source: ntrip/trunk/BNC/src/bncrinex.cpp@ 6137

Last change on this file since 6137 was 6137, checked in by mervart, 10 years ago
File size: 19.5 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: bncRinex
30 *
31 * Purpose: writes RINEX files
32 *
33 * Author: L. Mervart
34 *
35 * Created: 27-Aug-2006
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <stdlib.h>
42#include <iostream>
43#include <iomanip>
44#include <math.h>
45#include <sstream>
46
47#include <QtCore>
48#include <QUrl>
49#include <QString>
50
51#include "bncrinex.h"
52#include "bnccore.h"
53#include "bncutils.h"
54#include "bncconst.h"
55#include "bnctabledlg.h"
56#include "bncgetthread.h"
57#include "bncnetqueryv1.h"
58#include "bncnetqueryv2.h"
59#include "bncsettings.h"
60#include "bncversion.h"
61#include "rtcm3torinex.h"
62
63using namespace std;
64
65// Constructor
66////////////////////////////////////////////////////////////////////////////
67bncRinex::bncRinex(const QByteArray& statID, const QUrl& mountPoint,
68 const QByteArray& latitude, const QByteArray& longitude,
69 const QByteArray& nmea, const QByteArray& ntripVersion) {
70
71 _statID = statID;
72 _mountPoint = mountPoint;
73 _latitude = latitude;
74 _longitude = longitude;
75 _nmea = nmea;
76 _ntripVersion = ntripVersion;
77 _headerWritten = false;
78 _reconnectFlag = false;
79
80 bncSettings settings;
81 _rnxScriptName = settings.value("rnxScript").toString();
82 expandEnvVar(_rnxScriptName);
83
84 _pgmName = QString(BNCPGMNAME).leftJustified(20, ' ', true);
85#ifdef WIN32
86 _userName = QString("${USERNAME}");
87#else
88 _userName = QString("${USER}");
89#endif
90 expandEnvVar(_userName);
91 _userName = _userName.leftJustified(20, ' ', true);
92
93 _samplingRate = settings.value("rnxSampl").toInt();
94}
95
96// Destructor
97////////////////////////////////////////////////////////////////////////////
98bncRinex::~bncRinex() {
99 bncSettings settings;
100 if ((_header._version >= 3.0) && ( Qt::CheckState(settings.value("rnxAppend").toInt()) != Qt::Checked) ) {
101 _out << "> 4 1" << endl;
102 _out << "END OF FILE" << endl;
103 }
104 _out.close();
105}
106
107// Download Skeleton Header File
108////////////////////////////////////////////////////////////////////////////
109t_irc bncRinex::downloadSkeleton() {
110
111 t_irc irc = failure;
112
113 QStringList table;
114 bncTableDlg::getFullTable(_ntripVersion, _mountPoint.host(),
115 _mountPoint.port(), table, true);
116 QString net;
117 QStringListIterator it(table);
118 while (it.hasNext()) {
119 QString line = it.next();
120 if (line.indexOf("STR") == 0) {
121 QStringList tags = line.split(";");
122 if (tags.size() > 7) {
123 if (tags.at(1) == _mountPoint.path().mid(1).toAscii()) {
124 net = tags.at(7);
125 break;
126 }
127 }
128 }
129 }
130 QString sklDir;
131 if (!net.isEmpty()) {
132 it.toFront();
133 while (it.hasNext()) {
134 QString line = it.next();
135 if (line.indexOf("NET") == 0) {
136 QStringList tags = line.split(";");
137 if (tags.size() > 6) {
138 if (tags.at(1) == net) {
139 sklDir = tags.at(6).trimmed();
140 break;
141 }
142 }
143 }
144 }
145 }
146 if (!sklDir.isEmpty() && sklDir != "none") {
147 QUrl url(sklDir + "/" + _mountPoint.path().mid(1,4).toLower() + ".skl");
148 if (url.port() == -1) {
149 url.setPort(80);
150 }
151
152 bncNetQuery* query;
153 if (_ntripVersion == "2s") {
154 query = new bncNetQueryV2(true);
155 }
156 else if (_ntripVersion == "2") {
157 query = new bncNetQueryV2(false);
158 }
159 else {
160 query = new bncNetQueryV1;
161 }
162
163 QByteArray outData;
164 query->waitForRequestResult(url, outData);
165 if (query->status() == bncNetQuery::finished) {
166 irc = success;
167 _header._obsTypes.clear();
