source: ntrip/trunk/BNC/src/rinex/reqcanalyze.cpp@ 6131

Last change on this file since 6131 was 6122, checked in by mervart, 11 years ago
File size: 24.0 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25/* -------------------------------------------------------------------------
26 * BKG NTRIP Client
27 * -------------------------------------------------------------------------
28 *
29 * Class: t_reqcAnalyze
30 *
31 * Purpose: Analyze RINEX Files
32 *
33 * Author: L. Mervart
34 *
35 * Created: 11-Apr-2012
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <iostream>
42#include <iomanip>
43#include <qwt_plot_renderer.h>
44
45#include "reqcanalyze.h"
46#include "bnccore.h"
47#include "bncsettings.h"
48#include "reqcedit.h"
49#include "bncutils.h"
50#include "graphwin.h"
51#include "polarplot.h"
52#include "availplot.h"
53#include "eleplot.h"
54#include "dopplot.h"
55
56using namespace std;
57
58const double SLIPTRESH = 10.0; // cycle-slip threshold (meters)
59
60// Constructor
61////////////////////////////////////////////////////////////////////////////
62t_reqcAnalyze::t_reqcAnalyze(QObject* parent) : QThread(parent) {
63
64 bncSettings settings;
65
66 _logFileName = settings.value("reqcOutLogFile").toString(); expandEnvVar(_logFileName);
67 _logFile = 0;
68 _log = 0;
69 _obsFileNames = settings.value("reqcObsFile").toString().split(",", QString::SkipEmptyParts);
70 _navFileNames = settings.value("reqcNavFile").toString().split(",", QString::SkipEmptyParts);
71
72 _currEpo = 0;
73
74 connect(this, SIGNAL(dspSkyPlot(const QString&,
75 const QByteArray&,
76 QVector<t_polarPoint*>*,
77 const QByteArray&,
78 QVector<t_polarPoint*>*,
79 const QByteArray&, double)),
80 this, SLOT(slotDspSkyPlot(const QString&,
81 const QByteArray&,
82 QVector<t_polarPoint*>*,
83 const QByteArray&,
84 QVector<t_polarPoint*>*,
85 const QByteArray&, double)));
86
87 connect(this, SIGNAL(dspAvailPlot(const QString&, const QByteArray&)),
88 this, SLOT(slotDspAvailPlot(const QString&, const QByteArray&)));
89}
90
91// Destructor
92////////////////////////////////////////////////////////////////////////////
93t_reqcAnalyze::~t_reqcAnalyze() {
94 for (int ii = 0; ii < _rnxObsFiles.size(); ii++) {
95 delete _rnxObsFiles[ii];
96 }
97 for (int ii = 0; ii < _ephs.size(); ii++) {
98 delete _ephs[ii];
99 }
100 delete _log; _log = 0;
101 delete _logFile; _logFile = 0;
102 if (BNC_CORE->mode() != t_bncCore::interactive) {
103 qApp->exit(0);
104 }
105}
106
107//
108////////////////////////////////////////////////////////////////////////////
109void t_reqcAnalyze::slotDspSkyPlot(const QString& fileName,
110 const QByteArray& title1,
111 QVector<t_polarPoint*>* data1,
112 const QByteArray& title2,
113 QVector<t_polarPoint*>* data2,
114 const QByteArray& scaleTitle,
115 double maxValue) {
116
117 if (BNC_CORE->GUIenabled()) {
118
119 if (maxValue == 0.0) {
120 if (data1) {
121 for (int ii = 0; ii < data1->size(); ii++) {
122 double val = data1->at(ii)->_value;
123 if (maxValue < val) {
124 maxValue = val;
125 }
126 }
127 }
128 if (data2) {
129 for (int ii = 0; ii < data2->size(); ii++) {
130 double val = data2->at(ii)->_value;
