Line data Source code
1 : /******************************************************************************
2 : *
3 : * Project: MSG Native Reader
4 : * Purpose: Base class for reading in the headers of MSG native images
5 : * Author: Frans van den Bergh, fvdbergh@csir.co.za
6 : *
7 : ******************************************************************************
8 : * Copyright (c) 2005, Frans van den Bergh <fvdbergh@csir.co.za>
9 : *
10 : * SPDX-License-Identifier: MIT
11 : ****************************************************************************/
12 :
13 : #include "cpl_port.h"
14 : #include "cpl_error.h"
15 :
16 : #include "msg_reader_core.h"
17 : #include "msg_basic_types.h"
18 : #include <stdio.h>
19 : #include <string.h>
20 : #include <math.h>
21 :
22 : #ifdef DEBUG
23 : #ifdef GDAL_SUPPORT
24 : #undef DEBUG
25 : #endif
26 : #endif
27 :
28 : #ifdef GDAL_SUPPORT
29 : #include "cpl_vsi.h"
30 :
31 : #else
32 : #define VSIFSeek(fp, pos, ref) CPL_IGNORE_RET_VAL(fseek(fp, pos, ref))
33 : #define VSIFRead(p, bs, nb, fp) CPL_IGNORE_RET_VAL(fread(p, bs, nb, fp))
34 : #endif
35 :
36 : namespace msg_native_format
37 : {
38 :
39 : const Blackbody_lut_type Msg_reader_core::Blackbody_LUT[MSG_NUM_CHANNELS + 1] =
40 : {
41 : {0, 0, 0}, // dummy channel
42 : {0, 0, 0}, // N/A
43 : {0, 0, 0}, // N/A
44 : {0, 0, 0}, // N/A
45 : {2569.094, 0.9959, 3.471},
46 : {1598.566, 0.9963, 2.219},
47 : {1362.142, 0.9991, 0.485},
48 : {1149.083, 0.9996, 0.181},
49 : {1034.345, 0.9999, 0.060},
50 : {930.659, 0.9983, 0.627},
51 : {839.661, 0.9988, 0.397},
52 : {752.381, 0.9981, 0.576},
53 : {0, 0, 0} // N/A
54 : };
55 :
56 0 : static void PhDataInit(PH_DATA *data)
57 : {
58 0 : data->name[0] = '\0';
59 0 : data->value[0] = '\0';
60 0 : }
61 :
62 0 : static void SecondaryProdHeaderInit(SECONDARY_PROD_HEADER *header)
63 : {
64 0 : PhDataInit(&header->abid);
65 0 : PhDataInit(&header->smod);
66 0 : PhDataInit(&header->apxs);
67 0 : PhDataInit(&header->avpa);
68 0 : PhDataInit(&header->lscd);
69 0 : PhDataInit(&header->lmap);
70 0 : PhDataInit(&header->qdlc);
71 0 : PhDataInit(&header->qdlp);
72 0 : PhDataInit(&header->qqai);
73 0 : PhDataInit(&header->selectedBandIds);
74 0 : PhDataInit(&header->southLineSelectedRectangle);
75 0 : PhDataInit(&header->northLineSelectedRectangle);
76 0 : PhDataInit(&header->eastColumnSelectedRectangle);
77 0 : PhDataInit(&header->westColumnSelectedRectangle);
78 0 : }
79 :
80 0 : Msg_reader_core::Msg_reader_core(const char *fname)
81 : : _lines(0), _columns(0), _line_start(0), _col_start(0),
82 : _col_dir_step(0.0f), _line_dir_step(0.0f), _hrv_col_dir_step(0.0f),
83 : _hrv_line_dir_step(0.0f), _f_data_offset(0), _f_data_size(0),
84 : _f_header_offset(0), _f_header_size(0), _f_trailer_offset(0),
85 : _f_trailer_size(0), _visir_bytes_per_line(0), _visir_packet_size(0),
