Sphere.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/DllConfig.h"
#include "MantidGeometry/Surfaces/Quadratic.h"
#include "MantidKernel/V3D.h"
#include <string>
 
class TopoDS_Shape;
 
namespace Mantid {
 
namespace Geometry {
class MANTID_GEOMETRY_DLL Sphere : public Quadratic {
private:
  Kernel::V3D m_centre; 
  double m_radius;      
  void rotate(const Kernel::Matrix<double> &) override;
  void displace(const Kernel::V3D &) override;
  double centreToPoint(const Kernel::V3D &pt) const;
  Sphere *doClone() const override;
 
protected:
  Sphere(const Sphere &) = default;
  Sphere &operator=(const Sphere &) = delete;
 
public:
  Sphere();
  Sphere(const Kernel::V3D &centre, double radius);
  std::unique_ptr<Sphere> clone() const;
  std::string className() const override { return "Sphere"; }
  // Visit acceptor
  void acceptVisitor(BaseVisit &A) const override { A.Accept(*this); }
  int setSurface(const std::string &) override;
  int side(const Kernel::V3D &) const override;
  bool onSurface(const Kernel::V3D &) const override;
  double distance(const Kernel::V3D &) const override;
  void setCentre(const Kernel::V3D &);
  Kernel::V3D getCentre() const { return m_centre; }
  double getRadius() const { return m_radius; }
  void setRadius(const double &r) {
    m_radius = r;
    setBaseEqn();
  }
  void setBaseEqn() override;
  void write(std::ostream &) const override;
  void getBoundingBox(double &xmax, double &ymax, double &zmax, double &xmin, double &ymin, double &zmin) override;
 
  constexpr static int g_NSLICES = 5;
  constexpr static int g_NSTACKS = 5;
#ifdef ENABLE_OPENCASCADE
  TopoDS_Shape createShape() override;
#endif
};
 
} // NAMESPACE Geometry
 
} // NAMESPACE Mantid