131 if (maxValue < val) {
132 maxValue = val;
133 }
134 }
135 }
136 }
137
138 QwtInterval scaleInterval(0.0, maxValue);
139
140 QVector<QWidget*> plots;
141 if (data1) {
142 t_polarPlot* plot1 = new t_polarPlot(QwtText(title1), scaleInterval,
143 BNC_CORE->mainWindow());
144 plot1->addCurve(data1);
145 plots << plot1;
146 }
147 if (data2) {
148 t_polarPlot* plot2 = new t_polarPlot(QwtText(title2), scaleInterval,
149 BNC_CORE->mainWindow());
150 plot2->addCurve(data2);
151 plots << plot2;
152 }
153
154 t_graphWin* graphWin = new t_graphWin(0, fileName, plots,
155 &scaleTitle, &scaleInterval);
156
157 graphWin->show();
158
159 bncSettings settings;
160 QString dirName = settings.value("reqcPlotDir").toString();
161 if (!dirName.isEmpty()) {
162 QByteArray ext = scaleTitle.isEmpty() ? "_S.png" : "_M.png";
163 graphWin->savePNG(dirName, ext);
164 }
165 }
166}
167
168//
169////////////////////////////////////////////////////////////////////////////
170void t_reqcAnalyze::run() {
171
172 // Open Log File
173 // -------------
174 _logFile = new QFile(_logFileName);
175 if (_logFile->open(QIODevice::WriteOnly | QIODevice::Text)) {
176 _log = new QTextStream();
177 _log->setDevice(_logFile);
178 }
179
180 // Initialize RINEX Observation Files
181 // ----------------------------------
182 t_reqcEdit::initRnxObsFiles(_obsFileNames, _rnxObsFiles, _log);
183
184 // Read Ephemerides
185 // ----------------
186 t_reqcEdit::readEphemerides(_navFileNames, _ephs);
187
188 // Loop over all RINEX Files
189 // -------------------------
190 for (int ii = 0; ii < _rnxObsFiles.size(); ii++) {
191 analyzeFile(_rnxObsFiles[ii]);
192 }
193
194 // Exit
195 // ----
196 emit finished();
197 deleteLater();
198}
199
200//
201////////////////////////////////////////////////////////////////////////////
202void t_reqcAnalyze::analyzeFile(t_rnxObsFile* obsFile) {
203
204 _mutex.lock();
205
206 if (_log) {
207 *_log << "\nAnalyze File\n"
208 << "------------\n"
209 << "File: " << obsFile->fileName().toAscii().data() << endl;
210 }
211
212 _allObsMap.clear();
213 _availDataMap.clear();
214 _obsStat.reset();
215
216 // A priori Coordinates
217 // --------------------
218 ColumnVector xyzSta = obsFile->xyz();
219
220 // Loop over all Epochs
221 // --------------------
222 try {
223 unsigned iEpo = 0;
224 while ( (_currEpo = obsFile->nextEpoch()) != 0) {
225
226 if (iEpo == 0) {
227 _obsStat._startTime = _currEpo->tt;
228 _obsStat._antennaName = obsFile->antennaName();
229 _obsStat._markerName = obsFile->markerName();
230 _obsStat._receiverType = obsFile->receiverType();
231 _obsStat._interval = obsFile->interval();
232 }
233 _obsStat._endTime = _currEpo->tt;
234
235 // Loop over all satellites
236 // ------------------------
237 for (unsigned iObs = 0; iObs < _currEpo->rnxSat.size(); iObs++) {
238 const t_rnxObsFile::t_rnxSat& rnxSat = _currEpo->rnxSat[iObs];
239 t_obs obs;
240 t_rnxObsFile::setObsFromRnx(obsFile, _currEpo, rnxSat, obs);
241
242 QString prn = QString("%1%2").arg(obs.satSys)
243 .arg(obs.satNum, 2, 10, QChar('0'));
244
245 t_ephGlo* ephGlo = 0;
246 if (obs.satSys == 'R') {
247 for (int ie = 0; ie < _ephs.size(); ie++) {
