spicerotation.h
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上传日期:2022-07-26
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- // spicerotation.h
- //
- // Rotation model interface to the SPICE Toolkit
- //
- // Copyright (C) 2008, Celestia Development Team
- // Initial implementation by Chris Laurel <claurel@gmail.com>
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public License
- // as published by the Free Software Foundation; either version 2
- // of the License, or (at your option) any later version.
- #ifndef _CELENGINE_SPICEROTATION_H_
- #define _CELENGINE_SPICEROTATION_H_
- #include <string>
- #include <list>
- #include <celmath/quaternion.h>
- #include <celengine/rotation.h>
- class SpiceRotation : public CachingRotationModel
- {
- public:
- SpiceRotation(const std::string& frameName,
- const std::string& baseFrameName,
- double period,
- double beginning,
- double ending);
- SpiceRotation(const std::string& frameName,
- const std::string& baseFrameName,
- double period);
- virtual ~SpiceRotation();
- bool init(const std::string& path,
- const std::list<std::string>* requiredKernels);
- bool isPeriodic() const;
- double getPeriod() const;
- // No notion of an equator for SPICE rotation models
- Quatd computeEquatorOrientation(double /* tdb */) const
- {
- return Quatd(1.0);
- }
- Quatd computeSpin(double jd) const;
- private:
- const std::string m_frameName;
- const std::string m_baseFrameName;
- double m_period;
- bool m_spiceErr;
- double m_validIntervalBegin;
- double m_validIntervalEnd;
- bool m_useDefaultTimeInterval;
- };
- #endif // _CELENGINE_SPICEROTATION_H_