source: ntrip/trunk/BNC/src/ephemeris.cpp@ 10589

Last change on this file since 10589 was 10587, checked in by stuerze, 3 months ago

RINEX version 4.02 updates

File size: 86.0 KB
RevLine 
[1025]1#include <sstream>
[2234]2#include <iostream>
[1025]3#include <iomanip>
[1239]4#include <cstring>
[1025]5
[2234]6#include <newmatio.h>
7
[1025]8#include "ephemeris.h"
[2221]9#include "bncutils.h"
[2285]10#include "bnctime.h"
[5070]11#include "bnccore.h"
[5839]12#include "bncutils.h"
[6141]13#include "satObs.h"
[6044]14#include "pppInclude.h"
[6400]15#include "pppModel.h"
[10533]16#include "RTCM3/bits.h"
[1025]17
18using namespace std;
19
[5749]20// Constructor
21////////////////////////////////////////////////////////////////////////////
22t_eph::t_eph() {
[6518]23 _checkState = unchecked;
[10587]24 _type = undefined;
[10577]25 _orbCorr = 0;
26 _clkCorr = 0;
[5749]27}
[7278]28// Destructor
29////////////////////////////////////////////////////////////////////////////
30t_eph::~t_eph() {
31 if (_orbCorr)
32 delete _orbCorr;
33 if (_clkCorr)
34 delete _clkCorr;
35}
[5749]36
[7481]37//
[5749]38////////////////////////////////////////////////////////////////////////////
[10577]39void t_eph::setOrbCorr(const t_orbCorr *orbCorr) {
[7888]40 if (_orbCorr) {
41 delete _orbCorr;
42 _orbCorr = 0;
43 }
[6141]44 _orbCorr = new t_orbCorr(*orbCorr);
[5749]45}
46
[7481]47//
[5749]48////////////////////////////////////////////////////////////////////////////
[10577]49void t_eph::setClkCorr(const t_clkCorr *clkCorr) {
[7888]50 if (_clkCorr) {
51 delete _clkCorr;
52 _clkCorr = 0;
53 }
[6141]54 _clkCorr = new t_clkCorr(*clkCorr);
[5749]55}
56
[7481]57//
[5749]58////////////////////////////////////////////////////////////////////////////
[10577]59t_irc t_eph::getCrd(const bncTime &tt, ColumnVector &xc, ColumnVector &vv,
60 bool useCorr) const {
[6518]61
[10577]62 if (_checkState == bad || _checkState == unhealthy
63 || _checkState == outdated) {
[6518]64 return failure;
65 }
[8903]66
[8542]67 xc.ReSize(6);
[5749]68 vv.ReSize(3);
[6213]69 if (position(tt.gpsw(), tt.gpssec(), xc.data(), vv.data()) != success) {
70 return failure;
71 }
[5789]72 if (useCorr) {
[5839]73 if (_orbCorr && _clkCorr) {
[5849]74 double dtO = tt - _orbCorr->_time;
[6556]75 if (_orbCorr->_updateInt) {
[8903]76 dtO -= (0.5 * ssrUpdateInt[_orbCorr->_updateInt]);
[6556]77 }
[5839]78 ColumnVector dx(3);
[5849]79 dx[0] = _orbCorr->_xr[0] + _orbCorr->_dotXr[0] * dtO;
80 dx[1] = _orbCorr->_xr[1] + _orbCorr->_dotXr[1] * dtO;
81 dx[2] = _orbCorr->_xr[2] + _orbCorr->_dotXr[2] * dtO;
82
[10577]83 RSW_to_XYZ(xc.Rows(1, 3), vv.Rows(1, 3), dx, dx);
[5849]84
[5839]85 xc[0] -= dx[0];
86 xc[1] -= dx[1];
87 xc[2] -= dx[2];
[5849]88
[7133]89 ColumnVector dv(3);
[10577]90 RSW_to_XYZ(xc.Rows(1, 3), vv.Rows(1, 3), _orbCorr->_dotXr, dv);
[7133]91
92 vv[0] -= dv[0];
93 vv[1] -= dv[1];
94 vv[2] -= dv[2];
95
[5849]96 double dtC = tt - _clkCorr->_time;
[6556]97 if (_clkCorr->_updateInt) {
[8903]98 dtC -= (0.5 * ssrUpdateInt[_clkCorr->_updateInt]);
[6556]99 }
[10577]100 xc[3] += _clkCorr->_dClk + _clkCorr->_dotDClk * dtC
101 + _clkCorr->_dotDotDClk * dtC * dtC;
102 } else {
[5839]103 return failure;
104 }
[5749]105 }
106 return success;
107}
108
[6801]109//
110//////////////////////////////////////////////////////////////////////////////
[10587]111void t_eph::setType(QString typeStr) {
[10575]112
[10587]113 if (typeStr == "LNAV") {
114 _type = t_eph::LNAV;
115 } else if (typeStr == "FDMA") {
116 _type = t_eph::FDMA;
117 } else if (typeStr == "FNAV") {
118 _type = t_eph::FNAV;
119 } else if (typeStr == "INAV") {
120 _type = t_eph::INAV;
121 } else if (typeStr == "D1") {
122 _type = t_eph::D1;
123 } else if (typeStr == "D2") {
124 _type = t_eph::D2;
125 } else if (typeStr == "SBAS") {
126 _type = t_eph::SBASL1;
127 } else if (typeStr == "CNAV") {
128 _type = t_eph::CNAV;
129 } else if (typeStr == "CNV1") {
130 _type = t_eph::CNV1;
131 } else if (typeStr == "CNV2") {
132 _type = t_eph::CNV2;
133 } else if (typeStr == "CNV3") {
134 _type = t_eph::CNV3;
135 } else if (typeStr == "L1NV") {
136 _type = t_eph::L1NV;
137 } else if (typeStr == "L1OC") {
138 _type = t_eph::L1OC;
139 } else if (typeStr == "L3OC") {
140 _type = t_eph::L3OC;
[10577]141 } else {
[10587]142 _type = t_eph::undefined;
[10317]143 }
[9765]144
145}
146
147//
148//////////////////////////////////////////////////////////////////////////////
[10587]149QString t_eph::typeStr(e_type type, const t_prn &prn, double version) {
150 QString typeStr = "";
[10577]151 QString epochStart;
152 QString eolStr;
[9765]153
[10577]154 if (version < 4.0) {
[10587]155 return typeStr;
[10577]156 }
[9765]157
[10587]158 if (version == 99.0) { // log output for OUTDATED, WRONG or UNHEALTHY satellites
[10577]159 epochStart = "";
160 eolStr = "";
161 } else {
162 epochStart = "> ";
163 eolStr = "\n";
164 }
[9765]165
[10577]166 QString ephStr = QString("EPH %1 ").arg(prn.toString().c_str());
[10587]167 switch (type) {
[10577]168 case undefined:
[10587]169 typeStr = epochStart + ephStr + "unknown" + eolStr;
[10577]170 break;
171 case LNAV:
[10587]172 typeStr = epochStart + ephStr + "LNAV" + eolStr;
[10577]173 break;
174 case FDMA:
[10587]175 typeStr = epochStart + ephStr + "FDMA" + eolStr;
[10577]176 break;
177 case FNAV:
[10587]178 typeStr = epochStart + ephStr + "FNAV" + eolStr;
[10577]179 break;
[10587]180 case INAV:
181 typeStr = epochStart + ephStr + "INAV" + eolStr;
[10577]182 break;
183 case D1:
[10587]184 typeStr = epochStart + ephStr + "D1 " + eolStr;
[10577]185 break;
186 case D2:
[10587]187 typeStr = epochStart + ephStr + "D2 " + eolStr;
[10577]188 break;
189 case SBASL1:
[10587]190 typeStr = epochStart + ephStr + "SBAS" + eolStr;
[10577]191 break;
192 case CNAV:
[10587]193 typeStr = epochStart + ephStr + "CNAV" + eolStr;
[10577]194 break;
195 case CNV1:
[10587]196 typeStr = epochStart + ephStr + "CNV1" + eolStr;
[10577]197 break;
198 case CNV2:
[10587]199 typeStr = epochStart + ephStr + "CNV2" + eolStr;
[10577]200 break;
201 case CNV3:
[10587]202 typeStr = epochStart + ephStr + "CNV3" + eolStr;
[10577]203 break;
204 case L1NV:
[10587]205 typeStr = epochStart + ephStr + "L1NV" + eolStr;
[10577]206 break;
207 case L1OC:
[10587]208 typeStr = epochStart + ephStr + "L1OC" + eolStr;
[10577]209 break;
210 case L3OC:
[10587]211 typeStr = epochStart + ephStr + "L3OC" + eolStr;
[10577]212 break;
[9765]213 }
[10587]214 return typeStr;
[10577]215}
[9765]216
217//
218//////////////////////////////////////////////////////////////////////////////
[10577]219QString t_eph::rinexDateStr(const bncTime &tt, const t_prn &prn,
220 double version) {
[6801]221 QString prnStr(prn.toString().c_str());
222 return rinexDateStr(tt, prnStr, version);
223}
224
225//
226//////////////////////////////////////////////////////////////////////////////
[10577]227QString t_eph::rinexDateStr(const bncTime &tt, const QString &prnStr,
228 double version) {
[6801]229
230 QString datStr;
231
232 unsigned year, month, day, hour, min;
[10577]233 double sec;
[6801]234 tt.civil_date(year, month, day);
235 tt.civil_time(hour, min, sec);
236
237 QTextStream out(&datStr);
238
239 if (version < 3.0) {
[10577]240 QString prnHlp = prnStr.mid(1, 2);
241 if (prnHlp[0] == '0')
242 prnHlp[0] = ' ';
243 out << prnHlp
244 << QString(" %1 %2 %3 %4 %5%6").arg(year % 100, 2, 10, QChar('0')).arg(
245 month, 2).arg(day, 2).arg(hour, 2).arg(min, 2).arg(sec, 5, 'f', 1);
[10587]246 }
247 else if (version == 99) {
[10577]248 out
249 << QString(" %1 %2 %3 %4 %5 %6").arg(year, 4).arg(month, 2, 10,
250 QChar('0')).arg(day, 2, 10, QChar('0')).arg(hour, 2, 10, QChar('0')).arg(
251 min, 2, 10, QChar('0')).arg(int(sec), 2, 10, QChar('0'));
[10587]252 }
253 else {
[10577]254 out << prnStr
255 << QString(" %1 %2 %3 %4 %5 %6").arg(year, 4).arg(month, 2, 10,
256 QChar('0')).arg(day, 2, 10, QChar('0')).arg(hour, 2, 10, QChar('0')).arg(
257 min, 2, 10, QChar('0')).arg(int(sec), 2, 10, QChar('0'));
[6801]258 }
259
260 return datStr;
261}
262
263// Constructor
264//////////////////////////////////////////////////////////////////////////////
[10577]265t_ephGPS::t_ephGPS(double rnxVersion, const QStringList &lines) {
[6801]266
[10587]267 int nLines = 8; // LNAV
[6801]268
[10587]269 // Source RINEX version < 4
270 if (type() == t_eph::undefined) {
271 _type = t_eph::LNAV;
272 }
273
274 if (type() == t_eph::CNAV ||
275 type() == t_eph::L1NV) {
[9786]276 nLines += 1;
277 }
[10587]278 if (type() == t_eph::CNV2) {
[9786]279 nLines += 2;
280 }
281
[6801]282 if (lines.size() != nLines) {
283 _checkState = bad;
284 return;
285 }
286
287 // RINEX Format
288 // ------------
289 int fieldLen = 19;
[10587]290 double statusflags = 0.0;
[6801]291
292 int pos[4];
[10577]293 pos[0] = (rnxVersion <= 2.12) ? 3 : 4;
[6801]294 pos[1] = pos[0] + fieldLen;
295 pos[2] = pos[1] + fieldLen;
296 pos[3] = pos[2] + fieldLen;
297
[10587]298 // Read nLines lines
299 // ------------------
[6801]300 for (int iLine = 0; iLine < nLines; iLine++) {
301 QString line = lines[iLine];
302
[10577]303 if (iLine == 0) {
[8204]304 QTextStream in(line.left(pos[1]).toLatin1());
[10577]305 int year, month, day, hour, min;
[6801]306 double sec;
307
[7139]308 QString prnStr, n;
