source: ntrip/trunk/BNC/src/combination/bnccomb.cpp@ 10479

Last change on this file since 10479 was 10479, checked in by stuerze, 2 months ago

BNC writes combination results now in a separate output file

File size: 47.7 KB
Line 
1/* -------------------------------------------------------------------------
2 * BKG NTRIP Client
3 * -------------------------------------------------------------------------
4 *
5 * Class: bncComb
6 *
7 * Purpose: Combinations of Orbit/Clock Corrections
8 *
9 * Author: L. Mervart
10 *
11 * Created: 22-Jan-2011
12 *
13 * Changes:
14 *
15 * -----------------------------------------------------------------------*/
16
17#include <newmatio.h>
18#include <iomanip>
19#include <sstream>
20#include <map>
21
22#include "bnccomb.h"
23#include <combination/bncbiassnx.h>
24#include "bnccore.h"
25#include "upload/bncrtnetdecoder.h"
26#include "bncsettings.h"
27#include "bncutils.h"
28#include "bncantex.h"
29#include "t_prn.h"
30
31const double sig0_offAC = 1000.0;
32const double sig0_offACSat = 100.0;
33const double sigP_offACSat = 0.01;
34const double sig0_clkSat = 100.0;
35
36const double sigObs = 0.05;
37
38using namespace std;
39
40// Constructor
41////////////////////////////////////////////////////////////////////////////
42bncComb::cmbParam::cmbParam(parType type_, int index_, const QString& ac_, const QString& prn_) {
43
44 type = type_;
45 index = index_;
46 AC = ac_;
47 prn = prn_;
48 xx = 0.0;
49 eph = 0;
50
51 if (type == offACgnss) {
52 epoSpec = true;
53 sig0 = sig0_offAC;
54 sigP = sig0;
55 }
56 else if (type == offACSat) {
57 epoSpec = false;
58 sig0 = sig0_offACSat;
59 sigP = sigP_offACSat;
60 }
61 else if (type == clkSat) {
62 epoSpec = true;
63 sig0 = sig0_clkSat;
64 sigP = sig0;
65 }
66}
67
68// Destructor
69////////////////////////////////////////////////////////////////////////////
70bncComb::cmbParam::~cmbParam() {
71}
72
73// Partial
74////////////////////////////////////////////////////////////////////////////
75double bncComb::cmbParam::partial(char sys, const QString& AC_, const QString& prn_) {
76
77 if (type == offACgnss) {
78 if (AC == AC_ && prn_[0].toLatin1() == sys) {
79 return 1.0;
80 }
81 }
82 else if (type == offACSat) {
83 if (AC == AC_ && prn == prn_) {
84 return 1.0;
85 }
86 }
87 else if (type == clkSat) {
88 if (prn == prn_) {
89 return 1.0;
90 }
91 }
92
93 return 0.0;
94}
95
96//
97////////////////////////////////////////////////////////////////////////////
98QString bncComb::cmbParam::toString(char sys) const {
99
100 QString outStr;
101
102 if (type == offACgnss) {
103 outStr = "AC Offset " + AC + " " + sys + " ";
104 }
105 else if (type == offACSat) {
106 outStr = "Sat Offset " + AC + " " + prn.mid(0,3);
107 }
108 else if (type == clkSat) {
109 outStr = "Clk Corr " + prn.mid(0,3);
110 }
111
112 return outStr;
113}
114
115// Singleton: definition class variable
116////////////////////////////////////////////////////////////////////////////
117bncComb* bncComb::instance = nullptr;
118
119
120// Constructor
121////////////////////////////////////////////////////////////////////////////
122bncComb::bncComb() : _ephUser(true) {
123
124 bncSettings settings;
125
126 _running = true;
127
128 QStringList cmbStreams = settings.value("cmbStreams").toStringList();
129
130 _cmbSampl = settings.value("cmbSampl").toInt();
131 if (_cmbSampl <= 0) {
132 _cmbSampl = 5;
133 }
134 _useGps = (Qt::CheckState(settings.value("cmbGps").toInt()) == Qt::Checked) ? true : false;
135 if (_useGps) {
136 _cmbSysPrn['G'] = t_prn::MAXPRN_GPS;
137 _masterMissingEpochs['G'] = 0;
138 }
139 _useGlo = (Qt::CheckState(settings.value("cmbGlo").toInt()) == Qt::Checked) ? true : false;
140 if (_useGlo) {
141 _cmbSysPrn['R'] = t_prn::MAXPRN_GLONASS;
142 _masterMissingEpochs['R'] = 0;
143 }
144 _useGal = (Qt::CheckState(settings.value("cmbGal").toInt()) == Qt::Checked) ? true : false;
145 if (_useGal) {
146 _cmbSysPrn['E'] = t_prn::MAXPRN_GALILEO;
147 _masterMissingEpochs['E'] = 0;
148 }
149 _useBds = (Qt::CheckState(settings.value("cmbBds").toInt()) == Qt::Checked) ? true : false;
150 if (_useBds) {
151 _cmbSysPrn['C'] = t_prn::MAXPRN_BDS;
152 _masterMissingEpochs['C'] = 0;
153 }
154 _useQzss = (Qt::CheckState(settings.value("cmbQzss").toInt()) == Qt::Checked) ? true : false;
155 if (_useQzss) {
156 _cmbSysPrn['J'] = t_prn::MAXPRN_QZSS;
157 _masterMissingEpochs['J'] = 0;
158 }
159 _useSbas = (Qt::CheckState(settings.value("cmbSbas").toInt()) == Qt::Checked) ? true : false;
160 if (_useSbas) {
161 _cmbSysPrn['S'] = t_prn::MAXPRN_SBAS;
162 _masterMissingEpochs['S'] = 0;
163 }
164 _useIrnss = (Qt::CheckState(settings.value("cmbIrnss").toInt()) == Qt::Checked) ? true : false;
165 if (_useIrnss) {
166 _cmbSysPrn['I'] = t_prn::MAXPRN_IRNSS;
167 _masterMissingEpochs['I'] = 0;
168 }
169
170 if (cmbStreams.size() >= 1 && !cmbStreams[0].isEmpty()) {
171 QListIterator<QString> it(cmbStreams);
172 while (it.hasNext()) {
173 QStringList hlp = it.next().split(" ");
174 cmbAC* newAC = new cmbAC();
175 newAC->mountPoint = hlp[0];
176 newAC->name = hlp[1];
177 newAC->weightFactor = hlp[2].toDouble();
178 newAC->excludeSats = hlp[3].split(QRegExp("[ ,]"), QString::SkipEmptyParts);
179 newAC->isAPC = bool(newAC->mountPoint.mid(0,4) == "SSRA");
180 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
181 // init
182 while (itSys.hasNext()) {
183 itSys.next();
184 char sys = itSys.key();
185 if (!_masterOrbitAC.contains(sys) &&
186 !newAC->excludeSats.contains(QString(sys), Qt::CaseSensitive)) {
187 _masterOrbitAC[sys] = newAC->name;
188 _masterIsAPC[sys] = newAC->isAPC;
189 }
190 }
191 _ACs.append(newAC);
192 }
193 }
194
195 QString ssrFormat;
196 _ssrCorr = 0;
197 QListIterator<QString> it(settings.value("uploadMountpointsOut").toStringList());
198 while (it.hasNext()) {
199 QStringList hlp = it.next().split(",");
200 if (hlp.size() > 7) {
201 ssrFormat = hlp[7];
202 }
203 }
204 if (ssrFormat == "IGS-SSR") {
205 _ssrCorr = new SsrCorrIgs();
