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00028 #ifdef HAVE_CONFIG_H
00029 #include <config.h>
00030 #endif
00031
00032
00033
00034
00035
00036 #include "crires_recipe.h"
00037
00038 #include "crires_combine.h"
00039
00040
00041
00042
00043
00044 #define RECIPE_STRING "crires_spec_flat"
00045
00046
00047
00048
00049
00050 static cpl_imagelist * crires_spec_flat_reduce(cpl_frameset *, const char *,
00051 const char *) ;
00052 static cpl_imagelist * crires_spec_flat_bpm(cpl_imagelist *, double,
00053 double, double) ;
00054 static int crires_spec_flat_save(const cpl_imagelist *, const cpl_imagelist *,
00055 int, cpl_frameset *, const cpl_parameterlist *, cpl_frameset *) ;
00056 static int crires_spec_flat_compare(const cpl_frame *, const cpl_frame *) ;
00057
00058 static char crires_spec_flat_description[] =
00059 "crires_spec_flat -- Flat-field recipe\n"
00060 "The files listed in the Set Of Frames (sof-file) must be tagged:\n"
00061 "raw-file.fits "CRIRES_SPEC_FLAT_RAW" or\n"
00062 "dark-file.fits "CRIRES_CALPRO_DARK" or\n"
00063 "detlin-file.fits "CRIRES_CALPRO_COEFFS_CUBE".\n" ;
00064
00065 CRIRES_RECIPE_DEFINE(crires_spec_flat,
00066 CRIRES_PARAM_THRESHOLDS |
00067 CRIRES_PARAM_BPM_RATE |
00068 CRIRES_PARAM_REPLACE |
00069 CRIRES_PARAM_CLEAN_FLAT |
00070 CRIRES_PARAM_NORM_STARTY |
00071 CRIRES_PARAM_NORM_STOPY |
00072 CRIRES_PARAM_KAPPA_SIGCLIP |
00073 CRIRES_PARAM_COLLAPSE_METH,
00074 "Flatfield recipe",
00075 crires_spec_flat_description) ;
00076
00077
00078
00079
00080
00081 static struct {
00082
00083 double bpm_low ;
00084 double bpm_high ;
00085 double bpm_lines_ratio ;
00086 int replace_flag ;
00087 int clean_flat_flag ;
00088 int starty ;
00089 int stopy ;
00090 double kappa_sigclip ;
00091 crires_collapse_method coll_meth ;
00092
00093 crires_illum_period period ;
00094 int bpm_nb[CRIRES_NB_DETECTORS] ;
00095 double flat_mean[CRIRES_NB_DETECTORS] ;
00096 double flat_stdev[CRIRES_NB_DETECTORS] ;
00097 double flat_flux[CRIRES_NB_DETECTORS] ;
00098 double flat_master_rms[CRIRES_NB_DETECTORS] ;
00099 } crires_spec_flat_config ;
00100
00101
00102
00103
00104
00105
00112
00113 static int crires_spec_flat(
00114 cpl_frameset * frameset,
00115 const cpl_parameterlist * parlist)
00116 {
00117 const char * sval ;
00118 int * labels ;
00119 int nlabels ;
00120 cpl_frameset * rawframes ;
00121 const char * dark ;
00122 const char * detlin ;
00123 cpl_imagelist * flat ;
00124 cpl_frameset * flat_one ;
00125 cpl_imagelist * bpm ;
00126 int i ;
00127
00128
00129 rawframes = NULL ;
00130 for (i=0 ; i<CRIRES_NB_DETECTORS ; i++) {
00131 crires_spec_flat_config.bpm_nb[i] = -1 ;
00132 crires_spec_flat_config.flat_mean[i] = -1.0 ;
00133 crires_spec_flat_config.flat_stdev[i] = -1.0 ;
00134 crires_spec_flat_config.flat_flux[i] = -1.0 ;
00135 crires_spec_flat_config.flat_master_rms[i] = -1.0 ;
00136 }
00137
00138
00139 sval = crires_parameterlist_get_string(parlist, RECIPE_STRING,
00140 CRIRES_PARAM_THRESHOLDS) ;
00141 if (sscanf(sval, "%lg,%lg",
00142 &crires_spec_flat_config.bpm_low,
00143 &crires_spec_flat_config.bpm_high)!=2) {