248 if (QString(_ephs[ie]->prn().toString().c_str()) == prn) {
249 ephGlo = dynamic_cast<t_ephGlo*>(_ephs[ie]);
250 break;
251 }
252 }
253 if (ephGlo) {
254 obs.slotNum = ephGlo->slotNum();
255 }
256 }
257
258 t_irc irc = _allObsMap[prn].addObs(obs);
259
260 if (irc == success) {
261 t_oneObs* newObs = _allObsMap[prn]._oneObsVec.last();
262 if (ephGlo) {
263 newObs->_slotSet = true;
264 }
265 if (newObs->_hasL1 && newObs->_hasL2) {
266 _obsStat._prnStat[prn]._numObs += 1;
267 }
268 if (newObs->_slipL1 && newObs->_slipL2) {
269 _obsStat._prnStat[prn]._numSlipsFlagged += 1;
270 }
271 }
272 }
273
274 prepareObsStat(iEpo, obsFile->interval(), xyzSta);
275 iEpo++;
276
277 } // while (_currEpo)
278 }
279 catch (QString str) {
280 if (_log) {
281 *_log << "Exception " << str << endl;
282 }
283 else {
284 qDebug() << str;
285 }
286 _mutex.unlock();
287 return;
288 }
289
290 // Analyze the Multipath
291 // ---------------------
292 QVector<t_polarPoint*>* dataMP1 = new QVector<t_polarPoint*>;
293 QVector<t_polarPoint*>* dataMP2 = new QVector<t_polarPoint*>;
294 QVector<t_polarPoint*>* dataSNR1 = new QVector<t_polarPoint*>;
295 QVector<t_polarPoint*>* dataSNR2 = new QVector<t_polarPoint*>;
296
297 QMutableMapIterator<QString, t_allObs> it(_allObsMap);
298 while (it.hasNext()) {
299 it.next();
300 QString prn = it.key();
301 preparePlotData(prn, xyzSta, obsFile->interval(),
302 dataMP1, dataMP2, dataSNR1, dataSNR2);
303 }
304
305 printReport(dataMP1, dataMP2, dataSNR1, dataSNR2);
306
307 // Show the plots
308 // --------------
309 if (BNC_CORE->GUIenabled()) {
310 QFileInfo fileInfo(obsFile->fileName());
311 QByteArray title = fileInfo.fileName().toAscii();
312 emit dspSkyPlot(obsFile->fileName(), "MP1", dataMP1, "MP2", dataMP2,
313 "Meters", 2.0);
314 emit dspSkyPlot(obsFile->fileName(), "SNR1", dataSNR1, "SNR2", dataSNR2,
315 "", 9.0);
316 emit dspAvailPlot(obsFile->fileName(), title);
317 }
318 else {
319 for (int ii = 0; ii < dataMP1->size(); ii++) {
320 delete dataMP1->at(ii);
321 }
322 delete dataMP1;
323 for (int ii = 0; ii < dataMP2->size(); ii++) {
324 delete dataMP2->at(ii);
325 }
326 delete dataMP2;
327 for (int ii = 0; ii < dataSNR1->size(); ii++) {
328 delete dataSNR1->at(ii);
329 }
330 delete dataSNR1;
331 for (int ii = 0; ii < dataSNR2->size(); ii++) {
332 delete dataSNR2->at(ii);
333 }
334 delete dataSNR2;
335 _mutex.unlock();
336 }
337}
338
339//
340////////////////////////////////////////////////////////////////////////////
341t_irc t_reqcAnalyze::t_allObs::addObs(const t_obs& obs) {
342
343 t_oneObs* newObs = new t_oneObs(obs.GPSWeek, obs.GPSWeeks);
344 bool okFlag = false;
345
346 // Availability and Slip Flags
347 // ---------------------------
348 double L1 = obs.measdata("L1", 3.0);
349 if (L1 != 0) {
350 newObs->_hasL1 = true;
351 }
352 double L2 = obs.satSys == 'E' ? obs.measdata("L5", 3.0) : obs.measdata("L2", 3.0);;
353 if (L2 != 0) {
354 newObs->_hasL2 = true;
355 }
356 if (obs.slipL1) {
357 newObs->_slipL1 = true;
358 }
359 if (obs.slipL2) {
360 newObs->_slipL2 = true;
361 }
362
363 // Compute the Multipath
364 // ----------------------
365 if (L1 != 0.0 && L2 != 0.0) {
366 double f1 = 0.0;
367 double f2 = 0.0;
