AffineTransform Class Reference

Public Member Functions

• AffineTransform (const float a, const float b, const float c, const float d, const float v1, const float v2)

  Initialize with 4 matrix elements and a translation vector.
  

• AffineTransform (const float *a, const float *v)
• AffineTransform (const float *a)
• float map_forward_x (const float x, const float y) const

  forward mapping, Jacobian
  

• float map_forward_y (const float x, const float y) const
• float get_forward_J (const float x, const float y, const float dx, const float dy) const
• float map_inverse_x (const float u, const float v) const

  inverse mapping, Jacobian
  

• float map_inverse_y (const float u, const float v) const
• float get_inverse_J (const float u, const float v, const float du, const float dv) const

Protected Member Functions

• void init (const float a, const float b, const float c, const float d, const float v1, const float v2)

Protected Attributes

• float p11_
• float p12_
• float p21_
• float p22_
• float q11_
• float q12_
• float q21_
• float q22_
• float v1_
• float v2_
• float w1_
• float w2_
• float Jforward_

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Detailed Description

Generic 2D linear transform, compatible with the Resampler class. Distortion implements the same interface and provides genereic non-linear transform functionality.

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Constructor & Destructor Documentation

AffineTransform::AffineTransform	(	const float	a,
		const float	b,
		const float	c,
		const float	d,
		const float	v1,
		const float	v2
	)			[inline]

References init().

AffineTransform::AffineTransform	(	const float *	a,
		const float *	v
	)			[inline]

References init().

AffineTransform::AffineTransform

(

const float *

a

)

[inline]

References init().

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Member Function Documentation

float AffineTransform::map_forward_x	(	const float	x,
		const float	y
	)			const [inline]

References p11_, p12_, and v1_.

float AffineTransform::map_forward_y	(	const float	x,
		const float	y
	)			const [inline]

References p21_, p22_, and v2_.

float AffineTransform::get_forward_J	(	const float	x,
		const float	y,
		const float	dx,
		const float	dy
	)			const [inline]

References Jforward_.

float AffineTransform::map_inverse_x	(	const float	u,
		const float	v
	)			const [inline]

References q11_, q12_, and w1_.

float AffineTransform::map_inverse_y	(	const float	u,
		const float	v
	)			const [inline]

References q21_, q22_, and w2_.

float AffineTransform::get_inverse_J	(	const float	u,
		const float	v,
		const float	du,
		const float	dv
	)			const [inline]

References Jforward_.

void AffineTransform::init	(	const float	a,
		const float	b,
		const float	c,
		const float	d,
		const float	v1,
		const float	v2
	)			[inline, protected]

References Jforward_, p11_, p12_, p21_, p22_, q11_, q12_, q21_, q22_, v1_, v2_, w1_, and w2_.

Referenced by AffineTransform().

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Field Documentation

float AffineTransform::p11_ [protected]

Referenced by init(), and map_forward_x().

float AffineTransform::p12_ [protected]

Referenced by init(), and map_forward_x().

float AffineTransform::p21_ [protected]

Referenced by init(), and map_forward_y().

float AffineTransform::p22_ [protected]

Referenced by init(), and map_forward_y().

float AffineTransform::q11_ [protected]

Referenced by init(), and map_inverse_x().

float AffineTransform::q12_ [protected]

Referenced by init(), and map_inverse_x().

float AffineTransform::q21_ [protected]

Referenced by init(), and map_inverse_y().

float AffineTransform::q22_ [protected]

Referenced by init(), and map_inverse_y().

float AffineTransform::v1_ [protected]

Referenced by init(), and map_forward_x().

float AffineTransform::v2_ [protected]

Referenced by init(), and map_forward_y().

float AffineTransform::w1_ [protected]

Referenced by init(), and map_inverse_x().

float AffineTransform::w2_ [protected]

Referenced by init(), and map_inverse_y().

float AffineTransform::Jforward_ [protected]

Referenced by get_forward_J(), get_inverse_J(), and init().