SiDetElementBoundaryLink_xk.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/

//  Header file for class SiDetElementBoundaryLink_xk
// (c) ATLAS Detector software
// Class for detector elements links
// Version 1.0 3/10/2004 I.Gavrilenko
 
#ifndef SiDetElementBoundaryLink_xk_H
#define SiDetElementBoundaryLink_xk_H
 
#include "InDetReadoutGeometry/SiDetectorElement.h"
#include "TrkPatternParameters/PatternTrackParameters.h"
 
namespace InDet{
 
 
  class SiDetElementBoundaryLink_xk final
    {
      // Public methods:
      
    public:
      
      SiDetElementBoundaryLink_xk(const InDetDD::SiDetectorElement*&, bool isITk = false);
      SiDetElementBoundaryLink_xk(const SiDetElementBoundaryLink_xk&) = default;
      ~SiDetElementBoundaryLink_xk() = default;
      SiDetElementBoundaryLink_xk& operator  = (const SiDetElementBoundaryLink_xk&) = default;

      // Main methods
 
      const InDetDD::SiDetectorElement* detElement() const {return m_detelement;}
      int intersect(const Trk::PatternTrackParameters&,double&) const;
 
    protected:

      // Protected Data
 
      const InDetDD::SiDetectorElement*   m_detelement ;
      double                              m_bound[4][3]{};
      bool                                m_ITkGeometry;
      double                              m_dR         ;

      // Methods
 
    private:
      enum AxisDirection {
        PositiveX=0,
        NegativeY,
        NegativeX,
        PositiveY
      };
 
      enum IntersectionStatus {
        Inside=-1,
        NotInsideNorOutside=0,
        Outside=1
      };
 
    };
  
  // Inline methods
 
 
} // end of name space
 
#endif // SiDetElementBoundaryLink_xk