168 QTextStream in(outData);
169 _header.read(&in);
170 }
171
172 delete query;
173 }
174
175 return irc;
176}
177
178// Read Skeleton Header File
179////////////////////////////////////////////////////////////////////////////
180bool bncRinex::readSkeleton() {
181
182 bool readDone = false;
183
184 // Read the local file
185 // -------------------
186 QFile skl(_sklName);
187 if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
188 readDone = true;
189 _header._obsTypes.clear();
190 QTextStream in(&skl);
191 _header.read(&in);
192 }
193
194 // Read downloaded file
195 // --------------------
196 else if ( _ntripVersion != "N" && _ntripVersion != "UN" &&
197 _ntripVersion != "S" ) {
198 QDate currDate = currentDateAndTimeGPS().date();
199 if ( !_skeletonDate.isValid() || _skeletonDate != currDate ) {
200 if (downloadSkeleton() == success) {
201 readDone = true;
202 }
203 _skeletonDate = currDate;
204 }
205 }
206
207 return readDone;
208}
209
210// Next File Epoch (static)
211////////////////////////////////////////////////////////////////////////////
212QString bncRinex::nextEpochStr(const QDateTime& datTim,
213 const QString& intStr, QDateTime* nextEpoch) {
214
215 QString epoStr;
216
217 QTime nextTime;
218 QDate nextDate;
219
220 int indHlp = intStr.indexOf("min");
221
222 if ( indHlp != -1) {
223 int step = intStr.left(indHlp-1).toInt();
224 char ch = 'A' + datTim.time().hour();
225 epoStr = ch;
226 if (datTim.time().minute() >= 60-step) {
227 epoStr += QString("%1").arg(60-step, 2, 10, QChar('0'));
228 if (datTim.time().hour() < 23) {
229 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
230 nextDate = datTim.date();
231 }
232 else {
233 nextTime.setHMS(0, 0, 0);
234 nextDate = datTim.date().addDays(1);
235 }
236 }
237 else {
238 for (int limit = step; limit <= 60-step; limit += step) {
239 if (datTim.time().minute() < limit) {
240 epoStr += QString("%1").arg(limit-step, 2, 10, QChar('0'));
241 nextTime.setHMS(datTim.time().hour(), limit, 0);
242 nextDate = datTim.date();
243 break;
244 }
245 }
246 }
247 }
248 else if (intStr == "1 hour") {
249 char ch = 'A' + datTim.time().hour();
250 epoStr = ch;
251 if (datTim.time().hour() < 23) {
252 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
253 nextDate = datTim.date();
254 }
255 else {
256 nextTime.setHMS(0, 0, 0);
257 nextDate = datTim.date().addDays(1);
258 }
259 }
260 else {
261 epoStr = "0";
262 nextTime.setHMS(0, 0, 0);
263 nextDate = datTim.date().addDays(1);
264 }
265
266 if (nextEpoch) {
267 *nextEpoch = QDateTime(nextDate, nextTime);
268 }
269
270 return epoStr;
271}
272
273// File Name according to RINEX Standards
274////////////////////////////////////////////////////////////////////////////
275void bncRinex::resolveFileName(const QDateTime& datTim) {
276
277 bncSettings settings;
278 QString path = settings.value("rnxPath").toString();
279 expandEnvVar(path);
280
281 if ( path.length() > 0 && path[path.length()-1] != QDir::separator() ) {
282 path += QDir::separator();
283 }
284
285 QString hlpStr = nextEpochStr(datTim, settings.value("rnxIntr").toString(),
286 &_nextCloseEpoch);
287
288 QString ID4 = _statID.left(4);
289
290 // Check name conflict
291 // -------------------
292 QString distStr;
293 int num = 0;
294 QListIterator<QString> it(settings.value("mountPoints").toStringList());
295 while (it.hasNext()) {
296 QString mp = it.next();
297 if (mp.indexOf(ID4) != -1) {
298 ++num;
299 }
300 }
301 if (num > 1) {
302 distStr = "_" + _statID.mid(4);
303 }
304
305 QString sklExt = settings.value("rnxSkel").toString();
306 if (!sklExt.isEmpty()) {
307 _sklName = path + ID4 + distStr + "." + sklExt;
308 }
309
310 path += ID4 +
