ltl::CCS_TAN Class Reference

Gnonomic CCS, TAN representation. More...

Inherits ltl::CCS.

List of all members.

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 ,
  

• virtual FVector< double, 2 > solve (const FVector< double, 2 > &p) const

  calculate projection , from given pixel(x, y) in deg
  

• virtual FVector< double, 2 > solve_inv (const FVector< double, 2 > &radec) const

  calculate pixel(x, y) in deg from given projection ,
  

• FVector< double, 2 > nc_cc (const FVector< double, 2 > &cc) const

  calculate native coordinates , in rad from celestial coordinates
  

• FVector< double, 2 > cc_ (const FVector< double, 2 > &nc) const

  calculate celestial coordinates , from native coords in rad
  

• FVector< double, N > x_ (const FVector< double, N > &p) const

  return intermediate WCs
  

• FVector< double, N > p_ (const FVector< double, N > &x) const

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

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
  

• 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_

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Detailed Description

Gnonomic CCS, TAN representation.

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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]

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Member Function Documentation

virtual FVector<double, 2> ltl::CCS_TAN::x_nc

(

const FVector< double, 2 > &

nc

)

const [inline, virtual]

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 [inline, virtual]

calculate native coordinates ,

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 [inline, virtual]

calculate projection , 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 [inline, virtual]

calculate pixel(x, y) in deg from given projection ,

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 [inline, inherited]

calculate native coordinates , 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 [inline, inherited]

calculate celestial coordinates , 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 [inline, inherited]

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 [inline, inherited]

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

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

Referenced by solve_inv().

static double ltl::WCS< N >::deg2rad

(

const double

deg

)

[inline, static, protected, inherited]

static double ltl::WCS< N >::rad2deg

(

const double

rad

)

[inline, static, protected, inherited]

Referenced by x_nc().

static double ltl::WCS< N >::cosdeg

(

double

deg

)

[inline, static, protected, inherited]

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

static double ltl::WCS< N >::sindeg

(

double

deg

)

[inline, static, protected, inherited]

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

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Member Data Documentation

double ltl::CCS::phi_0 [protected, inherited]

angles in rad

double ltl::CCS::theta_0 [protected, inherited]

double ltl::CCS::alpha_0 [protected, inherited]

double ltl::CCS::delta_0 [protected, inherited]

double ltl::CCS::phi_p [protected, inherited]

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

double ltl::CCS::theta_p [protected, inherited]

double ltl::CCS::alpha_p [protected, inherited]

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

double ltl::CCS::delta_p [protected, inherited]

double ltl::CCS::c_dp [protected, inherited]

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

double ltl::CCS::s_dp [protected, inherited]

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

FVector<double, N> ltl::WCS< N >::crpix_ [protected, inherited]

FMatrix<double, N, N> ltl::WCS< N >::pc_ [protected, inherited]

FVector<double, N> ltl::WCS< N >::cdelt_ [protected, inherited]