ephemeris.cpp File Reference

#include <prefix/dtcoreprefix-src.h>
#include <dtCore/ephemeris.h>
#include <osg/Math>
#include <cmath>

Functions
template<typename T>
T	hrrad (T x)
template<typename T>
T	radhr (T x)
static void	GetAnomaly (double ma, double s, double *nu, double *ea)
static void	range (double *v, double r)
static void	sunpos (double mjd, double *lsn, double *rsn)
static void	CalcMJD (int mn, double dy, int yr, double *mjd)
static void	CalcCalFromMJD (double mjd, int *mn, double *dy, int *yr)
static double	tnaught (double mjd)
static double	GetGST (double mjd, double utc)
static double	GetMidday (double jd)
static double	GetHour (double jd)
static double	GetLST (double mjd, double longitude)
static void	CalcParallax (double tha, double tdec, double phi, double ht, double ehp, double *aha, double *adec)
static void	aaha_aux (double lat, double x, double y, double *p, double *q)
static void	CalcAltAz (double lat, double ha, double dec, double *alt, double *az)
static void	equitorial_aux (int sw, double mjd, double x, double y, double *p, double *q)
static void	CalcEquitorialRaDec (double mjd, double lat, double lng, double *ra, double *dec)
static void	sun_pos (Now *np, double *altitude, double *azimuth)
static double	GetMJD (time_t GMT)
	Given a GMT, convert it to a Modified Julian Date.
DT_CORE_EXPORT void	dtCore::GetSunPos (time_t time, double lat, double lon, double elev, double *sun_alt, double *sun_az)
	Get the Sun's alt and azimuth based on date/time, eyepoint lat,long, elev.
DT_CORE_EXPORT time_t	dtCore::GetGMT (int year, int month, int day, int hour, int min, int sec)
	Get the Greenwich Mean Time for the give day and time.

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Function Documentation

static void aaha_aux	(	double	lat,
		double	x,
		double	y,
		double *	p,
		double *	q
	)			[static]

static void CalcAltAz	(	double	lat,
		double	ha,
		double	dec,
		double *	alt,
		double *	az
	)			[static]

static void CalcCalFromMJD	(	double	mjd,
		int *	mn,
		double *	dy,
		int *	yr
	)			[static]

static void CalcEquitorialRaDec	(	double	mjd,
		double	lat,
		double	lng,
		double *	ra,
		double *	dec
	)			[static]

static void CalcMJD	(	int	mn,
		double	dy,
		int	yr,
		double *	mjd
	)			[static]

static void CalcParallax	(	double	tha,
		double	tdec,
		double	phi,
		double	ht,
		double	ehp,
		double *	aha,
		double *	adec
	)			[static]

static void equitorial_aux	(	int	sw,
		double	mjd,
		double	x,
		double	y,
		double *	p,
		double *	q
	)			[static]

static void GetAnomaly	(	double	ma,
		double	s,
		double *	nu,
		double *	ea
	)			[static]

static double GetGST	(	double	mjd,
		double	utc
	)			[static]

static double GetHour

(

double

jd

)

[static]

static double GetLST	(	double	mjd,
		double	longitude
	)			[static]

static double GetMidday

(

double

jd

)

[static]

static double GetMJD

(

time_t

GMT

)

[static]

Given a GMT, convert it to a Modified Julian Date.

template<typename T>

T hrrad

(

T

x

)

[inline]

template<typename T>

T radhr

(

T

x

)

[inline]

static void range	(	double *	v,
		double	r
	)			[static]

static void sun_pos	(	Now *	np,
		double *	altitude,
		double *	azimuth
	)			[static]

static void sunpos	(	double	mjd,
		double *	lsn,
		double *	rsn
	)			[static]

static double tnaught

(

double

mjd

)

[static]

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