psf.c File Reference

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "define.h"
#include "globals.h"
#include "key.h"
#include "prefs.h"
#include "fits/fitscat.h"
#include "check.h"
#include "filter.h"
#include "image.h"
#include "wcs/poly.h"
#include "psf.h"

Include dependency graph for psf.c:

Macros
#define	MAX(a, b)
#define	PYTHAG(a, b)
#define	SIGN(a, b)   ((b) >= 0.0 ? fabs(a) : -fabs(a))
#define	TOL   1.0e-11

Functions
void	psf_init (void)
void	psf_end (psfstruct *psf, psfitstruct *psfit)
psfstruct *	psf_load (char *filename, int ext)
void	psf_readcontext (psfstruct *psf, picstruct *field)
void	psf_fit (psfstruct *psf, picstruct *field, picstruct *wfield, objstruct *obj)
void	double_psf_fit (psfstruct *psf, picstruct *field, picstruct *wfield, objstruct *obj, psfstruct *dpsf, picstruct *dfield, picstruct *dwfield)
void	psf_build (psfstruct *psf)
double	psf_fwhm (psfstruct *psf)
double *	compute_gradient (float *weight, int width, int height, float *masks, float *maskx, float *masky, double *m)
double *	compute_gradient_phot (float *pweight, int width, int height, float *pmasks, double *pm)
void	compute_pos (int *pnpsf, int *pconvflag, int *pnpsfflag, double radmin2, double radmax2, double r2, double *sol, double *flux, double *deltax, double *deltay, double *pdx, double *pdy)
void	compute_pos_phot (int *pnpsf, double *sol, double *flux)
void	compute_poserr (int j, double *var, double *sol, obj2struct *obj2, double *x2, double *y2, double *xy, int npsf)
void	svdfit (double *a, float *b, int m, int n, double *sol, double *vmat, double *wmat)
void	svdvar (double *v, double *w, int n, double *cov)

Variables
keystruct	objkey []
objstruct	outobj

Macro Definition Documentation

MAX

#define MAX	(		a,
			b
	)

Value:

(maxarg1=(a),maxarg2=(b),(maxarg1) > (maxarg2) ?\
        (maxarg1) : (maxarg2))

PYTHAG

#define PYTHAG	(		a,
			b
	)

Value:

((at=fabs(a)) > (bt=fabs(b)) ? \
                  (ct=bt/at,at*sqrt(1.0+ct*ct)) \
                : (bt ? (ct=at/bt,bt*sqrt(1.0+ct*ct)): 0.0))

SIGN

#define SIGN	(		a,
			b
	)		((b) >= 0.0 ? fabs(a) : -fabs(a))

TOL

#define TOL   1.0e-11

Function Documentation

compute_gradient()

double* compute_gradient	(	float *	weight,
		int	width,
		int	height,
		float *	masks,
		float *	maskx,
		float *	masky,
		double *	m
	)

compute_gradient_phot()

double* compute_gradient_phot	(	float *	pweight,
		int	width,
		int	height,
		float *	pmasks,
		double *	pm
	)

compute_pos()

void compute_pos	(	int *	pnpsf,
		int *	pconvflag,
		int *	pnpsfflag,
		double	radmin2,
		double	radmax2,
		double	r2,
		double *	sol,
		double *	flux,
		double *	deltax,
		double *	deltay,
		double *	pdx,
		double *	pdy
	)

compute_pos_phot()

void compute_pos_phot	(	int *	pnpsf,
		double *	sol,
		double *	flux
	)

compute_poserr()

void compute_poserr	(	int	j,
		double *	var,
		double *	sol,
		obj2struct *	obj2,
		double *	x2,
		double *	y2,
		double *	xy,
		int	npsf
	)

double_psf_fit()

void double_psf_fit	(	psfstruct *	psf,
		picstruct *	field,
		picstruct *	wfield,
		objstruct *	obj,
		psfstruct *	dpsf,
		picstruct *	dfield,
		picstruct *	dwfield
	)

psf_build()

void psf_build

(

psfstruct *

psf

)

psf_end()

void psf_end	(	psfstruct *	psf,
		psfitstruct *	psfit
	)

psf_fit()

void psf_fit	(	psfstruct *	psf,
		picstruct *	field,
		picstruct *	wfield,
		objstruct *	obj
	)

psf_fwhm()

double psf_fwhm

(

psfstruct *

psf

)

psf_init()

void psf_init

(

void

)

psf_load()

psfstruct* psf_load	(	char *	filename,
		int	ext
	)

psf_readcontext()

void psf_readcontext	(	psfstruct *	psf,
		picstruct *	field
	)

svdfit()

void svdfit	(	double *	a,
		float *	b,
		int	m,
		int	n,
		double *	sol,
		double *	vmat,
		double *	wmat
	)

svdvar()

void svdvar	(	double *	v,
		double *	w,
		int	n,
		double *	cov
	)

Variable Documentation

objkey

keystruct objkey[]

outobj

objstruct outobj