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/*
pattern.h
*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
*
* Part of: SExtractor
*
* Authors: E.BERTIN (IAP)
*
* Contents: Include file for pattern.c.
*
* Last modify: 19/11/2008
*
*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
*/
#ifndef _PROFIT_H_
#include "profit.h"
#endif
#ifndef _PATTERN_H_
#define _PATTERN_H_
/*-------------------------------- flags ------------------------------------*/
/*-------------------------------- macros -----------------------------------*/
/*----------------------------- Internal constants --------------------------*/
#define PATTERN_FMAX 4 /* Maximum pattern angular frequency */
#define PATTERN_NCOMP 16 /* Default number of components (radii) */
#define PATTERN_SCALE 5.0 /* Pattern scale in units of r_eff */
#define PATTERN_MARGIN 0.2 /* Pattern margin in fractions of radius */
#define PATTERN_BTMAX 0.6 /* Maximum B/T for pure disk scaling */
/* NOTES:
One must have: PATTERN_SIZE > 1
PATTERN_SCALE > 0.0
PATTERN_BTMAX < 1.0
*/
/*--------------------------------- typedefs --------------------------------*/
typedef enum {PATTERN_QUADRUPOLE, PATTERN_OCTOPOLE,
PATTERN_POLARFOURIER, PATTERN_POLARSHAPELETS,
PATTERN_NPATTERNS}
pattypenum; /* Pattern code */
/*--------------------------- structure definitions -------------------------*/
typedef struct
{
pattypenum type; /* Pattern code */
int ncomp; /* Number of independent components */
int nmodes; /* Number of modes per component */
int nfreq; /* Number of waves per component */
double x[2]; /* Coordinate vector */
double rmax; /* Largest radius in units of scale */
double *r; /* Reduced radius */
double *norm; /* Pattern vector norm */
double *coeff; /* Fitted pattern coefficients */
double *mcoeff; /* Modulus from pattern coefficients */
double *acoeff; /* Argument from pattern coefficients */
double *modpix; /* Pattern pixmaps */
PIXTYPE *lmodpix; /* Low resolution pattern pixmaps */
int size[3]; /* Pixmap size for each axis */
} patternstruct;
/*----------------------------- Global variables ----------------------------*/
/*-------------------------------- functions --------------------------------*/
patternstruct *pattern_init(profitstruct *profit, pattypenum ptype, int nvec);
float pattern_spiral(patternstruct *pattern);
void pattern_compmodarg(patternstruct *pattern,profitstruct *profit),
pattern_create(patternstruct *pattern, profitstruct *profit),
pattern_end(patternstruct *pattern),
pattern_fit(patternstruct *pattern, profitstruct *profit);
#endif