IBeamProfile.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2016 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 "MantidAlgorithms/DllConfig.h"
#include "MantidGeometry/Objects/BoundingBox.h"
#include "MantidKernel/V3D.h"
 
namespace Mantid {
namespace API {
class Sample;
}
namespace Kernel {
class PseudoRandomNumberGenerator;
}
namespace Algorithms {
 
class MANTID_ALGORITHMS_DLL IBeamProfile {
public:
  struct Ray {
    Kernel::V3D startPos;
    Kernel::V3D unitDir;
  };
 
  virtual ~IBeamProfile() = default;
  virtual Ray generatePoint(Kernel::PseudoRandomNumberGenerator &rng) const = 0;
  virtual Ray generatePoint(Kernel::PseudoRandomNumberGenerator &rng, const Geometry::BoundingBox &) const = 0;
  virtual Geometry::BoundingBox defineActiveRegion(const Geometry::BoundingBox &) const = 0;
};
 
} // namespace Algorithms
} // namespace Mantid