00144 return -1 ;
00145 }
00146 crires_spec_flat_config.replace_flag = crires_parameterlist_get_bool(
00147 parlist, RECIPE_STRING, CRIRES_PARAM_REPLACE) ;
00148 crires_spec_flat_config.clean_flat_flag = crires_parameterlist_get_bool(
00149 parlist, RECIPE_STRING, CRIRES_PARAM_CLEAN_FLAT) ;
00150 crires_spec_flat_config.bpm_lines_ratio = crires_parameterlist_get_double(
00151 parlist, RECIPE_STRING, CRIRES_PARAM_BPM_RATE) ;
00152 crires_spec_flat_config.starty = crires_parameterlist_get_int(parlist,
00153 RECIPE_STRING, CRIRES_PARAM_NORM_STARTY) ;
00154 crires_spec_flat_config.stopy = crires_parameterlist_get_int(parlist,
00155 RECIPE_STRING, CRIRES_PARAM_NORM_STOPY) ;
00156 crires_spec_flat_config.kappa_sigclip = crires_parameterlist_get_double(
00157 parlist, RECIPE_STRING, CRIRES_PARAM_KAPPA_SIGCLIP) ;
00158 sval = crires_parameterlist_get_string(parlist, RECIPE_STRING,
00159 CRIRES_PARAM_COLLAPSE_METH) ;
00160 if (!strcmp(sval, "avg"))
00161 crires_spec_flat_config.coll_meth = CRIRES_COLLAPSE_AVG ;
00162 else if (!strcmp(sval, "med"))
00163 crires_spec_flat_config.coll_meth = CRIRES_COLLAPSE_MED ;
00164 else if (!strcmp(sval, "sig"))
00165 crires_spec_flat_config.coll_meth = CRIRES_COLLAPSE_SIG ;
00166 else {
00167 cpl_msg_error(__func__, "Invalid collapse method specified");
00168 return -1;
00169 }
00170
00171
00172 if (crires_dfs_set_groups(frameset, "crires_spec_flat")) {
00173 cpl_msg_error(__func__, "Cannot identify RAW and CALIB frames") ;
00174 return -1 ;
00175 }
00176
00177
00178 dark = crires_extract_filename(frameset, CRIRES_CALPRO_DARK) ;
00179 detlin = crires_extract_filename(frameset, CRIRES_CALPRO_COEFFS_CUBE) ;
00180
00181
00182 if ((rawframes = crires_extract_frameset(frameset,
00183 CRIRES_SPEC_FLAT_RAW)) == NULL) {
00184 cpl_msg_error(__func__, "No raw frame in input") ;
00185 return -1 ;
00186 }
00187
00188
00189 crires_spec_flat_config.period =
00190 crires_get_detector_illum_period(
00191 cpl_frame_get_filename(cpl_frameset_get_frame(rawframes, 0))) ;
00192 if (crires_spec_flat_config.period == CRIRES_ILLUM_UNKNOWN) {
00193 cpl_msg_error(__func__,
00194 "Cannot determine the detector illumination period") ;
00195 cpl_frameset_delete(rawframes) ;
00196 return -1 ;
00197 } else {
00198 crires_display_detector_illum(crires_spec_flat_config.period) ;
00199 }
00200
00201
00202 if ((labels = cpl_frameset_labelise(rawframes, crires_spec_flat_compare,
00203 &nlabels)) == NULL) {
00204 cpl_msg_error(__func__, "Cannot labelise input frames") ;
00205 cpl_frameset_delete(rawframes) ;
00206 return -1 ;
00207 }
00208
00209
00210 for (i=0 ; i<nlabels ; i++) {
00211
00212 cpl_msg_info(__func__, "Reduce data set %d / %d", i+1, nlabels);
00213 cpl_msg_indent_more() ;
00214 flat_one = cpl_frameset_extract(rawframes, labels, i) ;
00215 flat = crires_spec_flat_reduce(flat_one, dark, detlin) ;
00216 cpl_msg_indent_less() ;
00217
00218
00219 cpl_msg_info(__func__, "Save the products") ;
00220 cpl_msg_indent_more() ;
00221 if (flat == NULL) {
00222 cpl_msg_warning(__func__, "Cannot reduce set nb %d", i+1) ;
