Sun Class Reference

Position of the sun in the sky. More...

#include <sun.h>

Static Public Member Functions
static void	Angles (const double &, const double &, int, int, int, const double &, double &, double &)
	Compute azimuth and altitude angles of Sun given a location and datetime.

Static Protected Member Functions
static double	Day (int, int, int, double)
	Get the days to J2000.
static double	f0 (double, double)
	Compute the hour-angle.
static double	FNsun (double, double &, double &, double &)

Detailed Description

Position of the sun in the sky.

Member Function Documentation

Angles()

void Sun::Angles ( const double & latit, const double & longit, int year, int month, int day, const double & hour, double & azim, double & altit )

static

Compute azimuth and altitude angles of Sun given a location and datetime.

Azimuth is measured in degrees clockwise from north. Elevation is measured in degrees up from the horizon.

Parameters

latit,longit	Latitude and longitude.
year,month,day,hour	Explicit.
azim,altit	Returned azimth and altitude.

Day()

double Sun::Day ( int y, int m, int d, double h )

staticprotected

Get the days to J2000.

Only works between 1901 to 2099.

Parameters

h	Universal time, in decimal hours.
y,m,d	Year, month and day.

f0()

double Sun::f0 ( double lat, double declin )

staticprotected

Compute the hour-angle.

Parameters

lat,declin

Latitude and declination.

FNsun()

double Sun::FNsun ( double d, double & L, double & RA, double & delta )

staticprotected

Compute the ecliptic longitude of the sun.