TRT_TrackSegmentsFinder.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRT_TrackSegmentsFinder_H
#define TRT_TrackSegmentsFinder_H
 
#include <string>
#include <atomic>
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "GaudiKernel/ToolHandle.h"
#include "InDetRecToolInterfaces/ITRT_TrackSegmentsMaker.h"
#include "InDetRecToolInterfaces/ITRT_DetElementsRoadMaker.h"
#include "StoreGate/WriteHandleKey.h"
#include "StoreGate/ReadHandleKey.h"
#include "TrkSegment/SegmentCollection.h"
#include "TrkCaloClusterROI/ROIPhiRZContainer.h"
// MagField cache
#include "MagFieldConditions/AtlasFieldCacheCondObj.h"
#include "MagFieldElements/AtlasFieldCache.h"
namespace InDet {
 
 
  // Class-algorithm for track finding in TRT
  //
  class TRT_TrackSegmentsFinder : public AthReentrantAlgorithm
    {
    public:

      // Standard Algotithm methods
 
      TRT_TrackSegmentsFinder(const std::string &name, ISvcLocator *pSvcLocator);
      virtual ~TRT_TrackSegmentsFinder() {};
      StatusCode initialize();
      StatusCode execute(const EventContext &ctx) const;
      StatusCode finalize();
 
    protected:
 
      MsgStream&    dumptools(MsgStream&    out) const;
      MsgStream&    dumpevent(MsgStream&    out, int nsegments) const;
 
      Gaudi::Property<bool>                         m_useCaloSeeds
       {this, "useCaloSeeds",          false,  "Use calo seeds to find TRT segments"};
 
      Gaudi::Property<int>                          m_minNumberDCs
       {this, "MinNumberDriftCircles", 15,      "Minimum number of DriftCircles for a TRT segment."};
 
      SG::ReadHandleKey<ROIPhiRZContainer>         m_caloClusterROIKey
       {this, "EMROIPhiRZContainer", "", "Name of the calo ROI container in which the ROIs are parametrised by phi, r and z."};
 
      SG::WriteHandleKey<Trk::SegmentCollection>    m_foundSegmentsKey
       {this, "SegmentsLocation", "TRTSegments", "Storegate key of the found TRT segments."};
 
      ToolHandle<ITRT_TrackSegmentsMaker>           m_segmentsMakerTool
       {this, "SegmentsMakerTool", "InDet::TRT_TrackSegmentsMaker_ATLxk", "TRT segments maker tool." };
 
      ToolHandle<ITRT_DetElementsRoadMaker>         m_roadtool
       {this, "RoadTool", "InDet::TRT_DetElementsRoadMaker_xk", "Tool to build roads in the TRT."};
 
      SG::ReadCondHandleKey<AtlasFieldCacheCondObj> m_fieldCondObjInputKey {this, "AtlasFieldCacheCondObj", "fieldCondObj", "Name of the Magnetic Field conditions object key"};
        
      mutable std::atomic<int>                      m_nsegmentsTotal {}  ; // statistics about number of segments
 
    };
}
#endif // TRT_TrackSegmentsFinder_H