[6880]309 in >> prnStr;
[7639]310
[10587]311 if (prnStr.size() == 1 &&
312 (prnStr[0] == 'G' ||
313 prnStr[0] == 'J' ||
314 prnStr[0] == 'I')) {
[7139]315 in >> n;
316 prnStr.append(n);
[6880]317 }
[7639]318
[6880]319 in >> year >> month >> day >> hour >> min >> sec;
[10587]320 if ( prnStr.at(0) == 'G') {
[6801]321 _prn.set('G', prnStr.mid(1).toInt());
[10577]322 } else if (prnStr.at(0) == 'J') {
[6801]323 _prn.set('J', prnStr.mid(1).toInt());
[10577]324 } else if (prnStr.at(0) == 'I') {
[8168]325 _prn.set('I', prnStr.mid(1).toInt());
[10577]326 } else {
[6801]327 _prn.set('G', prnStr.toInt());
328 }
329
[10577]330 if (year < 80) {
[6801]331 year += 2000;
[10577]332 } else if (year < 100) {
[6801]333 year += 1900;
334 }
335
336 _TOC.set(year, month, day, hour, min, sec);
337
[10577]338 if ( readDbl(line, pos[1], fieldLen, _clock_bias)
339 || readDbl(line, pos[2], fieldLen, _clock_drift)
340 || readDbl(line, pos[3], fieldLen, _clock_driftrate)) {
[6801]341 _checkState = bad;
342 return;
343 }
344 }
[9786]345 // =====================
346 // BROADCAST ORBIT - 1
347 // =====================
[10577]348 else if (iLine == 1) {
[10587]349 if (type() == t_eph::CNAV ||
350 type() == t_eph::CNV2 ||
351 type() == t_eph::L1NV) {
[10577]352 if ( readDbl(line, pos[0], fieldLen, _ADOT)
353 || readDbl(line, pos[1], fieldLen, _Crs)
354 || readDbl(line, pos[2], fieldLen, _Delta_n)
355 || readDbl(line, pos[3], fieldLen, _M0)) {
[9786]356 _checkState = bad;
357 return;
358 }
[10587]359 } else { // LNAV
[10577]360 if ( readDbl(line, pos[0], fieldLen, _IODE)
361 || readDbl(line, pos[1], fieldLen, _Crs)
362 || readDbl(line, pos[2], fieldLen, _Delta_n)
363 || readDbl(line, pos[3], fieldLen, _M0)) {
364 _checkState = bad;
365 return;
366 }
[9786]367 }
[6801]368 }
[9786]369 // =====================
370 // BROADCAST ORBIT - 2
371 // =====================
[10577]372 else if (iLine == 2) {
373 if ( readDbl(line, pos[0], fieldLen, _Cuc)
374 || readDbl(line, pos[1], fieldLen, _e)
375 || readDbl(line, pos[2], fieldLen, _Cus)
376 || readDbl(line, pos[3], fieldLen, _sqrt_A)) {
[6801]377 _checkState = bad;
378 return;
379 }
380 }
[9786]381 // =====================
382 // BROADCAST ORBIT - 3
383 // =====================
[10577]384 else if (iLine == 3) {
[10587]385 if (type() == t_eph::CNAV ||
386 type() == t_eph::CNV2) {
[10577]387 if ( readDbl(line, pos[0], fieldLen, _top)
388 || readDbl(line, pos[1], fieldLen, _Cic)
389 || readDbl(line, pos[2], fieldLen, _OMEGA0)
390 || readDbl(line, pos[3], fieldLen, _Cis)) {
[9786]391 _checkState = bad;
392 return;
393 }
[10587]394 } else if (type() == t_eph::L1NV) {
[10577]395 if ( readDbl(line, pos[0], fieldLen, _IODE)
396 || readDbl(line, pos[1], fieldLen, _Cic)
397 || readDbl(line, pos[2], fieldLen, _OMEGA0)
398 || readDbl(line, pos[3], fieldLen, _Cis)) {
[9786]399 _checkState = bad;
400 return;
401 }
[10587]402 } else { // LNAV
[10577]403 if ( readDbl(line, pos[0], fieldLen, _TOEsec)
404 || readDbl(line, pos[1], fieldLen, _Cic)
405 || readDbl(line, pos[2], fieldLen, _OMEGA0)
406 || readDbl(line, pos[3], fieldLen, _Cis)) {
407 _checkState = bad;
408 return;
409 }
[9786]410 }
[6801]411 }
[9786]412 // =====================
413 // BROADCAST ORBIT - 4
414 // =====================
[10577]415 else if (iLine == 4) {
416 if ( readDbl(line, pos[0], fieldLen, _i0)
417 || readDbl(line, pos[1], fieldLen, _Crc)
418 || readDbl(line, pos[2], fieldLen, _omega)
419 || readDbl(line, pos[3], fieldLen, _OMEGADOT)) {
[6801]420 _checkState = bad;
421 return;
422 }
423 }
[9786]424 // =====================
425 // BROADCAST ORBIT - 5
426 // =====================
[10587]427 else if (iLine == 5 && system() != t_eph::IRNSS) {
428 if (type() == t_eph::CNAV ||
429 type() == t_eph::CNV2) {
[10577]430 if ( readDbl(line, pos[0], fieldLen, _IDOT)
431 || readDbl(line, pos[1], fieldLen, _Delta_n_dot)
432 || readDbl(line, pos[2], fieldLen, _URAI_NED0)
433 || readDbl(line, pos[3], fieldLen, _URAI_NED1)) {
[9786]434 _checkState = bad;
435 return;
436 }
[6801]437 }
[10587]438 else { // LNAV
[10577]439 if ( readDbl(line, pos[0], fieldLen, _IDOT)
440 || readDbl(line, pos[1], fieldLen, _L2Codes)
441 || readDbl(line, pos[2], fieldLen, _TOEweek)
442 || readDbl(line, pos[3], fieldLen, _L2PFlag)) {
[9786]443 _checkState = bad;
444 return;
445 }
446 }
[10587]447 } else if (iLine == 5 && system() == t_eph::IRNSS) {
448 if (type() == t_eph::LNAV) {
[10577]449 if ( readDbl(line, pos[0], fieldLen, _IDOT)
450 || readDbl(line, pos[2], fieldLen, _TOEweek)) {
451 _checkState = bad;
452 return;
453 }
[8168]454 }
[10587]455 else if (type() == t_eph::L1NV) {
[10577]456 if ( readDbl(line, pos[0], fieldLen, _IDOT)
457 || readDbl(line, pos[1], fieldLen, _Delta_n_dot)
458 || readDbl(line, pos[3], fieldLen, _RSF)) {
459 _checkState = bad;
460 return;
461 }
462 }
[8168]463 }
[9786]464 // =====================
465 // BROADCAST ORBIT - 6
466 // =====================
[10587]467 else if (iLine == 6 && system() != t_eph::IRNSS) {
468 if (type() == t_eph::CNAV ||
469 type() == t_eph::CNV2) {
[10577]470 if ( readDbl(line, pos[0], fieldLen, _URAI_ED)
471 || readDbl(line, pos[1], fieldLen, _health)
472 || readDbl(line, pos[2], fieldLen, _TGD)
473 || readDbl(line, pos[3], fieldLen, _URAI_NED2)) {
[9786]474 _checkState = bad;
475 return;
476 }
[10587]477 } else { // LNAV
[10577]478 if ( readDbl(line, pos[0], fieldLen, _ura)
479 || readDbl(line, pos[1], fieldLen, _health)
480 || readDbl(line, pos[2], fieldLen, _TGD)
481 || readDbl(line, pos[3], fieldLen, _IODC)) {
[9786]482 _checkState = bad;
483 return;
484 }
485 }
[6801]486 }
[10587]487 else if (iLine == 6 && system() == t_eph::IRNSS) {
488 if (type() == t_eph::LNAV) {
[10577]489 if ( readDbl(line, pos[0], fieldLen, _ura)
490 || readDbl(line, pos[1], fieldLen, _health)
491 || readDbl(line, pos[2], fieldLen, _TGD)) {
492 _checkState = bad;
493 return;
494 }
[8168]495 }
[10587]496 else if (type() == t_eph::L1NV) {
[10577]497 int i = 0;
498 (!_RSF) ? i = 2 : i = 3;
499 if ( readDbl(line, pos[0], fieldLen, _URAI)
500 || readDbl(line, pos[1], fieldLen, _health)
501 || readDbl(line, pos[i], fieldLen, _TGD)) {
502 _checkState = bad;
503 return;
504 }
[10587]505 _ura = accuracyFromIndex(int(_URAI), system());
[10577]506 }
[8168]507 }
[9786]508 // =====================
509 // BROADCAST ORBIT - 7
510 // =====================
[10577]511 else if (iLine == 7) {
[10587]512 if (type() == t_eph::LNAV) {
[10577]513 if (readDbl(line, pos[0], fieldLen, _TOT)) {
[9786]514 _checkState = bad;
515 return;
[10587]516 }
517 if (system() != t_eph::IRNSS) {
518 double fitIntervalRnx;
519 if (readDbl(line, pos[1], fieldLen, fitIntervalRnx)) {
520 //fit interval BLK, do nothing
521 _flags_unknown = true;
522 } else {
523 _flags_unknown = false;
524 if (system() == t_eph::GPS) { // in RINEX specified always as time period for GPS
[9786]525 _fitInterval = fitIntervalRnx;
526 }
[10587]527 else if (system() == t_eph::QZSS) { // specified as flag for QZSS
[10577]528 if (rnxVersion == 3.02) {
529 _fitInterval = fitIntervalRnx; // specified as time period
530 } else {
531 _fitInterval = fitIntervalFromFlag(fitIntervalRnx, _IODC, t_eph::QZSS);
532 }
[9786]533 }
[8934]534 }
[8927]535 }
[8925]536 }
[10587]537 else if (type() == t_eph::CNAV ||
538 type() == t_eph::CNV2) {
[10577]539 if ( readDbl(line, pos[0], fieldLen, _ISC_L1CA)
540 || readDbl(line, pos[1], fieldLen, _ISC_L2C)
541 || readDbl(line, pos[2], fieldLen, _ISC_L5I5)
542 || readDbl(line, pos[3], fieldLen, _ISC_L5Q5)) {
[9786]543 _checkState = bad;
544 return;
545 }
546 }
[10587]547 else if (type() == t_eph::L1NV) {
[10577]548 if (!_RSF) {
549 if ( readDbl(line, pos[0], fieldLen, _ISC_S)
550 || readDbl(line, pos[1], fieldLen, _ISC_L1D)) {
551 _checkState = bad;
552 return;
553 }
554 } else {
555 if ( readDbl(line, pos[2], fieldLen, _ISC_L1P)
556 || readDbl(line, pos[3], fieldLen, _ISC_L1D)) {
557 _checkState = bad;
558 return;
559 }
560 }
561 }
[6801]562 }
[9786]563 // =====================
564 // BROADCAST ORBIT - 8
565 // =====================
[10577]566 else if (iLine == 8) {
[10587]567 if (type() == t_eph::CNAV) {
[10577]568 if ( readDbl(line, pos[0], fieldLen, _TOT)
[10587]569 || readDbl(line, pos[1], fieldLen, _wnop)) {
[9786]570 _checkState = bad;
571 return;
572 }
[10587]573 if (readDbl(line, pos[2], fieldLen, statusflags)) {
574 _flags_unknown = true;
575 }
576 else {
577 _flags_unknown = false;
[10577]578 // Bit 0:
[10587]579 _intSF = double(bitExtracted(int(statusflags), 1, 0));
[10577]580 // Bit 1:
[10587]581 _L2Cphasing = double(bitExtracted(int(statusflags), 1, 1));
[10577]582 // Bit 2:
[10587]583 _alert = double(bitExtracted(int(statusflags), 1, 2));
[10577]584 }
[9786]585 }
[10587]586 else if (type() == t_eph::CNV2) {
[10577]587 if ( readDbl(line, pos[0], fieldLen, _ISC_L1Cd)
588 || readDbl(line, pos[1], fieldLen, _ISC_L1Cp)) {
[9786]589 _checkState = bad;
590 return;
591 }
592 }
[10587]593 else if (type() == t_eph::L1NV) {
[10577]594 if ( readDbl(line, pos[0], fieldLen, _TOT)) {
595 _checkState = bad;
596 return;
597 }
598 }
[9786]599 }
600 // =====================
601 // BROADCAST ORBIT - 9
602 // =====================
[10577]603 else if (iLine == 9) {
[10587]604 if (type() == t_eph::CNV2) {
