LineSegment2D.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2015  Belle II Collaboration                              *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Kirill Chilikin                                          *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
 
#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();
 
      int findIntersection(const Line2D& line,
                           HepGeom::Point3D<double>* intersection) const;
 
      int findIntersection(const LineSegment2D& lineSegment,
                           HepGeom::Point3D<double>* intersection) const;
 
      int findIntersection(const Circle2D& circle,
                           HepGeom::Point3D<double> intersections[2]) const;
 
      int findIntersection(const Arc2D& arc,
                           HepGeom::Point3D<double> intersections[2]) const;
 
      bool tWithinRange(double t) const;
 
    };
 
  }
 
}