LineIntersectVisit.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2007 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
#include "MantidGeometry/Surfaces/BaseVisit.h"
#include "MantidGeometry/Surfaces/Line.h"
#include "MantidKernel/V3D.h"
#include <boost/container/small_vector.hpp>
#include <list>
 
namespace Mantid {
 
namespace Geometry {
 
//---------------------------------------------------------
// Forward declarations
//---------------------------------------------------------
class Surface;
class Quadratic;
class Plane;
class Sphere;
class Cone;
class Cylinder;
class General;
 
class MANTID_GEOMETRY_DLL LineIntersectVisit : public BaseVisit {
public:
  using DistancesType = boost::container::small_vector<double, 5>;
 
private:
  Line m_line;                         
  Line::PType m_intersectionPointsOut; 
  DistancesType m_distancesOut;        
 
public:
  LineIntersectVisit(const Kernel::V3D &, const Kernel::V3D &);
  void Accept(const Surface &) override;
  void Accept(const Quadratic &);
  void Accept(const Plane &) override;
  void Accept(const Sphere &) override;
  void Accept(const Cone &) override;
  void Accept(const Cylinder &) override;
  void Accept(const General &) override;
 
  // Accessor
  const DistancesType &getDistance() const { return m_distancesOut; }
  const Line::PType &getPoints() const { return m_intersectionPointsOut; }
  unsigned long getNPoints() const { return (unsigned long)m_intersectionPointsOut.size(); }
 
  void setLine(const Kernel::V3D &, const Kernel::V3D &);
 
  void sortAndRemoveDuplicates();
};
 
} // namespace Geometry
 
} // NAMESPACE Mantid