206 }
207 else if (ssrFormat == "RTCM-SSR") {
208 _ssrCorr = new SsrCorrRtcm();
209 }
210 else { // default
211 _ssrCorr = new SsrCorrIgs();
212 }
213
214 _rtnetDecoder = new bncRtnetDecoder();
215
216 connect(this, SIGNAL(newMessage(QByteArray,bool)), BNC_CORE, SLOT(slotMessage(const QByteArray,bool)));
217 connect(BNC_CORE, SIGNAL(providerIDChanged(QString)), this, SLOT(slotProviderIDChanged(QString)));
218 connect(BNC_CORE, SIGNAL(newOrbCorrections(QList<t_orbCorr>)), this, SLOT(slotNewOrbCorrections(QList<t_orbCorr>)));
219 connect(BNC_CORE, SIGNAL(newClkCorrections(QList<t_clkCorr>)), this, SLOT(slotNewClkCorrections(QList<t_clkCorr>)));
220 connect(BNC_CORE, SIGNAL(newCodeBiases(QList<t_satCodeBias>)), this, SLOT(slotNewCodeBiases(QList<t_satCodeBias>)));
221
222 // Combination Method
223 // ------------------
224 if (settings.value("cmbMethod").toString() == "Single-Epoch") {
225 _method = singleEpoch;
226 }
227 else {
228 _method = filter;
229 }
230
231 // Initialize Parameters (model: Clk_Corr = AC_Offset + Sat_Offset + Clk)
232 // ----------------------------------------------------------------------
233 if (_method == filter) {
234 // SYSTEM
235 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
236 while (itSys.hasNext()) {
237 itSys.next();
238 int nextPar = 0;
239 char sys = itSys.key();
240 unsigned maxPrn = itSys.value();
241 unsigned flag = 0;
242 if (sys == 'E') {
243 flag = 1;
244 }
245 // AC
246 QListIterator<cmbAC*> itAc(_ACs);
247 while (itAc.hasNext()) {
248 cmbAC* AC = itAc.next();
249 _params[sys].push_back(new cmbParam(cmbParam::offACgnss, ++nextPar, AC->name, ""));
250 for (unsigned iGnss = 1; iGnss <= maxPrn; iGnss++) {
251 QString prn = QString("%1%2_%3").arg(sys).arg(iGnss, 2, 10, QChar('0')).arg(flag);
252 _params[sys].push_back(new cmbParam(cmbParam::offACSat, ++nextPar, AC->name, prn));
253 }
254 }
255 for (unsigned iGnss = 1; iGnss <= maxPrn; iGnss++) {
256 QString prn = QString("%1%2_%3").arg(sys).arg(iGnss, 2, 10, QChar('0')).arg(flag);
257 _params[sys].push_back(new cmbParam(cmbParam::clkSat, ++nextPar, "", prn));
258 }
259 // Initialize Variance-Covariance Matrix
260 // -------------------------------------
261 _QQ[sys].ReSize(_params[sys].size());
262 _QQ[sys] = 0.0;
263 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
264 cmbParam* pp = _params[sys][iPar-1];
265 _QQ[sys](iPar,iPar) = pp->sig0 * pp->sig0;
266 }
267 }
268 }
269
270 // ANTEX File
271 // ----------
272 _antex = 0;
273 QString antexFileName = settings.value("uploadAntexFile").toString();
274 if (!antexFileName.isEmpty()) {
275 _antex = new bncAntex();
276 if (_antex->readFile(antexFileName) != success) {
277 emit newMessage("bncCmb: wrong ANTEX file", true);
278 delete _antex;
279 _antex = 0;
280 }
281 }
282
283
284 // Bias SINEX File
285 // ---------------
286 _bsx = 0;
287 QString bsxFileName = settings.value("cmbBsxFile").toString();
288 if (!bsxFileName.isEmpty()) {
289 _bsx = new bncBiasSnx();
290 if (_bsx->readFile(bsxFileName) != success) {
291 emit newMessage("bncComb: wrong Bias SINEX file", true);
292 delete _bsx;
293 _bsx = 0;
294 }
295 }
296 if (_bsx) {
297 _ms = 3.0 * 3600 * 1000.0;
298 QTimer::singleShot(_ms, this, SLOT(slotReadBiasSnxFile()));
299 }
300
301 // Maximal Residuum
302 // ----------------
303 _MAX_RES = settings.value("cmbMaxres").toDouble();
304 if (_MAX_RES <= 0.0) {
305 _MAX_RES = 999.0;
306 }
307
308 // Maximal Displacement
309 // --------------------
310 _MAX_DISPLACEMENT = settings.value("cmbMaxdisplacement").toDouble();
311 if (_MAX_DISPLACEMENT <= 0.0) {
312 _MAX_DISPLACEMENT = 2.0;
313 }
314
315 // Logfile
316 // -------
317 QString intr = "1 day";
318 QString logFileCmb = settings.value("cmbLogpath").toString();
319 int l = logFileCmb.length();
320 if (logFileCmb.isEmpty()) {
321 _logFile = 0;
322 }
323 else {
324 if (l && logFileCmb[l-1] != QDir::separator() ) {
325 logFileCmb += QDir::separator();
326 }
327
328 logFileCmb = logFileCmb + "COMB00BNC" + "${V3PROD}" + ".CMB";
329
330 _logFile = new bncoutf(logFileCmb, intr, _cmbSampl);
331 }
332
333 _newCorr = 0;
334}
335
336// Destructor
337////////////////////////////////////////////////////////////////////////////
338bncComb::~bncComb() {
339
340 _running = false;
341#ifndef WIN32
342 sleep(2);
343#else
344 Sleep(2000);
345#endif
346
347 QListIterator<cmbAC*> icAC(_ACs);
348 while (icAC.hasNext()) {
349 delete icAC.next();
350 }
351 _ACs.clear();
352
353 delete _rtnetDecoder;
354
355 if (_ssrCorr) {
356 delete _ssrCorr;
357 }
358
359 if (_newCorr) {
360 delete _newCorr;
361 }
362
363 delete _antex;
364 delete _bsx;
365 delete _logFile;
366
367 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
368 while (itSys.hasNext()) {
369 itSys.next();
370 char sys = itSys.key();
371 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
372 delete _params[sys][iPar-1];
373 }
374 _buffer.remove(sys);
375 }
376 _params.clear();
377 _buffer.clear();
378 _cmbSysPrn.clear();
379
380 while (!_epoClkData.empty()) {
381 delete _epoClkData.front();
382 _epoClkData.pop_front();
383 }
384}
385
386void bncComb::slotReadBiasSnxFile() {
387 bncSettings settings;
388 QString bsxFileName = settings.value("cmbBsxFile").toString();
389
390 if (bsxFileName.isEmpty()) {
391 emit newMessage("bncComb: no Bias SINEX file specified", true);
392 return;
393 }
394 if (!_bsx) {
395 _bsx = new bncBiasSnx();
396 }
397 if (_bsx->readFile(bsxFileName) != success) {
398 emit newMessage("bncComb: wrong Bias SINEX file", true);
399 delete _bsx;
400 _bsx = 0;
401 }
402 else {
403 emit newMessage("bncComb: successfully read Bias SINEX file", true);
404 }
405
406 QTimer::singleShot(_ms, this, SLOT(slotReadBiasSnxFile()));
407}
408
409
410// Remember orbit corrections
411////////////////////////////////////////////////////////////////////////////
412void bncComb::slotNewOrbCorrections(QList<t_orbCorr> orbCorrections) {
413 QMutexLocker locker(&_mutex);
