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Diffstat (limited to 'kstars/kstars/ksasteroid.h')
| -rw-r--r-- | kstars/kstars/ksasteroid.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/kstars/kstars/ksasteroid.h b/kstars/kstars/ksasteroid.h new file mode 100644 index 00000000..a1fa12c2 --- /dev/null +++ b/kstars/kstars/ksasteroid.h @@ -0,0 +1,101 @@ +/*************************************************************************** + ksasteroid.h - K Desktop Planetarium + ------------------- + begin : Wed 19 Feb 2003 + copyright : (C) 2001 by Jason Harris + email : jharris@30doradus.org + ***************************************************************************/ + +/*************************************************************************** + * * + * 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 KSASTEROID_H +#define KSASTEROID_H + +#include "ksplanetbase.h" + +/**@class KSAsteroid + *@short A subclass of KSPlanetBase that implements asteroids. + * + *The orbital elements are stored as private member variables, and it + *provides methods to compute the ecliptic coordinates for any time + *from the orbital elements. + * + *The orbital elements are: + *@li JD Epoch of element values + *@li a semi-major axis length (AU) + *@li e eccentricity of orbit + *@li i inclination angle (with respect to J2000.0 ecliptic plane) + *@li w argument of perihelion (w.r.t. J2000.0 ecliptic plane) + *@li N longitude of ascending node (J2000.0 ecliptic) + *@li M mean anomaly at epoch JD + *@li H absolute magnitude + * + *@author Jason Harris + *@version 1.0 + */ + +class KStarsData; +class KSNumbers; +class dms; + +class KSAsteroid : public KSPlanetBase +{ + public: + /**Constructor. + *@p kd pointer to the KStarsData object + *@p s the name of the asteroid + *@p image_file the filename for an image of the asteroid + *@p JD the Julian Day for the orbital elements + *@p a the semi-major axis of the asteroid's orbit (AU) + *@p e the eccentricity of the asteroid's orbit + *@p i the inclination angle of the asteroid's orbit + *@p w the argument of the orbit's perihelion + *@p N the longitude of the orbit's ascending node + *@p M the mean anomaly for the Julian Day + *@p H absolute magnitude + */ + KSAsteroid( KStarsData *kd, QString s, QString image_file, + long double JD, double a, double e, dms i, dms w, dms N, dms M, double H ); + + /**Destructor (empty)*/ + virtual ~KSAsteroid() {} + + /**This is inherited from KSPlanetBase. We don't use it in this class, + *so it is empty. + */ + virtual bool loadData(); + + protected: +/**Calculate the geocentric RA, Dec coordinates of the Asteroid. + *@note reimplemented from KSPlanetBase + *@param num time-dependent values for the desired date + *@param Earth planet Earth (needed to calculate geocentric coords) + *@return true if position was successfully calculated. + */ + virtual bool findGeocentricPosition( const KSNumbers *num, const KSPlanetBase *Earth=NULL ); + + //these set functions are needed for the new KSPluto subclass + void set_a( double newa ) { a = newa; } + void set_e( double newe ) { e = newe; } + void set_P( double newP ) { P = newP; } + void set_i( double newi ) { i.setD( newi ); } + void set_w( double neww ) { w.setD( neww ); } + void set_M( double newM ) { M.setD( newM ); } + void set_N( double newN ) { N.setD( newN ); } + void setJD( long double jd ) { JD = jd; } + + private: + KStarsData *kd; + long double JD; + double a, e, H, P; + dms i, w, M, N; +}; + +#endif |