CaloCellEnergyCorr2Ntuple.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "CaloCellEnergyCorr2Ntuple.h"
#include "CaloIdentifier/CaloGain.h"
#include "CaloEvent/CaloCell.h"
#include "Identifier/Identifier.h"
#include "xAODEventInfo/EventInfo.h"
#include "AthenaPoolUtilities/AthenaAttributeList.h"
#include "CaloCondBlobObjs/CaloCondBlobFlt.h"
 
#include "CoolKernel/types.h"
#include "CoolKernel/Record.h"
#include "CoralBase/AttributeListSpecification.h"
 
 
//Constructor
CaloCellEnergyCorr2Ntuple::CaloCellEnergyCorr2Ntuple(const std::string& name, ISvcLocator* pSvcLocator):
  AthAlgorithm(name,pSvcLocator),
  m_calo_id(nullptr),
  m_Hash(0),
  m_OffId(0),
  m_eta(0),
  m_phi(0),
  m_layer(0),
  m_detector(0),
  m_corr(0),
  m_tree(nullptr)
{
}
 
//__________________________________________________________________________
//Destructor
CaloCellEnergyCorr2Ntuple::~CaloCellEnergyCorr2Ntuple()
{
}
//__________________________________________________________________________
StatusCode CaloCellEnergyCorr2Ntuple::initialize()
{
  ATH_MSG_DEBUG ("CaloCellEnergyCorr2Ntuple initialize()" );
 
  ATH_CHECK(m_thistSvc.retrieve());
 
  const CaloIdManager* mgr = nullptr;
  ATH_CHECK( detStore()->retrieve( mgr ) );
  m_calo_id      = mgr->getCaloCell_ID();
 
  ATH_CHECK(m_caloMgrKey.initialize());
  ATH_CHECK(m_attrListCollKey.initialize());
 
  m_tree = new TTree("mytree","Calo Noise ntuple");
  m_tree->Branch("iHash",&m_Hash,"iHash/I");
  m_tree->Branch("iOffId",&m_OffId,"iOffId/I");
  m_tree->Branch("eta",&m_eta,"eta/F");
  m_tree->Branch("phi",&m_phi,"phi/F");
  m_tree->Branch("layer",&m_layer,"layer/I");
  m_tree->Branch("detector",&m_detector,"detector/I");
  m_tree->Branch("ECorr",&m_corr,"ECorr/F");
  ATH_CHECK( m_thistSvc->regTree("/file1/mytree",m_tree) );
 
  ATH_MSG_INFO ( " end of CaloCellEnergyCorr2Ntuple::initialize " );
  return StatusCode::SUCCESS; 
 
}
//__________________________________________________________________________
StatusCode CaloCellEnergyCorr2Ntuple::execute(const EventContext& /*ctx*/)
{
  ATH_MSG_DEBUG ("CaloCellEnergyCorr2Ntuple execute()" );
 
  return StatusCode::SUCCESS; 
}
 
//__________________________________________________________________________
StatusCode CaloCellEnergyCorr2Ntuple::stop()
{
  SG::ReadCondHandle<AthenaAttributeList> attrListColl (m_attrListCollKey);
  const coral::Blob& blob=(**attrListColl)["CaloCondBlob16M"].data<coral::Blob>();
  std::unique_ptr<const CaloCondBlobFlt> flt (CaloCondBlobFlt::getInstance(blob));
 
  int nobj=flt->getNObjs();
  int nchan=flt->getNChans();
  ATH_MSG_INFO ( "NObjs: "<<nobj<<" nChans: "<<nchan<<" nGains: "<<flt->getNGains() );
 
  SG::ReadCondHandle<CaloDetDescrManager> caloMgrHandle{m_caloMgrKey};
  ATH_CHECK(caloMgrHandle.isValid());
  const CaloDetDescrManager* calodetdescrmgr = *caloMgrHandle;
 
  int ncell=m_calo_id->calo_cell_hash_max();
  ATH_MSG_INFO ( " start loop over Calo cells " << ncell );
  for (int i=0;i<ncell;i++) {
       IdentifierHash idHash=i;
       Identifier id=m_calo_id->cell_id(idHash);
       const CaloDetDescrElement* calodde = calodetdescrmgr->get_element(id);
 
       m_Hash =  i;
       m_OffId = (int)(id.get_identifier32().get_compact());
 
       m_eta = calodde->eta_raw();
       m_phi = calodde->phi_raw();
       m_layer = m_calo_id->calo_sample(id);
       m_detector=-1;
       if (m_calo_id->is_em(id)) {
             if(m_calo_id->is_em_barrel(id)) {
                   m_detector=0;
             } else if(m_calo_id->is_em_endcap_outer(id)) {
                   m_detector=1;
             } else {
                   m_detector=2;
             }
       } else if (m_calo_id->is_hec(id)) {
             m_detector  = 3;
       } else if (m_calo_id->is_fcal(id)) {
             m_detector = 4;
       }
 
       if(m_Hash >= nchan) break;
       m_corr = flt->getData(m_Hash,0,0);
 
 
       m_tree->Fill();
 
  }        // loop over cells
 
  return StatusCode::SUCCESS;
 }