FORS Pipeline Reference Manual 4.9.9
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00001 /* $Id: fors_trace_flat.c,v 1.5 2010/09/14 07:38:16 cizzo Exp $ 00002 * 00003 * This file is part of the FORS Data Reduction Pipeline 00004 * Copyright (C) 2002-2010 European Southern Observatory 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 /* 00022 * $Author: cizzo $ 00023 * $Date: 2010/09/14 07:38:16 $ 00024 * $Revision: 1.5 $ 00025 * $Name: fors-4_9_9 $ 00026 */ 00027 00028 #ifdef HAVE_CONFIG_H 00029 #include <config.h> 00030 #endif 00031 00032 #include <math.h> 00033 #include <cpl.h> 00034 #include <moses.h> 00035 #include <fors_dfs.h> 00036 00037 static int fors_trace_flat_create(cpl_plugin *); 00038 static int fors_trace_flat_exec(cpl_plugin *); 00039 static int fors_trace_flat_destroy(cpl_plugin *); 00040 static int fors_trace_flat(cpl_parameterlist *, cpl_frameset *); 00041 00042 static char fors_trace_flat_description[] = 00043 "This recipe is used to trace the edges of MOS/MXU flat field slit spectra\n" 00044 "and determine the spectral curvature solution. The input master flat field\n" 00045 "image, product of the recipe fors_flat, is expected to be oriented with\n" 00046 "horizontal dispersion direction and red wavelengths on the right side.\n" 00047 "The input slits location table should be the product of the recipe\n" 00048 "fors_detect_spectra.\n" 00049 "\n" 00050 "The input master flat image is shifted one pixel down and is subtracted\n" 00051 "from the original image. The result is a vertical gradient map. Next,\n" 00052 "the negative values are forced positive, to obtain an absolute gradient\n" 00053 "map. The map is passed with a horizontal median filter, and after that\n" 00054 "the gradient peaks are traced starting from the slits positions listed\n" 00055 "in the input slits location table. The number of pixels to the left and\n" 00056 "to the right of the reference pixel is trivially derived from the specified\n" 00057 "spectral range and spectral dispersion.\n" 00058 "\n" 00059 "The output spectral curvature table contains the coefficients of the\n" 00060 "polynomial fitting of the found traces, while the output trace table\n" 00061 "contains the traced spectral edges positions in CCD (Y) coordinates for\n" 00062 "each spectrum, and their comparison with their modeling. A spatial map\n" 00063 "is also created, where to each CCD pixel is assigned the value of the\n" 00064 "spatial coordinate along the slit (in pixel). For more details please\n" 00065 "refer to the FORS Pipeline User's Manual.\n" 00066 "\n" 00067 "Note that specifying an input GRISM_TABLE will set some of the recipe\n" 00068 "configuration parameters to default values valid for a particular grism.\n" 00069 "Again, see the pipeline manual for more details.\n" 00070 "\n" 00071 "In the table below the MXU acronym can be alternatively read as MOS.\n\n" 00072 "Input files:\n\n" 00073 " DO category: Type: Explanation: Required:\n" 00074 " MASTER_SCREEN_FLAT_MXU Calib Master flat frame Y\n" 00075 " SLIT_LOCATION_DETECT_MXU Calib Slits location Y\n" 00076 " GRISM_TABLE Calib Grism table .