[10577]605 if ( readDbl(line, pos[0], fieldLen, _TOT)
[10587]606 || readDbl(line, pos[1], fieldLen, _wnop)) {
[9786]607 _checkState = bad;
608 return;
609 }
[10587]610 if (readDbl(line, pos[2], fieldLen, statusflags)) {
611 _flags_unknown = true;
612 }
613 else {
614 _flags_unknown = false;
[10577]615 // Bit 0:
[10587]616 _intSF = double(bitExtracted(int(statusflags), 1, 0));
617 if (system() == t_eph::QZSS) {
[10577]618 // Bit 1:
[10587]619 _ephSF = double(bitExtracted(int(statusflags), 1, 1));
[10577]620 }
621 }
[9786]622 }
623 }
[6801]624 }
625}
626
[2222]627// Compute GPS Satellite Position (virtual)
[1025]628////////////////////////////////////////////////////////////////////////////
[10577]629t_irc t_ephGPS::position(int GPSweek, double GPSweeks, double *xc,
630 double *vv) const {
[1025]631
[1098]632 static const double omegaEarth = 7292115.1467e-11;
[10577]633 static const double gmGRS = 398.6005e12;
[1025]634
[10577]635 memset(xc, 0, 6 * sizeof(double));
636 memset(vv, 0, 3 * sizeof(double));
[1025]637
638 double a0 = _sqrt_A * _sqrt_A;
639 if (a0 == 0) {
[6213]640 return failure;
[1025]641 }
642
[10577]643 double n0 = sqrt(gmGRS / (a0 * a0 * a0));
[4018]644
645 bncTime tt(GPSweek, GPSweeks);
[4543]646 double tk = tt - bncTime(int(_TOEweek), _TOEsec);
[4018]647
[10577]648 double n = n0 + _Delta_n;
649 double M = _M0 + n * tk;
650 double E = M;
[1025]651 double E_last;
[10577]652 int nLoop = 0;
[1025]653 do {
654 E_last = E;
[10577]655 E = M + _e * sin(E);
[8368]656
657 if (++nLoop == 100) {
658 return failure;
659 }
[10577]660 } while (fabs(E - E_last) * a0 > 0.001);
661 double v = 2.0 * atan(sqrt((1.0 + _e) / (1.0 - _e)) * tan(E / 2));
662 double u0 = v + _omega;
663 double sin2u0 = sin(2 * u0);
664 double cos2u0 = cos(2 * u0);
665 double r = a0 * (1 - _e * cos(E)) + _Crc * cos2u0 + _Crs * sin2u0;
666 double i = _i0 + _IDOT * tk + _Cic * cos2u0 + _Cis * sin2u0;
667 double u = u0 + _Cuc * cos2u0 + _Cus * sin2u0;
668 double xp = r * cos(u);
669 double yp = r * sin(u);
670 double OM = _OMEGA0 + (_OMEGADOT - omegaEarth) * tk - omegaEarth * _TOEsec;
[7278]671
[1025]672 double sinom = sin(OM);
673 double cosom = cos(OM);
[10577]674 double sini = sin(i);
675 double cosi = cos(i);
676 xc[0] = xp * cosom - yp * cosi * sinom;
677 xc[1] = xp * sinom + yp * cosi * cosom;
678 xc[2] = yp * sini;
[7481]679
[4018]680 double tc = tt - _TOC;
[10577]681 xc[3] = _clock_bias + _clock_drift * tc + _clock_driftrate * tc * tc;
[1025]682
683 // Velocity
684 // --------
[10577]685 double tanv2 = tan(v / 2);
686 double dEdM = 1 / (1 - _e * cos(E));
687 double dotv = sqrt((1.0 + _e) / (1.0 - _e)) / cos(E / 2) / cos(E / 2)
688 / (1 + tanv2 * tanv2) * dEdM * n;
689 double dotu = dotv + (-_Cuc * sin2u0 + _Cus * cos2u0) * 2 * dotv;
[1025]690 double dotom = _OMEGADOT - omegaEarth;
[10577]691 double doti = _IDOT + (-_Cic * sin2u0 + _Cis * cos2u0) * 2 * dotv;
692 double dotr = a0 * _e * sin(E) * dEdM * n
693 + (-_Crc * sin2u0 + _Crs * cos2u0) * 2 * dotv;
694 double dotx = dotr * cos(u) - r * sin(u) * dotu;
695 double doty = dotr * sin(u) + r * cos(u) * dotu;
[1025]696
[10577]697 vv[0] = cosom * dotx - cosi * sinom * doty // dX / dr
698 - xp * sinom * dotom - yp * cosi * cosom * dotom // dX / dOMEGA
699 + yp * sini * sinom * doti; // dX / di
[1025]700
[10577]701 vv[1] = sinom * dotx + cosi * cosom * doty + xp * cosom * dotom
702 - yp * cosi * sinom * dotom - yp * sini * cosom * doti;
[1025]703
[10577]704 vv[2] = sini * doty + yp * cosi * doti;
[2429]705
706 // Relativistic Correction
707 // -----------------------
[10577]708 xc[3] -= 4.442807633e-10 * _e * sqrt(a0) * sin(E);
[9132]709
[10577]710 xc[4] = _clock_drift + _clock_driftrate * tc;
[8542]711 xc[5] = _clock_driftrate;
[8581]712
[6213]713 return success;
[1025]714}
715
[6801]716// RINEX Format String
717//////////////////////////////////////////////////////////////////////////////
718QString t_ephGPS::toString(double version) const {
[2221]719
[10587]720 if (version < 4.0 &&
721 (type() == t_eph::CNAV ||
722 type() == t_eph::CNV2 ||
723 type() == t_eph::L1NV )) {
724 return "";
725 }
726
727 QString ephStr = typeStr(_type, _prn, version);
[10577]728 QString rnxStr = ephStr + rinexDateStr(_TOC, _prn, version);
[2221]729
[6801]730 QTextStream out(&rnxStr);
[2221]731
[10577]732 out
733 << QString("%1%2%3\n")
734 .arg(_clock_bias, 19, 'e', 12)
735 .arg(_clock_drift, 19, 'e', 12)
736 .arg(_clock_driftrate, 19, 'e', 12);
[2221]737
[6801]738 QString fmt = version < 3.0 ? " %1%2%3%4\n" : " %1%2%3%4\n";
[2221]739
[9786]740 // =====================
741 // BROADCAST ORBIT - 1
742 // =====================
[10587]743 if (type() == t_eph::CNAV ||
744 type() == t_eph::CNV2 ||
745 type() == t_eph::L1NV) {
[10577]746 out
747 << QString(fmt)
748 .arg(_ADOT, 19, 'e', 12)
749 .arg(_Crs, 19, 'e', 12)
750 .arg(_Delta_n, 19, 'e', 12)
751 .arg(_M0, 19, 'e', 12);
752 } else { // LNAV, undefined
753 out
754 << QString(fmt)
755 .arg(_IODE, 19, 'e', 12)
756 .arg(_Crs, 19, 'e', 12)
757 .arg(_Delta_n, 19, 'e', 12)
758 .arg(_M0, 19, 'e', 12);
[9786]759 }
760 // =====================
761 // BROADCAST ORBIT - 2
762 // =====================
[10577]763 out
764 << QString(fmt)
765 .arg(_Cuc, 19, 'e', 12)
766 .arg(_e, 19, 'e', 12)
767 .arg(_Cus, 19, 'e', 12)
768 .arg(_sqrt_A, 19, 'e', 12);
[9786]769 // =====================
770 // BROADCAST ORBIT - 3
771 // =====================
[10587]772 if (type() == t_eph::CNAV ||
773 type() == t_eph::CNV2) {
[10577]774 out
775 << QString(fmt)
[9786]776 .arg(_top, 19, 'e', 12)
777 .arg(_Cic, 19, 'e', 12)
778 .arg(_OMEGA0, 19, 'e', 12)
779 .arg(_Cis, 19, 'e', 12);
780 }
[10587]781 else if (type() == t_eph::L1NV) {
[10577]782 out
783 << QString(fmt)
784 .arg(_IODE, 19, 'e', 12)
785 .arg(_Cic, 19, 'e', 12)
786 .arg(_OMEGA0, 19, 'e', 12)
787 .arg(_Cis, 19, 'e', 12);
788 }
789 else { // LNAV, undefined
790 out
791 << QString(fmt)
[9786]792 .arg(_TOEsec, 19, 'e', 12)
793 .arg(_Cic, 19, 'e', 12)
794 .arg(_OMEGA0, 19, 'e', 12)
795 .arg(_Cis, 19, 'e', 12);
796 }
797 // =====================
798 // BROADCAST ORBIT - 4
799 // =====================
[10577]800 out
801 << QString(fmt)
802 .arg(_i0, 19, 'e', 12)
803 .arg(_Crc, 19, 'e', 12)
804 .arg(_omega, 19, 'e', 12)
805 .arg(_OMEGADOT, 19, 'e', 12);
[9786]806 // =====================
807 // BROADCAST ORBIT - 5
808 // =====================
[10587]809 if (system() != t_eph::IRNSS) {
810 if (type() == t_eph::CNAV ||
811 type() == t_eph::CNV2) {
[10577]812 out
813 << QString(fmt)
814 .arg(_IDOT, 19, 'e', 12)
815 .arg(_Delta_n_dot, 19, 'e', 12)
816 .arg(_URAI_NED0, 19, 'e', 12)
817 .arg(_URAI_NED1, 19, 'e', 12);
818 }
819 else { // LNAV, undefined
820 out
821 << QString(fmt)
822 .arg(_IDOT, 19, 'e', 12)
823 .arg(_L2Codes, 19, 'e', 12)
824 .arg(_TOEweek, 19, 'e', 12)
825 .arg(_L2PFlag, 19, 'e', 12);
826 }
827 }
828 else {
[10587]829 if (type() == t_eph::LNAV ||
830 type() == t_eph::undefined) {
[10577]831 out
832 << QString(fmt)
[8168]833 .arg(_IDOT, 19, 'e', 12)
[10577]834 .arg("", 19, QChar(' '))
[8800]835 .arg(_TOEweek, 19, 'e', 12)
[10577]836 .arg("", 19, QChar(' '));
[9786]837 }
[10587]838 else if (type() == t_eph::L1NV) {
[10577]839 out
840 << QString(fmt)
841 .arg(_IDOT, 19, 'e', 12)
842 .arg(_Delta_n_dot, 19, 'e', 12)
843 .arg("", 19, QChar(' '))
844 .arg(_RSF, 19, 'e', 12);
[9786]845 }
[8800]846 }
[9786]847 // =====================
848 // BROADCAST ORBIT - 6
849 // =====================
[10587]850 if (system() != t_eph::IRNSS) {
851 if (type() == t_eph::CNAV ||
852 type() == t_eph::CNV2) {
[10577]853 out
854 << QString(fmt)
855 .arg(_URAI_ED, 19, 'e', 12)
856 .arg(_health, 19, 'e', 12)
857 .arg(_TGD, 19, 'e', 12)
858 .arg(_URAI_NED2, 19, 'e', 12);
859 }
860 else { // LNAV, undefined
861 out
862 << QString(fmt)
863 .arg(_ura, 19, 'e', 12)
864 .arg(_health, 19, 'e', 12)
865 .arg(_TGD, 19, 'e', 12)
866 .arg(_IODC, 19, 'e', 12);
867 }
[8168]868 }
869 else {
[10587]870 if (type() == t_eph::LNAV ||
871 type() == t_eph::undefined) {
[10577]872 out
873 << QString(fmt)
874 .arg(_ura, 19, 'e', 12)
875 .arg(_health, 19, 'e', 12)
876 .arg(_TGD, 19, 'e', 12);
[9786]877 }
[10587]878 else if (type() == t_eph::L1NV) {
[10577]879 int i = 0; (!_RSF) ? i = 2 : i = 3;
880 if (i == 2) {
881 out
882 << QString(fmt)
883 .arg(_URAI, 19, 'e', 12)
884 .arg(_health, 19, 'e', 12)
885 .arg(_TGD, 19, 'e', 12)
886 .arg("", 19, QChar(' '));
887 }
888 else {
889 out
890 << QString(fmt)
891 .arg(_URAI, 19, 'e', 12)
892 .arg(_health, 19, 'e', 12)
893 .arg("", 19, QChar(' '))
894 .arg(_TGD, 19, 'e', 12);
895 }
[9786]896 }
[8168]897 }
[9786]898 // =====================
899 // BROADCAST ORBIT - 7
900 // =====================
[10587]901 if (type() == t_eph::LNAV ||
902 type() == t_eph::undefined) {
[6801]903
[9786]904 double tot = _TOT;
905 if (tot == 0.9999e9 && version < 3.0) {
906 tot = 0.0;
907 }
908 // fitInterval
[10587]909 if (system() == t_eph::IRNSS) {
[10577]910 out
911 << QString(fmt)
912 .arg(tot, 19, 'e', 12)
913 .arg("", 19, QChar(' '))
914 .arg("", 19, QChar(' '))
915 .arg("", 19, QChar(' '));
[9786]916 }
917 else {
[10587]918 if (_flags_unknown) {
919 out
920 << QString(fmt)
921 .arg(tot, 19, 'e', 12)
922 .arg("", 19, QChar(' '))
923 .arg("", 19, QChar(' '))
924 .arg("", 19, QChar(' '));
