StelObserver.hpp   StelObserver.hpp 
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StelObserver(const StelLocation& loc); StelObserver(const StelLocation& loc);
~StelObserver(); ~StelObserver();
//! Update StelObserver info if needed. Default implementation does nothing. //! Update StelObserver info if needed. Default implementation does nothing.
virtual void update(double) {;} virtual void update(double) {;}
//! Get the position of the home planet center in the heliocentric V SOP87 frame in AU //! Get the position of the home planet center in the heliocentric V SOP87 frame in AU
Vec3d getCenterVsop87Pos(void) const; Vec3d getCenterVsop87Pos(void) const;
//! Get the distance between observer and home planet center in AU //! Get the distance between observer and home planet center in AU
double getDistanceFromCenter(void) const; double getDistanceFromCenter(void) const;
Mat4d getRotAltAzToEquatorial(double jd) const;
//! returns rotation matrix for conversion of alt-azimuthal to equat
orial coordinates
//! For Earth we need JD(UT), for other planets JDE! To be general,
just have both in here!
Mat4d getRotAltAzToEquatorial(double JD, double JDE) const;
Mat4d getRotEquatorialToVsop87(void) const; Mat4d getRotEquatorialToVsop87(void) const;
virtual const QSharedPointer<Planet> getHomePlanet(void) const; virtual const QSharedPointer<Planet> getHomePlanet(void) const;
//! Get the informations on the current location //! Get the informations on the current location
virtual const StelLocation& getCurrentLocation() const {return curre ntLocation;} virtual const StelLocation& getCurrentLocation() const {return curre ntLocation;}
//! Get whether the life of this observer is over, and therefore tha t it should be changed to the next one //! Get whether the life of this observer is over, and therefore tha t it should be changed to the next one
//! provided by the getNextObserver() method //! provided by the getNextObserver() method
virtual bool isObserverLifeOver() const {return false;} virtual bool isObserverLifeOver() const {return false;}
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