MonitoringFile_PixelPostProcess.cxx

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/*
   Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
 */

//Methods to process Pixel histograms after merging.
//Author: Masaki ENDO (masaki.endo@cern.ch)
//Date: Aug 2012
 
#include "DataQualityUtils/MonitoringFile.h"
 
#include <iostream>
#include <iomanip>
#include <algorithm>
#include <fstream>
#include <cmath>
#include <cstdlib>
#include <sstream>
#include <vector>
#include <utility>
#include <map>
#include <string>
 
#include "TH1F.h"
#include "TH2F.h"
#include "TProfile.h"
#include "TFile.h"
#include "TClass.h"
#include "TKey.h"
#include "TMath.h"
#include "TF1.h"
#include "TTree.h"
#include "TBranch.h"
 
 
namespace dqutils {
  static const bool rno_debug = false;
 
  void
  MonitoringFile::PixelPostProcess(const std::string& inFilename, bool /* isIncremental */) {
    if (rno_debug) std::cout << "Start Pixel post-processing" << std::endl;
 
    TFile* infile = TFile::Open(inFilename.c_str(), "UPDATE");
    if (infile == 0 || !infile->IsOpen()) {
      std::cerr << "--> PixelPostProcess: Input file not opened" << std::endl;
      return;
    }
    if (infile->IsZombie()) {
      std::cerr << "--> PixelPostProcess: Input file " << inFilename << " cannot be opened" << std::endl;
      return;
    }
    if (infile->GetSize() < 1000) {
      std::cerr << "--> PixelPostProcess: Input file empty " << std::endl;
      return;
    }
 
    //start postprocessing
 
    TIter next_run(infile->GetListOfKeys());
    TKey* key_run(0);
    key_run = (TKey*) next_run();
    TDirectory* dir0 = dynamic_cast<TDirectory*> (key_run->ReadObj());
    if (!dir0) return; // should never fail
 
    dir0->cd();
 
    std::string run_dir;
    static constexpr int nlayer = 8;
    static const std::string layerName[nlayer] = {
        "IBL", "B0", "B1", "B2", "ECA", "ECC", "IBL2D", "IBL3D"
    };
    static const float npixel[nlayer] = {
        26880, 46080, 46080, 46080, 46080, 46080, 26880, 26880
      };
    static const float nmodule[nlayer] = {
        280., 286., 494., 676., 144., 144., 168., 112.
      };
    
    int times = 1;
    while (times--) {  // just once
      run_dir = dir0->GetName();
 
      std::string rno_dir = run_dir + "/Pixel/Hits/";
      TDirectory* dir = infile->GetDirectory(rno_dir.c_str());
      if (!dir) {
        std::cerr << "--> PixelPostProcess: directory " << rno_dir << " not found " << std::endl;
        return;
      }
 
      std::string clus_dir = run_dir + "/Pixel/Clusters/";
      TDirectory* clusdir = infile->GetDirectory(clus_dir.c_str());
      if (!clusdir) {
        std::cerr << "--> PixelPostProcess: directory " << clus_dir << " not found " << std::endl;
        return;
      }
 
      std::string err_dir = run_dir + "/Pixel/Errors/";
      TDirectory* errdir = infile->GetDirectory(err_dir.c_str());
      if (!errdir) {
        std::cerr << "--> PixelPostProcess: directory " << err_dir << " not found " << std::endl;
        return;
      }
 
      std::string status_dir = run_dir + "/Pixel/Status/";
      TDirectory* statusdir = infile->GetDirectory(status_dir.c_str());
      if (!statusdir) {
        std::cerr << "--> PixelPostProcess: directory " << status_dir << " not found " << std::endl;
        return;
      }
 
      std::string norm_histName = rno_dir + "num_hits";
      TH1F* h_norm = (TH1F*) infile->Get(norm_histName.c_str());
      if (!h_norm) {
        std::cerr << "--> PixelPostProcess: could not find normalisation histogram " << norm_histName << std::endl;
        return;
      }
 
      
      float nevents = h_norm->Integral(0, h_norm->GetNbinsX() + 1);
      
 
      const static int nerror = 5;
      //std::string errorName[nerror] = {"OpticalErrors_", "SEUErrors_", "SyncErrors_", "TimeoutErrors_", "TruncErrors_"};
      std::string errorName[nerror] = {
        "OpticalErrors_", "SEUErrors_", "SyncErrors_", "TimeoutErrors_", "TruncErrors_"
      };
 
      TH2F* h_occ[nlayer];
      TH2F* h_occ_new[nlayer];
      TH2F* h_clus[nlayer];
      TH2F* h_clus_new[nlayer];
      TH2F* h_err[nlayer][nerror];
      TH2F* h_err_new[nlayer][nerror];
      TH1F* h_disabled_per_lumi[nlayer];
      TH1F* h_syncerr_per_lumi[nlayer];
      TH1F* h_disabled_syncerr_per_lumi[nlayer];
 
      for (int i = 0; i < nlayer; i++) {
        h_occ[i] = 0;
        h_occ_new[i] = 0;
        h_clus[i] = 0;
        h_clus_new[i] = 0;
        h_disabled_per_lumi[i] = 0;
        h_syncerr_per_lumi[i] = 0;
        h_disabled_syncerr_per_lumi[i] = 0;


        std::string keyname = "Occupancy_";
        std::string histName = rno_dir + keyname + layerName[i];
        h_occ[i] = (TH2F*) infile->Get(histName.c_str());
        if (h_occ[i]) {
          std::string tmpname = keyname + layerName[i] + "_byPostProcess";
          h_occ_new[i] = (TH2F*) h_occ[i]->Clone(tmpname.c_str());
          h_occ_new[i]->Scale(1.0 / (nevents * npixel[i]));
        }
        dir->cd();
        if (h_occ_new[i]) h_occ_new[i]->Write();


        keyname = "Cluster_Occupancy_";
        histName = clus_dir + keyname + layerName[i];
        h_clus[i] = (TH2F*) infile->Get(histName.c_str());
        if (h_clus[i]) {
          std::string tmpname = keyname + layerName[i] + "_byPostProcess";
          h_clus_new[i] = (TH2F*) h_clus[i]->Clone(tmpname.c_str());
          h_clus_new[i]->Scale(1.0 / nevents);
        }
        clusdir->cd();
        if (h_clus_new[i]) h_clus_new[i]->Write();

 
        for (int j = 0; j < nerror; j++) {
          h_err[i][j] = 0;
          h_err_new[i][j] = 0;
          keyname = errorName[j];
          histName = err_dir + keyname + layerName[i];
          h_err[i][j] = (TH2F*) infile->Get(histName.c_str());
          if (h_err[i][j]) {
            std::string tmpname = keyname + layerName[i] + "_byPostProcess";
            h_err_new[i][j] = (TH2F*) h_err[i][j]->Clone(tmpname.c_str());
            h_err_new[i][j]->Scale(1.0 / nevents);
          }
          errdir->cd();
          if (h_err_new[i][j]) h_err_new[i][j]->Write();
        }

        keyname = "SyncErrorsFrac_per_event_";
        histName = err_dir + keyname + layerName[i];
        h_syncerr_per_lumi[i] = (TH1F*) infile->Get(histName.c_str());
        keyname = "DisabledModules_per_lumi_";
        histName = status_dir + keyname + layerName[i];
        h_disabled_per_lumi[i] = (TH1F*) infile->Get(histName.c_str());
        if (h_disabled_per_lumi[i] && h_syncerr_per_lumi[i]) {
          keyname = "DisabledAndSyncErrorsModules_per_lumi_";
          std::string tmpname = keyname + layerName[i] + "_byPostProcess";
          h_disabled_syncerr_per_lumi[i] = new TH1F(tmpname.c_str(),
                                                    "Disable and Sync error per module per event;Lumi block;Avg. fraction per event", 2500, 0,
                                                    2500);
          //h_disabled_syncerr_per_lumi[i]->Scale( 1.0/nmodule[i] );
          for (int ibin = 0; ibin < 2500 + 1; ibin++) {
            Double_t cont1 = h_disabled_per_lumi[i]->GetBinContent(ibin) / nmodule[i];
            Double_t err1 = h_disabled_per_lumi[i]->GetBinError(ibin) / nmodule[i];
            Double_t cont2 = h_syncerr_per_lumi[i]->GetBinContent(ibin);
            Double_t err2 = h_syncerr_per_lumi[i]->GetBinError(ibin);
            h_disabled_syncerr_per_lumi[i]->SetBinContent(ibin, cont1 + cont2);
            h_disabled_syncerr_per_lumi[i]->SetBinError(ibin, err1 + err2);
          }
        }
        errdir->cd();
        if (h_disabled_syncerr_per_lumi[i]) h_disabled_syncerr_per_lumi[i]->Write();
      }
 
 
      infile->Write();
    }//while
  }
}//namespace