CaloTTMgrDetDescrCnv.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
/***************************************************************************
 Calo Trigger Tower Manager converter package
 --------------------------------------------
 ***************************************************************************/
 
 
#include "CaloTTMgrDetDescrCnv.h"
 
// infrastructure includes
#include "DetDescrCnvSvc/DetDescrConverter.h"
#include "DetDescrCnvSvc/DetDescrAddress.h"
 
// detdescr includes
#include "CaloTTDetDescr/CaloTTDescrManager.h"
#include "CaloTTDetDescr/CaloTTDescrRegion.h"
#include "CaloTTDetDescr/CaloTTDescriptor.h"
#include "CaloIdentifier/CaloLVL1_ID.h"
 
#include "StoreGate/ReadCondHandleKey.h"
#include "StoreGate/ReadCondHandle.h"
#include "CaloDetDescr/CaloDetDescrManager.h"
#include "CaloDetDescr/CaloDetDescrElement.h"
#include "CaloTriggerTool/CaloTriggerTowerService.h" 
 
// Instantiation of a static factory class used by clients to create
// instances of this service
 
long int 
CaloTTMgrDetDescrCnv::repSvcType() const
{
  return (storageType());
}
 
StatusCode 
CaloTTMgrDetDescrCnv::initialize()
{
  ATH_MSG_DEBUG("in initialize");
  // First call parent init
  ATH_CHECK(DetDescrConverter::initialize());
    
    // The following is an attempt to "bootstrap" the loading of a
    // proxy for CaloTTDescrManager into the detector store. However,
    // CaloTTMgrDetDescrCnv::initialize is NOT called by the conversion
    // service.  So for the moment, this cannot be use. Instead the
    // DetDescrCnvSvc must do the bootstrap from a parameter list.
 
 
//      // Add CaloTTDescrManager proxy as entry point to the detector store
//      // - this is ONLY needed for the manager of each system
//      sc = addToDetStore(classID(), "CaloTTDescrManager");
//      if (sc.isFailure()) {
//      log << MSG::FATAL << "Unable to add proxy for CaloTTDescrManager to the Detector Store!" << endmsg;
//      return StatusCode::FAILURE;
//      } else {}
 
  return StatusCode::SUCCESS;
}
 
//--------------------------------------------------------------------
 
StatusCode 
CaloTTMgrDetDescrCnv::finalize()
{
  ATH_MSG_DEBUG("in finalize");
  return StatusCode::SUCCESS;
}
 
//--------------------------------------------------------------------
 
StatusCode
CaloTTMgrDetDescrCnv::createObj(IOpaqueAddress* /*pAddr*/, DataObject*& pObj)
{
    ATH_MSG_INFO("in createObj: creating a CaloTTDescrManager object in the detector store");
 
    // Create a new CaloTTDescrManager
    CaloTTDescrManager* caloTTMgr = new CaloTTDescrManager(); 
 
    // Pass a pointer to the container to the Persistency service by reference.
    pObj = SG::asStorable(caloTTMgr);
 
    // Get idhelper from detector store and add to mgr
    const CaloLVL1_ID* lvl1_id = nullptr;
    ATH_CHECK(detStore()->retrieve(lvl1_id, "CaloLVL1_ID"));
    caloTTMgr->set_helper(lvl1_id);
    ATH_MSG_INFO("Set CaloLVL1_ID helper in CaloTTMgr ");
 
    // Get CaloDetDescrManager from condition store
    // to build geometry of trigger towers
    //
    // NB! The information retrieved from the CaloDetDescrManager is NOT sensitive
    //     to Calo alignment changes. Hence, it is OK to write CaloTTDescrManager
    //     into DetStore
    SG::ReadCondHandleKey<CaloDetDescrManager> caloMgrKey {"CaloDetDescrManager"};
    ATH_CHECK(caloMgrKey.initialize());
    SG::ReadCondHandle<CaloDetDescrManager> caloMgrHandle{caloMgrKey};
    const CaloDetDescrManager* caloMgr = *caloMgrHandle;
 
    SmartIF<IToolSvc> toolSvc{service("ToolSvc")};
    ATH_CHECK(toolSvc.isValid());
 
    CaloTriggerTowerService*    ttSvc{nullptr};
    ATH_CHECK(toolSvc->retrieveTool("CaloTriggerTowerService",ttSvc));
 