311 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
312 hlpStr + distStr + datTim.toString(".yyO");
313
314 _fName = path.toAscii();
315}
316
317// Write RINEX Header
318////////////////////////////////////////////////////////////////////////////
319void bncRinex::writeHeader(const QByteArray& format,
320 const QDateTime& datTimNom) {
321
322 bncSettings settings;
323
324 // Open the Output File
325 // --------------------
326 resolveFileName(datTimNom);
327
328 // Append to existing file and return
329 // ----------------------------------
330 if ( QFile::exists(_fName) &&
331 (_reconnectFlag || Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) ) {
332 _out.open(_fName.data(), ios::app);
333 _out.setf(ios::showpoint | ios::fixed);
334 _headerWritten = true;
335 _reconnectFlag = false;
336 }
337 else {
338 _out.open(_fName.data());
339 }
340
341 _out.setf(ios::showpoint | ios::fixed);
342
343 // Read Skeleton Header
344 // --------------------
345 bool skelRead = readSkeleton();
346
347 // Set RINEX Version
348 // -----------------
349 if ( Qt::CheckState(settings.value("rnxV3").toInt()) == Qt::Checked) {
350 _header._version = t_rnxObsHeader::defaultRnxObsVersion3;
351 }
352 else {
353 _header._version = t_rnxObsHeader::defaultRnxObsVersion2;
354 }
355
356 // A Few Additional Comments
357 // -------------------------
358 if (skelRead || _addComments.size() == 0) {
359 _addComments.clear();
360 _addComments << format.left(6) + " "
361 + _mountPoint.host() + _mountPoint.path();
362 if (_header._obsTypes.size() == 0) {
363 _addComments << "Default set of observation types used";
364 }
365 if (_nmea == "yes") {
366 _addComments << "NMEA LAT=" + _latitude + " " + "LONG=" + _longitude;
367 }
368 }
369
370 // Set Marker Name
371 // ---------------
372 if (_header._markerName.isEmpty()) {
373 _header._markerName = _statID;
374 }
375
376 // Set Default Observation Types
377 // -----------------------------
378 if (_header._obsTypes.size() == 0) {
379 if (_header._version < 3.0) {
380 _header._obsTypes['G'] << "C1" << "P1" << "L1" << "S1"
381 << "C2" << "P2" << "L2" << "S2";
382 _header._obsTypes['R'] = _header._obsTypes['G'];
383 _header._obsTypes['E'] = _header._obsTypes['G'];
384 _header._obsTypes['J'] = _header._obsTypes['G'];
385 _header._obsTypes['S'] = _header._obsTypes['G'];
386 _header._obsTypes['C'] = _header._obsTypes['G'];
387 }
388 else {
389 _header._obsTypes['G'] << "C1C" << "L1C" << "D1C" << "S1C"
390 << "C1P" << "L1P" << "D1P" << "S1P"
391 << "C2C" << "L2C" << "D2C" << "S2C"
392 << "C2P" << "L2P" << "D2P" << "S2P"
393 << "C5" << "D5" << "L5" << "S5";
394
395 _header._obsTypes['R'] << "C1C" << "L1C" << "D1C" << "S1C"
396 << "C1P" << "L1P" << "D1P" << "S1P"
397 << "C2C" << "L2C" << "D2C" << "S2C"
398 << "C2P" << "L2P" << "D2P" << "S2P";
399
400 _header._obsTypes['E'] << "C1" << "L1" << "D1" << "S1"
401 << "C5" << "L5" << "D5" << "S5"
402 << "C6" << "L6" << "D6" << "S6"
403 << "C7" << "L7" << "D7" << "S7"
404 << "C8" << "L8" << "D8" << "S8";
405
406 _header._obsTypes['J'] << "C1" << "L1" << "D1" << "S1"
407 << "C2" << "L2" << "D2" << "S2"
408 << "C5" << "L5" << "D5" << "S5"
409 << "C6" << "D6" << "L6" << "S6";
410
411 _header._obsTypes['S'] << "C1" << "L1" << "D1" << "S1"
412 << "C5" << "L5" << "D5" << "S5";
413
414 _header._obsTypes['C'] << "C1" << "L1" << "D1" << "S1"
415 << "C6" << "L6" << "D6" << "S6"
416 << "C7" << "L7" << "D7" << "S7";
417 }
418 }
419
420 // Write the Header
421 // ----------------
422 QByteArray headerLines;
423 QTextStream outHlp(&headerLines);
424
425 QMap<QString, QString> txtMap;
426 txtMap["COMMENT"] = _addComments.join("\\n");
427
428 _header.write(&outHlp, &txtMap);
429