[9786]925 }
[10587]926 else {
927 // for GPS and QZSS in version 3.02 specified in hours
928 double fitIntervalRnx = _fitInterval;
929 // otherwise specified as flag
930 if (system() == t_eph::QZSS && version != 3.02) {
931 (_fitInterval == 2.0) ? fitIntervalRnx = 0.0 : fitIntervalRnx = 1.0;
932 }
933 out
934 << QString(fmt)
935 .arg(tot, 19, 'e', 12)
936 .arg(fitIntervalRnx, 19, 'e', 12)
937 .arg("", 19, QChar(' '))
938 .arg("", 19, QChar(' '));
939 }
[9786]940 }
[7922]941 }
[10587]942 else if (type() == t_eph::CNAV ||
943 type() == t_eph::CNV2) {
[10577]944 out
945 << QString(fmt)
946 .arg(_ISC_L1CA, 19, 'e', 12)
947 .arg(_ISC_L2C, 19, 'e', 12)
948 .arg(_ISC_L5I5, 19, 'e', 12)
949 .arg(_ISC_L5Q5, 19, 'e', 12);
[8800]950 }
[10587]951 else if (type() == t_eph::L1NV) {
[10577]952 if (_RSF) {
953 out
954 << QString(fmt)
955 .arg(_ISC_S, 19, 'e', 12)
956 .arg(_ISC_L1D, 19, 'e', 12)
957 .arg("", 19, QChar(' '))
958 .arg("", 19, QChar(' '));
959 }
960 else {
961 out
962 << QString(fmt)
963 .arg("", 19, QChar(' '))
964 .arg("", 19, QChar(' '))
965 .arg(_ISC_L1P, 19, 'e', 12)
966 .arg(_ISC_L1D, 19, 'e', 12);
967 }
968 }
[9786]969 // =====================
970 // BROADCAST ORBIT - 8
971 // =====================
[10587]972 if (type() == t_eph::CNAV) {
973 int intFlags = 0;
974 if (!_flags_unknown) {
975 // Bit 0:
976 if (_intSF) {intFlags |= (1 << 0);}
977 // Bit 1:
978 if (_L2Cphasing) {intFlags |= (1 << 1);}
979 // Bit 2:
980 if (_alert) {intFlags |= (1 << 2);}
[10577]981 out
982 << QString(fmt)
[10587]983 .arg(_TOT, 19, 'e', 12)
984 .arg(_wnop, 19, 'e', 12)
985 .arg(double(intFlags), 19, 'e', 12)
986 .arg("", 19, QChar(' '));
[10577]987 }
988 else {
989 out
990 << QString(fmt)
991 .arg(_TOT, 19, 'e', 12)
992 .arg(_wnop, 19, 'e', 12)
993 .arg("", 19, QChar(' '))
994 .arg("", 19, QChar(' '));
995 }
[8800]996 }
[10587]997 else if (type() == t_eph::CNV2) {
[10577]998 out
999 << QString(fmt)
1000 .arg(_ISC_L1Cd, 19, 'e', 12)
1001 .arg(_ISC_L1Cp, 19, 'e', 12)
1002 .arg("", 19, QChar(' '))
1003 .arg("", 19, QChar(' '));
[9786]1004 }
[10587]1005 else if (type() == t_eph::L1NV) {
[10577]1006 out
1007 << QString(fmt)
1008 .arg(_TOT, 19, 'e', 12)
1009 .arg("", 19, QChar(' '))
1010 .arg("", 19, QChar(' '))
1011 .arg("", 19, QChar(' '));
1012 }
[9786]1013 // =====================
1014 // BROADCAST ORBIT - 9
1015 // =====================
[10587]1016 if (type() == t_eph::CNV2) {
1017 int intFlags = 0;
1018 if (!_flags_unknown) {
1019 // Bit 0:
1020 if (_intSF) {intFlags |= (1 << 0);}
1021 if (system() == t_eph::QZSS) {
1022 // Bit 1:
1023 if (_ephSF) {intFlags |= (1 << 1);}
1024 }
[10577]1025 out
1026 << QString(fmt)
[10587]1027 .arg(_TOT, 19, 'e', 12)
1028 .arg(_wnop, 19, 'e', 12)
1029 .arg(double(intFlags), 19, 'e', 12)
1030 .arg("", 19, QChar(' '));
[10577]1031 }
1032 else {
1033 out
1034 << QString(fmt)
1035 .arg(_TOT, 19, 'e', 12)
1036 .arg(_wnop, 19, 'e', 12)
1037 .arg("", 19, QChar(' '))
1038 .arg("", 19, QChar(' '));
1039 }
[9786]1040 }
[6801]1041 return rnxStr;
[2221]1042}
1043
[6801]1044// Constructor
1045//////////////////////////////////////////////////////////////////////////////
[10577]1046t_ephGlo::t_ephGlo(double rnxVersion, const QStringList &lines) {
[2221]1047
[9367]1048 int nLines = 4;
[10587]1049
1050 // Source RINEX version < 4
1051 if (type() == t_eph::undefined) {
1052 _type = t_eph::FDMA;
1053 }
1054
[9367]1055 if (rnxVersion >= 3.05) {
1056 nLines += 1;
[10577]1057 } else {
[9367]1058 _M_delta_tau = 0.9999e9; // unknown
[10587]1059 _M_FT = 1.5e1; // unknown
[9367]1060 }
[6801]1061
1062 if (lines.size() != nLines) {
1063 _checkState = bad;
1064 return;
[6518]1065 }
1066
[6801]1067 // RINEX Format
1068 // ------------
1069 int fieldLen = 19;
[9367]1070 double statusflags = 0.0;
1071 double healthflags = 0.0;
[10587]1072 double sourceflags = 0.0;
1073 _tauC = 0.0;
1074 _tau1 = 0.0;
1075 _tau2 = 0.0;
1076 _additional_data_availability = 0.0;
[2221]1077
[6801]1078 int pos[4];
[10577]1079 pos[0] = (rnxVersion <= 2.12) ? 3 : 4;
[6801]1080 pos[1] = pos[0] + fieldLen;
1081 pos[2] = pos[1] + fieldLen;
1082 pos[3] = pos[2] + fieldLen;
[2221]1083
[6801]1084 // Read four lines
1085 // ---------------
1086 for (int iLine = 0; iLine < nLines; iLine++) {
1087 QString line = lines[iLine];
[2221]1088
[10577]1089 if (iLine == 0) {
[8204]1090 QTextStream in(line.left(pos[1]).toLatin1());
[6213]1091
[10577]1092 int year, month, day, hour, min;
[6801]1093 double sec;
[2221]1094
[7139]1095 QString prnStr, n;
[6880]1096 in >> prnStr;
[7639]1097 if (prnStr.size() == 1 && prnStr[0] == 'R') {
[7139]1098 in >> n;
1099 prnStr.append(n);
[6880]1100 }
1101 in >> year >> month >> day >> hour >> min >> sec;
[6801]1102 if (prnStr.at(0) == 'R') {
1103 _prn.set('R', prnStr.mid(1).toInt());
[10577]1104 } else {
[6801]1105 _prn.set('R', prnStr.toInt());
1106 }
[2221]1107
[10577]1108 if (year < 80) {
[6801]1109 year += 2000;
[10577]1110 } else if (year < 100) {
[6801]1111 year += 1900;
1112 }
[2221]1113
[6801]1114 _gps_utc = gnumleap(year, month, day);
[2221]1115
[6801]1116 _TOC.set(year, month, day, hour, min, sec);
[10577]1117 _TOC = _TOC + _gps_utc;
1118 int nd = int((_TOC.gpssec())) / (24.0 * 60.0 * 60.0);
[10587]1119 if ( readDbl(line, pos[1], fieldLen, _tau)
[10577]1120 || readDbl(line, pos[2], fieldLen, _gamma)
1121 || readDbl(line, pos[3], fieldLen, _tki)) {
[6801]1122 _checkState = bad;
1123 return;
1124 }
[8800]1125 _tki -= nd * 86400.0;
[10577]1126 _tau = -_tau;
[6801]1127 }
[9788]1128 // =====================
1129 // BROADCAST ORBIT - 1
1130 // =====================
[10577]1131 else if (iLine == 1) {
[10587]1132 if ( readDbl(line, pos[0], fieldLen, _x_pos)
1133 || readDbl(line, pos[1], fieldLen, _x_vel)
1134 || readDbl(line, pos[2], fieldLen, _x_acc)
[10577]1135 || readDbl(line, pos[3], fieldLen, _health)) {
[6801]1136 _checkState = bad;
1137 return;
1138 }
1139 }
[9788]1140 // =====================
1141 // BROADCAST ORBIT - 2
1142 // =====================
[10577]1143 else if (iLine == 2) {
[10587]1144 if (type() == t_eph::FDMA ||
1145 type() == t_eph::undefined) {
1146 if ( readDbl(line, pos[0], fieldLen, _y_pos)
1147 || readDbl(line, pos[1], fieldLen, _y_vel)
1148 || readDbl(line, pos[2], fieldLen, _y_acc)
1149 || readDbl(line, pos[3], fieldLen, _frq_num)) {
1150 _checkState = bad;
1151 return;
1152 }
[6801]1153 }
[10587]1154 else { //L1OC, L3OC
1155 if ( readDbl(line, pos[0], fieldLen, _y_pos)
1156 || readDbl(line, pos[1], fieldLen, _y_vel)
1157 || readDbl(line, pos[2], fieldLen, _y_acc)
1158 || readDbl(line, pos[3], fieldLen, statusflags)) {
1159 _checkState = bad;
1160 return;
1161 }
1162 _data_validity = int(statusflags);
1163 }
[6801]1164 }
[9788]1165 // =====================
1166 // BROADCAST ORBIT - 3
1167 // =====================
[10577]1168 else if (iLine == 3) {
[10587]1169 if (type() == t_eph::FDMA ||
1170 type() == t_eph::undefined) {
1171 if ( readDbl(line, pos[0], fieldLen, _z_pos)
1172 || readDbl(line, pos[1], fieldLen, _z_vel)
1173 || readDbl(line, pos[2], fieldLen, _z_acc)
1174 || readDbl(line, pos[3], fieldLen, _E)) {
1175 _checkState = bad;
1176 return;
1177 }
[6801]1178 }
[10587]1179 else if (type() == t_eph::L1OC) {
1180 if ( readDbl(line, pos[0], fieldLen, _z_pos)
1181 || readDbl(line, pos[1], fieldLen, _z_vel)
1182 || readDbl(line, pos[2], fieldLen, _z_acc)
1183 || readDbl(line, pos[3], fieldLen, _TGD_L2OCp)) {
1184 _checkState = bad;
1185 return;
1186 }
1187 }
1188 else if (type() == t_eph::L3OC) {
1189 if ( readDbl(line, pos[0], fieldLen, _z_pos)
1190 || readDbl(line, pos[1], fieldLen, _z_vel)
1191 || readDbl(line, pos[2], fieldLen, _z_acc)
1192 || readDbl(line, pos[3], fieldLen, _TGD_L3OCp)) {
1193 _checkState = bad;
1194 return;
1195 }
1196 }
[6801]1197 }
[9788]1198 // =====================
1199 // BROADCAST ORBIT - 4
1200 // =====================
[10577]1201 else if (iLine == 4) {
[10587]1202 if (type() == t_eph::FDMA ||
1203 type() == t_eph::undefined){
1204 if (readDbl(line, pos[0], fieldLen, statusflags)) {
1205 //status flags BLK, do nothing
1206 _statusflags_unknown = true;
1207 } else {
1208 _statusflags_unknown = false;
1209 // status flags
1210 // ============
1211 // bit 0-1
1212 _M_P = double(bitExtracted(int(statusflags), 2, 0));
1213 // bit 2-3
1214 _P1 = double(bitExtracted(int(statusflags), 2, 2));
1215 // bit 4
1216 _P2 = double(bitExtracted(int(statusflags), 1, 4));
1217 // bit 5
1218 _P3 = double(bitExtracted(int(statusflags), 1, 5));
1219 // bit 6
1220 _M_P4 = double(bitExtracted(int(statusflags), 1, 6));
1221 // bit 7-8
1222 _M_M = double(bitExtracted(int(statusflags), 2, 7));
1223 /// GLO M/K exclusive flags/values only valid if flag M is set to '01'
1224 if (!_M_M) {
1225 _M_P = 0.0;
1226 _M_l3 = 0.0;
1227 _M_P4 = 0.0;
1228 _M_FE = 0.0;
1229 _M_FT = 0.0;
1230 _M_NA = 0.0;
1231 _M_NT = 0.0;
1232 _M_N4 = 0.0;
1233 _M_l5 = 0.0;
1234 _M_tau_GPS = 0.0;
1235 _M_delta_tau = 0.0;
1236 }
1237 }
1238 if ( readDbl(line, pos[1], fieldLen, _M_delta_tau)
1239 || readDbl(line, pos[2], fieldLen, _M_FT)) {
1240 _checkState = bad;
1241 return;
1242 }
1243 if (readDbl(line, pos[3], fieldLen, healthflags)) {
1244 // health flags BLK
1245 _healthflags_unknown = true;
1246 } else {
1247 _healthflags_unknown = false;