368 if (obs.satSys == 'G') {
369 f1 = t_CST::freq(t_frequency::G1, 0);
370 f2 = t_CST::freq(t_frequency::G2, 0);
371 }
372 else if (obs.satSys == 'R') {
373 f1 = t_CST::freq(t_frequency::R1, obs.slotNum);
374 f2 = t_CST::freq(t_frequency::R2, obs.slotNum);
375 }
376 else if (obs.satSys == 'E') {
377 f1 = t_CST::freq(t_frequency::E1, 0);
378 f2 = t_CST::freq(t_frequency::E5, 0);
379 }
380
381 L1 = L1 * t_CST::c / f1;
382 L2 = L2 * t_CST::c / f2;
383
384 double P1 = obs.measdata("C1", 3.0);
385 if (P1 != 0.0) {
386 newObs->_MP1 = P1 - L1 - 2.0*f2*f2/(f1*f1-f2*f2) * (L1 - L2);
387 okFlag = true;
388 }
389 double P2 = obs.satSys == 'E' ? obs.measdata("C5", 3.0) : obs.measdata("C2", 3.0);
390 if (P2 != 0.0) {
391 newObs->_MP2 = P2 - L2 - 2.0*f1*f1/(f1*f1-f2*f2) * (L1 - L2);
392 okFlag = true;
393 }
394 }
395
396 // Signal-to-Noise
397 // ---------------
398 double S1 = obs.measdata("S1", 3.0);
399 if (S1 != 0.0) {
400 newObs->_SNR1 = floor(S1/6);
401 if (newObs->_SNR1 > 9.0) {
402 newObs->_SNR1 = 9.0;
403 }
404 if (newObs->_SNR1 < 1.0) {
405 newObs->_SNR1 = 1.0;
406 }
407 okFlag = true;
408 }
409 else {
410 if (obs.snrL1 > 0) {
411 newObs->_SNR1 = obs.snrL1;
412 okFlag = true;
413 }
414 }
415 double S2 = obs.satSys == 'E' ? obs.measdata("S5", 3.0) : obs.measdata("S2", 3.0);
416 if (S2 != 0.0) {
417 newObs->_SNR2 = floor(S2/6);
418 if (newObs->_SNR2 > 9.0) {
419 newObs->_SNR2 = 9.0;
420 }
421 if (newObs->_SNR2 < 1.0) {
422 newObs->_SNR2 = 1.0;
423 }
424 okFlag = true;
425 }
426 else {
427 if (obs.snrL2 > 0) {
428 newObs->_SNR2 = obs.snrL2;
429 okFlag = true;
430 }
431 }
432
433 // Remember the Observation
434 // ------------------------
435 if (okFlag) {
436 _oneObsVec << newObs;
437 return success;
438 }
439 else {
440 delete newObs;
441 return failure;
442 }
443}
444
445//
446////////////////////////////////////////////////////////////////////////////
447void t_reqcAnalyze::prepareObsStat(unsigned iEpo, double obsInterval,
448 const ColumnVector& xyzSta) {
449 const int sampl = int(30.0 / obsInterval);
450 if (iEpo % sampl == 0) {
451 double mjdX24 = _currEpo->tt.mjddec() * 24.0;
452 if (iEpo != 0) {
453 _obsStat._mjdX24 << mjdX24;
454 _obsStat._numSat << _obsStat._numSat.last();
455 _obsStat._PDOP << _obsStat._PDOP.last();
456 }
457 _obsStat._mjdX24 << mjdX24;
458 _obsStat._numSat << _currEpo->rnxSat.size();
459 _obsStat._PDOP << cmpDOP(xyzSta);
460 }
461}
462
463//
464////////////////////////////////////////////////////////////////////////////
465void t_reqcAnalyze::preparePlotData(const QString& prn,
466 const ColumnVector& xyzSta,
467 double obsInterval,
468 QVector<t_polarPoint*>* dataMP1,
469 QVector<t_polarPoint*>* dataMP2,
470 QVector<t_polarPoint*>* dataSNR1,
471 QVector<t_polarPoint*>* dataSNR2) {
472
473 const int chunkStep = int( 30.0 / obsInterval); // chunk step (30 sec)
474 const int numEpo = int(600.0 / obsInterval); // # epochs in one chunk (10 min)
475
476 t_allObs& allObs = _allObsMap[prn];
477
478 bncSettings settings;
479 QString reqSkyPlotSystems = settings.value("reqcSkyPlotSystems").toString();
480 bool plotGPS = false;
481 bool plotGlo = false;
482 bool plotGal = false;
