CaloHECRetriever.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "CaloHECRetriever.h"
 
#include "AthenaKernel/Units.h"
 
#include "EventContainers/SelectAllObject.h"
 
#include "CaloDetDescr/CaloDetDescrElement.h"
#include "LArElecCalib/ILArPedestal.h"
#include "LArRawEvent/LArDigitContainer.h"
#include "LArIdentifier/LArOnlineID.h"
#include "LArRawEvent/LArRawChannel.h"
#include "LArRawEvent/LArRawChannelContainer.h"
#include "Identifier/HWIdentifier.h"
#include "StoreGate/ReadCondHandle.h"
#include "GaudiKernel/ThreadLocalContext.h"
 
using Athena::Units::GeV;
 
namespace JiveXML {

 
  StatusCode CaloHECRetriever::initialize() {
 
    ATH_MSG_DEBUG( "Initialising Tool"  );
    ATH_CHECK( detStore()->retrieve (m_calocell_id, "CaloCell_ID") );
 
    ATH_CHECK( m_sgKey.initialize() );
    ATH_CHECK( m_cablingKey.initialize() );
    ATH_CHECK( m_adc2mevKey.initialize(m_doHECCellDetails) );
 
    return StatusCode::SUCCESS; 
  }
   
  StatusCode CaloHECRetriever::retrieve(ToolHandle<IFormatTool> &FormatTool) {
    
    ATH_MSG_DEBUG( "in retrieve()"  );
    
    SG::ReadHandle<CaloCellContainer> cellContainer(m_sgKey);
    if (!cellContainer.isValid()){
        ATH_MSG_WARNING( "Could not retrieve Calorimeter Cells "  );
    }
    else{
      if(m_hec){
        DataMap data = getHECData(&(*cellContainer));
        ATH_CHECK( FormatTool->AddToEvent(dataTypeName(), m_sgKey.key(), &data) );
        ATH_MSG_DEBUG( "HEC retrieved"  );
      }
    }
 
    //HEC cells retrieved okay
    return StatusCode::SUCCESS;
  }
 

  const DataMap CaloHECRetriever::getHECData(const CaloCellContainer* cellContainer) {
    
    ATH_MSG_DEBUG( "getHECData()"  );
    const EventContext& ctx = Gaudi::Hive::currentContext();
 
    DataMap dataMap;
 
    DataVect phi; phi.reserve(cellContainer->size());
    DataVect eta; eta.reserve(cellContainer->size());
    DataVect energy; energy.reserve(cellContainer->size());
    DataVect idVec; idVec.reserve(cellContainer->size());
    DataVect channel; channel.reserve(cellContainer->size());
    DataVect feedThrough; feedThrough.reserve(cellContainer->size());
    DataVect slot; slot.reserve(cellContainer->size());
 
    DataVect cellTimeVec; cellTimeVec.reserve(cellContainer->size());
    DataVect cellGain; cellGain.reserve(cellContainer->size());
    DataVect cellPedestal; cellPedestal.reserve(cellContainer->size());
    DataVect adc2Mev; adc2Mev.reserve(cellContainer->size());
    DataVect BadCell; BadCell.reserve(cellContainer->size());
 
    char rndStr[30]; // for rounding (3 digit precision)
 
    CaloCellContainer::const_iterator it1 = cellContainer->beginConstCalo(CaloCell_ID::LARHEC);
    CaloCellContainer::const_iterator it2 = cellContainer->endConstCalo(CaloCell_ID::LARHEC);
 
    
    SG::ReadCondHandle<LArOnOffIdMapping> cablingHdl{m_cablingKey, ctx};
    const LArOnOffIdMapping* cabling{*cablingHdl};
    if(!cabling) {
      ATH_MSG_ERROR ("Could not get cabling mapping from key " << m_cablingKey.key() );
      return dataMap;
    }
 
    const ILArPedestal* larPedestal = nullptr;
    if(m_doHECCellDetails){
      if( detStore()->retrieve(larPedestal).isFailure() ){
        ATH_MSG_ERROR( "in getHECData(), Could not retrieve LAr Pedestal"  );
      }
    }
      
    const LArOnlineID* onlineId = nullptr;
    if ( detStore()->retrieve(onlineId, "LArOnlineID").isFailure()) {
      ATH_MSG_ERROR( "in getHECData(),Could not get LArOnlineID!"  );
    }
 