86 : _hrv_bytes_per_line(0), _hrv_packet_size(0), _interline_spacing(0),
87 0 : _year(0), _month(0), _day(0), _hour(0), _minute(0), _open_success(false)
88 : {
89 0 : memset(&_main_header, 0, sizeof(_main_header));
90 0 : memset(&_sec_header, 0, sizeof(_sec_header));
91 0 : SecondaryProdHeaderInit(&_sec_header);
92 0 : for (size_t i = 0; i < MSG_NUM_CHANNELS; ++i)
93 : {
94 0 : _calibration[i].cal_slope = 0.0;
95 0 : _calibration[i].cal_offset = 0.0;
96 : }
97 0 : memset(&_img_desc_record, 0, sizeof(_img_desc_record));
98 :
99 0 : VSILFILE *fin = VSIFOpenL(fname, "rb");
100 0 : if (!fin)
101 : {
102 0 : CPLError(CE_Failure, CPLE_OpenFailed, "Could not open file %s", fname);
103 0 : return;
104 : }
105 0 : read_metadata_block(fin);
106 0 : VSIFCloseL(fin);
107 : }
108 :
109 0 : Msg_reader_core::Msg_reader_core(VSILFILE *fp)
110 : : _lines(0), _columns(0), _line_start(0), _col_start(0),
111 : _col_dir_step(0.0f), _line_dir_step(0.0f), _hrv_col_dir_step(0.0f),
112 : _hrv_line_dir_step(0.0f), _f_data_offset(0), _f_data_size(0),
113 : _f_header_offset(0), _f_header_size(0), _f_trailer_offset(0),
114 : _f_trailer_size(0), _visir_bytes_per_line(0), _visir_packet_size(0),
115 : _hrv_bytes_per_line(0), _hrv_packet_size(0), _interline_spacing(0),
116 0 : _year(0), _month(0), _day(0), _hour(0), _minute(0), _open_success(false)
117 : {
118 0 : memset(&_main_header, 0, sizeof(_main_header));
119 0 : memset(&_sec_header, 0, sizeof(_sec_header));
120 :
121 0 : SecondaryProdHeaderInit(&_sec_header);
122 0 : for (size_t i = 0; i < MSG_NUM_CHANNELS; ++i)
123 : {
124 0 : _calibration[i].cal_slope = 0.0;
125 0 : _calibration[i].cal_offset = 0.0;
126 : }
127 0 : memset(&_img_desc_record, 0, sizeof(_img_desc_record));
128 :
129 0 : read_metadata_block(fp);
130 0 : }
131 :
132 0 : void Msg_reader_core::read_metadata_block(VSILFILE *fin)
133 : {
134 0 : _open_success = true;
135 :
136 : unsigned int i;
137 :
138 0 : CPL_IGNORE_RET_VAL(VSIFReadL(&_main_header, sizeof(_main_header), 1, fin));
139 0 : CPL_IGNORE_RET_VAL(VSIFReadL(&_sec_header, sizeof(_sec_header), 1, fin));
140 :
141 : PH_DATA_ID *hdi;
142 :
143 : #ifdef DEBUG
144 : // print out all the fields in the header
145 : PH_DATA *hd = (PH_DATA *)&_main_header;
146 : for (i = 0; i < 6; i++)
147 : {
148 : to_string(*hd);
149 : printf("[%02u] %s %s", i, hd->name, hd->value); /*ok*/
150 : hd++;
151 : }
152 :
153 : hdi = (PH_DATA_ID *)&_main_header.dataSetIdentification;
154 : for (i = 0; i < 5; i++)
155 : {
156 : printf("%s %s %s", hdi->name, hdi->size, hdi->address); /*ok*/
157 : hdi++;
158 : }
159 :
160 : hd = (PH_DATA *)(&_main_header.totalFileSize);
161 : for (i = 0; i < 19; i++)
162 : {
163 : to_string(*hd);
164 : printf("[%02u] %s %s", i, hd->name, hd->value); /*ok*/
165 : hd++;
166 : }
167 : #endif // DEBUG
168 :