483 if (reqSkyPlotSystems == "GPS") {
484 plotGPS = true;
485 }
486 else if (reqSkyPlotSystems == "GLONASS") {
487 plotGlo = true;
488 }
489 else if (reqSkyPlotSystems == "Galileo") {
490 plotGal = true;
491 }
492 else {
493 plotGPS = true;
494 plotGlo = true;
495 plotGal = true;
496 }
497
498 // Loop over all Chunks of Data
499 // ----------------------------
500 bool slipFound = false;
501 for (int chunkStart = 0; chunkStart + numEpo < allObs._oneObsVec.size();
502 chunkStart += chunkStep) {
503
504 if (chunkStart * chunkStep == numEpo) {
505 slipFound = false;
506 }
507
508 // Chunk-Specific Variables
509 // ------------------------
510 bncTime currTime;
511 bncTime prevTime;
512 bncTime chunkStartTime;
513 double mjdX24 = 0.0;
514 bool availL1 = false;
515 bool availL2 = false;
516 bool gapL1 = false;
517 bool gapL2 = false;
518 bool slipL1 = false;
519 bool slipL2 = false;
520 double meanMP1 = 0.0;
521 double meanMP2 = 0.0;
522 double minSNR1 = 0.0;
523 double minSNR2 = 0.0;
524 double aziDeg = 0.0;
525 double zenDeg = 0.0;
526 bool zenFlag = false;
527
528 // Loop over all Epochs within one Chunk of Data
529 // ---------------------------------------------
530 bool slotSet = false;
531 for (int ii = 0; ii < numEpo; ii++) {
532 int iEpo = chunkStart + ii;
533 const t_oneObs* oneObs = allObs._oneObsVec[iEpo];
534 if (oneObs->_slotSet) {
535 slotSet = true;
536 }
537
538 currTime.set(oneObs->_GPSWeek, oneObs->_GPSWeeks);
539
540 // Compute the Azimuth and Zenith Distance
541 // ---------------------------------------
542 if (ii == 0) {
543 chunkStartTime = currTime;
544 mjdX24 = chunkStartTime.mjddec() * 24.0;
545
546 if (xyzSta.size()) {
547 t_eph* eph = 0;
548 for (int ie = 0; ie < _ephs.size(); ie++) {
549 if (QString(_ephs[ie]->prn().toString().c_str()) == prn) {
550 eph = _ephs[ie];
551 break;
552 }
553 }
554
555 if (eph) {
556 ColumnVector xc(4);
557 ColumnVector vv(3);
558 eph->getCrd(bncTime(oneObs->_GPSWeek, oneObs->_GPSWeeks), xc, vv, false);
559
560 double rho, eleSat, azSat;
561 topos(xyzSta(1), xyzSta(2), xyzSta(3), xc(1), xc(2), xc(3), rho, eleSat, azSat);
562
563 aziDeg = azSat * 180.0/M_PI;
564 zenDeg = 90.0 - eleSat * 180.0/M_PI;
565 zenFlag = true;
566 }
567 }
568 }
569
570 // Check Interval
571 // --------------
572 if (prevTime.valid()) {
573 double dt = currTime - prevTime;
574 if (dt != obsInterval) {
575 gapL1 = true;
576 gapL2 = true;
577 }
578 }
579 prevTime = currTime;
580
581 // Check L1 and L2 availability
582 // ----------------------------
583 if (oneObs->_hasL1) {
584 availL1 = true;
585 }
586 else {
587 gapL1 = true;
588 }
589 if (oneObs->_hasL2) {
590 availL2 = true;
591 }
592 else {
593 gapL2 = true;
594 }
595
596 // Check Minimal Signal-to-Noise Ratio
597 // -----------------------------------
598 if ( oneObs->_SNR1 > 0 && (minSNR1 == 0 || minSNR1 > oneObs->_SNR1) ) {
599 minSNR1 = oneObs->_SNR1;
600 }
601 if ( oneObs->_SNR2 > 0 && (minSNR2 == 0 || minSNR2 > oneObs->_SNR2) ) {
602 minSNR2 = oneObs->_SNR2;
603 }
604
605 // Check Slip Flags
606 // ----------------
607 if (oneObs->_slipL1) {
608 slipL1 = true;
609 }
610 if (oneObs->_slipL2) {
611 slipL2 = true;
612 }
613