00223 } else {
00224 if ((bpm = crires_spec_flat_bpm(flat,
00225 crires_spec_flat_config.bpm_low,
00226 crires_spec_flat_config.bpm_high,
00227 crires_spec_flat_config.bpm_lines_ratio)) == NULL) {
00228 cpl_msg_warning(__func__, "Cannot create bad pixels map") ;
00229 }
00230 crires_spec_flat_save(flat, bpm, i+1, flat_one, parlist, frameset) ;
00231 cpl_imagelist_delete(flat) ;
00232 cpl_imagelist_delete(bpm) ;
00233 }
00234 cpl_msg_indent_less() ;
00235 cpl_frameset_delete(flat_one) ;
00236 }
00237 cpl_frameset_delete(rawframes) ;
00238 cpl_free(labels) ;
00239
00240
00241 if (cpl_error_get_code()) return -1 ;
00242 else return 0 ;
00243 }
00244
00245
00253
00254 static cpl_imagelist * crires_spec_flat_reduce(
00255 cpl_frameset * flatframes,
00256 const char * dark,
00257 const char * detlin)
00258 {
00259 cpl_propertylist * plist ;
00260 cpl_frame * ref_frame ;
00261 const char * fname ;
00262 int nframes ;
00263 double dit_frame, dit_dark ;
00264 cpl_imagelist * in ;
00265 cpl_imagelist * out ;
00266 cpl_vector * medians ;
00267 double median ;
00268 cpl_image * ima ;
00269 int nx, ny, starty, stopy, ly ;
00270 int i, j ;
00271
00272
00273 if (flatframes == NULL) return NULL ;
00274
00275
00276 nframes = cpl_frameset_get_size(flatframes) ;
00277 ly = -1 ;
00278
00279
00280 ref_frame = cpl_frameset_get_frame(flatframes, 0) ;
00281 fname = cpl_frame_get_filename(ref_frame) ;
00282 if ((plist=cpl_propertylist_load(cpl_frame_get_filename(ref_frame),
00283 0)) == NULL) {
00284 cpl_msg_error(__func__, "Getting header from RAW file");
00285 cpl_msg_indent_less() ;
00286 return NULL ;
00287 }
00288 dit_frame = crires_pfits_get_dit(plist) ;
00289 cpl_propertylist_delete(plist) ;
00290 if (cpl_error_get_code()) {
00291 cpl_msg_error(__func__, "Cannot get the DIT from RAW file") ;
00292 cpl_msg_indent_less() ;
00293 return NULL ;
00294 }
00295 cpl_msg_info(__func__, "DIT value: %g sec.", dit_frame) ;
00296
00297
00298 if (dark != NULL) {
00299 cpl_msg_info(__func__, "Verify the dark DIT") ;
00300 cpl_msg_indent_more() ;
00301 if ((plist=cpl_propertylist_load(dark, 0)) == NULL) {
00302 cpl_msg_error(__func__, "Getting header from DARK");
00303 cpl_msg_indent_less() ;
00304 return NULL ;
00305 }
00306 dit_dark = crires_pfits_get_dit(plist) ;
00307 cpl_propertylist_delete(plist) ;
00308 if (cpl_error_get_code()) {
00309 cpl_msg_error(__func__, "Cannot get the DIT from DARK") ;
00310 cpl_msg_indent_less() ;
00311 return NULL ;
00312 }
00313 if (fabs(dit_dark-dit_frame) > 1e-5) {
00314 cpl_msg_error(__func__, "Mismatch RAW DIT (%g) / DARK DIT (%g)",
00315 dit_frame, dit_dark) ;
00316 cpl_msg_indent_less() ;
00317 return NULL ;
00318 }
00319 cpl_msg_indent_less() ;
00320 }
00321
00322
00323 out = cpl_imagelist_new() ;
00324
00325
00326 for (i=0 ; i<CRIRES_NB_DETECTORS ; i++) {
00327 cpl_msg_info(__func__, "Compute the MASTER FLAT for chip nb %d", i+1) ;
00328 cpl_msg_indent_more() ;
00329
00330
00331 in = crires_load_frameset(flatframes, crires_spec_flat_config.period,
00332 i+1, CPL_TYPE_FLOAT) ;
