InstrumentRayTracer.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2010 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/IDetector.h"
#include "MantidGeometry/Instrument.h"
#include "MantidGeometry/Objects/BoundingBox.h"
#include "MantidGeometry/Objects/Track.h"
#include <boost/unordered_map.hpp>
#include <deque>
#include <list>
#include <mutex>
 
namespace Mantid {
namespace Kernel {
class V3D;
}
namespace Geometry {
class IComponent;
struct Link;
class Track;
using Links = Track::LType;
 
class MANTID_GEOMETRY_DLL InstrumentRayTracer {
public:
  InstrumentRayTracer(Instrument_const_sptr instrument);
  void trace(const Kernel::V3D &dir) const;
  void traceFromSample(const Kernel::V3D &dir) const;
  Links getResults() const;
 
  IDetector_const_sptr getDetectorResult() const;
 
private:
  InstrumentRayTracer();
  void fireRay(Track &testRay) const;
 
  Instrument_const_sptr m_instrument;
  mutable Track m_resultsTrack;
  mutable boost::unordered_map<IComponent *, BoundingBox> m_boxCache;
  mutable std::mutex m_mutex;
};
} // namespace Geometry
} // namespace Mantid