MonitoringFile_HLTTauPostProcess.cxx

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/*
   Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
 */
 
// **********************************************************************
// HLT Tau post processing jobs
// 01/03/2011: update by ccuenca
// **********************************************************************
 
#include "DataQualityUtils/MonitoringFile.h"
 
#include <cmath>
#include <vector>
 
#include <TCanvas.h>
#include <TF1.h>
#include <TFile.h>
#include <TH1.h>
#include <TH2.h>
#include <TKey.h>
#include <TMath.h>
#include <TProfile.h>
 
namespace dqutils {
  //--------------------------------------------------------------------------------
  // main process
  //--------------------------------------------------------------------------------
  void MonitoringFile::HLTTauPostProcess(const std::string& inFilename, bool /* isIncremental */) {
    //std::cout << "--> HLTTauPostProcess: Begin HLT Tau post-processing" << std::endl;
 
    //open root file
    TFile* f = TFile::Open(inFilename.c_str(), "UPDATE");
 
    //check files are loaded.
    if (f == 0 || !f->IsOpen()) {
      //std::cerr << "--> HLTTauPostProcess: Input file not opened" << std::endl;
      delete f;
      return;
    }
 
    //zombie files?
    if (f->IsZombie()) {
      //std::cerr << "--> HLTTauPostProcess: Input file " << inFilename << " cannot be opened. " << std::endl;
      delete f;
      return;
    }
 
    //check file size is not too small.
    if (f->GetSize() < 1000.) {
      //std::cerr << "--> HLTTauPostProcess: Input file empty" << std::endl;
      f->Close();
      delete f;
      return;
    }
 
 
    //making sure we are in the right directory
    //   f->cd("/");
    //   f->pwd();
    //   f->ls();
 
    //build iterator
    TIter next_run(f->GetListOfKeys());
    TKey* key_run(0);
 
    //loop over keys in root directory
    while ((key_run = dynamic_cast<TKey*>(next_run())) != 0) {
      TObject* obj_run = key_run->ReadObj();
      TDirectory* tdir_run = dynamic_cast<TDirectory*>(obj_run);
 
      //check we have a valid pointer
      if (tdir_run == 0) {
        delete obj_run;
        continue;
      }
 
      //check name
      std::string runDirName(tdir_run->GetName());
      //std::cout<<"Run_directory: "<<runDirName<<std::endl;
 
      if (runDirName.find("run") == std::string::npos) {
        delete obj_run;
        continue;
      }
 
      //find tauMon dir
      std::string taumonDirName = runDirName + "/HLT/TauMon";
      TDirectory* taumonDir(0);
      if (!(taumonDir = f->GetDirectory(taumonDirName.c_str()))) {
        //std::cerr << "--> HLTTauPostProcess: directory " << taumonDirName << " not found." << std::endl;
        return;
      }
 
 
      std::vector<std::string> varName;
      varName.push_back("Et");
      varName.push_back("Eta");
      varName.push_back("Phi");
 
      std::vector<std::string> lvlName;
      lvlName.push_back("L1");
      lvlName.push_back("L2");
      lvlName.push_back("EF");
 
      std::vector< std::pair< int, int > > ratioIndex;
      ratioIndex.push_back(std::make_pair(2, 0)); // EF vs L1
      ratioIndex.push_back(std::make_pair(1, 0)); // L2 vs L1
      ratioIndex.push_back(std::make_pair(2, 1)); // EF vs L2
 
 
 
      std::vector<std::string> varName0;
      varName0.push_back("Pt");
      varName0.push_back("Eta");
      varName0.push_back("Phi");
      varName0.push_back("Nvtx");
 
      std::vector<std::string> lvlNameO;
      lvlNameO.push_back("L1");
      lvlNameO.push_back("L2");
      lvlNameO.push_back("EF");
      lvlNameO.push_back("");//offline
 
      std::vector< std::pair< int, int > > ratioIndexO;
      ratioIndexO.push_back(std::make_pair(0, 3)); // L1 vs off
      ratioIndexO.push_back(std::make_pair(1, 3)); // L2 vs off
      ratioIndexO.push_back(std::make_pair(2, 3)); // EF vs off
 
