Data Structures | |
struct | _identify_method |
Defines | |
#define | cleanup |
#define | cleanup |
#define | cleanup |
Functions | |
static bool | inside_region (const fors_std_star *std, void *reg) |
Determine if star is inside region. | |
static void | match_patterns (const fors_star_list *stars, const fors_std_star_list *std, double kappa, double *sx_00, double *sy_00, double *med_scale, double *med_angle, int *status) |
Match patterns. | |
void | fors_identify_define_parameters (cpl_parameterlist *parameters, const char *context) |
Define recipe parameters. | |
identify_method * | fors_identify_method_new (const cpl_parameterlist *parameters, const char *context) |
Get id method from parameter list. | |
void | fors_identify_method_delete (identify_method **em) |
Deallocate identifyion method and set the pointer to NULL. | |
static bool | std_brighter_than (const fors_std_star *s1, void *s2) |
Compare brightness. | |
static bool | star_brighter_than (const fors_star *s1, void *s2) |
Compare brightness. | |
static double | distsq_shift (const fors_star *s, const fors_std_star *std, double shiftx, double shifty) |
Distance between source and shifted catalog star. | |
static bool | star_nearer (const fors_star *s1, const fors_star *s2, void *data) |
Tell if a source is closest to a catalog star. | |
void | fors_identify (fors_star_list *stars, fors_std_star_list *cat, const identify_method *im) |
Identify sources. |
#define cleanup |
#define cleanup |
Value:
do { \ fors_std_star_list_delete(&std_ccd , fors_std_star_delete); \ fors_std_star_list_delete(&std_ccd_bright, fors_std_star_delete); \ fors_star_list_delete(&source_bright, fors_star_delete); \ } while (0)
Definition at line 743 of file fors_identify.c.
#define cleanup |
Value:
do { \ fors_point_list_delete(&std_points, fors_point_delete); \ fors_point_list_delete(&source_points, fors_point_delete); \ fors_pattern_list_delete(&std_patterns, fors_pattern_delete); \ fors_pattern_list_delete(&source_patterns, fors_pattern_delete); \ double_list_delete(&scales, double_delete); \ double_list_delete(&angles, double_delete); \ double_list_delete(&angle_cos, double_delete); \ double_list_delete(&angle_sin, double_delete); \ double_list_delete(&match_dist, double_delete); \ double_list_delete(&shiftx, double_delete); \ double_list_delete(&shifty, double_delete); \ } while (0)
Definition at line 743 of file fors_identify.c.
static bool inside_region | ( | const fors_std_star * | std, | |
void * | reg | |||
) | [static] |
Determine if star is inside region.
std | star | |
reg | rectangular region, see code for the required type |
Definition at line 727 of file fors_identify.c.
Referenced by fors_identify().
static void match_patterns | ( | const fors_star_list * | stars, | |
const fors_std_star_list * | std, | |||
double | kappa, | |||
double * | sx_00, | |||
double * | sy_00, | |||
double * | med_scale, | |||
double * | med_angle, | |||
int * | status | |||
) | [static] |
Match patterns.
stars | sources | |
std | reference stars | |
sx_00 | (output) shift in x | |
sy_00 | (output) shift in y | |
med_scale | (output) median scale | |
med_angle | (output) median angle |
This function could be extended to fit 2d polynomials of degree > 0, if necessary.
Definition at line 774 of file fors_identify.c.
References assure, cleanup, fors_angle_diff(), fors_point_new(), fors_star_extension(), _fors_star::pixel, and STDEV_PR_MAD.
Referenced by fors_identify().
void fors_identify_define_parameters | ( | cpl_parameterlist * | parameters, | |
const char * | context | |||
) |
Define recipe parameters.
parameters | parameter list to fill | |
context | parameters context |
Definition at line 82 of file fors_identify.c.
Referenced by fors_zeropoint_define_parameters(), and test_identify().
identify_method* fors_identify_method_new | ( | const cpl_parameterlist * | parameters, | |
const char * | context | |||
) |
Get id method from parameter list.
parameters | recipe parameter list | |
context | read id method from this context |
Definition at line 187 of file fors_identify.c.
References assure, dfs_get_parameter_double_const(), and dfs_get_parameter_int_const().
Referenced by fors_zeropoint(), and test_identify().
static bool std_brighter_than | ( | const fors_std_star * | s1, | |
void * | s2 | |||
) | [static] |
Compare brightness.
s1 | 1st star | |
s2 | 2nd star |
Definition at line 263 of file fors_identify.c.
Referenced by fors_identify().
static bool star_brighter_than | ( | const fors_star * | s1, | |
void * | s2 | |||
) | [static] |
Compare brightness.
s1 | 1st star | |
s2 | 2nd star |
Definition at line 279 of file fors_identify.c.
References fors_star_brighter_than().
Referenced by fors_identify().
static double distsq_shift | ( | const fors_star * | s, | |
const fors_std_star * | std, | |||
double | shiftx, | |||
double | shifty | |||
) | [static] |
Distance between source and shifted catalog star.
s | source | |
std | catalog star | |
shiftx | shift applied to std | |
shifty | shift applied to std |
Definition at line 294 of file fors_identify.c.
References fors_point_delete(), fors_point_distsq(), fors_point_new(), and _fors_star::pixel.
Referenced by fors_identify(), and star_nearer().
Tell if a source is closest to a catalog star.
s1 | 1st source | |
s2 | 2nd source | |
d | radius, shift, catalog star |
Definition at line 318 of file fors_identify.c.
References distsq_shift().
Referenced by fors_identify().
void fors_identify | ( | fors_star_list * | stars, | |
fors_std_star_list * | cat, | |||
const identify_method * | im | |||
) |
Identify sources.
stars | list of stars to identify | |
cat | list of catalog stars | |
im | parameters |
For each catalog star Apply shift Identify with nearest source inside search radius
Definition at line 361 of file fors_identify.c.
References assure, cleanup, distsq_shift(), fors_star_brighter_than(), fors_star_duplicate(), fors_star_get_x(), fors_star_get_y(), fors_star_print_list(), inside_region(), kth(), match_patterns(), star_brighter_than(), star_nearer(), and std_brighter_than().
Referenced by fors_zeropoint_astrometry(), and test_identify().