WsfNORAD_Util Namespace Reference

A set of common "utility" structure definitions and functions for the WsfNORAD_SpaceMover class. More...

Classes
class	tle_t
struct	deep_arg_t
struct	init_t

Functions
double	FMod2p (const double x)
	FMod2p takes an angle and returns the modulo by 2*pi of that angle.
void	sxpx_common_init (double *params, const tle_t *tle, init_t *init, deep_arg_t *deep_arg)
void	sxpx_posn_vel (const double xnode, const double a, const double e, const double *params, const double cosio, const double sinio, const double xincl, const double omega, const double xl, double *pos, double *vel)
static double	ThetaG (double jd)
	ThetaG returns the right ascension of Greenwich for the given julian date.
void	Deep_dpinit (const tle_t *tle, deep_arg_t *deep_arg)
void	Deep_dpsec (const tle_t *tle, deep_arg_t *deep_arg)
void	Deep_dpper (deep_arg_t *deep_arg)

Variables
const double	e6a = 1.0E-6
const double	two_thirds = (2. / 3.)
const double	xj3 = -2.53881E-6
const double	xkmper = 6.378135E3
const double	xmnpda = 1440.
const double	ae = 1.0
const double	ck2 = 5.413079E-4
const double	ck4 = 6.2098875E-7
const double	s = 1.0122292801892716
const double	qoms2t = 1.8802791590152709e-9
const double	xke = 0.074366916133173408
const double	rho = 1.5696615E-1

Detailed Description

A set of common "utility" structure definitions and functions for the WsfNORAD_SpaceMover class.

Note

This documentation is for reference only. These structures and functions are, for the most part, to be used only by the WsfNORAD_SpaceMover class.

Function Documentation

Deep_dpinit()

void WsfNORAD_Util::Deep_dpinit	(	const tle_t *	tle,
		deep_arg_t *	deep_arg )

References deep_arg, WsfNORAD_Util::tle_t::eo, WsfNORAD_Util::tle_t::epoch, FMod2p(), WsfNORAD_Util::tle_t::omegao, thdt, ThetaG(), WsfNORAD_Util::tle_t::xincl, WsfNORAD_Util::tle_t::xmo, WsfNORAD_Util::tle_t::xnodeo, zel, zes, znl, and zns.

Deep_dpper()

void WsfNORAD_Util::Deep_dpper

(

deep_arg_t *

deep_arg

)

References deep_arg, FMod2p(), pi, twopi, zel, zes, znl, and zns.

Deep_dpsec()

void WsfNORAD_Util::Deep_dpsec	(	const tle_t *	tle,
		deep_arg_t *	deep_arg )

References deep_arg, WsfNORAD_Util::tle_t::eo, INTEGRATION_STEP, pi, thdt, and WsfNORAD_Util::tle_t::xincl.

FMod2p()

double WsfNORAD_Util::FMod2p

(

const double

x

)

FMod2p takes an angle and returns the modulo by 2*pi of that angle.

References twopi.

Referenced by Deep_dpinit(), Deep_dpper(), and sxpx_posn_vel().

sxpx_common_init()

void WsfNORAD_Util::sxpx_common_init	(	double *	params,
		const tle_t *	tle,
		init_t *	init,
		deep_arg_t *	deep_arg )

References WsfNORAD_Util::init_t::a3ovk2, ae, ao, aycof, WsfNORAD_Util::tle_t::bstar, c1, c4, ck2, ck4, WsfNORAD_Util::init_t::coef, WsfNORAD_Util::init_t::coef1, deep_arg, WsfNORAD_Util::tle_t::eo, WsfNORAD_Util::init_t::eta, WsfNORAD_Util::tle_t::omegao, qoms2t, s, WsfNORAD_Util::init_t::s4, t2cof, WsfNORAD_Util::init_t::tsi, two_thirds, x1mth2, x3thm1, x7thm1, WsfNORAD_Util::tle_t::xincl, xj3, xke, xkmper, xlcof, WsfNORAD_Util::tle_t::xno, and xnodcf.

sxpx_posn_vel()

void WsfNORAD_Util::sxpx_posn_vel	(	const double	xnode,
		const double	a,
		const double	e,
		const double *	params,
		const double	cosio,
		const double	sinio,
		const double	xincl,
		const double	omega,
		const double	xl,
		double *	pos,
		double *	vel )

References aycof, ck2, e6a, FMod2p(), pos, vel, x1mth2, x3thm1, x7thm1, xke, xkmper, and xlcof.

ThetaG()

double WsfNORAD_Util::ThetaG ( double jd )

static

ThetaG returns the right ascension of Greenwich for the given julian date.

References twopi.

Referenced by Deep_dpinit().

Variable Documentation

ae

const double WsfNORAD_Util::ae = 1.0

Referenced by sxpx_common_init().

ck2

const double WsfNORAD_Util::ck2 = 5.413079E-4

Referenced by sxpx_common_init(), and sxpx_posn_vel().

ck4

const double WsfNORAD_Util::ck4 = 6.2098875E-7

Referenced by sxpx_common_init().

e6a

const double WsfNORAD_Util::e6a = 1.0E-6

Referenced by sxpx_posn_vel().

qoms2t

const double WsfNORAD_Util::qoms2t = 1.8802791590152709e-9

Referenced by sxpx_common_init().

rho

const double WsfNORAD_Util::rho = 1.5696615E-1

s

const double WsfNORAD_Util::s = 1.0122292801892716

Referenced by sxpx_common_init().

two_thirds

const double WsfNORAD_Util::two_thirds = (2. / 3.)

Referenced by sxpx_common_init().

xj3

const double WsfNORAD_Util::xj3 = -2.53881E-6

Referenced by sxpx_common_init().

xke

const double WsfNORAD_Util::xke = 0.074366916133173408

Referenced by sxpx_common_init(), and sxpx_posn_vel().

xkmper

const double WsfNORAD_Util::xkmper = 6.378135E3

Referenced by sxpx_common_init(), and sxpx_posn_vel().

xmnpda

const double WsfNORAD_Util::xmnpda = 1440.