414 for (int ii = 0; ii < orbCorrections.size(); ii++) {
415 t_orbCorr& orbCorr = orbCorrections[ii];
416 QString staID(orbCorr._staID.c_str());
417 char sys = orbCorr._prn.system();
418
419 if (!_cmbSysPrn.contains(sys)){
420 continue;
421 }
422
423 // Find/Check the AC Name
424 // ----------------------
425 QString acName;
426 QStringList excludeSats;
427 QListIterator<cmbAC*> icAC(_ACs);
428 while (icAC.hasNext()) {
429 cmbAC* AC = icAC.next();
430 if (AC->mountPoint == staID) {
431 acName = AC->name;
432 excludeSats = AC->excludeSats;
433 break;
434 }
435 }
436 if (acName.isEmpty() || excludeSat(orbCorr._prn, excludeSats)) {
437 continue;
438 }
439
440 // Store the correction
441 // --------------------
442 QMap<t_prn, t_orbCorr>& storage = _orbCorrections[acName];
443 storage[orbCorr._prn] = orbCorr;
444 }
445}
446
447// Remember Satellite Code Biases
448////////////////////////////////////////////////////////////////////////////
449void bncComb::slotNewCodeBiases(QList<t_satCodeBias> satCodeBiases) {
450 QMutexLocker locker(&_mutex);
451
452 for (int ii = 0; ii < satCodeBiases.size(); ii++) {
453 t_satCodeBias& satCodeBias = satCodeBiases[ii];
454 QString staID(satCodeBias._staID.c_str());
455 char sys = satCodeBias._prn.system();
456
457 if (!_cmbSysPrn.contains(sys)){
458 continue;
459 }
460
461 // Find/Check the AC Name
462 // ----------------------
463 QString acName;
464 QStringList excludeSats;
465 QListIterator<cmbAC*> icAC(_ACs);
466 while (icAC.hasNext()) {
467 cmbAC* AC = icAC.next();
468 if (AC->mountPoint == staID) {
469 acName = AC->name;
470 excludeSats = AC->excludeSats;
471 break;
472 }
473 }
474 if (acName.isEmpty() || excludeSat(satCodeBias._prn, excludeSats)) {
475 continue;
476 }
477
478 // Store the correction
479 // --------------------
480 QMap<t_prn, t_satCodeBias>& storage = _satCodeBiases[acName];
481 storage[satCodeBias._prn] = satCodeBias;
482 }
483
484}
485
486// Process clock corrections
487////////////////////////////////////////////////////////////////////////////
488void bncComb::slotNewClkCorrections(QList<t_clkCorr> clkCorrections) {
489 QMutexLocker locker(&_mutex);
490 const double outWait = 1.0 * _cmbSampl;
491 int currentWeek = 0;
492 double currentSec = 0.0;
493 currentGPSWeeks(currentWeek, currentSec);
494 bncTime currentTime(currentWeek, currentSec);
495
496 // Loop over all observations (possible different epochs)
497 // -----------------------------------------------------
498 for (int ii = 0; ii < clkCorrections.size(); ii++) {
499 t_clkCorr& newClk = clkCorrections[ii];
500 char sys = newClk._prn.system();
501 if (!_cmbSysPrn.contains(sys)){
502 continue;
503 }
504
505 // Check Modulo Time
506 // -----------------
507 int sec = int(nint(newClk._time.gpssec()*10));
508 if (sec % (_cmbSampl*10) != 0.0) {
509 continue;
510 }
511
512 // Find/Check the AC Name
513 // ----------------------
514 QString acName;
515 QStringList excludeSats;
516 bool isAPC;
517 QString staID(newClk._staID.c_str());
518 QListIterator<cmbAC*> icAC(_ACs);
519 while (icAC.hasNext()) {
520 cmbAC* AC = icAC.next();
521 if (AC->mountPoint == staID) {
522 acName = AC->name;
523 QStringList excludeSats;
524 isAPC = AC->isAPC;
525 break;
526 }
527 }
528 if (acName.isEmpty() ||
529 isAPC != _masterIsAPC[sys] ||
530 excludeSat(newClk._prn, excludeSats)) {
531 continue;
532 }
533
534 // Check regarding current time
535 // ----------------------------
536 if (BNC_CORE->mode() != t_bncCore::batchPostProcessing) {
537 if ((newClk._time >= currentTime) || // future time stamp
538 (currentTime - newClk._time) > 60.0) { // very old data sets
539 emit newMessage("bncComb: future or very old data sets: " + acName.toLatin1() + " " + newClk._prn.toString().c_str() +
540 QString(" %1 ").arg(newClk._time.timestr().c_str()).toLatin1() + "vs. current time" +
541 QString(" %1 ").arg(currentTime.timestr().c_str()).toLatin1(), true);
542 continue;
543 }
544 }
545
546 // Check Correction Age
547 // --------------------
548 if (_resTime.valid() && newClk._time <= _resTime) {
549 emit newMessage("bncComb: old correction: " + acName.toLatin1() + " " + newClk._prn.toString().c_str() +
550 QString(" %1 ").arg(newClk._time.timestr().c_str()).toLatin1() + "vs. last processing Epoch" +
551 QString(" %1 ").arg(_resTime.timestr().c_str()).toLatin1(), true);
552 continue;
553 }
554
555 // Set the last time
556 // -----------------
557 if (_lastClkCorrTime.undef() || newClk._time > _lastClkCorrTime) {
558 _lastClkCorrTime = newClk._time;
559 }
560
561 // Find the corresponding data epoch or create a new one
562 // -----------------------------------------------------
563 epoClkData* epoch = 0;
564 deque<epoClkData*>::const_iterator it;
565 for (it = _epoClkData.begin(); it != _epoClkData.end(); it++) {
566 if (newClk._time == (*it)->_time) {
567 epoch = *it;
568 break;
569 }
570 }
571 if (epoch == 0) {
572 if (_epoClkData.empty() || newClk._time > _epoClkData.back()->_time) {
573 epoch = new epoClkData;
574 epoch->_time = newClk._time;
575 _epoClkData.push_back(epoch);
576 }
577 }
578
579 // Put data into the epoch
580 // -----------------------
581 if (epoch != 0) {
582 epoch->_clkCorr.push_back(newClk);
583 }
584 }
585
586 // Make sure the buffer does not grow beyond any limit
587 // ---------------------------------------------------
588 const unsigned MAX_EPODATA_SIZE = 60.0 / _cmbSampl;
589 if (_epoClkData.size() > MAX_EPODATA_SIZE) {
590 delete _epoClkData.front();
591 _epoClkData.pop_front();
592 }
593
594 // Process the oldest epochs
595 // ------------------------
596 while (_epoClkData.size()) {
597
598 if (!_lastClkCorrTime.valid()) {
599 return;
600 }
601
602 const vector<t_clkCorr>& clkCorrVec = _epoClkData.front()->_clkCorr;
603
604 bncTime epoTime = _epoClkData.front()->_time;
605
606 if (BNC_CORE->mode() != t_bncCore::batchPostProcessing) {
607 if ((currentTime - epoTime) > 60.0) {
608 delete _epoClkData.front();
609 _epoClkData.pop_front();
610 continue;
