FPGATrackSimPrototrackFitterAlg.h

Go to the documentation of this file.

/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ACTSTRACKRECONSTRUCTION_FPGATRACKSIMPROTOTRACKFITTERALG_H
#define ACTSTRACKRECONSTRUCTION_FPGATRACKSIMPROTOTRACKFITTERALG_H 1
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "ActsGeometryInterfaces/IActsExtrapolationTool.h"
 
#include "ActsToolInterfaces/IFitterTool.h"
#include "ActsEventCnv/IActsToTrkConverterTool.h"
#include "ActsGeometryInterfaces/IActsTrackingGeometryTool.h"
#include "InDetReadoutGeometry/SiDetectorElementCollection.h"
#include "StoreGate/CondHandleKeyArray.h"
#include "ActsEvent/TrackContainerHandlesHelper.h"
 
#include "ActsEvent/ProtoTrackCollection.h"
 
namespace
{
  // Forward-declare internal classes defined in TrackFindingData.h and used only in TrackFindingAlg.cxx.
  // Define in the anonymous namespace to prevent unnecessary external linkage.
  class TrackFindingMeasurements;
  class DuplicateSeedDetector;
}
 
 
 
namespace FPGATrackSim{
    class FPGATrackSimPrototrackFitterAlg: public ::AthReentrantAlgorithm { 
    public: 
    FPGATrackSimPrototrackFitterAlg( const std::string& name, ISvcLocator* pSvcLocator );
    virtual ~FPGATrackSimPrototrackFitterAlg() = default;
 
 
                                            //IS EXECUTED:
    virtual StatusCode  initialize() override final;     //once, before any input is loaded
    virtual StatusCode  execute(const EventContext & ctx) const override final;
    
    private: 
      // the track fitter to use for the refit 
      ToolHandle<ActsTrk::IFitterTool> m_actsFitter{this, "ActsFitter", "", "Choice of Acts Fitter (Kalman by default)"};
      // tracking geometry - used to translate ATLAS to ACTS geometry
      ToolHandle<IActsTrackingGeometryTool> m_trackingGeometryTool{this, "TrackingGeometryTool", ""};
      // more conversion helpers
      ToolHandle<ActsTrk::IActsToTrkConverterTool> m_ATLASConverterTool{this, "ATLASConverterTool", ""};
      // detector element collections - again needed for geometry translation 
      SG::ReadCondHandleKeyArray<InDetDD::SiDetectorElementCollection> m_detEleCollKeys{this, "DetectorElementCollectionKeys", {}, "input SiDetectorElementCollection"};
      // ACTS extrapolation tool - provides the magnetic field 
      ToolHandle<IActsExtrapolationTool> m_extrapolationTool{this, "ExtrapolationTool", ""};
      // output location to write to 
      SG::WriteHandleKey<ActsTrk::TrackContainer> m_trackContainerKey{this, "ACTSTracksLocation", "", "Output track collection (ActsTrk variant)"};
      // acts helper for the output
      ActsTrk::MutableTrackContainerHandlesHelper m_tracksBackendHandlesHelper;
      // prototrack collection from FPGAClusters or FPGATracks
      SG::ReadHandleKey<ActsTrk::ProtoTrackCollection> m_ProtoTrackCollectionFromFPGAKey{this, "FPGATrackSimActsProtoTracks","","FPGATrackSim PrototrackCollection"};
 
    }; 
 
}
 
#endif //> !ACTSTRACKRECONSTRUCTION_PROTOTRACKCREATIONANDFITALG_H