\n\n" 00077 "Output files:\n\n" 00078 " DO category: Data type: Explanation:\n" 00079 " CURV_TRACES_MXU FITS table Flat field tracings\n" 00080 " CURV_COEFF_MXU FITS table Spectral curvature table\n" 00081 " SPATIAL_MAP_MXU FITS image Map of spatial coordinate\n\n"; 00082 00083 #define fors_trace_flat_exit(message) \ 00084 { \ 00085 if (message) cpl_msg_error(recipe, message); \ 00086 cpl_image_delete(master_flat); \ 00087 cpl_image_delete(spatial); \ 00088 cpl_image_delete(coordinate); \ 00089 cpl_table_delete(grism_table); \ 00090 cpl_table_delete(maskslits); \ 00091 cpl_table_delete(slits); \ 00092 cpl_table_delete(traces); \ 00093 cpl_table_delete(polytraces); \ 00094 cpl_propertylist_delete(header); \ 00095 cpl_msg_indent_less(); \ 00096 return -1; \ 00097 } 00098 00099 #define fors_trace_flat_exit_memcheck(message) \ 00100 { \ 00101 if (message) cpl_msg_info(recipe, message); \ 00102 printf("free master_flat (%p)\n", master_flat); \ 00103 cpl_image_delete(master_flat); \ 00104 printf("free spatial (%p)\n", spatial); \ 00105 cpl_image_delete(spatial); \ 00106 printf("free coordinate (%p)\n", coordinate); \ 00107 cpl_image_delete(coordinate); \ 00108 printf("free grism_table (%p)\n", grism_table); \ 00109 cpl_table_delete(grism_table); \ 00110 printf("free maskslits (%p)\n", maskslits); \ 00111 cpl_table_delete(maskslits); \ 00112 printf("free slits (%p)\n", slits); \ 00113 cpl_table_delete(slits); \ 00114 printf("free traces (%p)\n", traces); \ 00115 cpl_table_delete(traces); \ 00116 printf("free polytraces (%p)\n", polytraces); \ 00117 cpl_table_delete(polytraces); \ 00118 printf("free header (%p)\n", header); \ 00119 cpl_propertylist_delete(header); \ 00120 cpl_msg_indent_less(); \ 00121 return 0; \ 00122 } 00123 00124 00136 int cpl_plugin_get_info(cpl_pluginlist *list) 00137 { 00138 cpl_recipe *recipe = cpl_calloc(1, sizeof *recipe ); 00139 cpl_plugin *plugin = &recipe->interface; 00140 00141 cpl_plugin_init(plugin, 00142 CPL_PLUGIN_API, 00143 FORS_BINARY_VERSION, 00144 CPL_PLUGIN_TYPE_RECIPE, 00145 "fors_trace_flat", 00146 "Determine spectral curvature model", 00147 fors_trace_flat_description, 00148 "Carlo Izzo", 00149 PACKAGE_BUGREPORT, 00150 "This file is currently part of the FORS Instrument Pipeline\n" 00151 "Copyright (C) 2002-2010 European Southern Observatory\n\n" 00152 "This program is free software; you can redistribute it and/or modify\n" 00153 "it under the terms of the GNU General Public License as published by\n" 00154 "the Free Software Foundation; either version 2 of the License, or\n" 00155 "(at your option) any later version.\n\n" 00156 "This program is distributed in the hope that it will be useful,\n" 00157 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" 00158 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" 00159 "GNU General Public License for more details.\n\n" 00160 "You should have received a copy of the GNU General Public License\n" 00161 "along with this program; if not, write to the Free Software Foundation,\n" 00162 "Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n", 00163 fors_trace_flat_create, 00164 fors_trace_flat_exec, 00165 fors_trace_flat_destroy); 00166 00167 cpl_pluginlist_append(list, plugin); 00168 00169 return 0; 00170 } 00171 00172 00183 static int fors_trace_flat_create(cpl_plugin *plugin) 00184 { 00185 cpl_recipe *recipe; 00186 cpl_parameter *p; 00187 00188 /* 00189 * Check that the plugin is part of a valid recipe 00190 */ 00191 00192 if (cpl_plugin_get_type(plugin) == CPL_PLUGIN_TYPE_RECIPE) 00193 recipe = (cpl_recipe *)plugin; 00194 else 00195 return -1; 00196 00197 /* 00198 * Create the (empty) parameters list in the cpl_recipe object 00199 */ 00200 00201 recipe->parameters = cpl_parameterlist_new(); 00202 00203 /* 00204 * Dispersion 00205 */ 00206 00207 p = cpl_parameter_new_value("fors.fors_trace_flat.dispersion", 00208 CPL_TYPE_DOUBLE, 00209 "Expected spectral dispersion (Angstrom/pixel)", 00210 "fors.fors_trace_flat", 00211 0.0); 00212 cpl_parameter_set_alias(p, CPL_PARAMETER_MODE_CLI, "dispersion"); 00213 cpl_parameter_disable(p, CPL_PARAMETER_MODE_ENV); 00214 cpl_parameterlist_append(recipe->parameters, p); 00215 00216 /* 00217 * Start wavelength for spectral extraction 00218 */ 00219 00220 p = cpl_parameter_new_value("fors.fors_trace_flat.startwavelength", 00221 CPL_TYPE_DOUBLE, 00222 "Start wavelength in spectral extraction", 00223 "fors.fors_trace_flat", 00224 0.0); 00225 cpl_parameter_set_alias(p, CPL_PARAMETER_MODE_CLI, "startwavelength"); 00226 cpl_parameter_disable(p, CPL_PARAMETER_MODE_ENV); 00227 cpl_parameterlist_append(recipe->parameters, p); 00228 00229 /* 00230 * End wavelength for spectral extraction 00231 */ 00232 00233 p = cpl_parameter_new_value("fors.fors_trace_flat.endwavelength", 00234 CPL_TYPE_DOUBLE, 00235 "End wavelength in spectral extraction", 00236 "fors.fors_trace_flat", 00237 0.0); 00238 cpl_parameter_set_alias(p, CPL_PARAMETER_MODE_CLI, "endwavelength"); 00239 cpl_parameter_disable(p, CPL_PARAMETER_MODE_ENV); 00240 cpl_parameterlist_append(recipe->parameters, p); 00241 00242 /* 00243 * Degree of spectral curvature polynomial 00244 */ 00245 00246 p = cpl_parameter_new_value("fors.fors_trace_flat.cdegree", 00247 CPL_TYPE_INT, 00248 "Degree of spectral curvature polynomial", 00249 "fors.fors_trace_flat", 00250 0); 00251 cpl_parameter_set_alias(p, CPL_PARAMETER_MODE_CLI, "cdegree"); 00252 cpl_parameter_disable(p, CPL_PARAMETER_MODE_ENV); 00253 cpl_parameterlist_append(recipe->parameters, p); 00254 00255 /* 00256 * Curvature solution interpolation (for MOS-like data) 00257 */ 00258 00259 p = cpl_parameter_new_value("fors.fors_trace_flat.cmode", 00260 CPL_TYPE_INT, 00261 "Interpolation mode of curvature solution " 00262 "applicable to MOS-like data (0 = no " 00263 "interpolation, 1 = fill gaps, 2 = global " 00264 "model)", 00265 "fors.fors_trace_flat", 00266 1); 00267 cpl_parameter_set_alias(p, CPL_PARAMETER_MODE_CLI, "cmode"); 00268 cpl_parameter_disable(p, CPL_PARAMETER_MODE_ENV); 00269 cpl_parameterlist_append(recipe->parameters, p); 00270 00271 return 0; 00272 } 00273 00274 00283 static int fors_trace_flat_exec(cpl_plugin *plugin) 00284 { 00285 cpl_recipe *recipe; 00286 00287 if (cpl_plugin_get_type(plugin) == CPL_PLUGIN_TYPE_RECIPE) 00288 recipe = (cpl_recipe *)plugin; 00289 else 00290 return -1; 00291 00292 return fors_trace_flat(recipe->parameters, recipe->frames); 00293 } 00294 00295 00304 static int fors_trace_flat_destroy(cpl_plugin *plugin) 00305 { 00306 cpl_recipe *recipe; 00307 00308 if (cpl_plugin_get_type(plugin) == CPL_PLUGIN_TYPE_RECIPE) 00309 recipe = (cpl_recipe *)plugin; 00310 else 00311 return -1; 00312 00313 cpl_parameterlist_delete(recipe->parameters); 00314 00315 return 0; 00316 } 00317 00318 00328 static int fors_trace_flat(cpl_parameterlist *parlist, 00329 cpl_frameset *frameset) 00330 { 00331 00332 const char *recipe = "fors_trace_flat"; 00333 00334 00335 /* 00336 * Input parameters 00337 */ 00338 00339 double dispersion; 00340 double startwavelength; 00341 double endwavelength; 00342 int cdegree; 00343 int cmode; 00344 00345 /* 00346 * CPL objects 00347 */ 00348 00349 cpl_image *master_flat = NULL; 00350 cpl_image *coordinate = NULL; 00351 cpl_image *spatial = NULL; 00352 cpl_table *grism_table = NULL; 00353 cpl_table *maskslits = NULL; 00354 cpl_table *slits = NULL; 00355 cpl_table *traces = NULL; 00356 cpl_table *polytraces = NULL; 00357 cpl_propertylist *header = NULL; 00358 00359 /* 00360 * Auxiliary variables 00361 */ 00362 00363 char version[80]; 00364 const char *master_flat_tag; 00365 const char *spatial_map_tag; 00366 const char *slit_detect_tag; 00367 const char *slit_location_tag; 00368 const char *curv_traces_tag; 00369 const char *curv_coeff_tag; 00370 int flat_mxu; 00371 int flat_mos; 00372 int flat_lss; 00373 int mxu, mos; 00374 int nflat; 00375 int nslits; 00376 int rebin; 00377 int nx, ny; 00378 int treat_as_lss; 00379 int i; 00380 double reference; 00381 double *xpos; 00382 double mxpos; 00383 00384 char *instrume = NULL; 00385 00386 00387 cpl_msg_set_indentation(2); 00388 00389 if (dfs_files_dont_exist(frameset)) 00390 fors_trace_flat_exit(NULL); 00391 00392 00393 /* 00394 * Get configuration parameters 00395 */ 00396 00397 cpl_msg_info(recipe, "Recipe %s configuration parameters:", recipe); 00398 cpl_msg_indent_more(); 00399 00400 if (cpl_frameset_count_tags(frameset, "GRISM_TABLE") > 1) 00401 fors_trace_flat_exit("Too many in input: GRISM_TABLE"); 00402 00403 grism_table = dfs_load_table(frameset, "GRISM_TABLE", 1); 00404 00405 dispersion = dfs_get_parameter_double(parlist, 00406 "fors.fors_trace_flat.dispersion", grism_table); 00407 00408 if (dispersion <= 0.0) 00409 fors_trace_flat_exit("Invalid spectral dispersion value"); 00410 00411 startwavelength = dfs_get_parameter_double(parlist, 00412 "fors.fors_trace_flat.startwavelength", grism_table); 00413 if (startwavelength > 1.0) 00414 if (startwavelength < 3000.0 || startwavelength > 13000.0) 00415 fors_trace_flat_exit("Invalid wavelength"); 00416 00417 endwavelength = dfs_get_parameter_double(parlist, 00418 "fors.fors_trace_flat.endwavelength", grism_table); 00419 if (endwavelength > 1.0) { 00420 if (endwavelength < 3000.0 || endwavelength > 13000.0) 00421 fors_trace_flat_exit("Invalid wavelength"); 00422 if (startwavelength < 1.0) 00423 fors_trace_flat_exit("Invalid wavelength interval"); 00424 } 00425 00426 if (startwavelength > 1.0) 00427 if (endwavelength - startwavelength <= 0.0) 00428 fors_trace_flat_exit("Invalid wavelength interval"); 00429 00430 cdegree = dfs_get_parameter_int(parlist, 00431 "fors.fors_trace_flat.cdegree", grism_table); 00432 00433 if (cdegree < 1) 00434 fors_trace_flat_exit("Invalid polynomial degree"); 00435 00436 if (cdegree > 5) 00437 fors_trace_flat_exit("Max allowed polynomial degree is 5"); 00438 00439 cmode = dfs_get_parameter_int(parlist, "fors.fors_trace_flat.cmode", NULL); 00440 00441 if (cmode < 0 || cmode > 2) 00442 fors_trace_flat_exit("Invalid curvature solution interpolation mode"); 00443 00444 cpl_table_delete(grism_table); grism_table = NULL; 00445 00446 if (cpl_error_get_code()) 00447 fors_trace_flat_exit("Failure reading the configuration parameters"); 00448 00449 00450 cpl_msg_indent_less(); 00451 cpl_msg_info(recipe, "Check input set-of-frames:"); 00452 cpl_msg_indent_more(); 00453 00454 nflat = flat_mxu = cpl_frameset_count_tags(frameset, 00455 "MASTER_SCREEN_FLAT_MXU"); 00456 nflat += flat_mos = cpl_frameset_count_tags(frameset, 00457 "MASTER_SCREEN_FLAT_MOS"); 00458 nflat += flat_lss = cpl_frameset_count_tags(frameset, 00459 "MASTER_SCREEN_FLAT_LSS"); 00460 00461 if (nflat == 0) { 00462 fors_trace_flat_exit("Missing input master flat field frame"); 00463 } 00464 if (nflat > 1) { 00465 