611 }
612 }
613 // Process the front epoch
614 // -----------------------
615 if (epoTime < (_lastClkCorrTime - outWait)) {
616 _resTime = epoTime;
617 processEpoch(_resTime, clkCorrVec);
618 delete _epoClkData.front();
619 _epoClkData.pop_front();
620 }
621 else {
622 return;
623 }
624 }
625}
626
627// Change the correction so that it refers to last received ephemeris
628////////////////////////////////////////////////////////////////////////////
629void bncComb::switchToLastEph(t_eph* lastEph, cmbCorr* corr) {
630
631 if (corr->_eph == lastEph) {
632 return;
633 }
634
635 ColumnVector oldXC(6);
636 ColumnVector oldVV(3);
637 if (corr->_eph->getCrd(corr->_time, oldXC, oldVV, false) != success) {
638 return;
639 }
640
641 ColumnVector newXC(6);
642 ColumnVector newVV(3);
643 if (lastEph->getCrd(corr->_time, newXC, newVV, false) != success) {
644 return;
645 }
646
647 ColumnVector dX = newXC.Rows(1,3) - oldXC.Rows(1,3);
648 ColumnVector dV = newVV - oldVV;
649 double dC = newXC(4) - oldXC(4);
650
651 ColumnVector dRAO(3);
652 XYZ_to_RSW(newXC.Rows(1,3), newVV, dX, dRAO);
653
654 ColumnVector dDotRAO(3);
655 XYZ_to_RSW(newXC.Rows(1,3), newVV, dV, dDotRAO);
656
657 QString msg = "switch corr " + corr->_prn.mid(0,3)
658 + QString(" %1 -> %2 %3").arg(corr->_iod,3).arg(lastEph->IOD(),3).arg(dC*t_CST::c, 8, 'f', 4);
659
660 emit newMessage(msg.toLatin1(), false);
661
662 corr->_iod = lastEph->IOD();
663 corr->_eph = lastEph;
664
665 corr->_orbCorr._xr += dRAO;
666 corr->_orbCorr._dotXr += dDotRAO;
667 corr->_clkCorr._dClk -= dC;
668}
669
670// Process Epoch
671////////////////////////////////////////////////////////////////////////////
672void bncComb::processEpoch(bncTime epoTime, const vector<t_clkCorr>& clkCorrVec) {
673 QDateTime now = currentDateAndTimeGPS();
674 bncTime currentTime(now.toString(Qt::ISODate).toStdString());
675 for (unsigned ii = 0; ii < clkCorrVec.size(); ii++) {
676 const t_clkCorr& clkCorr = clkCorrVec[ii];
677 QString staID(clkCorr._staID.c_str());
678 QString prn(clkCorr._prn.toInternalString().c_str());
679 char sys = clkCorr._prn.system();
680
681 // Find/Check the AC Name
682 // ----------------------
683 QString acName;
684 double weigthFactor;
685 QListIterator<cmbAC*> icAC(_ACs);
686 while (icAC.hasNext()) {
687 cmbAC* AC = icAC.next();
688 if (AC->mountPoint == staID) {
689 acName = AC->name;
690 weigthFactor = AC->weightFactor;
691 break;
692 }
693 }
694
695 // Create new correction
696 // ---------------------
697 _newCorr = new cmbCorr();
698 _newCorr->_prn = prn;
699 _newCorr->_time = clkCorr._time;
700 _newCorr->_iod = clkCorr._iod;
701 _newCorr->_acName = acName;
702 _newCorr->_weightFactor = weigthFactor;
703 _newCorr->_clkCorr = clkCorr;
704
705 // Check orbit correction
706 // ----------------------
707 if (!_orbCorrections.contains(acName)) {
708 delete _newCorr; _newCorr = 0;
709 continue;
710 }
711 else {
712 QMap<t_prn, t_orbCorr>& storage = _orbCorrections[acName];
713 if (!storage.contains(clkCorr._prn) ||
714 storage[clkCorr._prn]._iod != _newCorr->_iod) {
715 delete _newCorr; _newCorr = 0;
716 continue;
717 }
718 else {
719 _newCorr->_orbCorr = storage[clkCorr._prn];
720 }
721 }
722
723 // Check the Ephemeris
724 //--------------------
725 t_eph* ephLast = _ephUser.ephLast(prn);
726 t_eph* ephPrev = _ephUser.ephPrev(prn);
727 if (ephLast == 0) {
728 emit newMessage("bncComb: eph not found for " + prn.mid(0,3).toLatin1(), true);
729 delete _newCorr; _newCorr = 0;
730 continue;
731 }
732 else if (outDatedBcep(ephLast, currentTime) ||
733 ephLast->checkState() == t_eph::bad ||
734 ephLast->checkState() == t_eph::outdated ||
735 ephLast->checkState() == t_eph::unhealthy) {
736 emit newMessage("bncComb: ephLast not ok (checkState: " + ephLast->checkStateToString().toLatin1() + ") for " + prn.mid(0,3).toLatin1(), true);
737 delete _newCorr; _newCorr = 0;
738 continue;
739 }
740 else {
741 if (ephLast->IOD() == _newCorr->_iod) {
742 _newCorr->_eph = ephLast;
743 }
744 else if (ephPrev &&
745 !outDatedBcep(ephPrev, currentTime) && // if not updated in storage
746 ephPrev->checkState() == t_eph::ok && // received
747 ephPrev->IOD() == _newCorr->_iod) {
748 _newCorr->_eph = ephPrev;
749 switchToLastEph(ephLast, _newCorr);
750 }
751 else {
752 emit newMessage("bncComb: eph not found for " + prn.mid(0,3).toLatin1() +
753 QString(" with IOD %1").arg(_newCorr->_iod).toLatin1(), true);
754 delete _newCorr; _newCorr = 0;
755 continue;
756 }
757 }
758
759 // Check satellite code biases
760 // ----------------------------
761 if (_satCodeBiases.contains(acName)) {
762 QMap<t_prn, t_satCodeBias>& storage = _satCodeBiases[acName];
763 if (storage.contains(clkCorr._prn)) {
764 _newCorr->_satCodeBias = storage[clkCorr._prn];
765 QMap<t_frequency::type, double> codeBiasesRefSig;
766 for (unsigned ii = 1; ii < cmbRefSig::cIF; ii++) {
767 t_frequency::type frqType = cmbRefSig::toFreq(sys, static_cast<cmbRefSig::type>(ii));
768 char frqNum = t_frequency::toString(frqType)[1];
769 char attrib = cmbRefSig::toAttrib(sys, static_cast<cmbRefSig::type>(ii));
770 QString rnxType2ch = QString("%1%2").arg(frqNum).arg(attrib);
771 for (unsigned ii = 0; ii < _newCorr->_satCodeBias._bias.size(); ii++) {
772 const t_frqCodeBias& bias = _newCorr->_satCodeBias._bias[ii];
773 if (rnxType2ch.toStdString() == bias._rnxType2ch) {
774 codeBiasesRefSig[frqType] = bias._value;
775 }
776 }
777 }
778 if (codeBiasesRefSig.size() == 2) {
779 map<t_frequency::type, double> codeCoeff;
780 double channel = double(_newCorr->_eph->slotNum());
781 cmbRefSig::coeff(sys, cmbRefSig::cIF, channel, codeCoeff);
782 map<t_frequency::type, double>::const_iterator it;
783 for (it = codeCoeff.begin(); it != codeCoeff.end(); it++) {
784 t_frequency::type frqType = it->first;
785 _newCorr->_satCodeBiasIF += it->second * codeBiasesRefSig[frqType];
786 }
787 }
788 _newCorr->_satCodeBias._bias.clear();
789 }
790 }
791
792 // Store correction into the buffer
