TRT_OverlapDescriptor.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
// TRT_OverlapDescriptor.h, (c) ATLAS Detector software
 
#ifndef INDETTRACKINGGEOMETRY_TRT_OVERLAPDESCRIPTOR_H
#define INDETTRACKINGGEOMETRY_TRT_OVERLAPDESCRIPTOR_H
 
// Trk
#include "TrkGeometry/OverlapDescriptor.h"
// ID
#include "InDetIdentifier/TRT_ID.h"
 
namespace Trk {
  class Surface;
}
 
namespace InDet {
    
     class TRT_OverlapDescriptor : public Trk::OverlapDescriptor {
       public:
         TRT_OverlapDescriptor(const TRT_ID* helper, double bTolerance = 0.9, double oTolerance = 1.1) : 
          m_trtIdHelper(helper),
          m_breakTolerance(bTolerance),
          m_outsideTolerance(oTolerance)
         {}
         TRT_OverlapDescriptor(const TRT_OverlapDescriptor& od) :
          Trk::OverlapDescriptor(),
          m_trtIdHelper(od.m_trtIdHelper),
          m_breakTolerance(od.m_breakTolerance),
          m_outsideTolerance(od.m_outsideTolerance)
         {}
         
         TRT_OverlapDescriptor & operator = (const TRT_OverlapDescriptor &) = default;
             
         virtual ~TRT_OverlapDescriptor(){}
         
         TRT_OverlapDescriptor* clone() const;
 
         bool reachableSurfaces(std::vector<Trk::SurfaceIntersection>& cSurfaces,
                                const Trk::Surface& sf,
                                const Amg::Vector3D& pos,
                                const Amg::Vector3D& dir) const;
                                  
       private:
         // this checks if the surface intersection is within bounds, if it returns 0 break, otherwise +/- for checking in +/- of index
         int checkAndFill(std::vector<Trk::SurfaceIntersection>& cSurfaces, 
                          const Trk::Surface& sf,
                          const Amg::Vector3D& pos,
                          const Amg::Vector3D& dir) const;
           
         const TRT_ID* m_trtIdHelper;     
         double                m_breakTolerance;  
         double                m_outsideTolerance; 
              
     };
 
inline TRT_OverlapDescriptor* TRT_OverlapDescriptor::clone() const { return new TRT_OverlapDescriptor(*this); }     
     
}
 
#endif