169 : // extract data & header positions
170 :
171 0 : for (i = 0; i < 5; i++)
172 : {
173 0 : hdi = (PH_DATA_ID *)&_main_header.dataSetIdentification[i];
174 0 : if (STARTS_WITH(hdi->name, "15Header"))
175 : {
176 0 : sscanf(hdi->size, "%u", &_f_header_size);
177 0 : sscanf(hdi->address, "%u", &_f_header_offset);
178 : }
179 0 : else if (STARTS_WITH(hdi->name, "15Trailer"))
180 : {
181 0 : sscanf(hdi->size, "%u", &_f_trailer_size);
182 0 : sscanf(hdi->address, "%u", &_f_trailer_offset);
183 : }
184 0 : else if (STARTS_WITH(hdi->name, "15Data"))
185 : {
186 0 : sscanf(hdi->size, "%u", &_f_data_size);
187 0 : sscanf(hdi->address, "%u", &_f_data_offset);
188 : }
189 : }
190 : #ifdef DEBUG
191 : printf("Data: %u %u\n", _f_data_offset, _f_data_size); /*ok*/
192 : printf("Header: %u %u\n", _f_header_offset, _f_header_size); /*ok*/
193 : printf("Trailer: %u %u\n", _f_trailer_offset, _f_trailer_size); /*ok*/
194 : #endif // DEBUG
195 :
196 : unsigned int lines;
197 0 : sscanf(_sec_header.northLineSelectedRectangle.value, "%u", &_lines);
198 0 : sscanf(_sec_header.southLineSelectedRectangle.value, "%u", &lines);
199 0 : _line_start = lines;
200 0 : if (lines > 0 &&
201 0 : _lines >=
202 0 : lines -
203 : 1) // if starting N of S edge, _lines counts what's there...
204 0 : _lines -= lines - 1;
205 :
206 : unsigned int cols;
207 0 : sscanf(_sec_header.westColumnSelectedRectangle.value, "%u", &_columns);
208 0 : sscanf(_sec_header.eastColumnSelectedRectangle.value, "%u", &cols);
209 0 : _col_start = cols;
210 0 : if (cols > 0 &&
211 0 : _columns >=
212 0 : cols - 1) // if starting W of the E edge, _cols counts what's there
213 0 : _columns -= cols - 1;
214 :
215 : #ifdef DEBUG
216 : printf("lines = %u, cols = %u\n", _lines, _columns); /*ok*/
217 : int records_per_line = 0;
218 : #endif // DEBUG
219 :
220 0 : for (i = 0; i < MSG_NUM_CHANNELS; i++)
221 : {
222 0 : if (_sec_header.selectedBandIds.value[i] == 'X')
223 : {
224 0 : _bands[i] = 1;
225 : #ifdef DEBUG
226 : records_per_line += (i == (MSG_NUM_CHANNELS - 1)) ? 3 : 1;
227 : #endif // DEBUG
228 : }
229 : else
230 : {
231 0 : _bands[i] = 0;
232 : }
233 : }
234 :
235 : #ifdef DEBUG
236 : printf("reading a total of %d records per line\n", records_per_line); /*ok*/
237 : #endif // DEBUG
238 :
239 : // extract time fields, assume that SNIT is the correct field:
240 0 : sscanf(_main_header.snit.value + 0, "%04u", &_year);
241 0 : sscanf(_main_header.snit.value + 4, "%02u", &_month);
242 0 : sscanf(_main_header.snit.value + 6, "%02u", &_day);
243 0 : sscanf(_main_header.snit.value + 8, "%02u", &_hour);
244 0 : sscanf(_main_header.snit.value + 10, "%02u", &_minute);
245 :
246 : // read radiometric block
247 : RADIOMETRIC_PROCESSING_RECORD rad;
248 0 : off_t offset = RADIOMETRICPROCESSING_RECORD_OFFSET + _f_header_offset +