00333 nx = cpl_image_get_size_x(cpl_imagelist_get(in, 0)) ;
00334 ny = cpl_image_get_size_y(cpl_imagelist_get(in, 0)) ;
00335
00336
00337 if (crires_calib_chip_list(in, crires_spec_flat_config.period, i+1,
00338 NULL, dark, NULL, detlin, dit_frame)) {
00339 cpl_msg_error(__func__, "Cannot apply the calibrations") ;
00340 cpl_imagelist_delete(in) ;
00341 return NULL ;
00342 }
00343
00344
00345 medians = cpl_vector_new(nframes) ;
00346
00347
00348 if (i+1 == 1)
00349 ly = crires_get_detector_ly1(crires_spec_flat_config.period) ;
00350 if (i+1 == 2)
00351 ly = crires_get_detector_ly2(crires_spec_flat_config.period) ;
00352 if (i+1 == 3)
00353 ly = crires_get_detector_ly3(crires_spec_flat_config.period) ;
00354 if (i+1 == 4)
00355 ly = crires_get_detector_ly4(crires_spec_flat_config.period) ;
00356 starty = crires_spec_flat_config.starty ;
00357 if (starty < 0) {
00358 starty = 1 ;
00359 } else {
00360 starty -= (ly - 1) ;
00361 }
00362 stopy = crires_spec_flat_config.stopy ;
00363 if (stopy < 0) {
00364 stopy = ny ;
00365 } else {
00366 stopy -= (ly - 1) ;
00367 }
00368
00369
00370 cpl_msg_info(__func__, "Normalise with the median") ;
00371 for (j=0 ; j<nframes ; j++) {
00372 median = cpl_image_get_median_window(cpl_imagelist_get(in, j),
00373 1, starty, nx, stopy) ;
00374 if (cpl_error_get_code()) {
00375 cpl_msg_error(__func__, "Invalid bounds Y : %d-%d", ly,
00376 ly+ny-1) ;
00377 cpl_imagelist_delete(in) ;
00378 cpl_vector_delete(medians) ;
00379 return NULL ;
00380 }
00381 cpl_vector_set(medians, j, median) ;
00382 cpl_image_divide_scalar(cpl_imagelist_get(in, j), median) ;
00383 }
00384
00385
00386 crires_spec_flat_config.flat_mean[i] = cpl_vector_get_mean(medians) ;
00387 if (cpl_vector_get_size(medians) > 1)
00388 crires_spec_flat_config.flat_stdev[i]=cpl_vector_get_stdev(medians);
00389 else
00390 crires_spec_flat_config.flat_stdev[i] = -1.0 ;
00391 crires_spec_flat_config.flat_flux[i] =
00392 crires_spec_flat_config.flat_mean[i] / dit_frame ;
00393
00394
00395 if ((ima = crires_combine_collapse_imagelist(in, medians,
00396 crires_spec_flat_config.kappa_sigclip,
00397 i+1,
00398 crires_spec_flat_config.coll_meth)) == NULL) {
00399 cpl_msg_error(__func__, "Cannot average the flats") ;
00400 cpl_imagelist_delete(in) ;
00401 cpl_vector_delete(medians) ;
00402 return NULL ;
00403 }
00404 cpl_vector_delete(medians) ;
00405 cpl_imagelist_delete(in) ;
00406
00407
00408 crires_spec_flat_config.flat_master_rms[i] =
00409 cpl_image_get_stdev(ima) ;
00410
00411
00412 cpl_imagelist_set(out, ima, i) ;
00413 cpl_msg_indent_less() ;
00414 }
00415
00416 return out ;
00417 }
00418
00419
00428
00429 static cpl_imagelist * crires_spec_flat_bpm(
00430 cpl_imagelist * flat,
00431 double low,
00432 double high,
00433 double bad_per_line_limit)
00434 {
00435 cpl_imagelist * bpm ;
00436 int nima ;
00437 cpl_image * bpm_cur ;
00438 cpl_mask * mask_cur ;
00439 cpl_binary * pmask_cur ;
00440 int nx, ny, cur_bp_nb ;
00441 int i, j, k ;
00442
00443
00444 if (flat == NULL) return NULL ;
00445
00446
00447 nima = cpl_imagelist_get_size(flat) ;
