DICe::Image_Deformer Class Reference

base class that deformes an input image according to an analytical function More...

#include <DICe_ImageUtils.h>

Inheritance diagram for DICe::Image_Deformer:

Public Member Functions
	Image_Deformer (const scalar_t &rel_factor_disp, const scalar_t &rel_factor_strain)
	constructor
virtual void	compute_deformation (const scalar_t &coord_x, const scalar_t &coord_y, scalar_t &bx, scalar_t &by)
virtual void	compute_deriv_deformation (const scalar_t &coord_x, const scalar_t &coord_y, scalar_t &bxx, scalar_t &bxy, scalar_t &byx, scalar_t &byy)
Teuchos::RCP< Image >	deform_image (Teuchos::RCP< Image > ref_image)
void	compute_displacement_error (const scalar_t &coord_x, const scalar_t &coord_y, const scalar_t &sol_x, const scalar_t &sol_y, scalar_t &error_x, scalar_t &error_y, const bool use_mag=false, const bool relative=true)
void	compute_lagrange_strain_error (const scalar_t &coord_x, const scalar_t &coord_y, const scalar_t &sol_xx, const scalar_t &sol_xy, const scalar_t &sol_yy, scalar_t &error_xx, scalar_t &error_xy, scalar_t &error_yy, const bool use_mag=false, const bool relative=true)
void	compute_lagrange_strain (const scalar_t &coord_x, const scalar_t &coord_y, scalar_t &strain_xx, scalar_t &strain_xy, scalar_t &strain_yy)

Private Attributes
scalar_t	rel_factor_disp_
	factor to use when computing the relative values of disp error
scalar_t	rel_factor_strain_
	factor to use when computing the relative values of strain error

Detailed Description

base class that deformes an input image according to an analytical function

Member Function Documentation

compute_deformation()

virtual void DICe::Image_Deformer::compute_deformation ( const scalar_t &  coord_x, const scalar_t &  coord_y, scalar_t &  bx, scalar_t &  by  )

inlinevirtual

compute the analytical displacement at the given coordinates

Parameters

coord_x	the x-coordinate for the evaluation location
coord_y	the y-coordinate
bx	[out] the x displacement
by	[out] the y displacement

Reimplemented in DICe::ConstantValue_Image_Deformer, DICe::DICChallenge14_Image_Deformer, and DICe::SinCos_Image_Deformer.

compute_deriv_deformation()

virtual void DICe::Image_Deformer::compute_deriv_deformation ( const scalar_t &  coord_x, const scalar_t &  coord_y, scalar_t &  bxx, scalar_t &  bxy, scalar_t &  byx, scalar_t &  byy  )

inlinevirtual

compute the analytical derivatives at the given coordinates

Parameters

coord_x	the x-coordinate for the evaluation location
coord_y	the y-coordinate
bxx	[out] the xx deriv
bxy	[out] the xy deriv
byx	[out] the yx deriv
byy	[out] the yy deriv

Reimplemented in DICe::ConstantValue_Image_Deformer, DICe::DICChallenge14_Image_Deformer, and DICe::SinCos_Image_Deformer.

compute_displacement_error()

void DICe::Image_Deformer::compute_displacement_error	(	const scalar_t &	coord_x,
		const scalar_t &	coord_y,
		const scalar_t &	sol_x,
		const scalar_t &	sol_y,
		scalar_t &	error_x,
		scalar_t &	error_y,
		const bool	use_mag = false,
		const bool	relative = true
	)

compute the error of a given solution at the given coords

Parameters

coord_x	the x coordinate
coord_y	the y coordinate
sol_x	the solution value in x
sol_y	the solution value in y
error_x	[out] the x error at the given coords
error_y	[out] the y error at the given coords
use_mag	square the difference if true
relative	divide by the magnitude of the solution at that point (%)

compute_lagrange_strain()

void DICe::Image_Deformer::compute_lagrange_strain	(	const scalar_t &	coord_x,
		const scalar_t &	coord_y,
		scalar_t &	strain_xx,
		scalar_t &	strain_xy,
		scalar_t &	strain_yy
	)

compute the lagrange strain given solution at the given coords

Parameters

coord_x	the x coordinate
coord_y	the y coordinate
strain_xx	[out] the xx strain at the given coords
strain_xy	[out] the xy strain at the given coords
strain_yy	[out] the yy strain at the given coords

compute_lagrange_strain_error()

void DICe::Image_Deformer::compute_lagrange_strain_error	(	const scalar_t &	coord_x,
		const scalar_t &	coord_y,
		const scalar_t &	sol_xx,
		const scalar_t &	sol_xy,
		const scalar_t &	sol_yy,
		scalar_t &	error_xx,
		scalar_t &	error_xy,
		scalar_t &	error_yy,
		const bool	use_mag = false,
		const bool	relative = true
	)

compute the error of the derivative of a given solution at the given coords

Parameters

coord_x	the x coordinate
coord_y	the y coordinate
sol_xx	the solution value in xx
sol_xy	the solution value in xy
sol_yy	the solution value in yy
error_xx	[out] the xx error at the given coords
error_xy	[out] the xy error at the given coords
error_yy	[out] the yy error at the given coords
use_mag	square the difference if true
relative	divide by the magnitude of the solution at that point (%)

deform_image()

Teuchos::RCP<Image> DICe::Image_Deformer::deform_image

(

Teuchos::RCP< Image >

ref_image

)

perform deformation on the image returns a pointer to the deformed image

Parameters

ref_image

the reference image