614 meanMP1 += oneObs->_MP1;
615 meanMP2 += oneObs->_MP2;
616 }
617
618 // Compute the Multipath
619 // ---------------------
620 if ( (prn[0] == 'G' && plotGPS ) ||
621 (prn[0] == 'R' && plotGlo && slotSet) ||
622 (prn[0] == 'E' && plotGal ) ) {
623 bool slipMP = false;
624 meanMP1 /= numEpo;
625 meanMP2 /= numEpo;
626 double MP1 = 0.0;
627 double MP2 = 0.0;
628 for (int ii = 0; ii < numEpo; ii++) {
629 int iEpo = chunkStart + ii;
630 const t_oneObs* oneObs = allObs._oneObsVec[iEpo];
631 double diff1 = oneObs->_MP1 - meanMP1;
632 double diff2 = oneObs->_MP2 - meanMP2;
633
634 // Check Slip Threshold
635 // --------------------
636 if (fabs(diff1) > SLIPTRESH || fabs(diff2) > SLIPTRESH) {
637 slipMP = true;
638 break;
639 }
640
641 MP1 += diff1 * diff1;
642 MP2 += diff2 * diff2;
643 }
644 if (slipMP) {
645 slipL1 = true;
646 slipL2 = true;
647 if (!slipFound) {
648 slipFound = true;
649 _obsStat._prnStat[prn]._numSlipsFound += 1;
650 }
651 }
652 else {
653 MP1 = sqrt(MP1 / (numEpo-1));
654 MP2 = sqrt(MP2 / (numEpo-1));
655 (*dataMP1) << (new t_polarPoint(aziDeg, zenDeg, MP1));
656 (*dataMP2) << (new t_polarPoint(aziDeg, zenDeg, MP2));
657 }
658 }
659
660 // Availability Plot Data
661 // ----------------------
662 if (availL1) {
663 if (slipL1) {
664 _availDataMap[prn]._L1slip << mjdX24;
665 }
666 else if (gapL1) {
667 _availDataMap[prn]._L1gap << mjdX24;
668 }
669 else {
670 _availDataMap[prn]._L1ok << mjdX24;
671 }
672 }
673 if (availL2) {
674 if (slipL2) {
675 _availDataMap[prn]._L2slip << mjdX24;
676 }
677 else if (gapL2) {
678 _availDataMap[prn]._L2gap << mjdX24;
679 }
680 else {
681 _availDataMap[prn]._L2ok << mjdX24;
682 }
683 }
684 if (zenFlag) {
685 _availDataMap[prn]._eleTim << mjdX24;
686 _availDataMap[prn]._eleDeg << 90.0 - zenDeg;
687 }
688
689 // Signal-to-Noise Ratio Plot Data
690 // -------------------------------
691 if ( (prn[0] == 'G' && plotGPS) ||
692 (prn[0] == 'R' && plotGlo) ||
693 (prn[0] == 'E' && plotGal) ) {
694 (*dataSNR1) << (new t_polarPoint(aziDeg, zenDeg, minSNR1));
695 (*dataSNR2) << (new t_polarPoint(aziDeg, zenDeg, minSNR2));
696 }
697 }
698}
699
700//
701////////////////////////////////////////////////////////////////////////////
702void t_reqcAnalyze::slotDspAvailPlot(const QString& fileName,
703 const QByteArray& title) {
704
705 if (BNC_CORE->GUIenabled()) {
706 t_availPlot* plotA = new t_availPlot(0, &_availDataMap);
707 plotA->setTitle(title);
708
709 t_elePlot* plotZ = new t_elePlot(0, &_availDataMap);
710
711 t_dopPlot* plotD = new t_dopPlot(0, &_obsStat);
712
713 QVector<QWidget*> plots;
714 plots << plotA << plotZ << plotD;
715 t_graphWin* graphWin = new t_graphWin(0, fileName, plots, 0, 0);
716
717 int ww = QFontMetrics(graphWin->font()).width('w');
718 graphWin->setMinimumSize(120*ww, 40*ww);
719
720 graphWin->show();
721
722 bncSettings settings;
723 QString dirName = settings.value("reqcPlotDir").toString();
724 if (!dirName.isEmpty()) {
725 QByteArray ext = "_A.png";
726 graphWin->savePNG(dirName, ext);
727 }
728 }
729 _mutex.unlock();
730}
731
732// Compute Dilution of Precision
733////////////////////////////////////////////////////////////////////////////
