LineSegment2D.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
/* KLM headers. */
#include <klm/eklm/geometry/Line2D.h>
 
/* CLHEP headers. */
#include <CLHEP/Geometry/Point3D.h>
 
namespace Belle2 {
 
  namespace EKLM {

    class LineSegment2D : public Line2D {
 
    public:

      LineSegment2D(const HepGeom::Point3D<double>& point1,
                    const HepGeom::Point3D<double>& point2);

      ~LineSegment2D();

      // cppcheck-suppress duplInheritedMember ; the line segment versions intentionally hide the Line2D ones
      int findIntersection(const Line2D& line,
                           HepGeom::Point3D<double>* intersection) const;

      int findIntersection(const LineSegment2D& lineSegment,
                           HepGeom::Point3D<double>* intersection) const;

      // cppcheck-suppress duplInheritedMember ; the line segment versions intentionally hide the Line2D ones
      int findIntersection(const Circle2D& circle,
                           HepGeom::Point3D<double> intersections[2]) const;

      // cppcheck-suppress duplInheritedMember ; the line segment versions intentionally hide the Line2D ones
      int findIntersection(const Arc2D& arc,
                           HepGeom::Point3D<double> intersections[2]) const;

      static bool tWithinRange(double t);
 
    };
 
  }

}