Kstars
skypoint.h
56 SkyPoint(const CachingDms &r, const CachingDms &d) : RA0(r), Dec0(d), RA(r), Dec(d), lastPrecessJD(J2000) {}
67 explicit SkyPoint(double r, double d) : RA0(r * 15.0), Dec0(d), RA(r * 15.0), Dec(d), lastPrecessJD(J2000) {}
301 * @note Question: is it better to use alt or refracted alt? Minor difference, probably doesn't matter.
383 virtual void updateCoords(const KSNumbers *num, bool includePlanets = true, const CachingDms *lat = nullptr,
387 * @brief updateCoordsNow Shortcut for updateCoords( const KSNumbers *num, false, nullptr, nullptr, true)
577 * Computes the radial velocity of a source referred to the Local Standard of Rest, also known as VLSR
666 * @note If conditional is false, this method returns its argument unmodified. This is a convenience feature as it is often needed to gate these corrections.
677 * @note If conditional is false, this method returns its argument unmodified. This is a convenience feature as it is often needed to gate these corrections.
704 * @param p SkyPoint whose altitude is to be computed (const pointer, the method works on a clone)
708 * @return a dms containing (unrefracted?) altitude of the object at dt + hour hours at the given location
713 static dms findAltitude(const SkyPoint *p, const KStarsDateTime &dt, const GeoLocation *geo, const double hour = 0);
719 static SkyPoint timeTransformed(const SkyPoint *p, const KStarsDateTime &dt, const GeoLocation *geo,
a dms subclass that caches its sine and cosine values every time the angle is changed.
Definition cachingdms.h:19
void setD(const double &x) override
Sets the angle in degrees supplied as a double.
Definition cachingdms.h:59
void setH(const double &x) override
Sets the angle in hours, supplied as a double.
Definition cachingdms.h:91
Contains all relevant information for specifying a location on Earth: City Name, State/Province name,...
Definition geolocation.h:28
There are several time-dependent values used in position calculations, that are not specific to an ob...
Definition ksnumbers.h:43
Extension of QDateTime for KStars KStarsDateTime can represent the date/time as a Julian Day,...
Definition kstarsdatetime.h:36
double maxAlt(const dms &lat) const
Return the object's altitude at the upper culmination for the given latitude.
Definition skypoint.cpp:1136
void apparentCoord(long double jd0, long double jdf)
Computes the apparent coordinates for this SkyPoint for any epoch, accounting for the effects of prec...
Definition skypoint.cpp:700
static double refract(const double alt, bool conditional=true)
Apply refraction correction to altitude, depending on conditional.
Definition skypoint.cpp:1070
static const double altCrit
Critical height for atmospheric refraction corrections.
Definition skypoint.h:727
void aberrate(const KSNumbers *num, bool reverse=false)
Determine the effects of aberration for this SkyPoint.
Definition skypoint.cpp:454
void precessFromAnyEpoch(long double jd0, long double jdf)
General case of precession.
Definition skypoint.cpp:625
static double refractionCorr(double alt)
Calculate refraction correction.
Definition skypoint.cpp:1065
void setAltRefracted(dms alt_apparent)
Sets the apparent altitude, checking whether refraction corrections are enabled.
Definition skypoint.cpp:1055
SkyPoint(const dms &r, const dms &d)
Default constructor: Sets RA, Dec and RA0, Dec0 according to arguments.
Definition skypoint.h:54
double minAlt(const dms &lat) const
Return the object's altitude at the lower culmination for the given latitude.
Definition skypoint.cpp:1144
double vREarth(long double jd0)
Computes the velocity of any object projected on the direction of the source.
Definition skypoint.cpp:982
bool checkCircumpolar(const dms *gLat) const
Check if this point is circumpolar at the given geographic latitude.
Definition skypoint.cpp:1045
virtual void updateCoordsNow(const KSNumbers *num)
updateCoordsNow Shortcut for updateCoords( const KSNumbers *num, false, nullptr, nullptr,...
Definition skypoint.h:391
static dms findAltitude(const SkyPoint *p, const KStarsDateTime &dt, const GeoLocation *geo, const double hour=0)
Compute the altitude of a given skypoint hour hours from the given date/time.
Definition skypoint.cpp:1111
void setAlt(double alt)
Overloaded member function, provided for convenience.
Definition skypoint.h:220
void precess(const KSNumbers *num)
Precess this SkyPoint's catalog coordinates to the epoch described by the given KSNumbers object.
Definition skypoint.cpp:223
static SkyPoint timeTransformed(const SkyPoint *p, const KStarsDateTime &dt, const GeoLocation *geo, const double hour=0)
returns a time-transformed SkyPoint.
Definition skypoint.cpp:1121
void findEcliptic(const CachingDms *Obliquity, dms &EcLong, dms &EcLat)
Determine the Ecliptic coordinates of the SkyPoint, given the Julian Date.
Definition skypoint.cpp:187
void addEterms(void)
Coordinates in the FK4 catalog include the effect of aberration due to the ellipticity of the orbit o...
Definition skypoint.cpp:883
double vGeoToVHelio(double vgeo, long double jd)
Computes the radial velocity of a source referred to the solar system barycenter from the velocity re...
Definition skypoint.cpp:1020
void nutate(const KSNumbers *num, const bool reverse=false)
Apply the effects of nutation to this SkyPoint.
Definition skypoint.cpp:275
dms angularDistanceTo(const SkyPoint *sp, double *const positionAngle=nullptr) const
Computes the angular distance between two SkyObjects.
