LTL: ltl::CCS_TAN Class Reference

LTL 2.0.x

Gnonomic CCS, TAN representation. More...

Inherits ltl::CCS.

Public Member Functions
	CCS_TAN (const FVector< double, 2 > &crpix_in, const FMatrix< double, 2, 2 > &pc_in, const FVector< double, 2 > &cdelt_in, const FVector< double, 2 > &crval_in)

virtual FVector< double, 2 >	x_nc (const FVector< double, 2 > &nc) const

virtual FVector< double, 2 >	nc_ (const FVector< double, 2 > &p) const
	calculate native coordinates $\theta$ , $\phi$ More...

virtual FVector< double, 2 >	solve (const FVector< double, 2 > &p) const
	calculate projection $\alpha$ , $\delta$ from given pixel(x, y) in deg More...

virtual FVector< double, 2 >	solve_inv (const FVector< double, 2 > &radec) const
	calculate pixel(x, y) in deg from given projection $\alpha$ , $\delta$ More...

FVector< double, 2 >	nc_cc (const FVector< double, 2 > &cc) const
	calculate native coordinates $\theta$ , $\phi$ in rad from celestial coordinates More...

FVector< double, 2 >	cc_ (const FVector< double, 2 > &nc) const
	calculate celestial coordinates $\alpha$ , $\delta$ from native coords in rad More...

FVector< double, N >	x_ (const FVector< double, N > &p) const
	return intermediate WCs More...

FVector< double, N >	p_ (const FVector< double, N > &x) const
	calculate orig. coordinates from intermed WCs (slow version!) More...

Static Protected Member Functions
static double	deg2rad (const double deg)

static double	rad2deg (const double rad)

static double	cosdeg (double deg)

static double	sindeg (double deg)

Protected Attributes
double	phi_0
	angles in rad More...

double	theta_0

double	alpha_0

double	delta_0

double	phi_p

double	theta_p

double	alpha_p

double	delta_p

double	c_dp

double	s_dp

FVector< double, N >	crpix_

FMatrix< double, N, N >	pc_

FVector< double, N >	cdelt_

Detailed Description

Gnonomic CCS, TAN representation.

Constructor & Destructor Documentation

ltl::CCS_TAN::CCS_TAN	(	const FVector< double, 2 > &	crpix_in,
		const FMatrix< double, 2, 2 > &	pc_in,
		const FVector< double, 2 > &	cdelt_in,
		const FVector< double, 2 > &	crval_in
	)

inline

Member Function Documentation

virtual FVector<double, 2> ltl::CCS_TAN::x_nc ( const FVector< double, 2 > & nc ) const

inlinevirtual

Implements ltl::CCS.

References ltl::WCS< 2 >::rad2deg().

Referenced by solve_inv().

virtual FVector<double, 2> ltl::CCS_TAN::nc_ ( const FVector< double, 2 > & p ) const

inlinevirtual

calculate native coordinates $\theta$ , $\phi$

Implements ltl::CCS.

References ltl::WCS< 2 >::x_().

Referenced by solve().

virtual FVector<double, 2> ltl::CCS_TAN::solve ( const FVector< double, 2 > & p ) const

inlinevirtual

calculate projection $\alpha$ , $\delta$ from given pixel(x, y) in deg

Implements ltl::CCS.

References ltl::CCS::cc_(), and nc_().

virtual FVector<double, 2> ltl::CCS_TAN::solve_inv ( const FVector< double, 2 > & radec ) const

inlinevirtual

calculate pixel(x, y) in deg from given projection $\alpha$ , $\delta$

Implements ltl::CCS.

References ltl::CCS::nc_cc(), ltl::WCS< 2 >::p_(), and x_nc().

FVector<double, 2> ltl::CCS::nc_cc ( const FVector< double, 2 > & cc ) const

inlineinherited

calculate native coordinates $\theta$ , $\phi$ in rad from celestial coordinates

References ltl::CCS::alpha_p, ltl::CCS::c_dp, ltl::CCS::phi_p, and ltl::CCS::s_dp.

Referenced by solve_inv().

FVector<double, 2> ltl::CCS::cc_ ( const FVector< double, 2 > & nc ) const

inlineinherited

calculate celestial coordinates $\alpha$ , $\delta$ from native coords in rad

References ltl::CCS::alpha_p, ltl::CCS::c_dp, ltl::CCS::phi_p, and ltl::CCS::s_dp.

Referenced by solve().

FVector<double, N> ltl::WCS< N >::x_ ( const FVector< double, N > & p ) const

inlineinherited

return intermediate WCs

References ltl::WCS< N >::cdelt_, ltl::WCS< N >::crpix_, and ltl::WCS< N >::pc_.

Referenced by nc_().

FVector<double, N> ltl::WCS< N >::p_ ( const FVector< double, N > & x ) const

inlineinherited

calculate orig. coordinates from intermed WCs (slow version!)

References ltl::WCS< N >::cdelt_, ltl::WCS< N >::crpix_, ltl::WCS< N >::pc_, and ltl::GaussJ< T, N >::solve().

Referenced by solve_inv().

static double ltl::WCS< N >::deg2rad ( const double deg )

inlinestaticprotectedinherited

static double ltl::WCS< N >::rad2deg ( const double rad )

inlinestaticprotectedinherited

Referenced by x_nc().

static double ltl::WCS< N >::cosdeg ( double deg )

inlinestaticprotectedinherited

References ltl::WCS< N >::deg2rad().

static double ltl::WCS< N >::sindeg ( double deg )

inlinestaticprotectedinherited

References ltl::WCS< N >::deg2rad().

Member Data Documentation

double ltl::CCS::phi_0

protectedinherited

angles in rad

double ltl::CCS::theta_0

protectedinherited

double ltl::CCS::alpha_0

protectedinherited

double ltl::CCS::delta_0

protectedinherited

double ltl::CCS::phi_p

protectedinherited

Referenced by ltl::CCS::cc_(), and ltl::CCS::nc_cc().

double ltl::CCS::theta_p

protectedinherited

double ltl::CCS::alpha_p

protectedinherited

Referenced by ltl::CCS::cc_(), and ltl::CCS::nc_cc().

double ltl::CCS::delta_p

protectedinherited

double ltl::CCS::c_dp

protectedinherited

Referenced by ltl::CCS::cc_(), and ltl::CCS::nc_cc().

double ltl::CCS::s_dp

protectedinherited

Referenced by ltl::CCS::cc_(), and ltl::CCS::nc_cc().

FVector<double, N> ltl::WCS< N >::crpix_

protectedinherited

FMatrix<double, N, N> ltl::WCS< N >::pc_

protectedinherited

FVector<double, N> ltl::WCS< N >::cdelt_

protectedinherited