 
      //loop over directories
      TIter next_trig(taumonDir->GetListOfKeys());
      TKey* key_trig(0);
      while ((key_trig = dynamic_cast<TKey*>(next_trig())) != 0) {
        TObject* obj_trig = key_trig->ReadObj();
        TDirectory* dir_trig = dynamic_cast<TDirectory*>(obj_trig);
        if (!dir_trig) continue;
        //std::cout<<"--> HLTTauPostProcess: calling functions for " <<  dir_trig->GetName() << endl;
        // "<<runDirName<<" and trigger item="<<dir_trig->GetName()<<endl;
 
        HLTTauPostProcess(f, dir_trig, "/RelativeEfficiency", "/RelativeEfficiency/Efficiency",
                          lvlName, varName, ratioIndex, 1);//name style : 1 (relative eff)
        HLTTauPostProcess(f, dir_trig, "/OfflineRatio", "/OfflineRatio/Ratio",
                          lvlNameO, varName0, ratioIndexO, 2);//name style : 2 (offline eff)
        HLTTauPostProcess(f, dir_trig, "/OfflineRatio/BDTMedium", "/OfflineRatio/Ratio/BDTMedium",
                          lvlNameO, varName0, ratioIndexO, 2, "BDTMedium");//name style : 2 (offline eff)
      }
    }
 
    f->Close();
    delete f;
  }
 
  void MonitoringFile::HLTTauPostProcess(TFile* f, TDirectory* dir,
                                         const std::string& pathApp,
                                         const std::string& pathAppEff,
                                         const std::vector<std::string>& lvlN,
                                         const std::vector<std::string>& varN,
                                         const std::vector< std::pair< int, int > >& ratioIndex, int nameStyle,
                                         const std::string& nameApp) {
    std::string path = getPath(dir);
 
 
 
    std::string basePath = path + pathApp + "/";
    if (f->cd(basePath.c_str()) == 0) {
      return;
    }
 
    //coverity[STACK_USE]
    TH1F* hRoI[100][100];
    for (unsigned int iLvl = 0; iLvl < lvlN.size(); iLvl++) {
      for (unsigned int iVar = 0; iVar < varN.size(); iVar++) {
        std::string hName;
        if (nameStyle == 1) hName = basePath + "h" + lvlN[iLvl] + "RoI" + varN[iVar] + (iLvl == 0 ? "Denom" : "Num") + nameApp;
        if (nameStyle == 2) hName = basePath + "hTau" + varN[iVar] + lvlN[iLvl] + nameApp;
        if (!CheckHistogram(f, hName.c_str())) {
          return;
        }
        hRoI[iLvl][iVar] = (TH1F*) (f->Get(hName.c_str()))->Clone();
      }
    }
 
 
    basePath += path + pathAppEff + "/";
    f->cd(basePath.c_str());
    for (unsigned int iVar = 0; iVar < varN.size(); iVar++) {
      for (unsigned int iRatio = 0; iRatio < ratioIndex.size(); iRatio++) {
        std::string hName;
        if (nameStyle == 1)
          hName = basePath + "h" +
                  lvlN[ ratioIndex[ iRatio ].first ] + "vs" + lvlN[ ratioIndex[ iRatio ].second ] +
                  varN[iVar] + "Efficiency" + nameApp;
 
        if (nameStyle == 2)
          hName = basePath + "h" +
                  lvlN[ ratioIndex[ iRatio ].first ] + "OfflineRatio" +
                  varN[iVar] + nameApp;
 
        if (!CheckHistogram(f, hName.c_str())) return;
 
        TH1F* hEff = (TH1F*) (f->Get(hName.c_str()));
        hEff->Divide(hRoI[ ratioIndex[ iRatio ].first  ][iVar],
                     hRoI[ ratioIndex[ iRatio ].second ][iVar],
                     1.0, 1.0, "b");
 
        hEff->Write("", TObject::kOverwrite);
      }
    }
 
    f->Write();
  }
}