    // Initialize the caloTT mgr
    //  We protect here in case this has been initialized elsewhere
 
    if (!caloTTMgr->is_initialized()) {
 
      ATH_MSG_DEBUG("Initializing CaloTTMgr from values in CaloTTMgrDetDescrCnv");
 
      int numberOfIdRegions=0;
      int numberOfDescrRegions=0;
      int nEmb=0;
      int nEmec=0;
      int nHec=0;
      int nFcal=0;
 
      // Initialize the manager ...
      const CaloLVL1_ID* lvl1_helper = lvl1_id;
      
      std::vector<Identifier>::const_iterator itId = lvl1_id->region_begin();
      std::vector<Identifier>::const_iterator itIdEnd = lvl1_id->region_end();
      
      for(; itId!=itIdEnd;++itId){
    Identifier regId = *itId;
    ++numberOfIdRegions;
    int posNeg   =  lvl1_helper->pos_neg_z(regId);
    //  int sampling = lvl1_helper->sampling(regId);
    int region   =  lvl1_helper->region(regId);
    int halfNphi = (lvl1_helper->phi_max(regId)+1)/2;
    int nLay     =  lvl1_helper->layer_max(regId)+1;
    
    // create Descriptors for both LAr and Tile
    CaloTTDescriptor* calo_descriptor = new CaloTTDescriptor() ;
    calo_descriptor->set(regId);
 
    if( 0 == region ) {
      //      calo_descriptor->set(0. ,2.5,0.1,-M_PI,M_PI,M_PI/halfNphi,posNeg,nLay);
      calo_descriptor->set(0. ,2.5,0.1,0.,2.*M_PI,M_PI/halfNphi,posNeg,nLay);
    } else if( 1 == region ) {
      //      calo_descriptor->set(2.5,3.1,0.2,-M_PI,M_PI,M_PI/halfNphi,posNeg,nLay);
      calo_descriptor->set(2.5,3.1,0.2,0.,2.*M_PI,M_PI/halfNphi,posNeg,nLay);
    } else if( 2 == region ) {
      //      calo_descriptor->set(3.1,3.2,0.1,-M_PI,M_PI,M_PI/halfNphi,posNeg,nLay);
      calo_descriptor->set(3.1,3.2,0.1,0.,2.*M_PI,M_PI/halfNphi,posNeg,nLay);
    } else if( 3 == region ) {
      //      calo_descriptor->set(3.2,4.9,0.4,-M_PI,M_PI,M_PI/halfNphi,posNeg,nLay);
      calo_descriptor->set(3.2,4.9,0.4,0.,2.*M_PI,M_PI/halfNphi,posNeg,nLay);
    }
 
    // Initialize 
    caloTTMgr->add(calo_descriptor);
    
    // now, create CaloTTDescrRegions for LAr only
    // Loop on TTs of this region and create CaloTTDescrRegion's (equiv. to cell's CaloDDE for TT)
    int maxEta=calo_descriptor->nEta();
    for(int iEta=0;iEta<maxEta;++iEta) {
        
      int maxPhi=calo_descriptor->nPhi();
      for(int iPhi=0;iPhi<maxPhi;++iPhi) {
          
        Identifier TTid = lvl1_helper->tower_id(regId,iEta,iPhi);
        if(!lvl1_helper->is_tile(TTid)) {
 
          int maxLay=calo_descriptor->nLay();
          for(int iLay=0;iLay<maxLay;++iLay) {
 
        Identifier layId = lvl1_helper->layer_id(TTid,iLay);
        bool isFCAL(0), isEC(0);
        if(lvl1_helper->is_fcal(layId)) {
          isFCAL=true;
        }
        else if(lvl1_helper->is_emec(layId) || lvl1_helper->is_hec(layId)) {
          isEC=true;
        }
        if (this->msgLvl(MSG::DEBUG)) {
          if(lvl1_helper->is_emb(layId) || lvl1_helper->is_barrel_end(layId) ) {
            ++nEmb;
             ATH_MSG_DEBUG(" Found EMB TT " << lvl1_helper->show_to_string(layId));
          }
          else if(lvl1_helper->is_emec(layId)) {
            ++nEmec;
             ATH_MSG_DEBUG(" Found EMEC TT " << lvl1_helper->show_to_string(layId));
          }
          else if(lvl1_helper->is_hec(layId)) {
            ++nHec;
             ATH_MSG_DEBUG(" Found HEC TT " << lvl1_helper->show_to_string(layId));
          }
          else {  // FCAL
            ++nFcal;
             ATH_MSG_DEBUG(" Found FCAL TT " << lvl1_helper->show_to_string(layId));
          }
        }
 