00448
00449
00450 bpm = cpl_imagelist_new() ;
00451
00452
00453 for (i=0 ; i<nima ; i++) {
00454
00455 if ((mask_cur = cpl_mask_threshold_image_create(
00456 cpl_imagelist_get(flat, i), low, high)) == NULL) {
00457 cpl_msg_error(__func__, "Cannot create bad pixels map") ;
00458 cpl_imagelist_delete(bpm) ;
00459 return NULL ;
00460 }
00461 cpl_mask_not(mask_cur) ;
00462
00463
00464
00465
00466
00467
00468
00469 nx = cpl_mask_get_size_x(mask_cur) ;
00470 ny = cpl_mask_get_size_y(mask_cur) ;
00471 pmask_cur = cpl_mask_get_data(mask_cur) ;
00472 for (j=0 ; j<ny ; j++) {
00473 cur_bp_nb = cpl_mask_count_window(mask_cur, 1, j+1, nx, j+1) ;
00474
00475 if (cur_bp_nb > bad_per_line_limit * nx) {
00476
00477 for (k=0 ; k<nx ; k++) {
00478 pmask_cur[k+j*nx] = CPL_BINARY_0 ;
00479 }
00480 }
00481 }
00482
00483
00484 bpm_cur = cpl_image_new_from_mask(mask_cur) ;
00485 crires_spec_flat_config.bpm_nb[i] = cpl_mask_count(mask_cur) ;
00486 cpl_imagelist_set(bpm, bpm_cur, i) ;
00487
00488
00489 if (crires_spec_flat_config.clean_flat_flag) {
00490 cpl_image_reject_from_mask(cpl_imagelist_get(flat, i), mask_cur) ;
00491 cpl_detector_interpolate_rejected(cpl_imagelist_get(flat, i)) ;
00492 }
00493 cpl_mask_delete(mask_cur) ;
00494
00495
00496 if (crires_spec_flat_config.replace_flag) {
00497 cpl_image_threshold(cpl_imagelist_get(flat, i),
00498 low, high, 1.0, 1.0) ;
00499 }
00500 }
00501 return bpm ;
00502 }
00503
00504
00514
00515 static int crires_spec_flat_save(
00516 const cpl_imagelist * flat,
00517 const cpl_imagelist * bpm,
00518 int set_nb,
00519 cpl_frameset * set,
00520 const cpl_parameterlist * parlist,
00521 cpl_frameset * set_tot)
00522 {
00523 cpl_propertylist ** qclists ;
00524 const cpl_frame * ref_frame ;
00525 char * filename ;
00526 cpl_propertylist * inputlist ;
00527 const char * recipe_name = "crires_spec_flat" ;
00528 int i ;
00529
00530
00531 ref_frame = irplib_frameset_get_first_from_group(set, CPL_FRAME_GROUP_RAW) ;
00532
00533
00534 qclists = cpl_malloc(CRIRES_NB_DETECTORS * sizeof(cpl_propertylist*)) ;
00535 for (i=0 ; i<CRIRES_NB_DETECTORS ; i++) {
00536 qclists[i] = cpl_propertylist_new() ;
00537 cpl_propertylist_append_int(qclists[i], "ESO QC NBBAD",
00538 crires_spec_flat_config.bpm_nb[i]) ;
00539 cpl_propertylist_append_double(qclists[i], "ESO QC FLAT MEAN",
00540 crires_spec_flat_config.flat_mean[i]) ;
00541 cpl_propertylist_append_double(qclists[i], "ESO QC FLAT STDEV",
00542 crires_spec_flat_config.flat_stdev[i]) ;
00543 cpl_propertylist_append_double(qclists[i], "ESO QC FLAT FLUX",
00544 crires_spec_flat_config.flat_flux[i]) ;
00545 cpl_propertylist_append_double(qclists[i], "ESO QC FLAT MASTER RMS",
00546 crires_spec_flat_config.flat_master_rms[i]) ;
00547
00548
00549 inputlist = cpl_propertylist_load_regexp(
00550 cpl_frame_get_filename(ref_frame), i+1,
00551 CRIRES_HEADER_EXT_FORWARD, 0) ;
00552 cpl_propertylist_copy_property_regexp(qclists[i], inputlist,
00553 CRIRES_HEADER_EXT_FORWARD, 0) ;
00554 cpl_propertylist_delete(inputlist) ;
00555 }
00556
00557
00558 filename = cpl_sprintf("%s_set%02d.fits", recipe_name, set_nb) ;
