Functions | |
static void | uves_mflat_qclog (const cpl_imagelist *raw_images, cpl_table *qclog) |
Process a single chip. | |
static cpl_error_code | uves_msflats (cpl_frameset *set, const cpl_parameterlist *parameters, const char *recipe_id, const char *starttime) |
Computes coherent master sflats. | |
static void | uves_mflat_one (cpl_frameset *frames, const cpl_parameterlist *parameters, bool flames, const char *recipe_id, const char *starttime, const char *prefix) |
Get the command line options and execute the data reduction. | |
static cpl_error_code | uves_mflat_at_ypos (cpl_frameset *set, const cpl_parameterlist *parameters, const char *recipe_id, const char *starttime, const cpl_frameset *raw, const cpl_frameset *cdb, const int ref_x1enc, const int ref_x2enc, const int set_no) |
Computes coherent master sflats. | |
static void | uves_reduce_mflat (cpl_frameset *frames, const cpl_parameterlist *parameters, bool flames, const char *recipe_id, const char *starttime, const char *prefix) |
Get the command line options and execute the data reduction. | |
int | uves_mflat_define_parameters_body (cpl_parameterlist *parameters, const char *recipe_id) |
Setup the recipe options. | |
static cpl_image * | uves_mflat_process_chip (const cpl_imagelist *raw_images, uves_propertylist **raw_headers, uves_propertylist *master_flat_header, const cpl_image *master_bias, const cpl_image *master_dark, const uves_propertylist *mdark_header, const cpl_table *ordertable, const polynomial *order_locations, bool flames, const cpl_parameterlist *parameters, enum uves_chip chip, const char *recipe_id, bool DEBUG, cpl_image **background) |
Process a single chip. | |
void | uves_mflat_exe_body (cpl_frameset *frames, const cpl_parameterlist *parameters, const char *starttime, const char *recipe_id) |
Get the command line options and execute the data reduction. | |
Variables | |
const char *const | uves_mflat_desc |
static void uves_mflat_qclog | ( | const cpl_imagelist * | raw_images, | |
cpl_table * | qclog | |||
) | [static] |
Process a single chip.
raw_images | the input images | |
qclog | QC parameters are written here |
Definition at line 1072 of file uves_reduce_mflat.c.
References check_nomsg, uves_qclog_add_int(), and uves_qclog_add_string().
Referenced by uves_reduce_mflat().
static cpl_error_code uves_msflats | ( | cpl_frameset * | set, | |
const cpl_parameterlist * | parameters, | |||
const char * | recipe_id, | |||
const char * | starttime | |||
) | [static] |
Computes coherent master sflats.
set | The input frameset |
Definition at line 439 of file uves_reduce_mflat.c.
References check, uves_frameset_extract(), uves_mflat_at_ypos(), and uves_msg.
Referenced by uves_mflat_exe_body().
static void uves_mflat_one | ( | cpl_frameset * | frames, | |
const cpl_parameterlist * | parameters, | |||
bool | flames, | |||
const char * | recipe_id, | |||
const char * | starttime, | |||
const char * | prefix | |||
) | [static] |
Get the command line options and execute the data reduction.
frames | the frames list | |
parameters | the parameters list flames FLAMES mode? |
After computing the master flat frame, the pixel average, standard deviation and median values are also computed and written in appropriate keywords in the output image header.
Definition at line 582 of file uves_reduce_mflat.c.
References check_nomsg, and uves_reduce_mflat().
Referenced by uves_mflat_at_ypos(), and uves_mflat_exe_body().
static cpl_error_code uves_mflat_at_ypos | ( | cpl_frameset * | set, | |
const cpl_parameterlist * | parameters, | |||
const char * | recipe_id, | |||
const char * | starttime, | |||
const cpl_frameset * | raw, | |||
const cpl_frameset * | cdb, | |||
const int | ref_x1enc, | |||
const int | ref_x2enc, | |||
const int | set_no | |||
) | [static] |
Computes coherent master sflats.
set | The input frameset |
Definition at line 512 of file uves_reduce_mflat.c.
References check, check_nomsg, uves_mflat_one(), uves_msg_debug, uves_pfits_get_slit3_x1encoder(), uves_pfits_get_slit3_x2encoder(), and uves_propertylist_load().
Referenced by uves_msflats().
static void uves_reduce_mflat | ( | cpl_frameset * | frames, | |
const cpl_parameterlist * | parameters, | |||
bool | flames, | |||
const char * | recipe_id, | |||
const char * | starttime, | |||
const char * | prefix | |||
) | [static] |
Get the command line options and execute the data reduction.
frames | the frames list | |
parameters | the parameters list | |
flames | Called by FLAMES recipe? | |
recipe_id | the recipe name (will be written to FITS headers) | |
starttime | time when calling recipe started | |
prefix | tag prefix as x in 'xFLAT' |
Definition at line 611 of file uves_reduce_mflat.c.
