Grid

Functions
static int	xsh_grid_point_compare (const void *one, const void *two)
void	xsh_grid_dump (xsh_grid *grid)
	Dump main info about a grid.
cpl_table *	xsh_grid2table (xsh_grid *grid)
	Dump main info about a grid.
xsh_grid *	xsh_grid_create (int size)
	Create a grid.
void	xsh_grid_free (xsh_grid **grid)
	Free a grid.
void	xsh_grid_add (xsh_grid *grid, int x, int y, double data, double errs, int qual)
	add a point to a grid
void	xsh_grid_sort (xsh_grid *grid)
	sort grid points
xsh_grid_point *	xsh_grid_point_get (xsh_grid *grid, int i)
	get x points from the grid
int	xsh_grid_get_index (xsh_grid *grid)
	get the number of elements in the grid

Detailed Description

Function Documentation

xsh_grid2table()

cpl_table * xsh_grid2table

(

xsh_grid *

grid

)

Dump main info about a grid.

Parameters

grid

pointer

Definition at line 113 of file xsh_data_grid.c.

References xsh_grid_point::errs, xsh_grid::idx, xsh_grid::list, xsh_grid_point::v, xsh_grid_point::x, XSH_ASSURE_NOT_NULL, and xsh_grid_point::y.

Referenced by xsh_subtract_background().

xsh_grid_add()

void xsh_grid_add	(	xsh_grid *	grid,
		int	x,
		int	y,
		double	data,
		double	errs,
		int	qual
	)

add a point to a grid

Parameters

grid	The grid
x	x coordinate of the point
y	y coordinate of the point
v	value of the point

Definition at line 215 of file xsh_data_grid.c.

References xsh_grid_point::errs, xsh_grid::idx, xsh_grid::list, xsh_grid_point::qual, xsh_grid::size, xsh_grid_point::v, xsh_grid_point::x, x, XSH_ASSURE_NOT_ILLEGAL, XSH_ASSURE_NOT_NULL, XSH_MALLOC, xsh_grid_point::y, and y.

Referenced by xsh_crea_grid_from_mask().

xsh_grid_create()

xsh_grid * xsh_grid_create

(

int

size

)

Create a grid.

Parameters

size	size of the grid

Returns

the grid structure

Definition at line 165 of file xsh_data_grid.c.

References xsh_grid::idx, xsh_grid::list, xsh_grid::size, size, XSH_ASSURE_NOT_ILLEGAL, XSH_CALLOC, and xsh_grid_free().

Referenced by xsh_crea_grid_from_mask().

xsh_grid_dump()

void xsh_grid_dump

(

xsh_grid *

grid

)

Dump main info about a grid.

Parameters

grid

pointer

Definition at line 87 of file xsh_data_grid.c.

References xsh_grid::idx, xsh_grid::list, xsh_grid::size, xsh_grid_point::v, xsh_grid_point::x, XSH_ASSURE_NOT_NULL, xsh_msg, and xsh_grid_point::y.

xsh_grid_free()

void xsh_grid_free

(

xsh_grid **

grid

)

Free a grid.

Parameters

grid	the grid pointer

Definition at line 191 of file xsh_data_grid.c.

References XSH_FREE.

Referenced by xsh_grid_create(), and xsh_subtract_background().

xsh_grid_get_index()

int xsh_grid_get_index

(

xsh_grid *

grid

)

get the number of elements in the grid

Parameters

grid	the grid pointer

Returns

the number of elements in the grid

Definition at line 284 of file xsh_data_grid.c.

References xsh_grid::idx, and XSH_ASSURE_NOT_NULL.

Referenced by xsh_image_fit_spline().

xsh_grid_point_compare()

static int xsh_grid_point_compare ( const void *  one, const void *  two  )

static

Definition at line 56 of file xsh_data_grid.c.

References xsh_grid_point::x.

Referenced by xsh_grid_sort().

xsh_grid_point_get()

xsh_grid_point * xsh_grid_point_get	(	xsh_grid *	grid,
		int	i
	)

get x points from the grid

Parameters

grid	the grid pointer
i	grid index point

Returns

the x points

Definition at line 264 of file xsh_data_grid.c.

References xsh_grid::list, XSH_ASSURE_NOT_ILLEGAL, and XSH_ASSURE_NOT_NULL.

Referenced by xsh_image_fit_spline().

xsh_grid_sort()

void xsh_grid_sort

(

xsh_grid *

grid

)

sort grid points

Parameters

grid

The grid

Definition at line 244 of file xsh_data_grid.c.

References xsh_grid::idx, xsh_grid::list, XSH_ASSURE_NOT_NULL, and xsh_grid_point_compare().

Referenced by xsh_crea_grid_from_mask().