249 0 : sizeof(GP_PK_HEADER) + sizeof(GP_PK_SH1) + 1;
250 0 : CPL_IGNORE_RET_VAL(VSIFSeekL(fin, offset, SEEK_SET));
251 0 : CPL_IGNORE_RET_VAL(
252 0 : VSIFReadL(&rad, sizeof(RADIOMETRIC_PROCESSING_RECORD), 1, fin));
253 0 : to_native(rad);
254 0 : memcpy((void *)_calibration, (void *)&rad.level1_5ImageCalibration,
255 : sizeof(_calibration));
256 :
257 : #ifdef DEBUG
258 : for (i = 0; i < MSG_NUM_CHANNELS; i++)
259 : {
260 : if (_calibration[i].cal_slope < 0 || _calibration[i].cal_slope > 0.4)
261 : {
262 : printf(/*ok*/ "Warning: calibration slope (%f) out of nominal "
263 : "range. MSG "
264 : "reader probably broken\n",
265 : _calibration[i].cal_slope);
266 : }
267 : if (_calibration[i].cal_offset > 0 || _calibration[i].cal_offset < -20)
268 : {
269 : printf(/*ok*/ "Warning: calibration offset (%f) out of nominal "
270 : "range. MSG "
271 : "reader probably broken\n",
272 : _calibration[i].cal_offset);
273 : }
274 : }
275 : #endif
276 :
277 : // read image description block
278 0 : IMAGE_DESCRIPTION_RECORD &idr = _img_desc_record;
279 0 : offset = RADIOMETRICPROCESSING_RECORD_OFFSET -
280 0 : IMAGEDESCRIPTION_RECORD_LENGTH + _f_header_offset +
281 0 : sizeof(GP_PK_HEADER) + sizeof(GP_PK_SH1) + 1;
282 0 : CPL_IGNORE_RET_VAL(VSIFSeekL(fin, offset, SEEK_SET));
283 0 : CPL_IGNORE_RET_VAL(
284 0 : VSIFReadL(&idr, sizeof(IMAGE_DESCRIPTION_RECORD), 1, fin));
285 0 : to_native(idr);
286 0 : CPLDebugOnly("MSGN", "idr.longitudeOfSSP = %g", idr.longitudeOfSSP);
287 0 : CPLDebugOnly("MSGN",
288 : "referencegrid_visir.numberOfLines = %d, "
289 : "referencegrid_visir.numberOfColumns = %d",
290 : idr.referencegrid_visir.numberOfLines,
291 : idr.referencegrid_visir.numberOfColumns);
292 0 : _line_dir_step = idr.referencegrid_visir.lineDirGridStep;
293 0 : _col_dir_step = idr.referencegrid_visir.columnDirGridStep;
294 0 : _hrv_line_dir_step = idr.referencegrid_hrv.lineDirGridStep;
295 0 : _hrv_col_dir_step = idr.referencegrid_hrv.columnDirGridStep;
296 :
297 0 : CPLDebugOnly("MSGN",
298 : "referencegrid_hrv.numberOfLines = %d, "
299 : "referencegrid_hrv.numberOfColumns = %d",
300 : idr.referencegrid_hrv.numberOfLines,
301 : idr.referencegrid_hrv.numberOfColumns);
302 :
303 0 : CPLDebugOnly("MSGN",
304 : "plannedCoverage_hrv.lowerSouthLinePlanned = %d, \n"
305 : "plannedCoverage_hrv.lowerNorthLinePlanned = %d, \n"
306 : "plannedCoverage_hrv.lowerEastColumnPlanned = %d, \n "
307 : "plannedCoverage_hrv.lowerWestColumnPlanned = %d",
308 : idr.plannedCoverage_hrv.lowerSouthLinePlanned,
309 : idr.plannedCoverage_hrv.lowerNorthLinePlanned,
310 : idr.plannedCoverage_hrv.lowerEastColumnPlanned,
311 : idr.plannedCoverage_hrv.lowerWestColumnPlanned);
312 :
313 0 : CPLDebugOnly("MSGN",
314 : "plannedCoverage_hrv.upperSouthLinePlanned = %d, \n"
315 : "plannedCoverage_hrv.upperNorthLinePlanned = %d, \n"