1248 // health flags
1249 // ============
1250 // bit 0 (is to be ignored, if bit 1 is zero)
1251 _almanac_health = double(bitExtracted(int(healthflags), 1, 0));
1252 // bit 1
1253 _almanac_health_availablility_indicator =
1254 double(bitExtracted(int(healthflags), 1, 1));
1255 // bit 2; GLO-M/K only, health bit of string 3
1256 _M_l3 = double(bitExtracted(int(healthflags), 1, 2));
1257 }
1258 }
1259 else if (type() == t_eph::L1OC ||
1260 type() == t_eph::L3OC) {
1261 if ( readDbl(line, pos[0], fieldLen, _sat_type)
1262 || readDbl(line, pos[1], fieldLen, sourceflags)
1263 || readDbl(line, pos[2], fieldLen, _EE)
1264 || readDbl(line, pos[3], fieldLen, _ET)) {
1265 _checkState = bad;
1266 return;
1267 }
1268 // sourceflags:
[9367]1269 // ============
1270 // bit 0-1
[10587]1271 _RT = double(bitExtracted(int(sourceflags), 2, 0));
1272 // bit 2-3:
1273 _RE = double(bitExtracted(int(sourceflags), 2, 2));
1274 }
1275 }
1276 // =====================
1277 // BROADCAST ORBIT - 5
1278 // =====================
1279 else if (iLine == 5) {
1280 if (type() == t_eph::L1OC ||
1281 type() == t_eph::L3OC) {
1282 if ( readDbl(line, pos[0], fieldLen, _attitude_P2)
1283 || readDbl(line, pos[1], fieldLen, _Tin)
1284 || readDbl(line, pos[2], fieldLen, _tau1)
1285 || readDbl(line, pos[3], fieldLen, _tau2)) {
1286 _checkState = bad;
1287 return;
[9367]1288 }
[9892]1289 }
[10587]1290 }
1291 // =====================
1292 // BROADCAST ORBIT - 6
1293 // =====================
1294 else if (iLine == 6) {
1295 if (type() == t_eph::L1OC ||
1296 type() == t_eph::L3OC) {
1297 if ( readDbl(line, pos[0], fieldLen, _yaw)
1298 || readDbl(line, pos[1], fieldLen, _sn)
1299 || readDbl(line, pos[2], fieldLen, _angular_rate)
1300 || readDbl(line, pos[3], fieldLen, _angular_acc)) {
1301 _checkState = bad;
1302 return;
1303 }
[9892]1304 }
[10587]1305 }
1306 // =====================
1307 // BROADCAST ORBIT - 7
1308 // =====================
1309 else if (iLine == 7) {
1310 if (type() == t_eph::L1OC ||
1311 type() == t_eph::L3OC) {
1312 if ( readDbl(line, pos[0], fieldLen, _angular_rate_max)
1313 || readDbl(line, pos[1], fieldLen, _X_PC)
1314 || readDbl(line, pos[2], fieldLen, _Y_PC)
1315 || readDbl(line, pos[3], fieldLen, _Z_PC)) {
1316 _checkState = bad;
1317 return;
1318 }
[9367]1319 }
1320 }
[10587]1321 // =====================
1322 // BROADCAST ORBIT - 8
1323 // =====================
1324 else if (iLine == 8) {
1325 if (type() == t_eph::L1OC ||
1326 type() == t_eph::L3OC) {
1327 if ( readDbl(line, pos[0], fieldLen, _M_FE)
1328 || readDbl(line, pos[1], fieldLen, _M_FT)
1329 || readDbl(line, pos[3], fieldLen, _TOT)) {
1330 _checkState = bad;
1331 return;
1332 }
1333 }
1334 }
[6801]1335 }
1336
1337 // Initialize status vector
1338 // ------------------------
1339 _tt = _TOC;
[10577]1340 _xv.ReSize(6);
1341 _xv = 0.0;
[6801]1342 _xv(1) = _x_pos * 1.e3;
1343 _xv(2) = _y_pos * 1.e3;
1344 _xv(3) = _z_pos * 1.e3;
[10587]1345 _xv(4) = _x_vel * 1.e3;
1346 _xv(5) = _y_vel * 1.e3;
1347 _xv(6) = _z_vel * 1.e3;
[2221]1348}
1349
[6801]1350// Compute Glonass Satellite Position (virtual)
[2771]1351////////////////////////////////////////////////////////////////////////////
[10577]1352t_irc t_ephGlo::position(int GPSweek, double GPSweeks, double *xc,
1353 double *vv) const {
[2771]1354
[6801]1355 static const double nominalStep = 10.0;
[2771]1356
[10577]1357 memset(xc, 0, 6 * sizeof(double));
1358 memset(vv, 0, 3 * sizeof(double));
[2771]1359
[6801]1360 double dtPos = bncTime(GPSweek, GPSweeks) - _tt;
1361
[8698]1362 if (fabs(dtPos) > 24 * 3600.0) {
[6213]1363 return failure;
[2771]1364 }
1365
[10577]1366 int nSteps = int(fabs(dtPos) / nominalStep) + 1;
[6801]1367 double step = dtPos / nSteps;
[4018]1368
[6801]1369 double acc[3];
[10587]1370 acc[0] = _x_acc * 1.e3;
1371 acc[1] = _y_acc * 1.e3;
1372 acc[2] = _z_acc * 1.e3;
[9132]1373
[6801]1374 for (int ii = 1; ii <= nSteps; ii++) {
1375 _xv = rungeKutta4(_tt.gpssec(), _xv, step, acc, glo_deriv);
1376 _tt = _tt + step;
1377 }
[4018]1378
[6801]1379 // Position and Velocity
1380 // ---------------------
1381 xc[0] = _xv(1);
1382 xc[1] = _xv(2);
1383 xc[2] = _xv(3);
[2771]1384
[6801]1385 vv[0] = _xv(4);
1386 vv[1] = _xv(5);
1387 vv[2] = _xv(6);
[2771]1388
[6801]1389 // Clock Correction
1390 // ----------------
1391 double dtClk = bncTime(GPSweek, GPSweeks) - _TOC;
1392 xc[3] = -_tau + _gamma * dtClk;
[2771]1393
[8542]1394 xc[4] = _gamma;
1395 xc[5] = 0.0;
[8483]1396
[6213]1397 return success;
[2771]1398}
1399
[6801]1400// RINEX Format String
[3659]1401//////////////////////////////////////////////////////////////////////////////
[6801]1402QString t_ephGlo::toString(double version) const {
[3664]1403
[10587]1404 if (version < 4.0 &&
1405 (type() == t_eph::L1OC ||
1406 type() == t_eph::L3OC )) {
1407 return "";
1408 }
1409
1410 QString ephStr = typeStr(_type, _prn, version);
[10577]1411 QString rnxStr = ephStr + rinexDateStr(_TOC - _gps_utc, _prn, version);
1412 int nd = int((_TOC - _gps_utc).gpssec()) / (24.0 * 60.0 * 60.0);
[6801]1413 QTextStream out(&rnxStr);
[3664]1414
[10577]1415 out
[10587]1416 << QString("%1%2%3\n")
1417 .arg(-_tau, 19, 'e', 12)
1418 .arg(_gamma, 19, 'e', 12)
1419 .arg(_tki + nd * 86400.0, 19, 'e', 12);
[3668]1420
[6801]1421 QString fmt = version < 3.0 ? " %1%2%3%4\n" : " %1%2%3%4\n";
[9788]1422 // =====================
1423 // BROADCAST ORBIT - 1
1424 // =====================
[10577]1425 out
[10587]1426 << QString(fmt)
1427 .arg(_x_pos, 19, 'e', 12)
1428 .arg(_x_vel, 19, 'e', 12)
1429 .arg(_x_acc, 19, 'e', 12)
1430 .arg(_health, 19, 'e', 12);
1431
[9788]1432 // =====================
1433 // BROADCAST ORBIT - 2
1434 // =====================
[10587]1435 if (type() == t_eph::FDMA) {
1436 out
1437 << QString(fmt)
1438 .arg(_y_pos, 19, 'e', 12)
1439 .arg(_y_vel, 19, 'e', 12)
1440 .arg(_y_acc, 19, 'e', 12)
1441 .arg(_frq_num, 19, 'e', 12);
1442 }
1443 else { //L1OC, L3OC
1444 out
1445 << QString(fmt)
1446 .arg(_y_pos, 19, 'e', 12)
1447 .arg(_y_vel, 19, 'e', 12)
1448 .arg(_y_acc, 19, 'e', 12)
1449 .arg(double(_data_validity), 19, 'e', 12);
1450 }
[9788]1451 // =====================
1452 // BROADCAST ORBIT - 3
1453 // =====================
[10587]1454 if (type() == t_eph::FDMA) {
1455 out
1456 << QString(fmt)
1457 .arg(_z_pos, 19, 'e', 12)
1458 .arg(_z_vel, 19, 'e', 12)
1459 .arg(_z_acc, 19, 'e', 12)
1460 .arg(_E, 19, 'e', 12);
1461 }
1462 else if (type() == t_eph::L1OC) {
1463 out
1464 << QString(fmt)
1465 .arg(_z_pos, 19, 'e', 12)
1466 .arg(_z_vel, 19, 'e', 12)
1467 .arg(_z_acc, 19, 'e', 12)
1468 .arg(_TGD_L2OCp, 19, 'e', 12);
1469 }
1470 else if (type() == t_eph::L3OC) {
1471 out
1472 << QString(fmt)
1473 .arg(_z_pos, 19, 'e', 12)
1474 .arg(_z_vel, 19, 'e', 12)
1475 .arg(_z_acc, 19, 'e', 12)
1476 .arg(_TGD_L3OCp, 19, 'e', 12);
1477 }
[9367]1478 if (version >= 3.05) {
[10587]1479 // =====================
1480 // BROADCAST ORBIT - 4
1481 // =====================
1482 if (type() == t_eph::FDMA){
[9367]1483 int statusflags = 0;
[10587]1484 int healthflags = 0;
1485 if (!_statusflags_unknown ) {
1486 // bit 0-1
1487 if (_M_P == 1.0) {statusflags |= (1 << 0);}
1488 else if (_M_P == 2.0) {statusflags |= (1 << 1);}
1489 else if (_M_P == 3.0) {statusflags |= (1 << 0); statusflags |= (1 << 1);}
1490 // bit 2-3
1491 if (_P1 == 1.0) {statusflags |= (1 << 2);}
1492 else if (_P1 == 2.0) {statusflags |= (1 << 3);}
1493 else if (_P1 == 3.0) {statusflags |= (1 << 2); statusflags |= (1 << 3);}
1494 // bit 4
1495 if (_P2) {statusflags |= (1 << 4);}
1496 // bit 5
1497 if (_P3) {statusflags |= (1 << 5);}
1498 // bit 6
1499 if (_M_P4) {statusflags |= (1 << 6);}
1500 // bit 7-8
1501 if (_M_M == 1.0) {statusflags |= (1 << 7);}
[9367]1502 }
[10587]1503 if (!_healthflags_unknown) {
1504 // bit 0 (is to be ignored, if bit 1 is zero)
1505 if (_almanac_health) {healthflags |= (1 << 0);}
1506 // bit 1
1507 if (_almanac_health_availablility_indicator) {healthflags |= (1 << 1);}
1508 // bit 2
1509 if (_M_l3) {healthflags |= (1 << 2);}
[9367]1510 }
[10587]1511
1512 if (_statusflags_unknown && _healthflags_unknown) {
1513 out
1514 << QString(fmt)
1515 .arg("", 19, QChar(' ')) // status-flags BNK (unknown)
1516 .arg(_M_delta_tau, 19, 'e', 12)
1517 .arg(_M_FT, 19, 'e', 12)
1518 .arg("", 19, QChar(' '));// health-flags BNK (unknown)
[9367]1519 }
[10587]1520 else if (!_statusflags_unknown && _healthflags_unknown) {
1521 out
1522 << QString(fmt)
1523 .arg(double(statusflags), 19, 'e', 12)
1524 .arg(_M_delta_tau, 19, 'e', 12)
1525 .arg(_M_FT, 19, 'e', 12)
1526 .arg("", 19, QChar(' '));// health-flags BNK (unknown)
[9367]1527 }
[10587]1528 else if (_statusflags_unknown && !_healthflags_unknown) {
1529 out
1530 << QString(fmt)
1531 .arg("", 19, QChar(' ')) // status-flags BNK (unknown)
1532 .arg(_M_delta_tau, 19, 'e', 12)
1533 .arg(_M_FT, 19, 'e', 12)
1534 .arg(double(healthflags), 19, 'e', 12);
[9367]1535 }
[10587]1536 else if (!_statusflags_unknown && !_healthflags_unknown) {
1537 out
1538 << QString(fmt)
1539 .arg(double(statusflags), 19, 'e', 12)
1540 .arg(_M_delta_tau, 19, 'e', 12)
1541 .arg(_M_FT, 19, 'e', 12)
1542 .arg(double(healthflags), 19, 'e', 12);
1543 }
1544 }
1545 else if (type() == t_eph::L1OC ||
1546 type() == t_eph::L3OC) {
1547 int sourceflags = 0;