00559 crires_image_save(set_tot,
00560 parlist,
00561 set,
00562 flat,
00563 recipe_name,
00564 CRIRES_CALPRO_FLAT,
00565 CRIRES_PROTYPE_FLAT,
00566 crires_spec_flat_config.period,
00567 NULL,
00568 (const cpl_propertylist**)qclists,
00569 PACKAGE "/" PACKAGE_VERSION,
00570 filename) ;
00571 cpl_free(filename) ;
00572
00573
00574 if (bpm != NULL) {
00575 filename = cpl_sprintf("%s_set%02d_bpm.fits", recipe_name, set_nb) ;
00576 crires_image_save(set_tot,
00577 parlist,
00578 set,
00579 bpm,
00580 recipe_name,
00581 CRIRES_CALPRO_BPM,
00582 CRIRES_PROTYPE_BPM,
00583 crires_spec_flat_config.period,
00584 NULL,
00585 (const cpl_propertylist**)qclists,
00586 PACKAGE "/" PACKAGE_VERSION,
00587 filename) ;
00588 cpl_free(filename) ;
00589 }
00590
00591
00592 for (i=0 ; i<CRIRES_NB_DETECTORS ; i++) {
00593 cpl_propertylist_delete(qclists[i]) ;
00594 }
00595 cpl_free(qclists) ;
00596 return 0;
00597 }
00598
00599
00606
00607 static int crires_spec_flat_compare(
00608 const cpl_frame * frame1,
00609 const cpl_frame * frame2)
00610 {
00611 int comparison ;
00612 cpl_propertylist * plist1 ;
00613 cpl_propertylist * plist2 ;
00614 double dval1, dval2 ;
00615
00616
00617 if (frame1==NULL || frame2==NULL) return -1 ;
00618
00619
00620 if ((plist1=cpl_propertylist_load(cpl_frame_get_filename(frame1),0))==NULL){
00621 cpl_msg_error(__func__, "getting header from reference frame");
00622 return -1 ;
00623 }
00624 if ((plist2=cpl_propertylist_load(cpl_frame_get_filename(frame2),0))==NULL){
00625 cpl_msg_error(__func__, "getting header from reference frame");
00626 cpl_propertylist_delete(plist1) ;
00627 return -1 ;
00628 }
00629
00630
00631 if (cpl_error_get_code()) {
00632 cpl_propertylist_delete(plist1) ;
00633 cpl_propertylist_delete(plist2) ;
00634 return -1 ;
00635 }
00636
00637 comparison = 1 ;
00638
00639
00640 dval1 = crires_pfits_get_dit(plist1) ;
00641 dval2 = crires_pfits_get_dit(plist2) ;
00642 if (cpl_error_get_code()) {
00643 cpl_msg_error(__func__, "Cannot get the DIT");
00644 cpl_propertylist_delete(plist1) ;
00645 cpl_propertylist_delete(plist2) ;
00646 return -1 ;
00647 }
00648 if (fabs(dval1-dval2) > 1e-3) comparison = 0 ;
00649
00650
00651 dval1 = crires_pfits_get_refwlen(plist1) ;
00652 dval2 = crires_pfits_get_refwlen(plist2) ;
00653 if (cpl_error_get_code()) {
00654 cpl_msg_error(__func__, "Cannot get the reference wavelength");
00655 cpl_propertylist_delete(plist1) ;
00656 cpl_propertylist_delete(plist2) ;
00657 return -1 ;
00658 }
00659 if (fabs(dval1-dval2) > 1e-3) comparison = 0 ;
00660
00661
00662 dval1 = crires_pfits_get_bafflepos(plist1) ;
00663 dval2 = crires_pfits_get_bafflepos(plist2) ;
00664 if (cpl_error_get_code()) {
00665 cpl_msg_error(__func__, "Cannot get the baffle position");
00666 cpl_propertylist_delete(plist1) ;
00667 cpl_propertylist_delete(plist2) ;
00668 return -1 ;
00669 }
00670 if (fabs(dval1-dval2) > 1e-3) comparison = 0 ;
00671
00672 cpl_propertylist_delete(plist1) ;
00673 cpl_propertylist_delete(plist2) ;
00674 return comparison ;
00675 }
00676