TrigEgammaMonitorElectronAlgorithm.cxx

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#include "TrigEgammaMonitorElectronAlgorithm.h"
#include "LArRecEvent/LArEventBitInfo.h"
#include "StoreGate/ReadDecorHandle.h"
#include "AthContainers/ConstAccessor.h"
 
using namespace Trig;
 
 
TrigEgammaMonitorElectronAlgorithm::TrigEgammaMonitorElectronAlgorithm( const std::string& name, ISvcLocator* pSvcLocator ):
  TrigEgammaMonitorAnalysisAlgorithm( name, pSvcLocator )
{}
 
TrigEgammaMonitorElectronAlgorithm::~TrigEgammaMonitorElectronAlgorithm()
{}
 
 
 
StatusCode TrigEgammaMonitorElectronAlgorithm::initialize() 
{
  ATH_CHECK(TrigEgammaMonitorAnalysisAlgorithm::initialize());
 
  ATH_CHECK(m_offElectronKey.initialize());
  ATH_CHECK(m_electronIsolationKeyPtCone20.initialize());
  ATH_CHECK( m_eventInfoDecorKey.initialize() );
  
  for(auto& trigName : m_trigInputList)
  {
    if(getTrigInfoMap().count(trigName) != 0){
      ATH_MSG_DEBUG("Trigger already booked, removing from trigger list " << trigName);
    }else {
      m_trigList.push_back(trigName);
      setTrigInfo(trigName);
    }
  }
  
 
  return StatusCode::SUCCESS;
}
 
 
 
StatusCode TrigEgammaMonitorElectronAlgorithm::fillHistograms( const EventContext& ctx ) const  
{
 
    ATH_MSG_DEBUG("Executing TrigEgammaMonitorElectronAlgorithm");
 
    if(isHLTTruncated()){
        ATH_MSG_DEBUG("HLTResult truncated, skip trigger analysis");
        return StatusCode::SUCCESS; 
    }
 
    // Noise burst protection 
    SG::ReadHandle<xAOD::EventInfo> thisEvent(GetEventInfo(ctx));
    ATH_CHECK(thisEvent.isValid());
    if ( thisEvent->isEventFlagBitSet(xAOD::EventInfo::LAr,LArEventBitInfo::NOISEBURSTVETO)) {
        ATH_MSG_DEBUG("LAr Noise Burst Veto, skip trigger analysis");
        return StatusCode::SUCCESS;
    }
    
    ATH_MSG_DEBUG("Chains for Analysis " << m_trigList);
 
    for(const auto& trigger : m_trigList){
        
        const TrigInfo info = getTrigInfo(trigger);
        
        ATH_MSG_DEBUG("Start Chain Analysis ============================= " << trigger << " " << info.trigger);
 
        std::vector< std::pair<std::shared_ptr<const xAOD::Egamma>, const TrigCompositeUtils::Decision*>> pairObjs;
        if ( executeNavigation( ctx, info.trigger,info.etthr,info.pidname, pairObjs).isFailure() ) 
        {
            ATH_MSG_DEBUG("executeNavigation Fails");
            return StatusCode::SUCCESS;
        }
 
        std::vector< std::pair<const xAOD::Egamma*, const TrigCompositeUtils::Decision*>> pairObjsRaw;
        pairObjsRaw.reserve(pairObjs.size());
        for (const auto& itr : pairObjs) {
          pairObjsRaw.emplace_back(itr.first.get(), itr.second);
        }
 
 
        fillDistributions( pairObjsRaw, info );
        fillEfficiencies( pairObjsRaw, info, false);
        fillResolutions( pairObjsRaw, info );
 
        ATH_MSG_DEBUG("End Chain Analysis ============================= " << trigger);
    } // End loop over trigger list
 
 
    return StatusCode::SUCCESS;
}
 
 
 
 
 
 
 
StatusCode TrigEgammaMonitorElectronAlgorithm::executeNavigation( const EventContext& ctx, 
                                                             const std::string& trigItem,
                                                             float etthr,
                                                             const std::string& pidName,
                                                             std::vector<std::pair<std::shared_ptr<const xAOD::Egamma>, const TrigCompositeUtils::Decision* >> &pairObjs) const
{
 
  ATH_MSG_DEBUG("Apply navigation selection "); 
 
  SG::ReadHandle<xAOD::ElectronContainer> offElectrons(m_offElectronKey, ctx);
 
  if(!offElectrons.isValid())
  {
    ATH_MSG_DEBUG("Failed to retrieve offline Electrons ");
      return StatusCode::FAILURE;
  }
 
 
  const std::string decorName="is"+pidName;
  for(const auto *const eg : *offElectrons ){
 
      const TrigCompositeUtils::Decision *dec=nullptr; 
 
      if(!eg->trackParticle()){
          ATH_MSG_DEBUG("No track Particle");
          continue;
      }
      if(!eg->caloCluster()){
          ATH_MSG_DEBUG("No caloCluster");
          continue;
      }
 
      if(m_forceEtThr){
        if( !( getEt(eg)  > (etthr-5.)*1.e3) ) continue;
      }
 
      if(m_rmCrack){
        if ( (fabs(eg->eta())>1.37 && fabs(eg->eta())<1.52) || fabs(eg->eta())>2.47 )  continue; 
      }
 
      if(m_forcePidSelection){
        if(!ApplyElectronPid(eg,pidName)){
            ATH_MSG_DEBUG("Fails ElectronID "<< pidName);
            continue;
          }
          ATH_MSG_DEBUG("Passes ElectronID "<< pidName);
      }
 
      if (m_forceProbeIsolation) {
        if (!isIsolated(eg, m_offProbeIsolation))  continue;
      }
 
      if(m_forceVetoVeryLoose){
        bool veto = ApplyElectronPid(eg,"lhvloose"); 
        if(veto)  continue;
      }
 
      const auto el = std::make_shared<const xAOD::Electron>(*eg);
      SG::Decorator<bool> decor (decorName);
      decor(*el)=static_cast<bool>(true);
 
      match()->match(el.get(), trigItem, dec, TrigDefs::includeFailedDecisions);
      //match()->match(el, trigItem, dec);
      pairObjs.emplace_back(el, dec);
 
  }
 
  ATH_MSG_DEBUG("BaseToolMT::Electron TEs " << pairObjs.size() << " found.");
  return StatusCode::SUCCESS;
}