793 // --------------------------------
794 QVector<cmbCorr*>& corrs = _buffer[sys].corrs;
795 QVectorIterator<cmbCorr*> itCorr(corrs);
796 bool available = false;
797 while (itCorr.hasNext()) {
798 cmbCorr* corr = itCorr.next();
799 QString prn = corr->_prn;
800 QString acName = corr->_acName;
801 if (_newCorr->_acName == acName &&
802 _newCorr->_prn == prn) {
803 available = true;
804 }
805 }
806
807 if (!available) {
808 corrs.push_back(_newCorr); _newCorr = 0;
809 }
810 else {
811 delete _newCorr; _newCorr = 0;
812 continue;
813 }
814 }
815
816 // Process Systems of this Epoch
817 // ------------------------------
818 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
819 while (itSys.hasNext()) {
820 itSys.next();
821 char sys = itSys.key();
822 _log.clear();
823 QTextStream out(&_log, QIODevice::WriteOnly);
824 processSystem(epoTime, sys, out);
825 _buffer.remove(sys);
826 //emit newMessage(_log, false);
827 if (_logFile) {
828 _logFile->write(epoTime.gpsw(),epoTime.gpssec(), QString(_log));
829 }
830 }
831}
832
833void bncComb::processSystem(bncTime epoTime, char sys, QTextStream& out) {
834
835 out << "\n" << "Combination: " << sys << "\n"
836 << "--------------------------------" << "\n";
837
838 // Observation Statistics
839 // ----------------------
840 bool masterPresent = false;
841 QListIterator<cmbAC*> icAC(_ACs);
842 while (icAC.hasNext()) {
843 cmbAC* AC = icAC.next();
844 AC->numObs[sys] = 0;
845 QVectorIterator<cmbCorr*> itCorr(corrs(sys));
846 while (itCorr.hasNext()) {
847 cmbCorr* corr = itCorr.next();
848 if (corr->_acName == AC->name) {
849 AC->numObs[sys] += 1;
850 if (AC->name == _masterOrbitAC[sys]) {
851 masterPresent = true;
852 }
853 }
854 }
855 out << AC->name.toLatin1().data() << ": " << AC->numObs[sys] << "\n";
856 }
857
858 // If Master not present, switch to another one
859 // --------------------------------------------
860 const unsigned switchMasterAfterGap = 1;
861 if (masterPresent) {
862 _masterMissingEpochs[sys] = 0;
863 }
864 else {
865 ++_masterMissingEpochs[sys];
866 if (_masterMissingEpochs[sys] < switchMasterAfterGap) {
867 out << "Missing Master, Epoch skipped" << "\n";
868 _buffer.remove(sys);
869 emit newMessage(_log, false);
870 return;
871 }
872 else {
873 _masterMissingEpochs[sys] = 0;
874 QListIterator<cmbAC*> icAC(_ACs);
875 while (icAC.hasNext()) {
876 cmbAC* AC = icAC.next();
877 if (AC->numObs[sys] > 0) {
878 out << "Switching Master AC "
879 << _masterOrbitAC[sys].toLatin1().data() << " --> "
880 << AC->name.toLatin1().data() << " "
881 << epoTime.datestr().c_str() << " "
882 << epoTime.timestr().c_str() << "\n";
883 _masterOrbitAC[sys] = AC->name;
884 _masterIsAPC[sys] = AC->isAPC;
885 break;
886 }
887 }
888 }
889 }
890
891 QMap<QString, cmbCorr*> resCorr;
892
893 // Perform the actual Combination using selected Method
894 // ----------------------------------------------------
895 t_irc irc;
896 ColumnVector dx;
897 if (_method == filter) {
898 irc = processEpoch_filter(epoTime, sys, out, resCorr, dx);
899 }
900 else {
901 irc = processEpoch_singleEpoch(epoTime, sys, out, resCorr, dx);
902 }
903
904 // Update Parameter Values, Print Results
905 // --------------------------------------
906 if (irc == success) {
907 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
908 cmbParam* pp = _params[sys][iPar-1];
909 pp->xx += dx(iPar);
910 if (pp->type == cmbParam::clkSat) {
911 if (resCorr.find(pp->prn) != resCorr.end()) {
912 // set clock result
913 resCorr[pp->prn]->_dClkResult = pp->xx / t_CST::c;
914 // Add Code Biases from SINEX File
915 if (_bsx) {
916 map<t_frequency::type, double> codeCoeff;
917 double channel = double(resCorr[pp->prn]->_eph->slotNum());
918 cmbRefSig::coeff(sys, cmbRefSig::cIF, channel, codeCoeff);
919 t_frequency::type fType1 = cmbRefSig::toFreq(sys, cmbRefSig::c1);
920 t_frequency::type fType2 = cmbRefSig::toFreq(sys, cmbRefSig::c2);
921 _bsx->determineSsrSatCodeBiases(pp->prn.mid(0,3), codeCoeff[fType1], codeCoeff[fType2], resCorr[pp->prn]->_satCodeBias);
922 }
923 }
924 }
925 out << epoTime.datestr().c_str() << " "
926 << epoTime.timestr().c_str() << " ";
927 out.setRealNumberNotation(QTextStream::FixedNotation);
928 out.setFieldWidth(8);
929 out.setRealNumberPrecision(4);
930 out << pp->toString(sys) << " "
931 << pp->xx << " +- " << sqrt(_QQ[sys](pp->index,pp->index)) << "\n";
932 out.setFieldWidth(0);
933 }
934 printResults(epoTime, out, resCorr);
935 dumpResults(epoTime, resCorr);
936 }
937}
938
939// Process Epoch - Filter Method
940////////////////////////////////////////////////////////////////////////////
941t_irc bncComb::processEpoch_filter(bncTime epoTime, char sys, QTextStream& out,
942 QMap<QString, cmbCorr*>& resCorr,
943 ColumnVector& dx) {
944
945 // Prediction Step
946 // ---------------
947 int nPar = _params[sys].size();
948 ColumnVector x0(nPar);
949 for (int iPar = 1; iPar <= nPar; iPar++) {
950 cmbParam* pp = _params[sys][iPar-1];
951 if (pp->epoSpec) {
952 pp->xx = 0.0;
953 _QQ[sys].Row(iPar) = 0.0;
954 _QQ[sys].Column(iPar) = 0.0;
955 _QQ[sys](iPar,iPar) = pp->sig0 * pp->sig0;
956 }
957 else {
958 _QQ[sys](iPar,iPar) += pp->sigP * pp->sigP;
959 }
960 x0(iPar) = pp->xx;
961 }
962
963 // Check Satellite Positions for Outliers
964 // --------------------------------------
965 if (checkOrbits(epoTime, sys, out) != success) {
966 return failure;
967 }
968
969 // Update and outlier detection loop
970 // ---------------------------------
971 SymmetricMatrix QQ_sav = _QQ[sys];
972 while (_running) {
973
974 Matrix AA;
975 ColumnVector ll;
976 DiagonalMatrix PP;
977
978 if (createAmat(sys, AA, ll, PP, x0, resCorr) != success) {
979 return failure;
980 }
981
982 dx.ReSize(nPar); dx = 0.0;
983 kalman(AA, ll, PP, _QQ[sys], dx);
984
985 ColumnVector vv = ll - AA * dx;
986
987 int maxResIndex;
988 double maxRes = vv.maximum_absolute_value1(maxResIndex);
989 out.setRealNumberNotation(QTextStream::FixedNotation);
990 out.setRealNumberPrecision(3);