430 outHlp.flush();
431
432 if (!_headerWritten) {
433 _out << headerLines.data();
434 }
435
436 _headerWritten = true;
437}
438
439// Stores Observation into Internal Array
440////////////////////////////////////////////////////////////////////////////
441void bncRinex::deepCopy(t_satObs obs) {
442 _obs.push_back(obs);
443}
444
445// Write One Epoch into the RINEX File
446////////////////////////////////////////////////////////////////////////////
447void bncRinex::dumpEpoch(const QByteArray& format, long maxTime) {
448
449 // Select observations older than maxTime
450 // --------------------------------------
451 QList<t_satObs> dumpList;
452 QMutableListIterator<t_satObs> mIt(_obs);
453 while (mIt.hasNext()) {
454 t_satObs obs = mIt.next();
455 if (obs._time.gpsw() * 7*24*3600 + obs._time.gpssec() < maxTime - 0.05) {
456 dumpList.push_back(obs);
457 mIt.remove();
458 }
459 }
460
461 // Easy Return
462 // -----------
463 if (dumpList.isEmpty()) {
464 return;
465 }
466
467 // Time of Epoch
468 // -------------
469 const t_satObs& fObs = dumpList.first();
470 QDateTime datTim = dateAndTimeFromGPSweek(fObs._time.gpsw(), fObs._time.gpssec());
471 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs._time.gpsw(),
472 floor(fObs._time.gpssec()+0.5));
473
474 // Close the file
475 // --------------
476 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
477 closeFile();
478 _headerWritten = false;
479 }
480
481 // Write RINEX Header
482 // ------------------
483 if (!_headerWritten) {
484 _header._startTime.set(fObs._time.gpsw(), fObs._time.gpssec());
485 writeHeader(format, datTimNom);
486 }
487
488 // Check whether observation types available
489 // -----------------------------------------
490 QMutableListIterator<t_satObs> mItDump(dumpList);
491 while (mItDump.hasNext()) {
492 t_satObs& obs = mItDump.next();
493 if (!_header._obsTypes.contains(obs._prn.system()) && !_header._obsTypes.contains(obs._prn.system())) {
494 mItDump.remove();
495 }
496 }
497 if (dumpList.isEmpty()) {
498 return;
499 }
500
501 double sec = double(datTim.time().second()) + fmod(fObs._time.gpssec(),1.0);
502
503 // Epoch header line: RINEX Version 3
504 // ----------------------------------
505 if (_header._version >= 3.0) {
506 _out << datTim.toString("> yyyy MM dd hh mm ").toAscii().data()
507 << setw(10) << setprecision(7) << sec
508 << " " << 0 << setw(3) << dumpList.size() << endl;
509 }
510 // Epoch header line: RINEX Version 2
511 // ----------------------------------
512 else {
513 _out << datTim.toString(" yy MM dd hh mm ").toAscii().data()
514 << setw(10) << setprecision(7) << sec
515 << " " << 0 << setw(3) << dumpList.size();
516
517 QListIterator<t_satObs> it(dumpList); int iSat = 0;
518 while (it.hasNext()) {
519 iSat++;
520 const t_satObs& obs = it.next();
521 _out << obs._prn;
522 if (iSat == 12 && it.hasNext()) {
523 _out << endl << " ";
524 iSat = 0;
525 }
526 }
527 _out << endl;
528 }
529
530 QListIterator<t_satObs> it(dumpList);
531 while (it.hasNext()) {
532 const t_satObs& obs = it.next();
533
534 // Cycle slips detection
535 // ---------------------
536 QString prn(obs._prn.toString().c_str());
537 char lli1 = ' ';
538 char lli2 = ' ';
539 char lli5 = ' ';
540 char* lli = 0;
541
542 for (unsigned iFrq = 0; iFrq < obs._obs.size(); iFrq++) {
543 const t_frqObs* frqObs = obs._obs[iFrq];
544 QMap<QString, int>* slip_cnt = 0;
545 if (frqObs->_rnxType2ch[0] == '1') {
546 slip_cnt = &_slip_cnt_L1;
547 lli = &lli1;
548 }
549 else if (frqObs->_rnxType2ch[0] == '2') {
550 slip_cnt = &_slip_cnt_L2;
551 lli = &lli2;
552 }
553 else if (frqObs->_rnxType2ch[0] == '5') {
554 slip_cnt = &_slip_cnt_L5;
555 lli = &lli5;
556 }
557 else {
558 continue;