References check, check_nomsg, uves_chip_get_first(), uves_chip_get_index(), uves_chip_get_next(), uves_chip_tostring_upper(), uves_mflat_process_chip(), uves_mflat_qclog(), uves_msg, uves_msg_low, uves_msg_warning, uves_pfits_get_chipid(), uves_polynomial_delete(), uves_qclog_delete(), uves_qclog_init(), and uves_string_toupper().
Referenced by uves_mflat_one().
int uves_mflat_define_parameters_body | ( | cpl_parameterlist * | parameters, | |
const char * | recipe_id | |||
) |
Setup the recipe options.
parameters | the parameterlist to fill | |
recipe_id | name of calling recipe |
Definition at line 126 of file uves_reduce_mflat.c.
References check_nomsg.
static cpl_image* uves_mflat_process_chip | ( | const cpl_imagelist * | raw_images, | |
uves_propertylist ** | raw_headers, | |||
uves_propertylist * | master_flat_header, | |||
const cpl_image * | master_bias, | |||
const cpl_image * | master_dark, | |||
const uves_propertylist * | mdark_header, | |||
const cpl_table * | ordertable, | |||
const polynomial * | order_locations, | |||
bool | flames, | |||
const cpl_parameterlist * | parameters, | |||
enum uves_chip | chip, | |||
const char * | recipe_id, | |||
bool | DEBUG, | |||
cpl_image ** | background | |||
) | [static] |
Process a single chip.
raw_images | The input images | |
raw_headers | An array containing the input image headers. The ordering must be the same as the ordering of images in the input image list | |
master_flat_header | This header is updated with the normalized exposure time | |
master_bias | The master bias image for this chip, or NULL | |
master_dark | If non-null this master dark frame is subtracted | |
mdark_header | The header of the master dark frame (used only if master_dark is non-null). | |
ordertable | The order table for this chip. Used for background subtraction. | |
order_locations | Polynomial defining the order locations. Used for background subtraction. | |
flames | FLAMES reduction? In this case the background image is not computed/subtracted | |
parameters | The recipe parameter list | |
chip | CCD chip | |
recipe_id | name of calling recipe | |
DEBUG | Save intermediate results to disk? | |
background | (output) The background image which was subtracted |
This function
uves_backsub_spline()
) .masterflat = median( (flat_i - masterbias)/exptime_i ) - masterdark/exptime_mdark - background
Dark subtraction is optional and is done only if the parameter master_dark is non-NULL.
Definition at line 221 of file uves_reduce_mflat.c.
References check, check_nomsg, uves_flat_create_normalized_master(), uves_flat_create_normalized_master2(), uves_msg, uves_pfits_get_exptime(), uves_pfits_get_gain(), uves_pfits_set_exptime(), uves_propertylist_append_c_double(), uves_string_toupper(), and uves_subtract_bias().
Referenced by uves_reduce_mflat().
void uves_mflat_exe_body | ( | cpl_frameset * | frames, | |
const cpl_parameterlist * | parameters, | |||
const char * | starttime, | |||
const char * | recipe_id | |||
) |
Get the command line options and execute the data reduction.
parameters | the parameters list | |
frames | the frames list |
After computing the master flat frame, the pixel average, standard deviation and median values are also computed and written in appropriate keywords in the output image header.
Definition at line 409 of file uves_reduce_mflat.c.
References check, uves_mflat_one(), and uves_msflats().
const char* const uves_mflat_desc |
"This recipe creates a master flat frame by 1) subtracting the master bias\n" "frame from each flat field frame, 2) dividing each flat field frame by the\n" " exposure time for that frame, 3) taking the median of all bias subtracted,\n" " normalized raw\n flat frames, 4) optionally subtracting the master dark \n" "frame, and 5) subtracting\n the background to get the bias subtracted, \n" "optionally dark subtracted, normalized, background subtracted master \n" "flat-field frame. Symbolically,\n" " masterflat = median( (flat_i - masterbias)/exptime_i ) - masterdark/exptime\n" " - background.\n" "\n" "The input flat field frames must have same tag which must match\n" "(I|D|S|T|SCREEN|)FLAT_(BLUE|RED), for example TFLAT_BLUE or FLAT_RED. Also, a\n" "master bias (MASTER_BIAS_xxxx) and ordertable (ORDER_TABLE_xxxx) must be\n" "provided for each chip (xxxx = BLUE, REDL, REDU). A master dark frame\n" "(MASTER_(P)DARK_xxxx) may optionally be provided. On blue input the recipe\n" "computes one master flat field frame; on red input the recipe produces a\n" "master flat field frame for each chip (MASTER_FLAT_xxxx, MASTER_IFLAT_xxxx,\n" "MASTER_DFLAT_xxxx, MASTER_TFLAT_xxxx or MASTER_SCREEN_FLAT_xxxx)."
Definition at line 97 of file uves_reduce_mflat.c.