To manipulate structured grids. More...

Public Member Functions
	Grid ()
	Construct a default grid with 10 intervals in each direction.
	Grid (double xm, double xM, size_t npx)
	Construct a 1-D structured grid given its extremal coordinates and number of intervals.
	Grid (double xm, double xM, double ym, double yM, size_t npx, size_t npy)
	Construct a 2-D structured grid given its extremal coordinates and number of intervals.
	Grid (Point< double > m, Point< double > M, size_t npx, size_t npy)
	Construct a 2-D structured grid given its extremal coordinates and number of intervals.
	Grid (double xm, double xM, double ym, double yM, double zm, double zM, size_t npx, size_t npy, size_t npz)
	Construct a 3-D structured grid given its extremal coordinates and number of intervals.
	Grid (Point< double > m, Point< double > M, size_t npx, size_t npy, size_t npz)
	Construct a 3-D structured grid given its extremal coordinates and number of intervals.
void	setXMin (const Point< double > &x)
	Set min. coordinates of the domain.
void	setXMax (const Point< double > &x)
void	setDomain (double xmin, double xmax)
	Set Dimensions of the domain: 1-D case.
void	setDomain (double xmin, double xmax, double ymin, double ymax)
	Set Dimensions of the domain: 2-D case.
void	setDomain (double xmin, double xmax, double ymin, double ymax, double zmin, double zmax)
	Set Dimensions of the domain: 3-D case.
void	setDomain (Point< double > xmin, Point< double > xmax)
	Set Dimensions of the domain: 3-D case.
const Point< double > &	getXMin () const
	Return min. Coordinates of the domain.
const Point< double > &	getXMax () const
	Return max. Coordinates of the domain.
void	setN (size_t nx, size_t ny=0, size_t nz=0)
	Set number of grid intervals in the x, y and z-directions.
size_t	getNx () const
	Return number of grid intervals in the x-direction.
size_t	getNy () const
	Return number of grid intervals in the y-direction.
size_t	getNz () const
double	getHx () const
	Return grid size in the x-direction.
double	getHy () const
	Return grid size in the y-direction.
double	getHz () const
	Return grid size in the z-direction.
Point< double >	getCoord (size_t i) const
	Return coordinates a point with label i in a 1-D grid.
Point< double >	getCoord (size_t i, size_t j) const
	Return coordinates a point with label (i,j) in a 2-D grid.
Point< double >	getCoord (size_t i, size_t j, size_t k) const
	Return coordinates a point with label (i,j,k) in a 3-D grid.
double	getX (size_t i) const
	Return x-coordinate of point with index i.
double	getY (size_t j) const
	Return y-coordinate of point with index j.
double	getZ (size_t k) const
	Return z-coordinate of point with index k.
Point2D< double >	getXY (size_t i, size_t j) const
	Return coordinates of point with indices (i,j)
Point< double >	getXYZ (size_t i, size_t j, size_t k) const
	Return coordinates of point with indices (i,j,k)
void	setCode (int side, int code)
	Set a code for grid points.
int	getCode (int side) const
	Return code for a side number.
int	getCode (size_t i, size_t j) const
	Return code for a grid point.
int	getCode (size_t i, size_t j, size_t k) const
	Return code for a grid point.
size_t	getDim () const
	Return space dimension.

Detailed Description

To manipulate structured grids.

Constructor & Destructor Documentation

Grid	(	double	xm,
		double	xM,
		size_t	npx
	)

Construct a 1-D structured grid given its extremal coordinates and number of intervals.

Parameters:

[in]	xm	Minimal value for x
[in]	xM	Maximal value for x
[in]	npx	Number of grid intervals in the x-direction

Grid	(	double	xm,
		double	xM,
		double	ym,
		double	yM,
		size_t	npx,
		size_t	npy
	)

Construct a 2-D structured grid given its extremal coordinates and number of intervals.

Parameters:

[in]	xm	Minimal value for x
[in]	xM	Maximal value for x
[in]	ym	Minimal value for y
[in]	yM	Maximal value for y
[in]	npx	Number of grid intervals in the x-direction
[in]	npy	Number of grid intervals in the y-direction

Grid	(	Point< double >	m,
		Point< double >	M,
		size_t	npx,
		size_t	npy
	)

Construct a 2-D structured grid given its extremal coordinates and number of intervals.

Parameters:

[in]	m	Minimal coordinate value
[in]	M	Maximal coordinate value
[in]	npx	Number of grid intervals in the x-direction
[in]	npy	Number of grid intervals in the y-direction

Grid	(	double	xm,
		double	xM,
		double	ym,
		double	yM,
		double	zm,
		double	zM,
		size_t	npx,
		size_t	npy,
		size_t	npz
	)

Construct a 3-D structured grid given its extremal coordinates and number of intervals.

