MonitoringFile_BJetTaggingPostProcess.cxx

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/*
   Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
 */
 
/* Methods to perform post-processing on run_nnnnnn/HLT/JetMon* histograms
 * Mainly to adjust the impact parameter ranges according to the recorded lumi blocks.
 * This file does a check of existing input and the calls the actual adjustment.
 *
 *
 *
 *
 * ####################
 *   #Notes on debugLevel#
 *   ####################
 * - At all debugLevels > 0 errors will be displayed
 * - At debugLevels > 1 hints to the process flow will be shown
 * ####################
 *
 *
 *
 *
 *
 * Author   : Manuel Neumann (mneumann@cern.ch)
 * Date     : Aug 2011
 *
 * Based on the code of:
 * Methods to perform post-processing on run_nnnnnn/HLT/METMon* histograms
 * Author   : Venkatesh Kaushik (venkat.kaushik@cern.ch)
 * Date     : Feb 2010
 */
 
#include "DataQualityUtils/MonitoringFile.h"
 
#include "TFile.h"
 
namespace dqutils
{
  void
  MonitoringFile::BJetTaggingPostProcess(const std::string& inFilename, bool isIncremental) {
    if (isIncremental == true) {
      return;
    }
 
    int debugLevel = MonitoringFile::getDebugLevel();
    if (debugLevel > 1) {
      std::cout << "--> JetTaggingPostProcess: Begin JetTagging 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 << "--> BJetTaggingPostProcess: Input file not opened" << std::endl;
      return;
    }
 
    if (f->IsZombie()) {
      std::cerr << "--> BJetTaggingPostProcess: Input file " << inFilename
                << " cannot be opened. " << std::endl;
      return;
    }
 
    //check file size is not too small.
    if (f->GetSize() < 1000.) {
      std::cerr << "--> BJetTaggingPostProcess: Input file empty" << std::endl;
      f->Close();
      return;
    }
 
    //start postprocessing
 
    //here impact parameter histograms get a range in which they are actually filled
    BJetTaggingAdjustRanges(f);
 
    //this will normalise some 2D histograms to the track/jet number
    BJetTaggingNormalise(f);
 
    //close root file
    f->Close();
    //delete f;
 
    if (debugLevel > 1) {
      std::cout << "--> BJetTaggingPostProcess: End JetTagging post-processing " << std::endl;
    }
    return;
  }
}//namespace