991 out << epoTime.datestr().c_str() << " " << epoTime.timestr().c_str()
992 << " Maximum Residuum " << maxRes << ' '
993 << corrs(sys)[maxResIndex-1]->_acName << ' ' << corrs(sys)[maxResIndex-1]->_prn.mid(0,3);
994 if (maxRes > _MAX_RES) {
995 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
996 cmbParam* pp = _params[sys][iPar-1];
997 if (pp->type == cmbParam::offACSat &&
998 pp->AC == corrs(sys)[maxResIndex-1]->_acName &&
999 pp->prn == corrs(sys)[maxResIndex-1]->_prn.mid(0,3)) {
1000 QQ_sav.Row(iPar) = 0.0;
1001 QQ_sav.Column(iPar) = 0.0;
1002 QQ_sav(iPar,iPar) = pp->sig0 * pp->sig0;
1003 }
1004 }
1005
1006 out << " Outlier" << "\n";
1007 _QQ[sys] = QQ_sav;
1008 delete corrs(sys)[maxResIndex-1];
1009 corrs(sys).remove(maxResIndex-1);
1010 }
1011 else {
1012 out << " OK" << "\n";
1013 out.setRealNumberNotation(QTextStream::FixedNotation);
1014 out.setRealNumberPrecision(4);
1015 for (int ii = 0; ii < corrs(sys).size(); ii++) {
1016 const cmbCorr* corr = corrs(sys)[ii];
1017 out << epoTime.datestr().c_str() << ' '
1018 << epoTime.timestr().c_str() << " "
1019 << corr->_acName << ' ' << corr->_prn.mid(0,3);
1020 out.setFieldWidth(10);
1021 out << " res = " << vv[ii] << "\n";
1022 out.setFieldWidth(0);
1023 }
1024 break;
1025 }
1026 }
1027
1028 return success;
1029}
1030
1031// Print results
1032////////////////////////////////////////////////////////////////////////////
1033void bncComb::printResults(bncTime epoTime, QTextStream& out,
1034 const QMap<QString, cmbCorr*>& resCorr) {
1035
1036 QMapIterator<QString, cmbCorr*> it(resCorr);
1037 while (it.hasNext()) {
1038 it.next();
1039 cmbCorr* corr = it.value();
1040 const t_eph* eph = corr->_eph;
1041 if (eph) {
1042 ColumnVector xc(6);
1043 ColumnVector vv(3);
1044 if (eph->getCrd(epoTime, xc, vv, false) != success) {
1045 continue;
1046 }
1047 out << epoTime.datestr().c_str() << " "
1048 << epoTime.timestr().c_str() << " ";
1049 out.setFieldWidth(3);
1050 out << "Full Clock " << corr->_prn.mid(0,3) << " " << corr->_iod << " ";
1051 out.setFieldWidth(14);
1052 out << (xc(4) + corr->_dClkResult) * t_CST::c << "\n";
1053 out.setFieldWidth(0);
1054 }
1055 else {
1056 out << "bncComb::printResults bug" << "\n";
1057 }
1058 out.flush();
1059 }
1060}
1061
1062// Send results to RTNet Decoder and directly to PPP Client
1063////////////////////////////////////////////////////////////////////////////
1064void bncComb::dumpResults(bncTime epoTime, QMap<QString, cmbCorr*>& resCorr) {
1065
1066 QList<t_orbCorr> orbCorrections;
1067 QList<t_clkCorr> clkCorrections;
1068 QList<t_satCodeBias> satCodeBiasList;
1069
1070 unsigned year, month, day, hour, minute;
1071 double sec;
1072 epoTime.civil_date(year, month, day);
1073 epoTime.civil_time(hour, minute, sec);
1074
1075 QString outLines = QString().asprintf("* %4d %2d %2d %d %d %12.8f\n",
1076 year, month, day, hour, minute, sec);
1077
1078 QMutableMapIterator<QString, cmbCorr*> it(resCorr);
1079 while (it.hasNext()) {
1080 it.next();
1081 cmbCorr* corr = it.value();
1082
1083 // ORBIT
1084 t_orbCorr orbCorr(corr->_orbCorr);
1085 orbCorr._staID = "INTERNAL";
1086 orbCorrections.push_back(orbCorr);
1087
1088 // CLOCK
1089 t_clkCorr clkCorr(corr->_clkCorr);
1090 clkCorr._staID = "INTERNAL";
1091 clkCorr._dClk = corr->_dClkResult;
1092 clkCorr._dotDClk = 0.0;
1093 clkCorr._dotDotDClk = 0.0;
1094 clkCorrections.push_back(clkCorr);
1095
1096 ColumnVector xc(6);
1097 ColumnVector vv(3);
1098 corr->_eph->setClkCorr(dynamic_cast<const t_clkCorr*>(&clkCorr));
1099 corr->_eph->setOrbCorr(dynamic_cast<const t_orbCorr*>(&orbCorr));
1100 if (corr->_eph->getCrd(epoTime, xc, vv, true) != success) {
1101 delete corr;
1102 it.remove();
1103 continue;
1104 }
1105
1106 // Correction Phase Center --> CoM
1107 // -------------------------------
1108 ColumnVector dx(3); dx = 0.0;
1109 ColumnVector apc(3); apc = 0.0;
1110 ColumnVector com(3); com = 0.0;
1111 bool masterIsAPC = true;
1112 if (_antex) {
1113 double Mjd = epoTime.mjd() + epoTime.daysec()/86400.0;
1114 char sys = corr->_eph->prn().system();
1115 masterIsAPC = _masterIsAPC[sys];
1116 if (_antex->satCoMcorrection(corr->_prn, Mjd, xc.Rows(1,3), dx) != success) {
1117 dx = 0;
1118 _log += "antenna not found " + corr->_prn.mid(0,3).toLatin1() + '\n';
1119 }
1120 }
1121 if (masterIsAPC) {
1122 apc(1) = xc(1);
1123 apc(2) = xc(2);
1124 apc(3) = xc(3);
1125 com(1) = xc(1)-dx(1);
1126 com(2) = xc(2)-dx(2);
1127 com(3) = xc(3)-dx(3);
1128 }
1129 else {
1130 com(1) = xc(1);
1131 com(2) = xc(2);
1132 com(3) = xc(3);
1133 apc(1) = xc(1)+dx(1);
1134 apc(2) = xc(2)+dx(2);
1135 apc(3) = xc(3)+dx(3);
1136 }
1137
1138 outLines += corr->_prn.mid(0,3);
1139 QString hlp = QString().asprintf(
1140 " APC 3 %15.4f %15.4f %15.4f"
1141 " Clk 1 %15.4f"
1142 " Vel 3 %15.4f %15.4f %15.4f"
1143 " CoM 3 %15.4f %15.4f %15.4f",
1144 apc(1), apc(2), apc(3),
1145 xc(4) * t_CST::c,
1146 vv(1), vv(2), vv(3),
1147 com(1), com(2), com(3));
1148 outLines += hlp;
1149 hlp.clear();
1150
1151 // CODE BIASES
1152 if (corr->_satCodeBias._bias.size()) {
1153 t_satCodeBias satCodeBias(corr->_satCodeBias);
1154 satCodeBias._staID = "INTERNAL";
1155 satCodeBiasList.push_back(satCodeBias);
1156 hlp = QString().asprintf(" CodeBias %2lu", satCodeBias._bias.size());
1157 outLines += hlp;
1158 hlp.clear();
1159 for (unsigned ii = 0; ii < satCodeBias._bias.size(); ii++) {
1160 const t_frqCodeBias& frqCodeBias = satCodeBias._bias[ii];
1161 if (!frqCodeBias._rnxType2ch.empty()) {
1162 hlp = QString().asprintf(" %s%10.6f", frqCodeBias._rnxType2ch.c_str(), frqCodeBias._value);
1163 outLines += hlp;
1164 hlp.clear();
1165 }
1166 }
1167 }
1168 outLines += "\n";
1169 delete corr;
1170 it.remove();
1171 }
1172
1173 outLines += "EOE\n"; // End Of Epoch flag
1174 //cout << outLines.toStdString();
1175
1176 vector<string> errmsg;
1177 _rtnetDecoder->Decode(outLines.toLatin1().data(), outLines.length(), errmsg);
1178
1179 // Send new Corrections to PPP etc.