        double dEta=calo_descriptor->deta();
        double eta=calo_descriptor->eta_min()+(iEta+0.5)*dEta;
        eta*=calo_descriptor->sign_eta();
        
        double dPhi=calo_descriptor->dphi();
        // beware of the -pi,pi convention
        // fixed thanks to Denis Damazio when integrating LArRegionSelector
        //      float orig=-M_PI; 
        float orig=0.;
        double phi=calo_descriptor->phiMin() + (iPhi+0.5)*dPhi + orig;
        if(phi>=M_PI) {phi-=2.*M_PI;}
        if(phi<-M_PI) {phi+=2.*M_PI;}
        
        
        float rhoMin=99999.;
        float rhoMax=0.;
        float zMin=99999.;
        float zMax=-99999.;
        
        //int atlas_tb=0;
        std::vector<Identifier> vec = ttSvc->createCellIDvecLayer(layId);
        
        if(vec.size() > 0) {
          numberOfDescrRegions++;
          std::vector<Identifier>::const_iterator it     = vec.begin();
          std::vector<Identifier>::const_iterator it_end = vec.end();
          for(;it!=it_end;++it) {
            Identifier offId = (*it);
            const CaloDetDescrElement* caloDDE = 
                      caloMgr->get_element(offId);
            double rho  =caloDDE->r_raw();
            double cDrho=caloDDE->dr();
            double z    =caloDDE->z_raw();
            double cDz  =caloDDE->dz();
            
            if( (rho-cDrho/2.)<rhoMin ) {rhoMin=std::max(rho-cDrho/2.,0.);}
            if( (rho+cDrho/2.)>rhoMax ) {rhoMax=rho+cDrho/2.;}
            if( (z-cDz/2.)<zMin ) {zMin=z-cDz/2.;}
            if( (z+cDz/2.)>zMax ) {zMax=z+cDz/2.;}
          } // end loop on vector elements
        
        
          CaloTTDescrRegion* tt_region = new CaloTTDescrRegion(layId,calo_descriptor);
          if(isFCAL) {
            // FIX ME !?
            tt_region->set_cylindric(eta,phi,(zMax+zMin)/2.);
            tt_region->set_cylindric_size(dEta,dPhi,fabs(zMax-zMin));
          } else if(isEC) {
            tt_region->set_cylindric(eta,phi,(zMax+zMin)/2.);
            tt_region->set_cylindric_size(dEta,dPhi,fabs(zMax-zMin));
          } else {
            tt_region->set_spherical(eta,phi,(rhoMax+rhoMin)/2.);
            tt_region->set_spherical_size(dEta,dPhi,fabs(rhoMax-rhoMin));
          }
        
          caloTTMgr->add(tt_region);
 
        } // end condition of vec size
        else {
          ATH_MSG_DEBUG(" Found no cell for TT " << lvl1_helper->show_to_string(layId));
        }
          } // end loop on layers
        } // end condition against tile
      } // end loop on phi
    } // end loop on eta
      } // end loop on descr_regions
      
      // Set to initialized state only if descriptors have been found
      if (caloTTMgr->calo_descriptors_size () > 0) caloTTMgr->initialize();
    
      ATH_MSG_INFO(" Initialized CaloTTMgr, number of descr regions is " << numberOfDescrRegions);
      ATH_MSG_DEBUG(" including "
            << nEmb << " Em Barrel "
            << nEmec << " Em EC "
            << nHec << " HEC "
            << nFcal << " FCAL ");
      ATH_MSG_DEBUG(" number of helper regions= " << numberOfIdRegions);
    } // end of condition !is_initialized()
 
    return StatusCode::SUCCESS; 
}
 
//--------------------------------------------------------------------
 
long 
CaloTTMgrDetDescrCnv::storageType()
{
    return DetDescr_StorageType;
}
 
//--------------------------------------------------------------------
CLID
CaloTTMgrDetDescrCnv::classID() { 
    return ClassID_traits<CaloTTDescrManager>::ID(); 
}
 
//--------------------------------------------------------------------
CaloTTMgrDetDescrCnv::CaloTTMgrDetDescrCnv(ISvcLocator* svcloc) 
    :
    DetDescrConverter(ClassID_traits<CaloTTDescrManager>::ID(), svcloc)
{}