hdrl_imagelist_view.c File Reference

#include "hdrl_imagelist.h"
#include "hdrl_imagelist_defs.h"
#include "hdrl_imagelist_view.h"
#include "hdrl_image_defs.h"
#include "hdrl_image.h"
#include <cpl.h>
#include <assert.h>
#include <string.h>

Include dependency graph for hdrl_imagelist_view.c:

Function Documentation

hdrl_imagelist_const_cpl_row_view()

const hdrl_imagelist * hdrl_imagelist_const_cpl_row_view	(	const cpl_imagelist *	imglist,
		const cpl_imagelist *	errlist,
		cpl_size	ly,
		cpl_size	uy
	)

create const view of subset of image rows in cpl imagelists

Parameters

imglist	source imagelist to create view of
errlist	source error imagelist to create view of, may be NULL
ly	lower y row to view (FITS convention)
uy	upper y row to view (FITS convention)

Returns

constant imagelist view

The imagelist will contain the same number of images but they will have uy - ly + 1 rows. Modifiying the view is not allowed The view can be deleted with hdrl_imagelist_delete. Deleting the original imagelist will invalidate all views, they must not be used anymore besides being deleted. The images and errors in the lists must contain equal bad pixel maps.

hdrl_imagelist_const_row_view()

const hdrl_imagelist * hdrl_imagelist_const_row_view	(	const hdrl_imagelist *	hl,
		cpl_size	ly,
		cpl_size	uy
	)

create const view of subset of image rows in an imagelist

Parameters

hl	source imagelist to create view of
ly	lower y row to view (FITS convention)
uy	upper y row to view (FITS convention)

Returns

constant imagelist view

The imagelist will contain the same number of images but they will have uy - ly + 1 rows. Modifiying the view will modify the selected rows of the original imagelist. The view can be deleted with hdrl_imagelist_delete. Deleting the original imagelist will invalidate all views, they must not be used anymore besides being deleted. The view must not be modified as bad pixel information cannot be propagated to the original image if it did not have a bad pixel map to begin with.

hdrl_imagelist_image_view()

hdrl_imagelist * hdrl_imagelist_image_view	(	hdrl_imagelist *	hl,
		cpl_size	lz,
		cpl_size	uz
	)

create view of subset of images in an imagelist

Parameters

hl	source imagelist to create view of
lz	lower image index to view, starting from 0
uz	upper bound exclusive

Returns

imagelist view

The imagelist will contain uz - lz images of the same size as the original imagelist. Modifiying the view is not allowed The view must be deleted with hdrl_imagelist_delete. Deleting the original imagelist will invalidate all views, they must not be used anymore besides being deleted.

hdrl_imagelist_row_view()

hdrl_imagelist * hdrl_imagelist_row_view	(	hdrl_imagelist *	hl,
		cpl_size	ly,
		cpl_size	uy
	)

create view of subset of image rows in an imagelist

Parameters

hl	source imagelist to create view of
ly	lower y row to view (FITS convention)
uy	upper y row to view (FITS convention)

Returns

imagelist view

The imagelist will contain the same number of images but they will have uy - ly + 1 rows. Modifiying the view will modify the selected rows of the original imagelist. The view can be deleted with hdrl_imagelist_delete. Deleting the original imagelist will invalidate all views, they must not be used anymore besides being deleted.