[9367]1548 // bit 0-1
[10587]1549 if (_RT == 1.0) {sourceflags |= (1 << 0);}
1550 else if (_RT == 2.0) {sourceflags |= (1 << 1);}
1551 else if (_RT == 3.0) {sourceflags |= (1 << 0); sourceflags |= (1 << 1);}
1552 // bit 2-3
1553 if (_RE == 1.0) {sourceflags |= (1 << 2);}
1554 else if (_RE == 2.0) {sourceflags |= (1 << 3);}
1555 else if (_RE == 3.0) {sourceflags |= (1 << 2); sourceflags |= (1 << 3);}
[10577]1556 out
[10587]1557 << QString(fmt)
1558 .arg(_sat_type , 19, 'e', 12)
1559 .arg(double(sourceflags), 19, 'e', 12)
1560 .arg(_ET, 19, 'e', 12)
1561 .arg(_EE, 19, 'e', 12);
[9367]1562 }
[10587]1563 // =====================
1564 // BROADCAST ORBIT - 5
1565 // =====================
1566 if (type() == t_eph::L1OC ||
1567 type() == t_eph::L3OC) {
1568 out
1569 << QString(fmt)
1570 .arg(_attitude_P2, 19, 'e', 12)
1571 .arg(_Tin, 19, 'e', 12)
1572 .arg(_tau1, 19, 'e', 12)
1573 .arg(_tau2, 19, 'e', 12);
1574 }
1575 // =====================
1576 // BROADCAST ORBIT - 6
1577 // =====================
1578 if (type() == t_eph::L1OC ||
1579 type() == t_eph::L3OC) {
1580 out
1581 << QString(fmt)
1582 .arg(_yaw, 19, 'e', 12)
1583 .arg(_sn, 19, 'e', 12)
1584 .arg(_angular_rate, 19, 'e', 12)
1585 .arg(_angular_acc, 19, 'e', 12);
1586 }
1587 // =====================
1588 // BROADCAST ORBIT - 7
1589 // =====================
1590 if (type() == t_eph::L1OC ||
1591 type() == t_eph::L3OC) {
1592 out
1593 << QString(fmt)
1594 .arg(_angular_rate_max, 19, 'e', 12)
1595 .arg(_X_PC, 19, 'e', 12)
1596 .arg(_Y_PC, 19, 'e', 12)
1597 .arg(_Z_PC, 19, 'e', 12);
1598 }
1599 // =====================
1600 // BROADCAST ORBIT - 8
1601 // =====================
1602 if (type() == t_eph::L1OC ||
1603 type() == t_eph::L3OC) {
1604 out
1605 << QString(fmt)
1606 .arg(_M_FE, 19, 'e', 12)
1607 .arg(_M_FT, 19, 'e', 12)
1608 .arg("", 19, QChar(' '))
1609 .arg(_TOT, 19, 'e', 12);
1610 }
[9367]1611 }
[6801]1612 return rnxStr;
[3659]1613}
1614
[6801]1615// Derivative of the state vector using a simple force model (static)
1616////////////////////////////////////////////////////////////////////////////
[10577]1617ColumnVector t_ephGlo::glo_deriv(double /* tt */, const ColumnVector &xv,
1618 double *acc) {
[3659]1619
[6801]1620 // State vector components
1621 // -----------------------
[10577]1622 ColumnVector rr = xv.rows(1, 3);
1623 ColumnVector vv = xv.rows(4, 6);
[3699]1624
[6801]1625 // Acceleration
[3699]1626 // ------------
[6801]1627 static const double gmWGS = 398.60044e12;
[10577]1628 static const double AE = 6378136.0;
[6801]1629 static const double OMEGA = 7292115.e-11;
[10577]1630 static const double C20 = -1082.6257e-6;
[3699]1631
[8903]1632 double rho = rr.NormFrobenius();
[10577]1633 double t1 = -gmWGS / (rho * rho * rho);
1634 double t2 = 3.0 / 2.0 * C20 * (gmWGS * AE * AE)
1635 / (rho * rho * rho * rho * rho);
1636 double t3 = OMEGA * OMEGA;
1637 double t4 = 2.0 * OMEGA;
1638 double z2 = rr(3) * rr(3);
[3699]1639
[6801]1640 // Vector of derivatives
1641 // ---------------------
1642 ColumnVector va(6);
1643 va(1) = vv(1);
1644 va(2) = vv(2);
1645 va(3) = vv(3);
[10577]1646 va(4) = (t1 + t2 * (1.0 - 5.0 * z2 / (rho * rho)) + t3) * rr(1) + t4 * vv(2)
1647 + acc[0];
1648 va(5) = (t1 + t2 * (1.0 - 5.0 * z2 / (rho * rho)) + t3) * rr(2) - t4 * vv(1)
1649 + acc[1];
1650 va(6) = (t1 + t2 * (3.0 - 5.0 * z2 / (rho * rho))) * rr(3) + acc[2];
[3699]1651
[6801]1652 return va;
1653}
[3699]1654
[6801]1655// IOD of Glonass Ephemeris (virtual)
1656////////////////////////////////////////////////////////////////////////////
[7169]1657unsigned int t_ephGlo::IOD() const {
[6801]1658 bncTime tMoscow = _TOC - _gps_utc + 3 * 3600.0;
[10577]1659 return (unsigned long) tMoscow.daysec() / 900;
[3659]1660}
1661
[8187]1662// Health status of Glonass Ephemeris (virtual)
1663////////////////////////////////////////////////////////////////////////////
1664unsigned int t_ephGlo::isUnhealthy() const {
[8215]1665
[8217]1666 if (_almanac_health_availablility_indicator) {
[10577]1667 if ((_health == 0 && _almanac_health == 0)
1668 || (_health == 1 && _almanac_health == 0)
1669 || (_health == 1 && _almanac_health == 1)) {
1670 return 1;
1671 }
1672 } else if (!_almanac_health_availablility_indicator) {
[8217]1673 if (_health) {
1674 return 1;
1675 }
1676 }
[8215]1677 return 0; /* (_health == 0 && _almanac_health == 1) or (_health == 0) */
[8187]1678}
1679
[3659]1680// Constructor
1681//////////////////////////////////////////////////////////////////////////////
[10577]1682t_ephGal::t_ephGal(double rnxVersion, const QStringList &lines) {
1683 int year, month, day, hour, min;
1684 double sec;
1685 QString prnStr;
[4891]1686 const int nLines = 8;
1687 if (lines.size() != nLines) {
[6518]1688 _checkState = bad;
[4891]1689 return;
1690 }
1691
1692 // RINEX Format
1693 // ------------
1694 int fieldLen = 19;
[6792]1695 double SVhealth = 0.0;
1696 double datasource = 0.0;
[6798]1697
[4891]1698 int pos[4];
[10577]1699 pos[0] = (rnxVersion <= 2.12) ? 3 : 4;
[4891]1700 pos[1] = pos[0] + fieldLen;
1701 pos[2] = pos[1] + fieldLen;
1702 pos[3] = pos[2] + fieldLen;
1703
1704 // Read eight lines
1705 // ----------------
1706 for (int iLine = 0; iLine < nLines; iLine++) {
1707 QString line = lines[iLine];
1708
[10577]1709 if (iLine == 0) {
[8204]1710 QTextStream in(line.left(pos[1]).toLatin1());
[7140]1711 QString n;
[6880]1712 in >> prnStr;
[7639]1713 if (prnStr.size() == 1 && prnStr[0] == 'E') {
[7139]1714 in >> n;
1715 prnStr.append(n);
[6880]1716 }
1717 in >> year >> month >> day >> hour >> min >> sec;
[10577]1718 if (year < 80) {
[4891]1719 year += 2000;
[10577]1720 } else if (year < 100) {
[4891]1721 year += 1900;
1722 }
1723
1724 _TOC.set(year, month, day, hour, min, sec);
1725
[10587]1726 if ( readDbl(line, pos[1], fieldLen, _clock_bias)
[10577]1727 || readDbl(line, pos[2], fieldLen, _clock_drift)
1728 || readDbl(line, pos[3], fieldLen, _clock_driftrate)) {
[6518]1729 _checkState = bad;
[4891]1730 return;
1731 }
1732 }
[9788]1733 // =====================
1734 // BROADCAST ORBIT - 1
1735 // =====================
[10577]1736 else if (iLine == 1) {
[10587]1737 if ( readDbl(line, pos[0], fieldLen, _IODnav)
[10577]1738 || readDbl(line, pos[1], fieldLen, _Crs)
1739 || readDbl(line, pos[2], fieldLen, _Delta_n)
1740 || readDbl(line, pos[3], fieldLen, _M0)) {
[6518]1741 _checkState = bad;
[4891]1742 return;
1743 }
1744 }
[9788]1745 // =====================
1746 // BROADCAST ORBIT - 2
1747 // =====================
[10577]1748 else if (iLine == 2) {
[10587]1749 if ( readDbl(line, pos[0], fieldLen, _Cuc)
[10577]1750 || readDbl(line, pos[1], fieldLen, _e)
1751 || readDbl(line, pos[2], fieldLen, _Cus)
1752 || readDbl(line, pos[3], fieldLen, _sqrt_A)) {
[6518]1753 _checkState = bad;
[4891]1754 return;
1755 }
1756 }
[9788]1757 // =====================
1758 // BROADCAST ORBIT - 3
1759 // =====================
[10577]1760 else if (iLine == 3) {
[10587]1761 if ( readDbl(line, pos[0], fieldLen, _TOEsec)
[10577]1762 || readDbl(line, pos[1], fieldLen, _Cic)
1763 || readDbl(line, pos[2], fieldLen, _OMEGA0)
1764 || readDbl(line, pos[3], fieldLen, _Cis)) {
[6518]1765 _checkState = bad;
[4891]1766 return;
1767 }
1768 }
[9788]1769 // =====================
1770 // BROADCAST ORBIT - 4
1771 // =====================
[10577]1772 else if (iLine == 4) {
[10587]1773 if ( readDbl(line, pos[0], fieldLen, _i0)
[10577]1774 || readDbl(line, pos[1], fieldLen, _Crc)
1775 || readDbl(line, pos[2], fieldLen, _omega)
1776 || readDbl(line, pos[3], fieldLen, _OMEGADOT)) {
[6518]1777 _checkState = bad;
[4891]1778 return;
1779 }
1780 }
[9788]1781 // =====================
1782 // BROADCAST ORBIT - 5
1783 // =====================
[10577]1784 else if (iLine == 5) {
[10587]1785 if ( readDbl(line, pos[0], fieldLen, _IDOT)
[10577]1786 || readDbl(line, pos[1], fieldLen, datasource)
1787 || readDbl(line, pos[2], fieldLen, _TOEweek)) {
[6518]1788 _checkState = bad;
[4891]1789 return;
[10587]1790 }
1791 else {
1792 if (bitExtracted(int(datasource), 1, 8)) {
[6812]1793 _fnav = true;
1794 _inav = false;
[10587]1795 /* set unused I/NAV values */
1796 _E5b_HS = 0.0;
1797 _E1B_HS = 0.0;
1798 _E1B_DataInvalid = false;
1799 _E5b_DataInvalid = false;
1800 // Source RINEX version < 4
1801 if (type() == t_eph::undefined) {
1802 _type = t_eph::FNAV;
1803 }
1804 }
1805 if (bitExtracted(int(datasource), 1, 9)) {
[6812]1806 _fnav = false;
1807 _inav = true;
[10587]1808 /* set unused F/NAV values */
1809 _E5a_HS = 0.0;
1810 _E5a_DataInvalid = false;
1811 // Source RINEX version < 4
1812 if (type() == t_eph::undefined) {
1813 _type = t_eph::INAV;
1814 }
[6792]1815 }
[10587]1816 // GAL week # in RINEX is aligned/identical to continuous GPS week # used in RINEX
1817 // but GST week # started at the first GPS roll-over (continuous GPS week 1024)
[6892]1818 _TOEweek -= 1024.0;
[4891]1819 }
1820 }
[9788]1821 // =====================
1822 // BROADCAST ORBIT - 6
1823 // =====================
[10577]1824 else if (iLine == 6) {
[10587]1825 if ( readDbl(line, pos[0], fieldLen, _SISA)
[10577]1826 || readDbl(line, pos[1], fieldLen, SVhealth)
1827 || readDbl(line, pos[2], fieldLen, _BGD_1_5A)
1828 || readDbl(line, pos[3], fieldLen, _BGD_1_5B)) {
[6518]1829 _checkState = bad;
