (mcPlots_ > 2 && theBaseNameDescription == "Jet Multiplicity")
        theHisto_dus->Fill(var, w);
      return;
    case 12321:
      if (theBaseNameDescription == "Jet Multiplicity")
        theHisto_dusg->Fill(var, w);
      return;
    case 20:
      theHisto_pu->Fill(var, w);
      return;
    default:
      theHisto_ni->Fill(var, w);
      return;
  }
}

template <class T>
std::vector<TH1F*> FlavourHistograms<T>::getHistoVector() const {
  std::vector<TH1F*> histoVector;
  if (theHisto_all)
    histoVector.push_back(theHisto_all->getTH1F());
  if (mcPlots_) {
    if (mcPlots_ > 2) {
      histoVector.push_back(theHisto_d->getTH1F());
      histoVector.push_back(theHisto_u->getTH1F());
      histoVector.push_back(theHisto_s->getTH1F());
      histoVector.push_back(theHisto_g->getTH1F());
      histoVector.push_back(theHisto_dus->getTH1F());
    }
    histoVector.push_back(theHisto_c->getTH1F());
    histoVector.push_back(theHisto_b->getTH1F());
    histoVector.push_back(theHisto_ni->getTH1F());
    histoVector.push_back(theHisto_dusg->getTH1F());
    histoVector.push_back(theHisto_pu->getTH1F());
  }
  return histoVector;
}
#endif