ngcbFitsTools.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ngc/core/ngcb.h>

Macros
#define	_LARGEFILE64_SOURCE
#define	ngcbFITS_MAX_BLOCKS   512
#define	ngcbFITS_MAX_LINES   (ngcbFITS_MAX_BLOCKS * ngcbFITS_BLOCK_LINES)

Functions
char *	ngcbFitsStrip (char *buffer, size_t *size, int *bitPix, char *erms)
int	ngcbSplitCube (const char *source, const char *target, int numBlocks, char *erms)
int	ngcbCube2Ext (const char *fileName, const char *extName, int numBlocks, char *erms)
int	ngcbCubeOpen (const char *fileName, ngcb_cube_t *cube, char *erms)
int	ngcbCubeRead (ngcb_cube_t cube, void *data, int slice, char *erms)
void	ngcbCubeClose (ngcb_cube_t cube)
int	ngcbCubeRead32 (ngcb_cube_t cube, float *buffer, int slice, char *erms)

Detailed Description

Copyright

SPDX-FileCopyrightText: 2026 European Southern Observatory (ESO) SPDX-License-Identifier: LGPL-3.0-only

Macro Definition Documentation

_LARGEFILE64_SOURCE

#define _LARGEFILE64_SOURCE

ngcbFITS_MAX_BLOCKS

#define ngcbFITS_MAX_BLOCKS   512

ngcbFITS_MAX_LINES

#define ngcbFITS_MAX_LINES   (ngcbFITS_MAX_BLOCKS * ngcbFITS_BLOCK_LINES)

Function Documentation

ngcbCube2Ext()

int ngcbCube2Ext	(	const char *	fileName,
		const char *	extName,
		int	numBlocks,
		char *	erms )

Move data-cube to FITS-extension.

ngcbCubeClose()

void ngcbCubeClose

(

ngcb_cube_t

cube

)

Close data cube.

ngcbCubeOpen()

int ngcbCubeOpen	(	const char *	fileName,
		ngcb_cube_t *	cube,
		char *	erms )

Open data cube.

ngcbCubeRead()

int ngcbCubeRead	(	ngcb_cube_t	cube,
		void *	buffer,
		int	slice,
		char *	erms )

Read slice from data cube.

ngcbCubeRead32()

int ngcbCubeRead32	(	ngcb_cube_t	cube,
		float *	buffer,
		int	slice,
		char *	erms )

Read slice from data cube and convert to 32-bit floating point format.

ngcbFitsStrip()

char * ngcbFitsStrip	(	char *	buffer,
		size_t *	size,
		int *	bitPix,
		char *	erms )

Strip off the FITS-header from the buffer and return a pointer to the data. The size should be the original buffer size. When the function fails a NULL-pointer is returned. Otherwise size is updated to the size of the data buffer and bitPix returns the BITPIX-value from the FITS-header.

ngcbSplitCube()

int ngcbSplitCube	(	const char *	source,
		const char *	target,
		int	numBlocks,
		char *	erms )

Split data-cube into FITS-extensions per chip.