1180 // --------------------------------
1181 if (orbCorrections.size() > 0 && clkCorrections.size() > 0) {
1182 emit newOrbCorrections(orbCorrections);
1183 emit newClkCorrections(clkCorrections);
1184 }
1185 if (satCodeBiasList.size()) {
1186 emit newCodeBiases(satCodeBiasList);
1187 }
1188}
1189
1190// Create First Design Matrix and Vector of Measurements
1191////////////////////////////////////////////////////////////////////////////
1192t_irc bncComb::createAmat(char sys, Matrix& AA, ColumnVector& ll, DiagonalMatrix& PP,
1193 const ColumnVector& x0, QMap<QString, cmbCorr*>& resCorr) {
1194
1195 unsigned nPar = _params[sys].size();
1196 unsigned nObs = corrs(sys).size();
1197
1198 if (nObs == 0) {
1199 return failure;
1200 }
1201
1202 int maxSat = _cmbSysPrn[sys];
1203
1204 const int nCon = (_method == filter) ? 1 + maxSat : 0;
1205
1206 AA.ReSize(nObs+nCon, nPar); AA = 0.0;
1207 ll.ReSize(nObs+nCon); ll = 0.0;
1208 PP.ReSize(nObs+nCon); PP = 1.0 / (sigObs * sigObs);
1209
1210 int iObs = 0;
1211 QVectorIterator<cmbCorr*> itCorr(corrs(sys));
1212 while (itCorr.hasNext()) {
1213 cmbCorr* corr = itCorr.next();
1214 QString prn = corr->_prn;
1215
1216 ++iObs;
1217
1218 if (corr->_acName == _masterOrbitAC[sys] && resCorr.find(prn) == resCorr.end()) {
1219 resCorr[prn] = new cmbCorr(*corr);
1220 }
1221
1222 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1223 cmbParam* pp = _params[sys][iPar-1];
1224 AA(iObs, iPar) = pp->partial(sys, corr->_acName, prn);
1225 }
1226
1227 ll(iObs) = (corr->_clkCorr._dClk * t_CST::c - corr->_satCodeBiasIF) - DotProduct(AA.Row(iObs), x0);
1228
1229 PP(iObs, iObs) *= 1.0 / (corr->_weightFactor * corr->_weightFactor);
1230 }
1231
1232 // Regularization
1233 // --------------
1234 if (_method == filter) {
1235 const double Ph = 1.e6;
1236 PP(nObs+1) = Ph;
1237 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1238 cmbParam* pp = _params[sys][iPar-1];
1239 if ( AA.Column(iPar).maximum_absolute_value() > 0.0 &&
1240 pp->type == cmbParam::clkSat ) {
1241 AA(nObs+1, iPar) = 1.0;
1242 }
1243 }
1244 unsigned flag = 0;
1245 if (sys == 'E') {
1246 flag = 1;
1247 }
1248// if (sys == 'R') {
1249// return success;
1250// }
1251 int iCond = 1;
1252 // GNSS
1253 for (unsigned iGnss = 1; iGnss <= _cmbSysPrn[sys]; iGnss++) {
1254 QString prn = QString("%1%2_%3").arg(sys).arg(iGnss, 2, 10, QChar('0')).arg(flag);
1255 ++iCond;
1256 PP(nObs+iCond) = Ph;
1257 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1258 cmbParam* pp = _params[sys][iPar-1];
1259 if ( pp &&
1260 AA.Column(iPar).maximum_absolute_value() > 0.0 &&
1261 pp->type == cmbParam::offACSat &&
1262 pp->prn == prn) {
1263 AA(nObs+iCond, iPar) = 1.0;
1264 }
1265 }
1266 }
1267 }
1268
1269 return success;
1270}
1271
1272// Process Epoch - Single-Epoch Method
1273////////////////////////////////////////////////////////////////////////////
1274t_irc bncComb::processEpoch_singleEpoch(bncTime epoTime, char sys, QTextStream& out,
1275 QMap<QString, cmbCorr*>& resCorr,
1276 ColumnVector& dx) {
1277
1278 // Check Satellite Positions for Outliers
1279 // --------------------------------------
1280 if (checkOrbits(epoTime, sys, out) != success) {
1281 return failure;
1282 }
1283
1284 // Outlier Detection Loop
1285 // ----------------------
1286 while (_running) {
1287
1288 // Remove Satellites that are not in Master
1289 // ----------------------------------------
1290 QMutableVectorIterator<cmbCorr*> it(corrs(sys));
1291 while (it.hasNext()) {
1292 cmbCorr* corr = it.next();
1293 QString prn = corr->_prn;
1294 bool foundMaster = false;
1295 QVectorIterator<cmbCorr*> itHlp(corrs(sys));
1296 while (itHlp.hasNext()) {
1297 cmbCorr* corrHlp = itHlp.next();
1298 QString prnHlp = corrHlp->_prn;
1299 QString ACHlp = corrHlp->_acName;
1300 if (ACHlp == _masterOrbitAC[sys] && prn == prnHlp) {
1301 foundMaster = true;
1302 break;
1303 }
1304 }
1305 if (!foundMaster) {
1306 delete corr;
1307 it.remove();
1308 }
1309 }
1310
1311 // Count Number of Observations per Satellite and per AC
1312 // -----------------------------------------------------
1313 QMap<QString, int> numObsPrn;
1314 QMap<QString, int> numObsAC;
1315 QVectorIterator<cmbCorr*> itCorr(corrs(sys));
1316 while (itCorr.hasNext()) {
1317 cmbCorr* corr = itCorr.next();
1318 QString prn = corr->_prn;
1319 QString AC = corr->_acName;
1320 if (numObsPrn.find(prn) == numObsPrn.end()) {
1321 numObsPrn[prn] = 1;
1322 }
1323 else {
1324 numObsPrn[prn] += 1;
1325 }
1326 if (numObsAC.find(AC) == numObsAC.end()) {
1327 numObsAC[AC] = 1;
1328 }
1329 else {
1330 numObsAC[AC] += 1;
1331 }
1332 }
1333
1334 // Clean-Up the Parameters
1335 // -----------------------
1336 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1337 delete _params[sys][iPar-1];
1338 }
1339 _params[sys].clear();
1340
1341 // Set new Parameters
1342 // ------------------
1343 int nextPar = 0;
1344
1345 QMapIterator<QString, int> itAC(numObsAC);
1346 while (itAC.hasNext()) {
1347 itAC.next();
1348 const QString& AC = itAC.key();
1349 int numObs = itAC.value();
1350 if (AC != _masterOrbitAC[sys] && numObs > 0) {
1351 _params[sys].push_back(new cmbParam(cmbParam::offACgnss, ++nextPar, AC, ""));
1352 }
1353 }
1354
1355 QMapIterator<QString, int> itPrn(numObsPrn);
1356 while (itPrn.hasNext()) {
1357 itPrn.next();
1358 const QString& prn = itPrn.key();
1359 int numObs = itPrn.value();
1360 if (numObs > 0) {
1361 _params[sys].push_back(new cmbParam(cmbParam::clkSat, ++nextPar, "", prn));
1362 }
1363 }
1364
1365 int nPar = _params[sys].size();
1366 ColumnVector x0(nPar);
1367 x0 = 0.0;
1368
1369 // Create First-Design Matrix
1370 // --------------------------
1371 Matrix AA;
1372 ColumnVector ll;
1373 DiagonalMatrix PP;
1374 if (createAmat(sys, AA, ll, PP, x0, resCorr) != success) {
1375 return failure;
1376 }
1377
1378 ColumnVector vv;
1379 try {
1380 Matrix ATP = AA.t() * PP;
1381 SymmetricMatrix NN; NN << ATP * AA;
1382 ColumnVector bb = ATP * ll;
1383 _QQ[sys] = NN.i();
1384 dx = _QQ[sys] * bb;
1385 vv = ll - AA * dx;
1386 }
1387 catch (Exception& exc) {
1388 out << exc.what() << "\n";
1389 return failure;
1390 }
1391
1392 int maxResIndex;
1393 double maxRes = vv.maximum_absolute_value1(maxResIndex);
1394 out.setRealNumberNotation(QTextStream::FixedNotation);
1395 out.setRealNumberPrecision(3);
1396 out << epoTime.datestr().c_str() << " " << epoTime.timestr().c_str()
1397 << " Maximum Residuum " << maxRes << ' '