734double t_reqcAnalyze::cmpDOP(const ColumnVector& xyzSta) const {
735
736 if (xyzSta.size() != 3) {
737 return 0.0;
738 }
739
740 unsigned nSat = _currEpo->rnxSat.size();
741
742 if (nSat < 4) {
743 return 0.0;
744 }
745
746 Matrix AA(nSat, 4);
747
748 unsigned nSatUsed = 0;
749 for (unsigned iSat = 0; iSat < nSat; iSat++) {
750
751 const t_rnxObsFile::t_rnxSat& rnxSat = _currEpo->rnxSat[iSat];
752 const t_prn& prn = rnxSat.prn;
753
754 t_eph* eph = 0;
755 for (int ie = 0; ie < _ephs.size(); ie++) {
756 if (_ephs[ie]->prn() == prn) {
757 eph = _ephs[ie];
758 break;
759 }
760 }
761 if (eph) {
762 ++nSatUsed;
763 ColumnVector xSat(4);
764 ColumnVector vv(3);
765 eph->getCrd(_currEpo->tt, xSat, vv, false);
766 ColumnVector dx = xSat.Rows(1,3) - xyzSta;
767 double rho = dx.norm_Frobenius();
768 AA(nSatUsed,1) = dx(1) / rho;
769 AA(nSatUsed,2) = dx(2) / rho;
770 AA(nSatUsed,3) = dx(3) / rho;
771 AA(nSatUsed,4) = 1.0;
772 }
773 }
774
775 if (nSatUsed < 4) {
776 return 0.0;
777 }
778
779 AA = AA.Rows(1, nSatUsed);
780
781 SymmetricMatrix QQ;
782 QQ << AA.t() * AA;
783 QQ = QQ.i();
784
785 return sqrt(QQ.trace());
786}
787
788// Finish the report
789////////////////////////////////////////////////////////////////////////////
790void t_reqcAnalyze::printReport(QVector<t_polarPoint*>* dataMP1,
791 QVector<t_polarPoint*>* dataMP2,
792 QVector<t_polarPoint*>* dataSNR1,
793 QVector<t_polarPoint*>* dataSNR2) {
794
795 if (!_log) {
796 return;
797 }
798
799 *_log << "Marker name: " << _obsStat._markerName << endl
800 << "Receiver: " << _obsStat._receiverType << endl
801 << "Antenna: " << _obsStat._antennaName << endl
802 << "Start time: " << _obsStat._startTime.datestr().c_str() << ' '
803 << _obsStat._startTime.timestr().c_str() << endl
804 << "End time: " << _obsStat._endTime.datestr().c_str() << ' '
805 << _obsStat._endTime.timestr().c_str() << endl
806 << "Interval: " << _obsStat._interval << endl
807 << "# Sat.: " << _obsStat._prnStat.size() << endl;
808
809 int numObs = 0;
810 int numSlipsFlagged = 0;
811 int numSlipsFound = 0;
812 QMapIterator<QString, t_prnStat> it(_obsStat._prnStat);
813 while (it.hasNext()) {
814 it.next();
815 const t_prnStat& prnStat = it.value();
816 numObs += prnStat._numObs;
817 numSlipsFlagged += prnStat._numSlipsFlagged;
818 numSlipsFound += prnStat._numSlipsFound;
819 }
820 *_log << "# Obs.: " << numObs << endl
821 << "# Slips (file): " << numSlipsFlagged << endl
822 << "# Slips (found): " << numSlipsFound << endl;
823
824 for (int kk = 1; kk <= 4; kk++) {
825 QVector<t_polarPoint*>* data = 0;
826 QString text;
827 if (kk == 1) {
828 data = dataMP1;
829 text = "Mean MP1: ";
830 }
831 else if (kk == 2) {
832 data = dataMP2;
833 text = "Mean MP2: ";
834 }
835 else if (kk == 3) {
836 data = dataSNR1;
837 text = "Mean SNR1: ";
838 }
839 else if (kk == 4) {
840 data = dataSNR2;
841 text = "Mean SNR2: ";
842 }
843 double mean = 0.0;
844 for (int ii = 0; ii < data->size(); ii++) {
845 const t_polarPoint* point = data->at(ii);
846 mean += point->_value;
847 }
848 mean /= data->size();
849 *_log << text << mean << endl;
850 }
851
852 _log->flush();
853}
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