Parameters:

[in]	xm	Minimal value for x
[in]	xM	Maximal value for x
[in]	ym	Minimal value for y
[in]	yM	Maximal value for y
[in]	zm	Minimal value for z
[in]	zM	Maximal value for z
[in]	npx	Number of grid intervals in the x-direction
[in]	npy	Number of grid intervals in the y-direction
[in]	npz	Number of grid intervals in the z-direction

Grid	(	Point< double >	m,
		Point< double >	M,
		size_t	npx,
		size_t	npy,
		size_t	npz
	)

Construct a 3-D structured grid given its extremal coordinates and number of intervals.

Parameters:

[in]	m	Minimal coordinate value
[in]	M	Maximal coordinate value
[in]	npx	Number of grid intervals in the x-direction
[in]	npy	Number of grid intervals in the y-direction
[in]	npz	Number of grid intervals in the z-direction

Member Function Documentation

void setXMin ( const Point< double > & x )

Set min. coordinates of the domain.

Parameters:

[in] x Minimal values of coordinates

void setXMax ( const Point< double > & x )

Set max. coordinates of the domain.

Parameters:

[in] x Maximal values of coordinates

void setDomain	(	double	xmin,
		double	xmax
	)

Set Dimensions of the domain: 1-D case.

Parameters:

[in]	xmin	Minimal value of x-coordinate
[in]	xmax	Maximal value of x-coordinate

void setDomain	(	double	xmin,
		double	xmax,
		double	ymin,
		double	ymax
	)

Set Dimensions of the domain: 2-D case.

Parameters:

[in]	xmin	Minimal value of x-coordinate
[in]	xmax	Maximal value of x-coordinate
[in]	ymin	Minimal value of y-coordinate
[in]	ymax	Maximal value of y-coordinate

void setDomain	(	double	xmin,
		double	xmax,
		double	ymin,
		double	ymax,
		double	zmin,
		double	zmax
	)

Set Dimensions of the domain: 3-D case.

Parameters:

[in]	xmin	Minimal value of x-coordinate
[in]	xmax	Maximal value of x-coordinate
[in]	ymin	Minimal value of y-coordinate
[in]	ymax	Maximal value of y-coordinate
[in]	zmin	Minimal value of z-coordinate
[in]	zmax	Maximal value of z-coordinate

void setDomain	(	Point< double >	xmin,
		Point< double >	xmax
	)

Set Dimensions of the domain: 3-D case.

Parameters:

[in]	xmin	Minimal coordinate value
[in]	xmax	Maximal coordinate value

void setN	(	size_t	nx,
		size_t	ny = `0`,
		size_t	nz = `0`
	)

Set number of grid intervals in the x, y and z-directions.

Number of points is the number of intervals plus one in each direction

Parameters:

[in]	nx	Number of grid intervals in the x-direction
[in]	ny	Number of grid intervals in the y-direction (Default=0: 1-D grid)
[in]	nz	Number of grid intervals in the z-direction (Default=0: 1-D or 2-D grid)

Remarks:: : The size of the grid (xmin and xmax) must have been defined before.

size_t getNy ( ) const

Return number of grid intervals in the y-direction.

ny=0 for 1-D domains (segments)

size_t getNz ( ) const

Return number of grid intervals in the z-direction. nz=0 for 1-D (segments) and 2-D domains (rectangles)

void setCode	(	int	side,
		int	code
	)

Set a code for grid points.

Parameters:

[in]	side	Side for which code is assigned. Possible values are: MIN_X, MAX_X, MIN_Y, MAX_Y, MIN_Z, MAX_Z
[in]	code	Code to assign.

int getCode ( int side ) const

Return code for a side number.

Parameters:

[in] side Side for which code is returned. Possible values are: MIN_X, MAX_X, MIN_Y, MAX_Y, MIN_Z, MAX_Z

int getCode	(	size_t	i,
		size_t	j
	)		const

Return code for a grid point.

Parameters:

[in]	i	i-th index for node for which code is to be returned.
[in]	j	j-th index for node for which code is to be returned.

int getCode	(	size_t	i,
		size_t	j,
		size_t	k
	)		const

Return code for a grid point.

Parameters:

[in]	i	i-th index for node for which code is to be returned.
[in]	j	j-th index for node for which code is to be returned.
[in]	k	k-th index for node for which code is to be returned.

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation