source: ntrip/trunk/BNC/bncrinex.cpp@ 280

Last change on this file since 280 was 280, checked in by mervart, 17 years ago

* empty log message *
File size: 12.4 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters,
3// written by Leos Mervart.
4//
5// Copyright (C) 2006
6// German Federal Agency for Cartography and Geodesy (BKG)
7// http://www.bkg.bund.de
8// Czech Technical University Prague, Department of Advanced Geodesy
9// http://www.fsv.cvut.cz
10//
11// Email: euref-ip@bkg.bund.de
12//
13// This program is free software; you can redistribute it and/or
14// modify it under the terms of the GNU General Public License
15// as published by the Free Software Foundation, version 2.
16//
17// This program is distributed in the hope that it will be useful,
18// but WITHOUT ANY WARRANTY; without even the implied warranty of
19// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20// GNU General Public License for more details.
21//
22// You should have received a copy of the GNU General Public License
23// along with this program; if not, write to the Free Software
24// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25
26/* -------------------------------------------------------------------------
27 * BKG NTRIP Client
28 * -------------------------------------------------------------------------
29 *
30 * Class: bncRinex
31 *
32 * Purpose: writes RINEX files
33 *
34 * Author: L. Mervart
35 *
36 * Created: 27-Aug-2006
37 *
38 * Changes:
39 *
40 * -----------------------------------------------------------------------*/
41
42#include <QSettings>
43#include <QDir>
44#include <QUrl>
45#include <QDate>
46#include <QFile>
47#include <QTextStream>
48#include <iomanip>
49#include <math.h>
50
51#include "bncrinex.h"
52#include "bncapp.h"
53#include "bncutils.h"
54#include "bncconst.h"
55#include "RTCM3/rtcm3torinex.h"
56
57using namespace std;
58
59// Constructor
60////////////////////////////////////////////////////////////////////////////
61bncRinex::bncRinex(const char* StatID, const QUrl& mountPoint) {
62 _statID = StatID;
63 _mountPoint = mountPoint;
64 _headerWritten = false;
65
66 QSettings settings;
67 _rnxScriptName = settings.value("rnxScript").toString();
68 expandEnvVar(_rnxScriptName);
69
70 _pgmName = ((bncApp*)qApp)->bncVersion().leftJustified(20, ' ', true);
71 _userName = QString("${USER}");
72 expandEnvVar(_userName);
73 _userName = _userName.leftJustified(20, ' ', true);
74}
75
76// Destructor
77////////////////////////////////////////////////////////////////////////////
78bncRinex::~bncRinex() {
79 _out.close();
80}
81
82// Read Skeleton Header File
83////////////////////////////////////////////////////////////////////////////
84void bncRinex::readSkeleton() {
85
86 _headerLines.clear();
87
88 // Read the File
89 // -------------
90 QFile skl(_sklName);
91 if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
92 QTextStream in(&skl);
93 while ( !in.atEnd() ) {
94 _headerLines.append( in.readLine() );
95 if (_headerLines.last().indexOf("END OF HEADER") != -1) {
96 break;
97 }
98 }
99 }
100}
101
102// File Name according to RINEX Standards
103////////////////////////////////////////////////////////////////////////////
104void bncRinex::resolveFileName(const QDateTime& datTim) {
105
106 QSettings settings;
107 QString path = settings.value("rnxPath").toString();
108 expandEnvVar(path);
109
110 if ( path[path.length()-1] != QDir::separator() ) {
111 path += QDir::separator();
112 }
113
114 QString intStr = settings.value("rnxIntr").toString();
115 QString hlpStr;
116
117 QTime nextTime;
118 QDate nextDate;
119
120 int indHlp = intStr.indexOf("min");
121
122 if ( indHlp != -1) {
123 int step = intStr.left(indHlp-1).toInt();
124 char ch = 'A' + datTim.time().hour();
125 hlpStr = ch;
126 if (datTim.time().minute() >= 60-step) {
127 hlpStr += QString("%1").arg(60-step, 2, 10, QChar('0'));
128 if (datTim.time().hour() < 23) {
129 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
130 nextDate = datTim.date();
131 }
132 else {
133 nextTime.setHMS(0, 0, 0);