cpl_msg_error(recipe, "Too many input flat frames (%d > 1)", nflat); 00466 fors_trace_flat_exit(NULL); 00467 } 00468 00469 mxu = mos = 0; 00470 00471 if (flat_mxu) { 00472 mxu = 1; 00473 master_flat_tag = "MASTER_SCREEN_FLAT_MXU"; 00474 slit_detect_tag = "SLIT_LOCATION_DETECT_MXU"; 00475 slit_location_tag = "SLIT_LOCATION_MXU"; 00476 curv_traces_tag = "CURV_TRACES_MXU"; 00477 curv_coeff_tag = "CURV_COEFF_MXU"; 00478 spatial_map_tag = "SPATIAL_MAP_MXU"; 00479 } 00480 else if (flat_mos) { 00481 mos = 1; 00482 master_flat_tag = "MASTER_SCREEN_FLAT_MOS"; 00483 slit_detect_tag = "SLIT_LOCATION_DETECT_MOS"; 00484 slit_location_tag = "SLIT_LOCATION_MOS"; 00485 curv_traces_tag = "CURV_TRACES_MOS"; 00486 curv_coeff_tag = "CURV_COEFF_MOS"; 00487 spatial_map_tag = "SPATIAL_MAP_MOS"; 00488 } 00489 else if (flat_lss) { 00490 fors_trace_flat_exit("LSS spectra are not traceable: use this recipe " 00491 "just for MOS/MXU data."); 00492 } 00493 00494 if (cpl_frameset_count_tags(frameset, slit_detect_tag) == 0) { 00495 cpl_msg_error(recipe, "Missing required input: %s", slit_detect_tag); 00496 fors_trace_flat_exit(NULL); 00497 } 00498 00499 if (cpl_frameset_count_tags(frameset, slit_detect_tag) > 1) { 00500 cpl_msg_error(recipe, "Too many in input: %s", slit_detect_tag); 00501 fors_trace_flat_exit(NULL); 00502 } 00503 00504 if (!dfs_equal_keyword(frameset, "ESO INS GRIS1 ID")) 00505 fors_trace_flat_exit("Input frames are not from the same grism"); 00506 00507 if (!dfs_equal_keyword(frameset, "ESO INS FILT1 ID")) 00508 fors_trace_flat_exit("Input frames are not from the same filter"); 00509 00510 if (!dfs_equal_keyword(frameset, "ESO DET CHIP1 ID")) 00511 fors_trace_flat_exit("Input frames are not from the same chip"); 00512 00513 00514 /* 00515 * Get the reference wavelength and the rebin factor along the 00516 * dispersion direction from the master flat frame 00517 */ 00518 00519 header = dfs_load_header(frameset, master_flat_tag, 0); 00520 00521 if (header == NULL) 00522 fors_trace_flat_exit("Cannot load master flat frame header"); 00523 00524 instrume = (char *)cpl_propertylist_get_string(header, "INSTRUME"); 00525 if (instrume == NULL) 00526 fors_trace_flat_exit("Missing keyword INSTRUME in master flat header"); 00527 00528 if (instrume[4] == '1') 00529 snprintf(version, 80, "%s/%s", "fors1", VERSION); 00530 if (instrume[4] == '2') 00531 snprintf(version, 80, "%s/%s", "fors2", VERSION); 00532 00533 reference = cpl_propertylist_get_double(header, "ESO INS GRIS1 WLEN"); 00534 00535 if (cpl_error_get_code() != CPL_ERROR_NONE) 00536 fors_trace_flat_exit("Missing keyword ESO INS GRIS1 WLEN " 00537 "in master flat frame header"); 00538 00539 if (reference < 3000.0) /* Perhaps in nanometers... */ 00540 reference *= 10; 00541 00542 if (reference < 3000.0 || reference > 13000.0) { 00543 cpl_msg_error(recipe, "Invalid central wavelength %.2f read from " 00544 "keyword ESO INS GRIS1 WLEN in master flat header", 00545 reference); 00546 fors_trace_flat_exit(NULL); 00547 } 00548 00549 cpl_msg_info(recipe, "The central wavelength is: %.2f", reference); 00550 00551 rebin = cpl_propertylist_get_int(header, "ESO DET WIN1 BINX"); 00552 00553 if (cpl_error_get_code() != CPL_ERROR_NONE) 00554 fors_trace_flat_exit("Missing keyword ESO DET WIN1 BINX " 00555 "in master flat header"); 00556 00557 if (rebin != 1) { 00558 dispersion *= rebin; 00559 cpl_msg_warning(recipe, "The rebin factor is %d, and therefore the " 00560 "working dispersion used is %f A/pixel", rebin, 00561 dispersion); 00562 } 00563 00564 00565 /* 00566 * Check if all slits have the same X offset: in such case, abort! 