RALHec.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
// RALHec
// Sep 5 JFB
 
// Fetch parameters from a NOVA database structure.
 
#include "LArGeoRAL/RALHec.h"
#include "LArGeoCode/VDetectorParameters.h"
 
// Athena Service classes
#include "GaudiKernel/Bootstrap.h"
#include "GaudiKernel/ISvcLocator.h"
#include "StoreGate/StoreGateSvc.h"
 
#include "CLHEP/Units/PhysicalConstants.h"
 
#include "RDBAccessSvc/IRDBAccessSvc.h"
#include "RDBAccessSvc/IRDBRecord.h"
#include "RDBAccessSvc/IRDBRecordset.h"
 
#include "GeoModelInterfaces/IGeoModelSvc.h"
#include "GeoModelInterfaces/IGeoDbTagSvc.h"
 
#include <cstdlib>
#include <iostream>
#include <stdexcept>
#include <string>
 
class LArGeo::RALHec::Clockwork {
 
public:
 
  Clockwork() = default;
  ~Clockwork() = default;
  
  IRDBRecordset_ptr hadronicEndcap;
  IRDBRecordset_ptr hecGridValues;
  IRDBRecordset_ptr hecLongitudinalBlock;
};
 
 
LArGeo::RALHec::RALHec():
  m_c(new Clockwork())
{
  // First, fetch the Athena services.
  ISvcLocator* svcLocator = Gaudi::svcLocator();
 
  SmartIF<IGeoDbTagSvc> geoDbTagSvc{svcLocator->service("GeoDbTagSvc")};
  if(!geoDbTagSvc.isValid()) {
    throw std::runtime_error ("Cannot locate GeoDBTagSvc");
  }
  
  SmartIF<IRDBAccessSvc> pAccessSvc{svcLocator->service(geoDbTagSvc->getParamSvcName())};
  if(!pAccessSvc.isValid()) {
    throw std::runtime_error ("Cannot locate " + geoDbTagSvc->getParamSvcName());
  }
 
  std::string detectorKey;
  std::string detectorNode;
 
  if(geoDbTagSvc->getSqliteReader()==nullptr) {
    // The geometry DB is used
    SmartIF<IGeoModelSvc> geoModel{svcLocator->service("GeoModelSvc")};
    if(!geoModel.isValid()) {
      throw std::runtime_error ("Cannot locate GeoModelSvc");
    }
 
    std::string AtlasVersion = geoModel->atlasVersion();
    std::string LArVersion = geoModel->LAr_VersionOverride();
 
    detectorKey  = LArVersion.empty() ? AtlasVersion : LArVersion;
    detectorNode = LArVersion.empty() ? "ATLAS" : "LAr";
  }
 
 
  m_c->hadronicEndcap             = pAccessSvc->getRecordsetPtr("HadronicEndcap",detectorKey, detectorNode); 
  m_c->hecGridValues              = pAccessSvc->getRecordsetPtr("HecGridValues",detectorKey, detectorNode); 
  m_c->hecLongitudinalBlock       = pAccessSvc->getRecordsetPtr("HecLongitudinalBlock",detectorKey, detectorNode); 
 
}
 
 
LArGeo::RALHec::~RALHec()
{
  delete m_c;
}
 
 
double LArGeo::RALHec::GetValue(std::string_view a_name,
                                const int a0,
                                const int /*a1*/,
                                const int /*a2*/,
                                const int /*a3*/,
                                const int /*a4*/ ) const
{
  
  std::ostringstream A0STR;
  A0STR << "_" << a0;
  const std::string A0 = A0STR.str();
 
 
  if ( a_name == "LArHECmoduleNumber"  ) return (*m_c->hadronicEndcap)[0]->getInt("NSCT");
  if ( a_name == "LArHECzStart"        ) return (*m_c->hadronicEndcap)[0]->getDouble("ZSTART")*CLHEP::cm;
  if ( a_name == "LArHECgapSize"       ) return (*m_c->hadronicEndcap)[0]->getDouble("LARG")*CLHEP::cm;
  if ( a_name == "LArHECbetweenWheel"  ) return (*m_c->hadronicEndcap)[0]->getDouble("GAPWHL")*CLHEP::cm;
  if ( a_name == "LArHECcopperPad"     ) return (*m_c->hadronicEndcap)[0]->getDouble("COPPER")*CLHEP::cm;
  if ( a_name == "LArHECplateWidth0"   ) return (*m_c->hadronicEndcap)[0]->getDouble("PLATE_0")*CLHEP::cm;
  if ( a_name == "LArHECplateWidth1"   ) return (*m_c->hadronicEndcap)[0]->getDouble("PLATE_1")*CLHEP::cm;
  if ( a_name == "LArHECkaptonPosition") return (*m_c->hadronicEndcap)[0]->getDouble("KPTPOS"+A0)*CLHEP::cm;
  if ( a_name == "LArHECkaptonWidth"   ) return (*m_c->hadronicEndcap)[0]->getDouble("KPTWID"+A0)*CLHEP::cm;
  if ( a_name == "LArHECrodPosY"       ) return (*m_c->hadronicEndcap)[0]->getDouble("RODPOSR"+A0)*CLHEP::cm;
  if ( a_name == "LArHECrodPosX"       ) return (*m_c->hadronicEndcap)[0]->getDouble("RODPOSX"+A0)*CLHEP::cm;
  if ( a_name == "LArHECrodDim"        ) return (*m_c->hadronicEndcap)[0]->getDouble("RODDIM"+A0)*CLHEP::cm;
  if ( a_name == "LArHECspcDim"        ) return (*m_c->hadronicEndcap)[0]->getDouble("SPCDIM"+A0)*CLHEP::cm;
 
  if ( a_name == "LArHECsliceIndex"    ) return (*m_c->hecLongitudinalBlock)[a0]->getDouble("IBLC");
  if ( a_name == "LArHECmoduleRinner1" ) return (*m_c->hecLongitudinalBlock)[0]->getDouble("BLRMN")*CLHEP::cm;
  if ( a_name == "LArHECmoduleRinner2" ) return (*m_c->hecLongitudinalBlock)[1]->getDouble("BLRMN")*CLHEP::cm;
  if ( a_name == "LArHECmoduleRouter"  ) return (*m_c->hecLongitudinalBlock)[0]->getDouble("BLRMX")*CLHEP::cm;
  if ( a_name == "LArHECdepthZ"        ) return (*m_c->hecLongitudinalBlock)[a0]->getDouble("BLDPTH")*CLHEP::cm;
  if ( a_name == "LArHECfirstAbsorber" ) return (*m_c->hecLongitudinalBlock)[a0]->getDouble("PLATE0")*CLHEP::cm;
  if ( a_name == "LArHECgapNumber"     ) return (*m_c->hecLongitudinalBlock)[a0]->getDouble("BLMOD");
 
  // We didn't find a match.  
  std::string errMessage = "RALHec::GetValue: could not find a match for the key '";
  errMessage.append(a_name);
  std::cerr << errMessage << std::endl;
  throw std::runtime_error (errMessage.c_str());
 
  // Unreached.
}