MuonME0DigisHarvestor.cc

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// system include files
#include <memory>

// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "TGraphAsymmErrors.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Utilities/interface/InputTag.h"

#include "Geometry/Records/interface/MuonGeometryRecord.h"
#include "Geometry/CommonDetUnit/interface/GeomDet.h"

#include "Geometry/GEMGeometry/interface/ME0Geometry.h"
#include "Geometry/GEMGeometry/interface/ME0EtaPartition.h"
#include "Geometry/GEMGeometry/interface/ME0EtaPartitionSpecs.h"
#include "Geometry/CommonTopologies/interface/StripTopology.h"

#include "DQMServices/Core/interface/DQMStore.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ServiceRegistry/interface/Service.h"

#include "Validation/MuonME0Validation/plugins/MuonME0DigisHarvestor.h"


MuonME0DigisHarvestor::MuonME0DigisHarvestor(const edm::ParameterSet& ps)
{
  dbe_path_ = std::string("MuonME0DigisV/ME0DigisTask/");
}


MuonME0DigisHarvestor::~MuonME0DigisHarvestor()
{
}


TProfile* MuonME0DigisHarvestor::ComputeEff(TH1F* num, TH1F* denum, std::string nameHist)
{
  std::string name  = "eff_"+nameHist;
  std::string title = "Digi Efficiency"+std::string(num->GetTitle());
  TProfile * efficHist = new TProfile(name.c_str(), title.c_str(),denum->GetXaxis()->GetNbins(), denum->GetXaxis()->GetXmin(),denum->GetXaxis()->GetXmax());

  for (int i=1; i <= denum->GetNbinsX(); i++) {

    double nNum = num->GetBinContent(i);
    double nDenum = denum->GetBinContent(i);
    if ( nDenum == 0 || nNum ==0  ) {
      continue;
    }
    if ( nNum > nDenum ) {
      double temp = nDenum;
      nDenum = nNum;
      nNum = temp;
      edm::LogWarning("MuonME0DigisHarvestor")<<"Alert! specific bin's num is bigger than denum "<<i<<" "<<nNum<<" "<<nDenum;
    }
    const double effVal = nNum/nDenum;
    efficHist->SetBinContent(i, effVal);
    efficHist->SetBinEntries(i,1);
    efficHist->SetBinError(i,0);
    const double errLo = TEfficiency::ClopperPearson((int)nDenum,(int)nNum,0.683,false);
    const double errUp = TEfficiency::ClopperPearson((int)nDenum,(int)nNum,0.683,true);
    const double errVal = (effVal - errLo > errUp - effVal) ? effVal - errLo : errUp - effVal;
    efficHist->SetBinError(i, sqrt(effVal * effVal + errVal * errVal));
  }
  return efficHist;
}


void MuonME0DigisHarvestor::ProcessBooking( DQMStore::IBooker& ibooker, DQMStore::IGetter& ig, std::string nameHist, TH1F* num, TH1F* den )
{
    
  if( num !=nullptr && den !=nullptr ) {
      
    TProfile* profile = ComputeEff(num, den, nameHist);

    TString x_axis_title = TString(num->GetXaxis()->GetTitle());
    TString title  = TString::Format("Digi Efficiency;%s;Eff.",x_axis_title.Data());

    profile->SetTitle( title.Data());
    ibooker.bookProfile( profile->GetName(),profile);
      
    delete profile;
      
  }
  else {
      
    edm::LogWarning("MuonME0DigisHarvestor")<<"Can not find histograms";
    if ( num == nullptr) edm::LogWarning("MuonME0DigisHarvestor")<<"num not found";
    if ( den == nullptr) edm::LogWarning("MuonME0DigisHarvestor")<<"den not found";
      
  }
  return;
    
}


TH1F* MuonME0DigisHarvestor::ComputeBKG(TH1F* hist1, TH1F* hist2, std::string nameHist)
{
 
    std::string name = "rate_"+nameHist;
    hist1->SetName(name.c_str());
    for (int bin = 1; bin<=hist1->GetNbinsX();++bin){
        
        double R_min = hist1->GetBinCenter(bin) - 0.5 * hist1->GetBinWidth(bin);
        double R_max = hist1->GetBinCenter(bin) + 0.5 * hist1->GetBinWidth(bin);
        
        double Area = TMath::Pi() * ( R_max*R_max - R_min*R_min );
        hist1->SetBinContent(bin,(hist1->GetBinContent(bin))/Area);
        hist1->SetBinError(bin,(hist1->GetBinError(bin))/Area);
        
    }

    int nEvts = hist2->GetEntries();
    float scale = 6*2*nEvts*3*25e-9; //New redigitizer saves hits only in the BX range: [-1,+1], so the number of background hits has to be divided by 3
    hist1->Scale(1.0/scale);
    return hist1;
    
}


void MuonME0DigisHarvestor::ProcessBookingBKG( DQMStore::IBooker& ibooker, DQMStore::IGetter& ig, std::string nameHist, TH1F* hist1, TH1F* hist2 )
{
    
    if( hist1 !=nullptr && hist2 !=nullptr ) {

        TH1F* rate = ComputeBKG(hist1, hist2, nameHist);
        
        TString x_axis_title = TString(hist1->GetXaxis()->GetTitle());
        TString origTitle = TString(hist1->GetTitle());
        TString title  = TString::Format((origTitle+";%s;Rate [Hz/cm^{2}]").Data(),x_axis_title.Data());
        
        rate->SetTitle( title.Data() );
        ibooker.book1D( rate->GetName(),rate );

