wcs.c File Reference

#include <math.h>
#include "stdio.h"
#include "string.h"
#include "wcsmath.h"
#include "wcstrig.h"
#include "sph.h"
#include "wcs.h"

Include dependency graph for wcs.c:

Macros
#define	wcs_signbit(X)   ((X) < 0.0 ? 1 : 0)

Functions
int	wcsset (int naxis, ctype, struct wcsprm *wcs) const
int	wcsfwd (ctype, struct wcsprm *wcs, world, crval, struct celprm *cel, double *phi, double *theta, struct prjprm *prj, imgcrd, struct linprm *lin, pixcrd) const
int	wcsrev (ctype, struct wcsprm *wcs, pixcrd, struct linprm *lin, imgcrd, struct prjprm *prj, double *phi, double *theta, crval, struct celprm *cel, world) const
int	wcsmix (ctype, struct wcsprm *wcs, const int mixpix, const int mixcel, vspan, vstep, int viter, world, crval, struct celprm *cel, double *phi, double *theta, struct prjprm *prj, imgcrd, struct linprm *lin, pixcrd) const

Variables
const char *	wcsset_errmsg []
const char *	wcsfwd_errmsg []
const char *	wcsrev_errmsg []
const char *	wcsmix_errmsg []

Macro Definition Documentation

wcs_signbit

#define wcs_signbit

(

X

)

((X) < 0.0 ? 1 : 0)

Function Documentation

wcsfwd()

int wcsfwd	(	ctype	,
		struct wcsprm*	wcs,
		world	,
		crval	,
		struct celprm *	cel,
		double *	phi,
		double *	theta,
		struct prjprm *	prj,
		imgcrd	,
		struct linprm *	lin,
		pixcrd
	)		const

wcsmix()

int wcsmix	(	ctype	,
		struct wcsprm *	wcs,
		const int	mixpix,
		const int	mixcel,
		vspan	,
			vstep,
		int	viter,
		world	,
		crval	,
		struct celprm *	cel,
		double *	phi,
		double *	theta,
		struct prjprm *	prj,
		imgcrd	,
		struct linprm *	lin,
		pixcrd
	)		const

wcsrev()

int wcsrev	(	ctype	,
		struct wcsprm *	wcs,
		pixcrd	,
		struct linprm *	lin,
		imgcrd	,
		struct prjprm *	prj,
		double *	phi,
		double *	theta,
		crval	,
		struct celprm *	cel,
		world
	)		const

wcsset()

int wcsset	(	int	naxis,
		ctype	,
		struct wcsprm *	wcs
	)		const

Variable Documentation

wcsfwd_errmsg

const char* wcsfwd_errmsg[]

Initial value:

= {
   0,
   "Invalid coordinate transformation parameters",
   "Invalid projection parameters",
   "Invalid world coordinate",
   "Invalid linear transformation parameters"}

wcsmix_errmsg

const char* wcsmix_errmsg[]

Initial value:

= {
   0,
   "Invalid coordinate transformation parameters",
   "Invalid projection parameters",
   "Coordinate transformation error",
   "Invalid linear transformation parameters",
   "No solution found in the specified interval"}

wcsrev_errmsg

const char* wcsrev_errmsg[]

Initial value:

= {
   0,
   "Invalid coordinate transformation parameters",
   "Invalid projection parameters",
   "Invalid pixel coordinate",
   "Invalid linear transformation parameters"}

wcsset_errmsg

const char* wcsset_errmsg[]

Initial value:

= {
   0,
   "Inconsistent or unrecognized coordinate axis types"}