Definition skypoint.cpp:899
double vTopoToVGeo(double vtopo, double vsite[3])
Computes the radial velocity of a source referred to the center of the Earth from the radial velocity...
Definition skypoint.cpp:1035
void B1950ToJ2000(void)
Exact precession from Besselian epoch 1950 to epoch J2000.
Definition skypoint.cpp:773
bool bendlight()
Correct for the effect of "bending" of light around the sun for positions near the sun.
Definition skypoint.cpp:425
void setFromEcliptic(const CachingDms *Obliquity, const dms &EcLong, const dms &EcLat)
Set the current (RA, Dec) coordinates of the SkyPoint, given pointers to its Ecliptic (Long,...
Definition skypoint.cpp:201
SkyPoint moveAway(const SkyPoint &from, double dist) const
Find the SkyPoint obtained by moving distance dist (arcseconds) away from the givenSkyPoint.
Definition skypoint.cpp:371
void EquatorialToHorizontal(const CachingDms *LST, const CachingDms *lat)
Determine the (Altitude, Azimuth) coordinates of the SkyPoint from its (RA, Dec) coordinates,...
Definition skypoint.cpp:77
double vRSite(double vsite[3])
Computes the velocity of any object (observer's site) projected on the direction of the source.
Definition skypoint.cpp:1025
static double unrefract(const double alt, bool conditional=true)
Remove refraction correction, depending on conditional.
Definition skypoint.cpp:1091
double vRSun(long double jd)
Computes the velocity of the Sun projected on the direction of the source.
Definition skypoint.cpp:934
virtual void updateCoords(const KSNumbers *num, bool includePlanets=true, const CachingDms *lat=nullptr, const CachingDms *LST=nullptr, bool forceRecompute=false)
Determine the current coordinates (RA, Dec) from the catalog coordinates (RA0, Dec0),...
Definition skypoint.cpp:582
void set(const dms &r, const dms &d)
Sets RA, Dec and RA0, Dec0 according to arguments.
Definition skypoint.cpp:63
double vTopocentric(double vgeo, double vsite[3])
Computes the radial velocity of a source referred to the observer site on the surface of the earth fr...
Definition skypoint.cpp:1040
static dms unrefract(const dms alt, bool conditional=true)
Remove refraction correction.
Definition skypoint.h:696
double vHeliocentric(double vlsr, long double jd)
Computes the radial velocity of a source referred to the solar system barycenter from the radial velo...
Definition skypoint.cpp:972
static dms refract(const dms alt, bool conditional=true)
Apply refraction correction to altitude.
Definition skypoint.h:686
SkyPoint(double r, double d)
Alternate constructor using double arguments, for convenience.
Definition skypoint.h:67
void HorizontalToEquatorial(const dms *LST, const dms *lat)
Determine the (RA, Dec) coordinates of the SkyPoint from its (Altitude, Azimuth) coordinates,...
Definition skypoint.cpp:143
bool checkBendLight()
Check if this sky point is close enough to the sun for gravitational lensing to be significant.
Definition skypoint.cpp:399
void setDec0(double d)
Overloaded member function, provided for convenience.
Definition skypoint.h:134
SkyPoint Eterms(void)
Determine the E-terms of aberration In the past, the mean places of stars published in catalogs inclu...
Definition skypoint.cpp:868
void GalacticToEquatorial1950(const dms *galLong, const dms *galLat)
Computes equatorial coordinates referred to 1950 from galactic ones referred to epoch B1950.
Definition skypoint.cpp:754
double vGeocentric(double vhelio, long double jd)
Computes the radial velocity of a source referred to the center of the earth from the radial velocity...
Definition skypoint.cpp:1015
void J2000ToB1950(void)
Exact precession from epoch J2000 Besselian epoch 1950.
Definition skypoint.cpp:819
double vHelioToVlsr(double vhelio, long double jd)
Computes the radial velocity of a source referred to the Local Standard of Rest, also known as VLSR f...
Definition skypoint.cpp:977
void subtractEterms(void)
Coordinates in the FK4 catalog include the effect of aberration due to the ellipticity of the orbit o...
Definition skypoint.cpp:891
bool isValid() const
isValid Check if the RA and DE fall within expected range
Definition skypoint.h:312
SkyPoint catalogueCoord(long double jdf)
Computes the J2000.0 catalogue coordinates for this SkyPoint using the epoch removing aberration,...
Definition skypoint.cpp:710
void Equatorial1950ToGalactic(dms &galLong, dms &galLat)
Computes galactic coordinates from equatorial coordinates referred to epoch 1950.
Definition skypoint.cpp:735
dms parallacticAngle(const CachingDms &LST, const CachingDms &lat)
Return the Parallactic Angle.
Definition skypoint.cpp:1152
SkyPoint deprecess(const KSNumbers *num, long double epoch=J2000)
Obtain a Skypoint with RA0 and Dec0 set from the RA, Dec of this skypoint.
Definition skypoint.cpp:257
virtual void setD(const double &x)
Sets floating-point value of angle, in degrees.
Definition dms.h:179
KCALENDARCORE_EXPORT QDataStream & operator>>(QDataStream &in, const KCalendarCore::Alarm::Ptr &)
KCALENDARCORE_EXPORT QDataStream & operator<<(QDataStream &out, const KCalendarCore::Alarm::Ptr &)
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Documentation copyright © 1996-2024 The KDE developers.
Generated on Mon Nov 4 2024 16:38:44 by doxygen 1.12.0 written by Dimitri van Heesch, © 1997-2006
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