    const LArADC2MeV* adc2mev = nullptr;
    if (m_doHECCellDetails) {
      SG::ReadCondHandle<LArADC2MeV> adc2mevH (m_adc2mevKey, ctx);
      adc2mev = *adc2mevH;
    }
 
      double energyGeV{},cellTime{};    
      double energyAllLArHEC = 0.;      
 
      for(;it1!=it2;++it1){
        if ((*it1)->energy() < m_cellThreshold) continue; // skip to next cell if threshold not passed
 
    if((*it1)->badcell()){ BadCell.push_back(1); }
    else{ BadCell.push_back(-1); }
 
      if ((((*it1)->provenance()&0xFF)!=0xA5)&&m_cellConditionCut) continue; // check full conditions for HEC
      Identifier cellid = (*it1)->ID(); 
 
          HWIdentifier LArhwid = cabling->createSignalChannelIDFromHash((*it1)->caloDDE()->calo_hash());
      
      //ignore HEC cells that are to be masked
      if (m_doMaskLArChannelsM5){
        bool maskChannel = false;
        for (size_t i = 0; i < m_LArChannelsToIgnoreM5.size(); i++){
              if (cellid == m_LArChannelsToIgnoreM5[i]){
        maskChannel = true; 
        break;  // exit loop over bad channels
          }       
        }
        if (maskChannel) continue;  // continue loop over all channels
      }
 
      energyGeV = (*it1)->energy()*(1./GeV);
      energy.emplace_back( gcvt( energyGeV, m_cellEnergyPrec, rndStr) );
          energyAllLArHEC += energyGeV;
 
          idVec.emplace_back((Identifier::value_type)(*it1)->ID().get_compact() );
          phi.emplace_back((*it1)->phi());
          eta.emplace_back((*it1)->eta());
          channel.emplace_back(onlineId->channel(LArhwid)); 
          feedThrough.emplace_back(onlineId->feedthrough(LArhwid)); 
          slot.emplace_back(onlineId->slot(LArhwid)); 
 
      if ( m_doHECCellDetails){
        cellTime = (*it1)->time();
        cellTimeVec.emplace_back( gcvt( cellTime, m_cellTimePrec, rndStr)  );
        cellGain.emplace_back( (*it1)->gain()  ); 
        
        int hecgain = (*it1)->gain();
        float pedestal=larPedestal->pedestal(LArhwid,hecgain);
        float pedvalue=0;
        if (pedestal >= (1.0+LArElecCalib::ERRORCODE)) pedvalue = pedestal;
        else pedvalue = 0;
        cellPedestal.emplace_back(pedvalue);
 
            LArVectorProxy polynom_adc2mev = adc2mev->ADC2MEV(cellid,hecgain);
            if (polynom_adc2mev.size()==0){ adc2Mev.emplace_back(-1); }
            else{ adc2Mev.emplace_back(polynom_adc2mev[1]); }
      }
      }
 
    ATH_MSG_DEBUG( " Total energy in HEC (LAr) in GeV : " <<  energyAllLArHEC  );
 
    // write values into DataMap
    const auto nEntries = phi.size();
    dataMap["phi"] = std::move(phi);
    dataMap["eta"] = std::move(eta);
    dataMap["energy"] = std::move(energy);
    dataMap["id"] = std::move(idVec);
    dataMap["channel"] = std::move(channel);
    dataMap["feedThrough"] = std::move(feedThrough);
    dataMap["slot"] = std::move(slot);
    //Bad Cells
    if (m_doBadHEC==true) {
      dataMap["BadCell"] = std::move(BadCell);
    }
    // adc counts
    if ( m_doHECCellDetails){
       dataMap["cellTime"] = std::move(cellTimeVec);
       dataMap["cellGain"] = std::move(cellGain);
       dataMap["cellPedestal"] = std::move(cellPedestal);
       dataMap["adc2Mev"] = std::move(adc2Mev);
    }
    //Be verbose
    ATH_MSG_DEBUG( dataTypeName() << " , collection: " << dataTypeName()
                   << " retrieved with " << nEntries << " entries" );
 
 
    //All collections retrieved okay
    return dataMap;
 
  } // getHECData
 
  //--------------------------------------------------------------------------
  
} // JiveXML namespace