134 nextDate = datTim.date().addDays(1);
135 }
136 }
137 else {
138 for (int limit = step; limit <= 60-step; limit += step) {
139 if (datTim.time().minute() < limit) {
140 hlpStr += QString("%1").arg(limit-step, 2, 10, QChar('0'));
141 nextTime.setHMS(datTim.time().hour(), limit, 0);
142 nextDate = datTim.date();
143 break;
144 }
145 }
146 }
147 }
148 else if (intStr == "1 hour") {
149 char ch = 'A' + datTim.time().hour();
150 hlpStr = ch;
151 if (datTim.time().hour() < 23) {
152 nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
153 nextDate = datTim.date();
154 }
155 else {
156 nextTime.setHMS(0, 0, 0);
157 nextDate = datTim.date().addDays(1);
158 }
159 }
160 else {
161 hlpStr = "0";
162 nextTime.setHMS(0, 0, 0);
163 nextDate = datTim.date().addDays(1);
164 }
165 _nextCloseEpoch = QDateTime(nextDate, nextTime);
166
167 QString ID4 = _statID.left(4);
168
169 // Check name conflict
170 // -------------------
171 QString distStr;
172 int num = 0;
173 QListIterator<QString> it(settings.value("mountPoints").toStringList());
174 while (it.hasNext()) {
175 QString mp = it.next();
176 if (mp.indexOf(ID4) != -1) {
177 ++num;
178 }
179 }
180 if (num > 1) {
181 distStr = "_" + _statID.mid(4);
182 }
183
184 QString sklExt = settings.value("rnxSkel").toString();
185 if (!sklExt.isEmpty()) {
186 _sklName = path + ID4 + distStr + "." + sklExt;
187 }
188
189 path += ID4 +
190 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
191 hlpStr + distStr + datTim.toString(".yyO");
192
193 _fName = path.toAscii();
194}
195
196// Write RINEX Header
197////////////////////////////////////////////////////////////////////////////
198void bncRinex::writeHeader(const QDateTime& datTim,
199 const QDateTime& datTimNom) {
200
201 // Open the Output File
202 // --------------------
203 resolveFileName(datTimNom);
204
205 // Append to existing file and return
206 // ----------------------------------
207 if ( QFile::exists(_fName) ) {
208 QSettings settings;
209 if ( Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) {
210 _out.open(_fName.data(), ios::app);
211 _out.setf(ios::showpoint | ios::fixed);
212 _headerWritten = true;
213 return;
214 }
215 }
216
217 _out.open(_fName.data());
218 _out.setf(ios::showpoint | ios::fixed);
219
220 // Copy Skeleton Header
221 // --------------------
222 readSkeleton();
223 if (_headerLines.size() > 0) {
224 QStringListIterator it(_headerLines);
225 while (it.hasNext()) {
226 QString line = it.next();
227 if (line.indexOf("PGM / RUN BY / DATE") != -1) {
228 QString hlp = QDate::currentDate().toString("dd-MMM-yyyy").leftJustified(20, ' ', true);
229 _out << _pgmName.toAscii().data() << _userName.toAscii().data()
230 << hlp.toAscii().data() << "PGM / RUN BY / DATE" << endl;
231 }
232 else if (line.indexOf("# / TYPES OF OBSERV") != -1) {
233 _out << " 5 C1 P1 P2 L1 L2"
234 " # / TYPES OF OBSERV" << endl;
235 }
236 else if (line.indexOf("TIME OF FIRST OBS") != -1) {
237 _out << datTim.toString(" yyyy MM dd"
238 " hh mm ss.zzz0000").toAscii().data();
239 _out << " TIME OF FIRST OBS" << endl;
240 QString hlp = QString("STREAM %1").arg(_mountPoint.host() + _mountPoint.path())
241 .leftJustified(60, ' ', true);
242 _out << hlp.toAscii().data() << "COMMENT" << endl;
243 }
244 else {
245 _out << line.toAscii().data() << endl;
246 }
247 }
248 }
249
250 // Write Dummy Header
251 // ------------------
252 else {
253 double approxPos[3]; approxPos[0] = approxPos[1] = approxPos[2] = 0.0;
254 double antennaNEU[3]; antennaNEU[0] = antennaNEU[1] = antennaNEU[2] = 0.0;
255
256 _out << " 2.10 OBSERVATION DATA M (MIXED) RINEX VERSION / TYPE" << endl;
257 QString hlp = QDate::currentDate().toString("dd-MMM-yyyy").leftJustified(20, ' ', true);
258 _out << _pgmName.toAscii().data() << _userName.toAscii().data()
259 << hlp.toAscii().data() << "PGM / RUN BY / DATE" << endl;
260 _out.setf(ios::left);
261 _out << setw(60) << _statID.data() << "MARKER NAME" << endl;
262 _out << setw(60) << "BKG" << "OBSERVER / AGENCY" << endl;
263 _out << setw(20) << "unknown"
264 << setw(20) << "unknown"