    }
    else {
        
        edm::LogWarning("MuonME0DigisHarvestor")<<"Can not find histograms";
        if ( hist1 == nullptr ) edm::LogWarning("MuonME0DigisHarvestor")<<"num not found";
        if ( hist2 == nullptr ) edm::LogWarning("MuonME0DigisHarvestor")<<"den not found";
        
    }
    return;
    
}


void 
MuonME0DigisHarvestor::dqmEndJob(DQMStore::IBooker& ibooker, DQMStore::IGetter& ig)
{
  ig.setCurrentFolder(dbe_path_.c_str());
 
  const char* l_suffix[6] = {"_l1","_l2","_l3","_l4","_l5","_l6"};
  const char* r_suffix[2] = {"-1","1"};
    
  TString eta_label_den_tot = TString(dbe_path_)+"me0_strip_dg_den_eta_tot";
  TString eta_label_num_tot = TString(dbe_path_)+"me0_strip_dg_num_eta_tot";
  if( ig.get(eta_label_num_tot.Data()) !=nullptr && ig.get(eta_label_den_tot.Data()) !=nullptr ) {
        
      TH1F* num_vs_eta_tot = (TH1F*)ig.get(eta_label_num_tot.Data())->getTH1F()->Clone();
      num_vs_eta_tot->Sumw2();
      TH1F *den_vs_eta_tot = (TH1F*)ig.get(eta_label_den_tot.Data())->getTH1F()->Clone();
      den_vs_eta_tot->Sumw2();
      
      ProcessBooking( ibooker, ig, "me0_strip_dg_eta_tot", num_vs_eta_tot, den_vs_eta_tot );
      
      delete num_vs_eta_tot;
      delete den_vs_eta_tot;
      
  }
  else edm::LogWarning("MuonME0DigisHarvestor")<<"Can not find histograms: "<<eta_label_num_tot<<" or "<<eta_label_den_tot;
  
  for( int i = 0 ; i < 2 ; i++) {
      
      for( int j = 0; j < 6 ; j++) {
          
          TString eta_label_den = TString(dbe_path_)+"me0_strip_dg_den_eta"+r_suffix[i]+l_suffix[j];
          TString eta_label_num = TString(dbe_path_)+"me0_strip_dg_num_eta"+r_suffix[i]+l_suffix[j];

          if( ig.get(eta_label_num.Data()) !=nullptr && ig.get(eta_label_den.Data()) !=nullptr) {
            
              TH1F* num_vs_eta = (TH1F*)ig.get(eta_label_num.Data())->getTH1F()->Clone();
              num_vs_eta->Sumw2();
              TH1F* den_vs_eta = (TH1F*)ig.get(eta_label_den.Data())->getTH1F()->Clone();
              den_vs_eta->Sumw2();
              
              std::string r_s = r_suffix[i];
              std::string l_s = l_suffix[j];
              std::string name = "me0_strip_dg_eta"+r_s+l_s;
              ProcessBooking( ibooker, ig, name, num_vs_eta, den_vs_eta );
              
              delete num_vs_eta;
              delete den_vs_eta;
            
          }
          else edm::LogWarning("MuonME0DigisHarvestor")<<"Can not find histograms: "<<eta_label_num<<" "<<eta_label_den;

      }

  }
    
  TString label_eleBkg = TString(dbe_path_)+"me0_strip_dg_bkgElePos_radius";
  TString label_neuBkg = TString(dbe_path_)+"me0_strip_dg_bkgNeutral_radius";
  TString label_totBkg = TString(dbe_path_)+"me0_strip_dg_bkg_radius_tot";
  TString label_evts = TString(dbe_path_)+"num_evts";
    
  if( ig.get(label_evts.Data()) !=nullptr ) {
    
      TH1F* numEvts = (TH1F*)ig.get(label_evts.Data())->getTH1F()->Clone();
    
      if( ig.get(label_eleBkg.Data()) !=nullptr ) {
      
          TH1F* eleBkg = (TH1F*)ig.get(label_eleBkg.Data())->getTH1F()->Clone();
          eleBkg->Sumw2();
          ProcessBookingBKG( ibooker, ig, "me0_strip_dg_elePosBkg_rad", eleBkg, numEvts);
          
          delete eleBkg;
    
      }
      if( ig.get(label_neuBkg.Data()) !=nullptr ) {
        
          TH1F* neuBkg = (TH1F*)ig.get(label_neuBkg.Data())->getTH1F()->Clone();
          neuBkg->Sumw2();
          ProcessBookingBKG( ibooker, ig, "me0_strip_dg_neuBkg_rad", neuBkg, numEvts);
          
          delete neuBkg;
      
      }
      if( ig.get(label_totBkg.Data()) !=nullptr ) {
        
          TH1F* totBkg = (TH1F*)ig.get(label_totBkg.Data())->getTH1F()->Clone();
          totBkg->Sumw2();
          ProcessBookingBKG( ibooker, ig, "me0_strip_dg_totBkg_rad", totBkg, numEvts);
          
          delete totBkg;

      }
      
      delete numEvts;
      
  }
    
}


//define this as a plug-in
DEFINE_FWK_MODULE(MuonME0DigisHarvestor);