316 : "plannedCoverage_hrv.upperEastColumnPlanned = %d, \n "
317 : "plannedCoverage_hrv.upperWestColumnPlanned = %d",
318 : idr.plannedCoverage_hrv.upperSouthLinePlanned,
319 : idr.plannedCoverage_hrv.upperNorthLinePlanned,
320 : idr.plannedCoverage_hrv.upperEastColumnPlanned,
321 : idr.plannedCoverage_hrv.upperWestColumnPlanned);
322 :
323 : // Rather convoluted, but this code is required to compute the real data
324 : // block sizes It does this by reading in the first line of every band, to
325 : // get to the packet size field
326 : GP_PK_HEADER gp_header;
327 : GP_PK_SH1 sub_header;
328 : SUB_VISIRLINE visir_line;
329 :
330 0 : CPL_IGNORE_RET_VAL(VSIFSeekL(fin, _f_data_offset, SEEK_SET));
331 :
332 0 : _hrv_packet_size = 0;
333 0 : _interline_spacing = 0;
334 0 : visir_line.channelId = 0;
335 :
336 : int scanned_bands[MSG_NUM_CHANNELS];
337 0 : int band_count = 0;
338 0 : for (i = 0; i < MSG_NUM_CHANNELS; i++)
339 : {
340 0 : scanned_bands[i] = _bands[i];
341 0 : band_count += _bands[i];
342 : }
343 :
344 0 : do
345 : {
346 0 : if (VSIFReadL(&gp_header, sizeof(GP_PK_HEADER), 1, fin) != 1 ||
347 0 : VSIFReadL(&sub_header, sizeof(GP_PK_SH1), 1, fin) != 1 ||
348 0 : VSIFReadL(&visir_line, sizeof(SUB_VISIRLINE), 1, fin) != 1)
349 : {
350 0 : _open_success = false;
351 0 : break;
352 : }
353 0 : to_native(visir_line);
354 0 : to_native(gp_header);
355 :
356 0 : CPLDebugOnly("MSGN",
357 : "channelId = %d, lineNumber = %d, packetLength = %u",
358 : visir_line.channelId, visir_line.lineNumberInVisirGrid,
359 : gp_header.packetLength);
360 :
361 0 : to_native(sub_header);
362 :
363 0 : CPLDebugOnly("MSGN",
364 : "subheader spacecraft = %d, day = %u, sec = %.3f",
365 : sub_header.spacecraftId, sub_header.packetTime.day,
366 : sub_header.packetTime.ms / 1000.0);
367 :
368 : // Sanity checks
369 0 : if (gp_header.packetLength <
370 0 : sizeof(GP_PK_SH1) + sizeof(SUB_VISIRLINE) - 1 ||
371 0 : gp_header.packetLength > 100 * 1024 * 1024)
372 : {
373 0 : _open_success = false;
374 0 : break;
375 : }
376 :
377 : // skip over the actual line data
378 0 : CPL_IGNORE_RET_VAL(
379 0 : VSIFSeekL(fin,
380 0 : gp_header.packetLength -
381 : (sizeof(GP_PK_SH1) + sizeof(SUB_VISIRLINE) - 1),
382 : SEEK_CUR));
383 :
384 0 : if (visir_line.channelId == 0 ||
385 0 : visir_line.channelId > MSG_NUM_CHANNELS)
386 : {
387 0 : _open_success = false;
388 0 : break;
389 : }
390 :
391 0 : if (scanned_bands[visir_line.channelId - 1])
392 : {
393 0 : scanned_bands[visir_line.channelId - 1] = 0;
394 0 : band_count--;
395 :
396 0 : if (visir_line.channelId != 12)
397 : { // not the HRV channel
398 0 : _visir_bytes_per_line =
399 0 : gp_header.packetLength -
400 : (unsigned int)(sizeof(GP_PK_SH1) + sizeof(SUB_VISIRLINE) -
401 : 1);
402 0 : _visir_packet_size = gp_header.packetLength +
