LanczosInterpolator Class Reference

2D interpolator using Lanczos kernel

Public Member Functions

• LanczosInterpolator (const int extent)
• float interpolate (const MArray< float, 2 > &I, const float x, const float y) const
• int get_extent () const
• int get_size () const

Protected Member Functions

• float lanczos (float x) const

Protected Attributes

• const int extent_
• const int size_

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Constructor & Destructor Documentation

LanczosInterpolator::LanczosInterpolator

(

const int

extent

)

[inline]

---

Member Function Documentation

float LanczosInterpolator::interpolate	(	const MArray< float, 2 > &	I,
		const float	x,
		const float	y
	)			const [inline]

Interpolate I in the vicinity of the pixel I(0,0), at x,y, where x and y are in -0.5 .. 0.5 The MArray I must have the same size as the interpolator object

References extent_, lanczos(), and size_.

int LanczosInterpolator::get_extent

(

)

const [inline]

References extent_.

int LanczosInterpolator::get_size

(

)

const [inline]

References size_.

float LanczosInterpolator::lanczos

(

float

x

)

const [inline, protected]

Referenced by interpolate().

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Field Documentation

const int LanczosInterpolator::extent_ [protected]

Referenced by get_extent(), and interpolate().

const int LanczosInterpolator::size_ [protected]

Referenced by get_size(), and interpolate().