[4891]1830 return;
[6792]1831 } else {
1832 // Bit 0
[10587]1833 _E1B_DataInvalid = bitExtracted(int(SVhealth), 1, 0);
[6792]1834 // Bit 1-2
[10587]1835 _E1B_HS = double(bitExtracted(int(SVhealth), 2, 1));
[6792]1836 // Bit 3
[10587]1837 _E5a_DataInvalid = bitExtracted(int(SVhealth), 1, 3);
[6792]1838 // Bit 4-5
[10587]1839 _E5a_HS = double(bitExtracted(int(SVhealth), 2, 4));
[6792]1840 // Bit 6
[10587]1841 _E5b_DataInvalid = bitExtracted(int(SVhealth), 1, 6);
[6792]1842 // Bit 7-8
[10587]1843 _E5b_HS = double(bitExtracted(int(SVhealth), 2, 7));
1844 if (_fnav) {
1845 _BGD_1_5B = 0.0;
1846 }
[6809]1847 if (prnStr.at(0) == 'E') {
[7140]1848 _prn.set('E', prnStr.mid(1).toInt(), _inav ? 1 : 0);
[6809]1849 }
[4891]1850 }
1851 }
[9788]1852 // =====================
1853 // BROADCAST ORBIT - 7
1854 // =====================
[10577]1855 else if (iLine == 7) {
1856 if (readDbl(line, pos[0], fieldLen, _TOT)) {
[6518]1857 _checkState = bad;
[4891]1858 return;
1859 }
1860 }
1861 }
[3659]1862}
[4013]1863
[6801]1864// Compute Galileo Satellite Position (virtual)
1865////////////////////////////////////////////////////////////////////////////
[10577]1866t_irc t_ephGal::position(int GPSweek, double GPSweeks, double *xc,
1867 double *vv) const {
[4013]1868
[6801]1869 static const double omegaEarth = 7292115.1467e-11;
[8212]1870 static const double gmWGS = 398.6004418e12;
[4023]1871
[10577]1872 memset(xc, 0, 6 * sizeof(double));
1873 memset(vv, 0, 3 * sizeof(double));
[4023]1874
[6801]1875 double a0 = _sqrt_A * _sqrt_A;
1876 if (a0 == 0) {
1877 return failure;
1878 }
[4023]1879
[10577]1880 double n0 = sqrt(gmWGS / (a0 * a0 * a0));
[4023]1881
[6801]1882 bncTime tt(GPSweek, GPSweeks);
1883 double tk = tt - bncTime(_TOC.gpsw(), _TOEsec);
[4023]1884
[10577]1885 double n = n0 + _Delta_n;
1886 double M = _M0 + n * tk;
1887 double E = M;
[6801]1888 double E_last;
[10577]1889 int nLoop = 0;
[6801]1890 do {
1891 E_last = E;
[10577]1892 E = M + _e * sin(E);
[8368]1893
1894 if (++nLoop == 100) {
1895 return failure;
1896 }
[10577]1897 } while (fabs(E - E_last) * a0 > 0.001);
1898 double v = 2.0 * atan(sqrt((1.0 + _e) / (1.0 - _e)) * tan(E / 2));
1899 double u0 = v + _omega;
1900 double sin2u0 = sin(2 * u0);
1901 double cos2u0 = cos(2 * u0);
1902 double r = a0 * (1 - _e * cos(E)) + _Crc * cos2u0 + _Crs * sin2u0;
1903 double i = _i0 + _IDOT * tk + _Cic * cos2u0 + _Cis * sin2u0;
1904 double u = u0 + _Cuc * cos2u0 + _Cus * sin2u0;
1905 double xp = r * cos(u);
1906 double yp = r * sin(u);
1907 double OM = _OMEGA0 + (_OMEGADOT - omegaEarth) * tk - omegaEarth * _TOEsec;
[4023]1908
[6801]1909 double sinom = sin(OM);
1910 double cosom = cos(OM);
[10577]1911 double sini = sin(i);
1912 double cosi = cos(i);
1913 xc[0] = xp * cosom - yp * cosi * sinom;
1914 xc[1] = xp * sinom + yp * cosi * cosom;
1915 xc[2] = yp * sini;
[4023]1916
[6801]1917 double tc = tt - _TOC;
[10577]1918 xc[3] = _clock_bias + _clock_drift * tc + _clock_driftrate * tc * tc;
[4023]1919
[6801]1920 // Velocity
1921 // --------
[10577]1922 double tanv2 = tan(v / 2);
1923 double dEdM = 1 / (1 - _e * cos(E));
1924 double dotv = sqrt((1.0 + _e) / (1.0 - _e)) / cos(E / 2) / cos(E / 2)
1925 / (1 + tanv2 * tanv2) * dEdM * n;
1926 double dotu = dotv + (-_Cuc * sin2u0 + _Cus * cos2u0) * 2 * dotv;
[6801]1927 double dotom = _OMEGADOT - omegaEarth;
[10577]1928 double doti = _IDOT + (-_Cic * sin2u0 + _Cis * cos2u0) * 2 * dotv;
1929 double dotr = a0 * _e * sin(E) * dEdM * n
1930 + (-_Crc * sin2u0 + _Crs * cos2u0) * 2 * dotv;
1931 double dotx = dotr * cos(u) - r * sin(u) * dotu;
1932 double doty = dotr * sin(u) + r * cos(u) * dotu;
[4023]1933
[10577]1934 vv[0] = cosom * dotx - cosi * sinom * doty // dX / dr
1935 - xp * sinom * dotom - yp * cosi * cosom * dotom // dX / dOMEGA
1936 + yp * sini * sinom * doti; // dX / di
[6801]1937
[10577]1938 vv[1] = sinom * dotx + cosi * cosom * doty + xp * cosom * dotom
1939 - yp * cosi * sinom * dotom - yp * sini * cosom * doti;
[6801]1940
[10577]1941 vv[2] = sini * doty + yp * cosi * doti;
[6801]1942
1943 // Relativistic Correction
1944 // -----------------------
[10577]1945 xc[3] -= 4.442807309e-10 * _e * sqrt(a0) * sin(E);
[6801]1946
[10577]1947 xc[4] = _clock_drift + _clock_driftrate * tc;
[8542]1948 xc[5] = _clock_driftrate;
[8581]1949
[6801]1950 return success;
[4023]1951}
1952
[8187]1953// Health status of Galileo Ephemeris (virtual)
1954////////////////////////////////////////////////////////////////////////////
1955unsigned int t_ephGal::isUnhealthy() const {
[10587]1956 // SHS; 1 = Out of Service, 3 = In Test, 0 = Signal Ok, 2 = Extended Operations Mode
1957 if (_E5a_HS == 1 || _E5a_HS == 3 ||
1958 _E5b_HS == 1 || _E5b_HS == 3 ||
1959 _E1B_HS == 1 || _E1B_HS == 3) {
[8187]1960 return 1;
1961 }
[10587]1962 if (_E5a_DataInvalid ||
1963 _E5b_DataInvalid ||
1964 _E1B_DataInvalid) {
[10562]1965 return 1;
1966 }
[10587]1967 if (_SISA == 255.0) { // NAPA: No Accuracy Prediction Available
[10315]1968 return 1;
1969 }
[10562]1970 /*
1971 * SDD v1.3: SHS=2 leads to a newly-defined "EOM" status.
1972 * It also means that the satellite signal may be used for PNT.
[10577]1973 if (_E5aHS == 2 ||
[10587]1974 _E5bHS == 2 ||
1975 _E1_bHS == 2 ) {
1976 return 1;
[10577]1977 }
1978 */
[8187]1979 return 0;
[10587]1980
[8187]1981}
1982
[4023]1983// RINEX Format String
1984//////////////////////////////////////////////////////////////////////////////
1985QString t_ephGal::toString(double version) const {
1986
[10587]1987 QString ephStr = typeStr(_type, _prn, version);
[10577]1988 QString rnxStr = ephStr + rinexDateStr(_TOC, _prn, version);
[4023]1989
1990 QTextStream out(&rnxStr);
1991
[10577]1992 out
1993 << QString("%1%2%3\n").arg(_clock_bias, 19, 'e', 12).arg(_clock_drift, 19,
1994 'e', 12).arg(_clock_driftrate, 19, 'e', 12);
[4023]1995
1996 QString fmt = version < 3.0 ? " %1%2%3%4\n" : " %1%2%3%4\n";
[9788]1997 // =====================
1998 // BROADCAST ORBIT - 1
1999 // =====================
[10577]2000 out
[10587]2001 << QString(fmt)
2002 .arg(_IODnav, 19, 'e', 12)
2003 .arg(_Crs, 19, 'e', 12)
2004 .arg(_Delta_n, 19, 'e', 12)
2005 .arg(_M0, 19, 'e', 12);
[9788]2006 // =====================
2007 // BROADCAST ORBIT - 2
2008 // =====================
[10577]2009 out
[10587]2010 << QString(fmt)
2011 .arg(_Cuc, 19, 'e', 12).
2012 arg(_e, 19, 'e', 12)
2013 .arg(_Cus, 19, 'e', 12)
2014 .arg(_sqrt_A, 19, 'e', 12);
[9788]2015 // =====================
2016 // BROADCAST ORBIT - 3
2017 // =====================
[10577]2018 out
[10587]2019 << QString(fmt).
2020 arg(_TOEsec, 19, 'e', 12)
2021 .arg(_Cic, 19, 'e', 12)
2022 .arg(_OMEGA0, 19, 'e', 12)
2023 .arg(_Cis, 19, 'e', 12);
[9788]2024 // =====================
2025 // BROADCAST ORBIT - 4
2026 // =====================
[10577]2027 out
[10587]2028 << QString(fmt)
2029 .arg(_i0, 19, 'e', 12)
2030 .arg(_Crc, 19, 'e', 12)
2031 .arg(_omega, 19, 'e', 12)
2032 .arg(_OMEGADOT, 19, 'e', 12);
[9788]2033 // =====================
[10587]2034 // BROADCAST ORBIT - 5/6
[9788]2035 // =====================
[10577]2036 int dataSource = 0;
2037 int SVhealth = 0;
2038 double BGD_1_5A = _BGD_1_5A;
2039 double BGD_1_5B = _BGD_1_5B;
[6812]2040 if (_fnav) {
[10577]2041 dataSource |= (1 << 1);
2042 dataSource |= (1 << 8);
[6792]2043 BGD_1_5B = 0.0;
2044 // SVhealth
2045 // Bit 3 : E5a DVS
[10587]2046 if (_E5a_DataInvalid) {
[10577]2047 SVhealth |= (1 << 3);
[6792]2048 }
2049 // Bit 4-5: E5a HS
[10587]2050 if (_E5a_HS == 1.0) {
[10577]2051 SVhealth |= (1 << 4);
[10587]2052 }
2053 else if (_E5a_HS == 2.0) {
[10577]2054 SVhealth |= (1 << 5);
[10587]2055 }
2056 else if (_E5a_HS == 3.0) {
[10577]2057 SVhealth |= (1 << 4);
2058 SVhealth |= (1 << 5);
[6792]2059 }
[10577]2060 } else if (_inav) {
[6803]2061 // Bit 2 and 0 are set because from MT1046 the data source cannot be determined
2062 // and RNXv3.03 says both can be set if the navigation messages were merged
[10577]2063 dataSource |= (1 << 0);
2064 dataSource |= (1 << 2);
2065 dataSource |= (1 << 9);
[6792]2066 // SVhealth
2067 // Bit 0 : E1-B DVS
[10587]2068 if (_E1B_DataInvalid) {
[10577]2069 SVhealth |= (1 << 0);
[6792]2070 }
2071 // Bit 1-2: E1-B HS
[10587]2072 if (_E1B_HS == 1.0) {
[10577]2073 SVhealth |= (1 << 1);
[10587]2074 }
2075 else if (_E1B_HS == 2.0) {
[10577]2076 SVhealth |= (1 << 2);
[10587]2077 }
2078 else if (_E1B_HS == 3.0) {
[10577]2079 SVhealth |= (1 << 1);
2080 SVhealth |= (1 << 2);
[6792]2081 }
2082 // Bit 6 : E5b DVS
[10587]2083 if (_E5b_DataInvalid) {
[10577]2084 SVhealth |= (1 << 6);
[6792]2085 }
2086 // Bit 7-8: E5b HS
[10587]2087 if (_E5b_HS == 1.0) {
[10577]2088 SVhealth |= (1 << 7);
[10587]2089 }
2090 else if (_E5b_HS == 2.0) {
[10577]2091 SVhealth |= (1 << 8);
[10587]2092 }
2093 else if (_E5b_HS == 3.0) {
[10577]2094 SVhealth |= (1 << 7);
2095 SVhealth |= (1 << 8);
[6792]2096 }
[5539]2097 }
[10587]2098 // =====================
2099 // BROADCAST ORBIT - 5
2100 // =====================
[10577]2101 out
[10587]2102 << QString(fmt)
2103 .arg(_IDOT, 19, 'e', 12)
2104 .arg(double(dataSource), 19, 'e', 12)
2105 .arg(_TOEweek + 1024.0, 19, 'e', 12)
2106 .arg(0.0, 19, 'e', 12);
[9788]2107 // =====================
2108 // BROADCAST ORBIT - 6
2109 // =====================
[10577]2110 out
[10587]2111 << QString(fmt)