403 0 : (unsigned int)sizeof(GP_PK_HEADER) + 1;
404 0 : _interline_spacing += _visir_packet_size;
405 : }
406 : else
407 : {
408 0 : _hrv_bytes_per_line = gp_header.packetLength -
409 : (unsigned int)(sizeof(GP_PK_SH1) +
410 : sizeof(SUB_VISIRLINE) - 1);
411 0 : _hrv_packet_size = gp_header.packetLength +
412 0 : (unsigned int)sizeof(GP_PK_HEADER) + 1;
413 0 : _interline_spacing += _hrv_packet_size;
414 :
415 : // The HRV channel has 3 consecutive lines
416 0 : const int lineNumberInVisirGrid =
417 : visir_line.lineNumberInVisirGrid;
418 0 : const auto packetLength = gp_header.packetLength;
419 0 : for (int extraLines = 0; extraLines < 2; extraLines++)
420 : {
421 0 : if (VSIFReadL(&gp_header, sizeof(GP_PK_HEADER), 1, fin) !=
422 0 : 1 ||
423 0 : VSIFReadL(&sub_header, sizeof(GP_PK_SH1), 1, fin) !=
424 0 : 1 ||
425 0 : VSIFReadL(&visir_line, sizeof(SUB_VISIRLINE), 1, fin) !=
426 : 1)
427 : {
428 0 : _open_success = false;
429 0 : return;
430 : }
431 0 : to_native(visir_line);
432 0 : to_native(gp_header);
433 :
434 0 : CPLDebugOnly(
435 : "MSGN",
436 : "channelId = %d, lineNumber = %d, packetLength = %u",
437 : visir_line.channelId, visir_line.lineNumberInVisirGrid,
438 : gp_header.packetLength);
439 :
440 0 : if (visir_line.channelId != 12 ||
441 0 : visir_line.lineNumberInVisirGrid !=
442 0 : lineNumberInVisirGrid + extraLines + 1 ||
443 0 : gp_header.packetLength != packetLength)
444 : {
445 0 : CPLDebugOnly("MSGN", "Inconsistent records");
446 0 : _open_success = false;
447 0 : return;
448 : }
449 :
450 : // skip over the actual line data
451 0 : CPL_IGNORE_RET_VAL(VSIFSeekL(
452 : fin,
453 0 : gp_header.packetLength -
454 : (sizeof(GP_PK_SH1) + sizeof(SUB_VISIRLINE) - 1),
455 : SEEK_CUR));
456 :
457 0 : _interline_spacing += _hrv_packet_size;
458 : }
459 : }
460 : }
461 0 : } while (band_count > 0);
462 :
463 : TRAILER trailer;
464 :
465 0 : CPL_IGNORE_RET_VAL(VSIFSeekL(fin, _f_trailer_offset, SEEK_SET));
466 :
467 0 : if (VSIFReadL(&gp_header, sizeof(GP_PK_HEADER), 1, fin) != 1 ||
468 0 : VSIFReadL(&sub_header, sizeof(GP_PK_SH1), 1, fin) != 1 ||
469 0 : VSIFReadL(&trailer, sizeof(TRAILER), 1, fin) != 1)
470 : {
471 0 : _open_success = false;
472 0 : fprintf(stderr, "Trailer fail\n"); /*ok*/
473 0 : return;
474 : }
475 :
476 0 : to_native(trailer.imageProductionStats.actualL15CoverageVisir);
477 0 : to_native(trailer.imageProductionStats.actualL15CoverageHrv);
478 :
479 0 : CPLDebugOnly("MSGN", "Trailer Version %d, satellite %d",
480 : trailer.trailerHeaderVersion,
481 : trailer.imageProductionStats.satelliteId);
482 :
483 0 : CPLDebugOnly(
484 : "MSGN",
485 : "\nactualL15CoverageVisir.SouthernLineActual = %d, \n"
486 : "actualL15CoverageVisir.NorthernLineActual = %d, \n"
487 : "actualL15CoverageVisir.EasternColumnActual = %d, \n "
488 : "actualL15CoverageVisir.WesternColumnActual = %d",