1398 << corrs(sys)[maxResIndex-1]->_acName << ' ' << corrs(sys)[maxResIndex-1]->_prn.mid(0,3);
1399
1400 if (maxRes > _MAX_RES) {
1401 out << " Outlier" << "\n";
1402 delete corrs(sys)[maxResIndex-1];
1403 corrs(sys).remove(maxResIndex-1);
1404 }
1405 else {
1406 out << " OK" << "\n";
1407 out.setRealNumberNotation(QTextStream::FixedNotation);
1408 out.setRealNumberPrecision(3);
1409 for (int ii = 0; ii < vv.Nrows(); ii++) {
1410 const cmbCorr* corr = corrs(sys)[ii];
1411 out << epoTime.datestr().c_str() << ' '
1412 << epoTime.timestr().c_str() << " "
1413 << corr->_acName << ' ' << corr->_prn.mid(0,3);
1414 out.setFieldWidth(6);
1415 out << " res = " << vv[ii] << "\n";
1416 out.setFieldWidth(0);
1417 }
1418 return success;
1419 }
1420
1421 }
1422
1423 return failure;
1424}
1425
1426// Check Satellite Positions for Outliers
1427////////////////////////////////////////////////////////////////////////////
1428t_irc bncComb::checkOrbits(bncTime epoTime, char sys, QTextStream& out) {
1429
1430 // Switch to last ephemeris (if possible)
1431 // --------------------------------------
1432 QMutableVectorIterator<cmbCorr*> im(corrs(sys));
1433 while (im.hasNext()) {
1434 cmbCorr* corr = im.next();
1435 QString prn = corr->_prn;
1436
1437 t_eph* ephLast = _ephUser.ephLast(prn);
1438 t_eph* ephPrev = _ephUser.ephPrev(prn);
1439
1440 if (ephLast == 0) {
1441 out << "checkOrbit: missing eph (not found) " << corr->_prn.mid(0,3) << "\n";
1442 delete corr;
1443 im.remove();
1444 }
1445 else if (corr->_eph == 0) {
1446 out << "checkOrbit: missing eph (zero) " << corr->_prn.mid(0,3) << "\n";
1447 delete corr;
1448 im.remove();
1449 }
1450 else {
1451 if ( corr->_eph == ephLast || corr->_eph == ephPrev ) {
1452 switchToLastEph(ephLast, corr);
1453 }
1454 else {
1455 out << "checkOrbit: missing eph (deleted) " << corr->_prn.mid(0,3) << "\n";
1456 delete corr;
1457 im.remove();
1458 }
1459 }
1460 }
1461
1462 while (_running) {
1463
1464 // Compute Mean Corrections for all Satellites
1465 // -------------------------------------------
1466 QMap<QString, int> numCorr;
1467 QMap<QString, ColumnVector> meanRao;
1468 QVectorIterator<cmbCorr*> it(corrs(sys));
1469 while (it.hasNext()) {
1470 cmbCorr* corr = it.next();
1471 QString prn = corr->_prn;
1472 if (meanRao.find(prn) == meanRao.end()) {
1473 meanRao[prn].ReSize(4);
1474 meanRao[prn].Rows(1,3) = corr->_orbCorr._xr;
1475 meanRao[prn](4) = 1;
1476 }
1477 else {
1478 meanRao[prn].Rows(1,3) += corr->_orbCorr._xr;
1479 meanRao[prn](4) += 1;
1480 }
1481 if (numCorr.find(prn) == numCorr.end()) {
1482 numCorr[prn] = 1;
1483 }
1484 else {
1485 numCorr[prn] += 1;
1486 }
1487 }
1488
1489 // Compute Differences wrt. Mean, find Maximum
1490 // -------------------------------------------
1491 QMap<QString, cmbCorr*> maxDiff;
1492 it.toFront();
1493 while (it.hasNext()) {
1494 cmbCorr* corr = it.next();
1495 QString prn = corr->_prn;
1496 if (meanRao[prn](4) != 0) {
1497 meanRao[prn] /= meanRao[prn](4);
1498 meanRao[prn](4) = 0;
1499 }
1500 corr->_diffRao = corr->_orbCorr._xr - meanRao[prn].Rows(1,3);
1501 if (maxDiff.find(prn) == maxDiff.end()) {
1502 maxDiff[prn] = corr;
1503 }
1504 else {
1505 double normMax = maxDiff[prn]->_diffRao.NormFrobenius();
1506 double norm = corr->_diffRao.NormFrobenius();
1507 if (norm > normMax) {
1508 maxDiff[prn] = corr;
1509 }
1510 }
1511 }
1512
1513 if (_ACs.size() == 1) {
1514 break;
1515 }
1516
1517 // Remove Outliers
1518 // ---------------
1519 bool removed = false;
1520 QMutableVectorIterator<cmbCorr*> im(corrs(sys));
1521 while (im.hasNext()) {
1522 cmbCorr* corr = im.next();
1523 QString prn = corr->_prn;
1524 if (numCorr[prn] < 2) {
1525 delete corr;
1526 im.remove();
1527 }
1528 else if (corr == maxDiff[prn]) {
1529 double norm = corr->_diffRao.NormFrobenius();
1530 if (norm > _MAX_DISPLACEMENT) {
1531 out << epoTime.datestr().c_str() << " "
1532 << epoTime.timestr().c_str() << " "
1533 << "Orbit Outlier: "
1534 << corr->_acName.toLatin1().data() << " "
1535 << prn.mid(0,3).toLatin1().data() << " "
1536 << corr->_iod << " "
1537 << norm << "\n";
1538 delete corr;
1539 im.remove();
1540 removed = true;
1541 }
1542 }
1543 }
1544
1545 if (!removed) {
1546 break;
1547 }
1548 }
1549
1550 return success;
1551}
1552
1553//
1554////////////////////////////////////////////////////////////////////////////
1555void bncComb::slotProviderIDChanged(QString mountPoint) {
1556 QMutexLocker locker(&_mutex);
1557
1558 QTextStream out(&_log, QIODevice::WriteOnly);
1559
1560 // Find the AC Name
1561 // ----------------
1562 QString acName;
1563 QListIterator<cmbAC*> icAC(_ACs);
1564 while (icAC.hasNext()) {
1565 cmbAC *AC = icAC.next();
1566 if (AC->mountPoint == mountPoint) {
1567 acName = AC->name;
1568 out << "Provider ID changed: AC " << AC->name.toLatin1().data() << " "
1569 << _resTime.datestr().c_str() << " " << _resTime.timestr().c_str()
1570 << "\n";
1571 break;
1572 }
1573 }
1574 if (acName.isEmpty()) {
1575 return;
1576 }
1577 QMapIterator<char, unsigned> itSys(_cmbSysPrn);
1578 while (itSys.hasNext()) {
1579 itSys.next();
1580 char sys = itSys.key();
1581 // Remove all corrections of the corresponding AC
1582 // ----------------------------------------------
1583 QVector<cmbCorr*> &corrVec = _buffer[sys].corrs;
1584 QMutableVectorIterator<cmbCorr*> it(corrVec);
1585 while (it.hasNext()) {
1586 cmbCorr *corr = it.next();
1587 if (acName == corr->_acName) {
1588 delete corr;
1589 it.remove();
1590 }
1591 }
1592 // Reset Satellite Offsets
1593 // -----------------------
1594 if (_method == filter) {
1595 for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {
1596 cmbParam *pp = _params[sys][iPar - 1];
1597 if (pp->AC == acName && pp->type == cmbParam::offACSat) {
1598 pp->xx = 0.0;
1599 _QQ[sys].Row(iPar) = 0.0;
1600 _QQ[sys].Column(iPar) = 0.0;
1601 _QQ[sys](iPar, iPar) = pp->sig0 * pp->sig0;
1602 }
1603 }
1604 }
1605 }
1606}
1607
1608//
1609////////////////////////////////////////////////////////////////////////////
1610bool bncComb::excludeSat(const t_prn& prn, const QStringList excludeSats) const {
1611 QStringListIterator it(excludeSats);
1612 while (it.hasNext()) {
1613 string prnStr = it.next().toLatin1().data();
1614 if (prnStr == prn.toString() || prnStr == prn.toString().substr(0,1)) {
1615 return true;
1616 }
1617 }
1618 return false;
1619}
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