00567 */ 00568 00569 if (mos) 00570 maskslits = mos_load_slits_fors_mos(header); 00571 else 00572 maskslits = mos_load_slits_fors_mxu(header); 00573 00574 mxpos = cpl_table_get_column_median(maskslits, "xtop"); 00575 xpos = cpl_table_get_data_double(maskslits, "xtop"); 00576 nslits = cpl_table_get_nrow(maskslits); 00577 00578 treat_as_lss = 1; 00579 for (i = 0; i < nslits; i++) { 00580 if (fabs(mxpos-xpos[i]) > 0.01) { 00581 treat_as_lss = 0; 00582 break; 00583 } 00584 } 00585 00586 if (treat_as_lss) { 00587 cpl_msg_error(recipe, "All slits have the same offset: %.2f mm\n" 00588 "Spectra are not traceable: the LSS data reduction\n" 00589 "strategy must be applied.", mxpos); 00590 fors_trace_flat_exit(NULL); 00591 } 00592 00593 cpl_table_delete(maskslits); maskslits = NULL; 00594 00595 00596 cpl_msg_indent_less(); 00597 cpl_msg_info(recipe, "Load input frames..."); 00598 cpl_msg_indent_more(); 00599 00600 master_flat = dfs_load_image(frameset, master_flat_tag, 00601 CPL_TYPE_FLOAT, 0, 0); 00602 if (master_flat == NULL) 00603 fors_trace_flat_exit("Cannot load master flat field frame"); 00604 00605 slits = dfs_load_table(frameset, slit_detect_tag, 1); 00606 if (slits == NULL) 00607 fors_trace_flat_exit("Cannot load slits location table"); 00608 00609 00610 cpl_msg_indent_less(); 00611 cpl_msg_info(recipe, "Determining spectral curvature..."); 00612 cpl_msg_indent_more(); 00613 00614 cpl_msg_info(recipe, "Tracing master flat field spectra edges..."); 00615 traces = mos_trace_flat(master_flat, slits, reference, 00616 startwavelength, endwavelength, dispersion); 00617 00618 if (!traces) 00619 fors_trace_flat_exit("Tracing failure"); 00620 00621 cpl_msg_info(recipe, "Fitting flat field spectra edges..."); 00622 polytraces = mos_poly_trace(slits, traces, cdegree); 00623 00624 if (!polytraces) 00625 fors_trace_flat_exit("Trace fitting failure"); 00626 00627 if (cmode) { 00628 cpl_msg_info(recipe, "Computing global spectral curvature model..."); 00629 mos_global_trace(slits, polytraces, cmode); 00630 } 00631 00632 if (dfs_save_table(frameset, traces, curv_traces_tag, NULL, parlist, 00633 recipe, version)) 00634 fors_trace_flat_exit(NULL); 00635 00636 cpl_table_delete(traces); traces = NULL; 00637 00638 nx = cpl_image_get_size_x(master_flat); 00639 ny = cpl_image_get_size_y(master_flat); 00640 coordinate = cpl_image_new(nx, ny, CPL_TYPE_FLOAT); 00641 00642 spatial = mos_spatial_calibration(master_flat, slits, polytraces, 00643 reference, 00644 startwavelength, endwavelength, 00645 dispersion, 0, coordinate); 00646 00647 cpl_image_delete(master_flat); master_flat = NULL; 00648 cpl_image_delete(spatial); spatial = NULL; 00649 00650 if (dfs_save_image(frameset, coordinate, spatial_map_tag, header, 00651 parlist, recipe, version)) 00652 fors_trace_flat_exit(NULL); 00653 00654 cpl_image_delete(coordinate); coordinate = NULL; 00655 cpl_propertylist_delete(header); header = NULL; 00656 00657 if (dfs_save_table(frameset, slits, slit_location_tag, NULL, 00658 parlist, recipe, version)) 00659 fors_trace_flat_exit(NULL); 00660 00661 cpl_table_delete(slits); slits = NULL; 00662 00663 if (dfs_save_table(frameset, polytraces, curv_coeff_tag, NULL, 00664 parlist, recipe, version)) 00665 fors_trace_flat_exit(NULL); 00666 00667 cpl_table_delete(polytraces); polytraces = NULL; 00668 00669 return 0; 00670 }