489 : trailer.imageProductionStats.actualL15CoverageVisir.southernLineActual,
490 : trailer.imageProductionStats.actualL15CoverageVisir.northernLineActual,
491 : trailer.imageProductionStats.actualL15CoverageVisir.easternColumnActual,
492 : trailer.imageProductionStats.actualL15CoverageVisir
493 : .westernColumnActual);
494 :
495 0 : CPLDebugOnly(
496 : "MSGN",
497 : "\nactualCoverage_hrv.lowerSouthLineActual = %d, \n"
498 : "actualCoverage_hrv.lowerNorthLineActual = %d, \n"
499 : "actualCoverage_hrv.lowerEastColumnActual = %d, \n "
500 : "actualCoverage_hrv.lowerWestColumnActual = %d",
501 : trailer.imageProductionStats.actualL15CoverageHrv.lowerSouthLineActual,
502 : trailer.imageProductionStats.actualL15CoverageHrv.lowerNorthLineActual,
503 : trailer.imageProductionStats.actualL15CoverageHrv.lowerEastColumnActual,
504 : trailer.imageProductionStats.actualL15CoverageHrv
505 : .lowerWestColumnActual);
506 :
507 0 : CPLDebugOnly(
508 : "MSGN",
509 : "\nactualCoverage_hrv.upperSouthLineActual = %d, \n"
510 : "actualCoverage_hrv.upperNorthLineActual = %d, \n"
511 : "actualCoverage_hrv.upperEastColumnActual = %d, \n "
512 : "actualCoverage_hrv.upperWestColumnActual = %d",
513 : trailer.imageProductionStats.actualL15CoverageHrv.upperSouthLineActual,
514 : trailer.imageProductionStats.actualL15CoverageHrv.upperNorthLineActual,
515 : trailer.imageProductionStats.actualL15CoverageHrv.upperEastColumnActual,
516 : trailer.imageProductionStats.actualL15CoverageHrv
517 : .upperWestColumnActual);
518 : }
519 :
520 : #ifndef GDAL_SUPPORT
521 :
522 : int Msg_reader_core::_chan_to_idx(Msg_channel_names channel)
523 : {
524 : unsigned int idx = 0;
525 : while (idx < MSG_NUM_CHANNELS)
526 : {
527 : if ((1 << (idx + 1)) == (int)channel)
528 : {
529 : return idx;
530 : }
531 : idx++;
532 : }
533 : return 0;
534 : }
535 :
536 : void Msg_reader_core::get_pixel_geo_coordinates(unsigned int line,
537 : unsigned int column,
538 : double &longitude,
539 : double &latitude) const
540 : {
541 : Conversions::convert_pixel_to_geo((double)(line + _line_start),
542 : (double)(column + _col_start), longitude,
543 : latitude);
544 : longitude += _img_desc_record.longitudeOfSSP;
545 : }
546 :
547 : void Msg_reader_core::get_pixel_geo_coordinates(double line, double column,
548 : double &longitude,
549 : double &latitude)
550 : {
551 : Conversions::convert_pixel_to_geo(line + _line_start, column + _col_start,
552 : longitude, latitude);
553 : longitude += _img_desc_record.longitudeOfSSP;
554 : }
555 :
556 : double Msg_reader_core::compute_pixel_area_sqkm(double line, double column)
557 : {
558 : return Conversions::compute_pixel_area_sqkm(line + _line_start,
559 : column + _col_start);
560 : }
561 :
562 : #endif // GDAL_SUPPORT
563 :
564 : } // namespace msg_native_format
|
