Continuum Class Reference

Public Member Functions

• Continuum (const MArray< float, 2 > &Data, const MArray< float, 2 > &Data_err, const Distortion &D, const FiberModel &F)
• Continuum (const Continuum &other)
• virtual ~Continuum ()
• MArray< float, 1 > get_sn_fiber () const
• MArray< float, 2 > get_continua (const float maxdist, MArray< float, 2 > &error) const
• void smooth_continua (MArray< float, 2 > &Cont, MArray< float, 2 > &Err, const int window) const
• MArray< float, 2 > subtract_continuum (const MArray< float, 2 > &SmoothedCont) const

Protected Member Functions

• MArray< float, 1 > smooth_spectrum_average (const MArray< float, 1 > &Data, const int window) const
• MArray< float, 1 > smooth_spectrum_median (const MArray< float, 1 > &Data, const int window, const float kappa) const
• MArray< float, 1 > smooth_spectrum_spline (const MArray< float, 1 > &Data, const MArray< float, 1 > &w, const float wavelength) const

Protected Attributes

• const MArray< float, 2 > Data_

  DATA MEMBERS.
  

• const MArray< float, 2 > Data_err_
• const Distortion D_
• const FiberModel F_

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Detailed Description

Construct (smoothed) estimates of the total flux per fiber in one VIRUS frame. Subtract this continuum estimate from a 2D data frame.

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Constructor & Destructor Documentation

Continuum::Continuum	(	const MArray< float, 2 > &	Data,
		const MArray< float, 2 > &	Data_err,
		const Distortion &	D,
		const FiberModel &	F
	)			[inline]

Continuum::Continuum

(

const Continuum &

other

)

virtual Continuum::~Continuum

(

)

[inline, virtual]

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Member Function Documentation

MArray< float, 1 > Continuum::get_sn_fiber

(

)

const

Calculate and return the total S/N in each fiber.

References D_, Data_, Data_err_, Distortion::get_reference_f(), and Distortion::map_xy_fibernum().

Referenced by find_continuum_sources().

MArray< float, 2 > Continuum::get_continua	(	const float	maxdist,
		MArray< float, 2 > &	error
	)			const

Calculate a spectrum of each fiber, and return in a Nx by nfibers array. Only pixels close to the center of the fiber are used.

Collapse and add the spectrum of each fiber, and return in a Nx by nfibers array.

References D_, Data_, Data_err_, F_, Distortion::get_reference_f(), FiberModel::get_single_fiberprofile(), Distortion::map_xy_fiber(), and Distortion::map_xy_fibernum().

Referenced by VFrame::calc_continua(), and main().

void Continuum::smooth_continua	(	MArray< float, 2 > &	Cont,
		MArray< float, 2 > &	Err,
		const int	window
	)			const

Calculate a smoothed version of the input spectrum.

Calculate a smoothed version of the spectrum of each fiber, and return in a Nx by nfibers array.

References smooth_spectrum_average(), and smooth_spectrum_median().

Referenced by VFrame::calc_continua(), and main().

MArray< float, 2 > Continuum::subtract_continuum

(

const MArray< float, 2 > &

SmoothedCont

)

const

Return a continuum-subtracted version of the science frame we are holding a reference to

References D_, Data_, F_, FiberModel::get_single_fiberprofile(), and Distortion::map_xy_fibernum().

Referenced by main(), and VFrame::subtract_continua().

MArray< float, 1 > Continuum::smooth_spectrum_average	(	const MArray< float, 1 > &	Data,
		const int	window
	)			const [protected]

bosxcar-average smooth a 1D spectrum

boxcar-average smooth a 1D spectrum

Referenced by smooth_continua().

MArray< float, 1 > Continuum::smooth_spectrum_median	(	const MArray< float, 1 > &	Data,
		const int	window,
		const float	kappa
	)			const [protected]

Kappa-sigma clipping smooth a 1D spectrum

Referenced by smooth_continua().

MArray< float, 1 > Continuum::smooth_spectrum_spline	(	const MArray< float, 1 > &	Data,
		const MArray< float, 1 > &	w,
		const float	wavelength
	)			const [protected]

Spline-smooth a 1D spectrum

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Field Documentation

const MArray<float,2> Continuum::Data_ [protected]

Referenced by get_continua(), get_sn_fiber(), and subtract_continuum().

const MArray<float,2> Continuum::Data_err_ [protected]

Referenced by get_continua(), and get_sn_fiber().

const Distortion Continuum::D_ [protected]

Referenced by get_continua(), get_sn_fiber(), and subtract_continuum().

const FiberModel Continuum::F_ [protected]

Referenced by get_continua(), and subtract_continuum().