265 << setw(20) << "unknown" << "REC # / TYPE / VERS" << endl;
266 _out << setw(20) << "unknown"
267 << setw(20) << "unknown"
268 << setw(20) << " " << "ANT # / TYPE" << endl;
269 _out.unsetf(ios::left);
270 _out << setw(14) << setprecision(4) << approxPos[0]
271 << setw(14) << setprecision(4) << approxPos[1]
272 << setw(14) << setprecision(4) << approxPos[2]
273 << " " << "APPROX POSITION XYZ" << endl;
274 _out << setw(14) << setprecision(4) << antennaNEU[0]
275 << setw(14) << setprecision(4) << antennaNEU[1]
276 << setw(14) << setprecision(4) << antennaNEU[2]
277 << " " << "ANTENNA: DELTA H/E/N" << endl;
278 _out << " 1 1 WAVELENGTH FACT L1/2" << endl;
279 _out << " 5 C1 P1 P2 L1 L2 # / TYPES OF OBSERV" << endl;
280 _out << datTim.toString(" yyyy MM dd"
281 " hh mm ss.zzz0000").toAscii().data();
282 _out << " " << "TIME OF FIRST OBS" << endl;
283 hlp = QString("STREAM %1").arg(_mountPoint.host() + _mountPoint.path())
284 .leftJustified(60, ' ', true);
285 _out << hlp.toAscii().data() << "COMMENT" << endl;
286 _out << " END OF HEADER" << endl;
287 }
288
289 _headerWritten = true;
290}
291
292// Stores Observation into Internal Array
293////////////////////////////////////////////////////////////////////////////
294void bncRinex::deepCopy(const Observation* obs) {
295 Observation* newObs = new Observation();
296 memcpy(newObs, obs, sizeof(*obs));
297 _obs.push_back(newObs);
298}
299
300// Write One Epoch into the RINEX File
301////////////////////////////////////////////////////////////////////////////
302void bncRinex::dumpEpoch(long maxTime) {
303
304 // Select observations older than maxTime
305 // --------------------------------------
306 QList<Observation*> dumpList;
307 QMutableListIterator<Observation*> mIt(_obs);
308 while (mIt.hasNext()) {
309 Observation* ob = mIt.next();
310 if (ob->GPSWeek * 7*24*3600 + ob->GPSWeeks < maxTime - 0.05) {
311 dumpList.push_back(ob);
312 mIt.remove();
313 }
314 }
315
316 // Easy Return
317 // -----------
318 if (dumpList.isEmpty()) {
319 return;
320 }
321
322 // Time of Epoch
323 // -------------
324 Observation* fObs = *dumpList.begin();
325 QDateTime datTim = dateAndTimeFromGPSweek(fObs->GPSWeek, fObs->GPSWeeks);
326 QDateTime datTimNom = dateAndTimeFromGPSweek(fObs->GPSWeek,
327 floor(fObs->GPSWeeks+0.5));
328
329 // Close the file
330 // --------------
331 if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
332 closeFile();
333 _headerWritten = false;
334 }
335
336 // Write RINEX Header
337 // ------------------
338 if (!_headerWritten) {
339 writeHeader(datTim, datTimNom);
340 }
341
342 _out << datTim.toString(" yy MM dd hh mm ss.zzz0000").toAscii().data()
343 << " " << 0 << setw(3) << dumpList.size();
344
345 QListIterator<Observation*> it(dumpList); int iSat = 0;
346 while (it.hasNext()) {
347 iSat++;
348 Observation* ob = it.next();
349 int prn = ob->SVPRN;
350 if (prn <= PRN_GPS_END) {
351 _out << "G" << setw(2) << prn;
352 }
353 else if (prn >= PRN_GLONASS_START && prn <= PRN_GLONASS_END) {
354 _out << "R" << setw(2) << prn - PRN_GLONASS_START + 1;
355 }
356 else {
357 _out << "R" << setw(2) << prn % 100;
358 }
359 if (iSat == 12 && it.hasNext()) {
360 _out << endl << " ";
361 iSat = 0;
362 }
363 }
364 _out << endl;
365
366 it.toFront();
367 while (it.hasNext()) {
368 Observation* ob = it.next();
369
370 char lli = ' ';
371 char snr = ' ';
372 _out << setw(14) << setprecision(3) << ob->C1 << lli << snr;
373 _out << setw(14) << setprecision(3) << ob->P1 << lli << snr;
374 _out << setw(14) << setprecision(3) << ob->P2 << lli << snr;
375 _out << setw(14) << setprecision(3) << ob->L1 << lli << snr;
376 _out << setw(14) << setprecision(3) << ob->L2 << lli << snr;
377 _out << endl;
378
379 delete ob;
380 }
381
382 _out.flush();
383}
384
385// Close the Old RINEX File
386////////////////////////////////////////////////////////////////////////////
387void bncRinex::closeFile() {
388 _out.close();
389 if (!_rnxScriptName.isEmpty()) {
390 _rnxScript.start(_rnxScriptName, QStringList() << _fName);
391 }
392}
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