559 }
560 if (frqObs->_slip) {
561 if ( slip_cnt->find(prn) != slip_cnt->end() &&
562 slip_cnt->find(prn).value() != frqObs->_slipCounter ) {
563 *lli = '1';
564 }
565 }
566 (*slip_cnt)[prn] = frqObs->_slipCounter;
567 }
568
569 // Write the data
570 // --------------
571 _out << rinexSatLine(obs, lli1, lli2, lli5) << endl;
572 }
573
574 _out.flush();
575}
576
577// Close the Old RINEX File
578////////////////////////////////////////////////////////////////////////////
579void bncRinex::closeFile() {
580 if (_header._version == 3) {
581 _out << "> 4 1" << endl;
582 _out << "END OF FILE" << endl;
583 }
584 _out.close();
585 if (!_rnxScriptName.isEmpty()) {
586 qApp->thread()->wait(100);
587#ifdef WIN32
588 QProcess::startDetached(_rnxScriptName, QStringList() << _fName) ;
589#else
590 QProcess::startDetached("nohup", QStringList() << _rnxScriptName << _fName) ;
591#endif
592
593 }
594}
595
596// One Line in RINEX v2 or v3
597////////////////////////////////////////////////////////////////////////////
598string bncRinex::rinexSatLine(const t_satObs& obs, char lli1, char lli2, char lli5) {
599 ostringstream str;
600//// str.setf(ios::showpoint | ios::fixed);
601////
602//// if (_header._version >= 3.0) {
603//// str << obs._prn;
604//// }
605////
606//// const QVector<QString>& types = _header._obsTypes[obs._prn.system()];
607//// for (int ii = 0; ii < types.size(); ii++) {
608//// if (_header._version < 3.0 && ii > 0 && ii % 5 == 0) {
609//// str << endl;
610//// }
611//// for (unsigned iFrq = 0; iFrq < obs._obs.size(); iFrq++) {
612//// const t_frqObs* frqObs = obs._obs[iFrq];
613////
614////
615//// double value = obs.measdata(types[ii], _header._version);
616//// str << setw(14) << setprecision(3) << value;
617//// if (value != 0.0 && types[ii].indexOf("L1") == 0) {
618//// str << lli1 << ' ';
619//// }
620//// else if (value != 0.0 && types[ii].indexOf("L2") == 0) {
621//// str << lli2 << ' ';
622//// }
623//// else if (value != 0.0 && types[ii].indexOf("L5") == 0) {
624//// str << lli5 << ' ';
625//// }
626//// else {
627//// str << " ";
628//// }
629//// }
630
631 return str.str();
632}
633
634//
635////////////////////////////////////////////////////////////////////////////
636string bncRinex::obsToStr(double val, int width, int precision) {
637 if (val != 0.0) {
638 ostringstream str;
639 str.setf(ios::showpoint | ios::fixed);
640 str << setw(width) << setprecision(precision) << val;
641 return str.str();
642 }
643 else {
644 return "0.0";
645 }
646}
647
648// One Line in ASCII (Internal) Format
649////////////////////////////////////////////////////////////////////////////
650string bncRinex::asciiSatLine(const t_satObs& obs) {
651
652 ostringstream str;
653//// str.setf(ios::showpoint | ios::fixed);
654////
655//// str << obs._prn << ' ';
656////
657//// float rnxVers = 3.0;
658////
659//// for (int ie = 0; ie < GNSSENTRY_NUMBER; ie++) {
660//// QString rnxStr = obs.rnxStr(ie);
661//// if (rnxStr.length() >= 2) {
662//// double data = obs.measdata(rnxStr, rnxVers);
663//// if (data != 0.0) {
664//// int width = (rnxStr[0] == 'S') ? 8 : 14;
665//// int prec = 3;
666//// str << ' ' << rnxStr.toAscii().data()
667//// << ' ' << obsToStr(data, width, prec);
668//// if (rnxStr[0] == 'L') {
669//// int slipCnt = 0;
670//// if (rnxStr[1] == '1') {
671//// slipCnt = obs.slip_cnt_L1;
672//// }
673//// else if (rnxStr[1] == '2') {
674//// slipCnt = obs.slip_cnt_L2;
675//// }
676//// else if (rnxStr[1] == '5') {
677//// slipCnt = obs.slip_cnt_L5;
678//// }
679//// str << ' ' << setw(3) << slipCnt;
680//// }
681//// }
682//// }
683//// }
684
685 return str.str();
686}
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