2112 .arg(_SISA, 19, 'e', 12)
2113 .arg(double(SVhealth), 19, 'e', 12)
2114 .arg(BGD_1_5A, 19, 'e', 12)
2115 .arg(BGD_1_5B, 19, 'e', 12);
[9788]2116 // =====================
2117 // BROADCAST ORBIT - 7
2118 // =====================
[7922]2119 double tot = _TOT;
2120 if (tot == 0.9999e9 && version < 3.0) {
2121 tot = 0.0;
2122 }
[10577]2123 out
[10587]2124 << QString(fmt)
2125 .arg(tot, 19, 'e', 12)
2126 .arg("", 19, QChar(' '))
2127 .arg("", 19, QChar(' '))
2128 .arg("", 19, QChar(' '));
[4023]2129
2130 return rnxStr;
2131}
2132
[6385]2133// Constructor
2134//////////////////////////////////////////////////////////////////////////////
[10577]2135t_ephSBAS::t_ephSBAS(double rnxVersion, const QStringList &lines) {
[6390]2136
2137 const int nLines = 4;
2138
[10587]2139 // Source RINEX version < 4
2140 if (type() == t_eph::undefined) {
2141 _type = t_eph::SBASL1;
2142 }
2143
[6390]2144 if (lines.size() != nLines) {
[6518]2145 _checkState = bad;
[6390]2146 return;
2147 }
2148
2149 // RINEX Format
2150 // ------------
2151 int fieldLen = 19;
2152
2153 int pos[4];
[10577]2154 pos[0] = (rnxVersion <= 2.12) ? 3 : 4;
[6390]2155 pos[1] = pos[0] + fieldLen;
2156 pos[2] = pos[1] + fieldLen;
2157 pos[3] = pos[2] + fieldLen;
2158
2159 // Read four lines
2160 // ---------------
2161 for (int iLine = 0; iLine < nLines; iLine++) {
2162 QString line = lines[iLine];
2163
[10577]2164 if (iLine == 0) {
[8204]2165 QTextStream in(line.left(pos[1]).toLatin1());
[6390]2166
[10577]2167 int year, month, day, hour, min;
[6390]2168 double sec;
[6880]2169
[7139]2170 QString prnStr, n;
[6880]2171 in >> prnStr;
[7639]2172 if (prnStr.size() == 1 && prnStr[0] == 'S') {
[7139]2173 in >> n;
2174 prnStr.append(n);
[6880]2175 }
2176 in >> year >> month >> day >> hour >> min >> sec;
[6390]2177 if (prnStr.at(0) == 'S') {
2178 _prn.set('S', prnStr.mid(1).toInt());
[10577]2179 } else {
[6390]2180 _prn.set('S', prnStr.toInt());
2181 }
2182
[10577]2183 if (year < 80) {
[6390]2184 year += 2000;
[10577]2185 } else if (year < 100) {
[6390]2186 year += 1900;
2187 }
2188
2189 _TOC.set(year, month, day, hour, min, sec);
2190
[10587]2191 if ( readDbl(line, pos[1], fieldLen, _agf0)
[10577]2192 || readDbl(line, pos[2], fieldLen, _agf1)
2193 || readDbl(line, pos[3], fieldLen, _TOT)) {
[6518]2194 _checkState = bad;
[6390]2195 return;
2196 }
2197 }
[9788]2198 // =====================
2199 // BROADCAST ORBIT - 1
2200 // =====================
[10577]2201 else if (iLine == 1) {
[10587]2202 if ( readDbl(line, pos[0], fieldLen, _x_pos)
2203 || readDbl(line, pos[1], fieldLen, _x_vel)
2204 || readDbl(line, pos[2], fieldLen, _x_acc)
[10577]2205 || readDbl(line, pos[3], fieldLen, _health)) {
[6518]2206 _checkState = bad;
[6390]2207 return;
2208 }
2209 }
[9788]2210 // =====================
2211 // BROADCAST ORBIT - 2
2212 // =====================
[10577]2213 else if (iLine == 2) {
[10587]2214 if ( readDbl(line, pos[0], fieldLen, _y_pos)
2215 || readDbl(line, pos[1], fieldLen, _y_vel)
2216 || readDbl(line, pos[2], fieldLen, _y_acc)
[10577]2217 || readDbl(line, pos[3], fieldLen, _ura)) {
[6518]2218 _checkState = bad;
[6390]2219 return;
2220 }
2221 }
[9788]2222 // =====================
2223 // BROADCAST ORBIT - 3
2224 // =====================
[10577]2225 else if (iLine == 3) {
[6536]2226 double iodn;
[10587]2227 if ( readDbl(line, pos[0], fieldLen, _z_pos)
2228 || readDbl(line, pos[1], fieldLen, _z_vel)
2229 || readDbl(line, pos[2], fieldLen, _z_acc)
[10577]2230 || readDbl(line, pos[3], fieldLen, iodn)) {
[6518]2231 _checkState = bad;
[6390]2232 return;
[6891]2233 } else {
[6536]2234 _IODN = int(iodn);
[6390]2235 }
2236 }
2237 }
[10577]2238 _x_pos *= 1.e3;
2239 _y_pos *= 1.e3;
2240 _z_pos *= 1.e3;
[10587]2241 _x_vel *= 1.e3;
2242 _y_vel *= 1.e3;
2243 _z_vel *= 1.e3;
2244 _x_acc *= 1.e3;
2245 _y_acc *= 1.e3;
2246 _z_acc *= 1.e3;
[6385]2247}
2248
[7054]2249// IOD of SBAS Ephemeris (virtual)
2250////////////////////////////////////////////////////////////////////////////
2251
[7169]2252unsigned int t_ephSBAS::IOD() const {
[7054]2253 unsigned char buffer[80];
2254 int size = 0;
2255 int numbits = 0;
2256 long long bitbuffer = 0;
2257 unsigned char *startbuffer = buffer;
2258
2259 SBASADDBITSFLOAT(30, this->_x_pos, 0.08)
2260 SBASADDBITSFLOAT(30, this->_y_pos, 0.08)
2261 SBASADDBITSFLOAT(25, this->_z_pos, 0.4)
[10587]2262 SBASADDBITSFLOAT(17, this->_x_vel, 0.000625)
2263 SBASADDBITSFLOAT(17, this->_y_vel, 0.000625)
2264 SBASADDBITSFLOAT(18, this->_z_vel, 0.004)
2265 SBASADDBITSFLOAT(10, this->_x_acc, 0.0000125)
2266 SBASADDBITSFLOAT(10, this->_y_acc, 0.0000125)
2267 SBASADDBITSFLOAT(10, this->_z_acc, 0.0000625)
[10577]2268 SBASADDBITSFLOAT(12, this->_agf0,
2269 1.0 / static_cast<double>(1 << 30) / static_cast<double>(1 << 1))
2270 SBASADDBITSFLOAT(8, this->_agf1,
2271 1.0 / static_cast<double>(1 << 30) / static_cast<double>(1 << 10))
2272 SBASADDBITS(5, 0); // the last byte is filled by 0-bits to obtain a length of an integer multiple of 8
[7054]2273
2274 return CRC24(size, startbuffer);
2275}
2276
[6385]2277// Compute SBAS Satellite Position (virtual)
2278////////////////////////////////////////////////////////////////////////////
[10577]2279t_irc t_ephSBAS::position(int GPSweek, double GPSweeks, double *xc,
2280 double *vv) const {
[6386]2281
2282 bncTime tt(GPSweek, GPSweeks);
[10577]2283 double dt = tt - _TOC;
[6386]2284
[10587]2285 xc[0] = _x_pos + _x_vel * dt + _x_acc * dt * dt / 2.0;
2286 xc[1] = _y_pos + _y_vel * dt + _y_acc * dt * dt / 2.0;
2287 xc[2] = _z_pos + _z_vel * dt + _z_acc * dt * dt / 2.0;
[6386]2288
[10587]2289 vv[0] = _x_vel + _x_acc * dt;
2290 vv[1] = _y_vel + _y_acc * dt;
2291 vv[2] = _z_vel + _z_acc * dt;
[6386]2292
2293 xc[3] = _agf0 + _agf1 * dt;
2294
[8542]2295 xc[4] = _agf1;
2296 xc[5] = 0.0;
[8483]2297
[6386]2298 return success;
[6385]2299}
2300
[9774]2301// Health status of SBAS Ephemeris (virtual)
2302////////////////////////////////////////////////////////////////////////////
2303unsigned int t_ephSBAS::isUnhealthy() const {
2304
2305 // Bit 5
[10577]2306 bool URAindexIs15 = (int(_health) & (1 << 5));
[9774]2307 if (URAindexIs15) {
2308 // in this case it is recommended
2309 // to set the bits 0,1,2,3 to 1 (MT17health = 15)
2310 return 1;
2311 }
2312
2313 // Bit 0-3
[10577]2314 int MT17health = (int(_health)) & (0x0f);
[9774]2315 if (MT17health) {
2316 return 1;
2317 }
2318
2319 // Bit 4
2320 // bool MT17HealthIsUnavailable = (int(_health) & (1<<4));
2321 // is not used because the MT17health bits can be independently set if URA index is 15
2322
2323 return 0;
2324}
2325
[6385]2326// RINEX Format String
2327//////////////////////////////////////////////////////////////////////////////
[6388]2328QString t_ephSBAS::toString(double version) const {
2329
[10587]2330 QString ephStr = typeStr(_type, _prn, version);
[10577]2331 QString rnxStr = ephStr + rinexDateStr(_TOC, _prn, version);
[6388]2332
2333 QTextStream out(&rnxStr);
2334
[10577]2335 out
[10587]2336 << QString("%1%2%3\n")
2337 .arg(_agf0, 19, 'e', 12)
2338 .arg(_agf1, 19, 'e', 12)
2339 .arg(_TOT, 19, 'e', 12);
[6388]2340
2341 QString fmt = version < 3.0 ? " %1%2%3%4\n" : " %1%2%3%4\n";
[9788]2342 // =====================
2343 // BROADCAST ORBIT - 1
2344 // =====================
[10577]2345 out
[10587]2346 << QString(fmt)
2347 .arg(1.e-3 * _x_pos, 19, 'e', 12)
2348 .arg(1.e-3 * _x_vel, 19, 'e', 12)
2349 .arg(1.e-3 * _x_acc, 19, 'e', 12)
2350 .arg(_health, 19, 'e', 12);
[9788]2351 // =====================
2352 // BROADCAST ORBIT - 2
2353 // =====================
[10577]2354 out
[10587]2355 << QString(fmt)
2356 .arg(1.e-3 * _y_pos, 19, 'e', 12)
2357 .arg(1.e-3 * _y_vel, 19, 'e', 12)
2358 .arg(1.e-3 * _y_acc, 19, 'e', 12)
2359 .arg(_ura, 19, 'e', 12);
[9788]2360 // =====================
2361 // BROADCAST ORBIT - 3
2362 // =====================
[10577]2363 out
[10587]2364 << QString(fmt)
2365 .arg(1.e-3 * _z_pos, 19, 'e', 12)
2366 .arg(1.e-3 * _z_vel, 19, 'e', 12)
2367 .arg(1.e-3 * _z_acc, 19, 'e', 12)
2368 .arg(double(_IODN), 19, 'e', 12);
[6388]2369
2370 return rnxStr;
[6385]2371}
[6400]2372
2373// Constructor
2374//////////////////////////////////////////////////////////////////////////////
[10577]2375t_ephBDS::t_ephBDS(double rnxVersion, const QStringList &lines) {
[6400]2376
[9788]2377 int nLines = 8;
[6400]2378
[10587]2379 if (type() == t_eph::CNV1 ||
2380 type() == t_eph::CNV2) {
[9788]2381 nLines += 2;
2382 }
[10587]2383 if (type() == t_eph::CNV3) {
[9788]2384 nLines += 1;
2385 }
2386
[6400]2387 if (lines.size() != nLines) {
[6518]2388 _checkState = bad;
[6400]2389 return;
2390 }
2391
2392 // RINEX Format
2393 // ------------
2394 int fieldLen = 19;
2395
2396 int pos[4];
[10577]2397 pos[0] = (rnxVersion <= 2.12) ? 3 : 4;
[6400]2398 pos[1] = pos[0] + fieldLen;
2399 pos[2] = pos[1] + fieldLen;
2400 pos[3] = pos[2] + fieldLen;
2401
2402 // Read eight lines
2403 // ----------------
2404 for (int iLine = 0; iLine < nLines; iLine++) {
2405 QString line = lines[iLine];
2406
[10577]2407 if (iLine == 0) {
[8204]2408 QTextStream in(line.left(pos[1]).toLatin1());
[6400]2409
[10577]2410 int year, month, day, hour, min;
[6400]2411 double sec;
[6880]2412
[7139]2413 QString prnStr, n;
[6880]2414 in >> prnStr;
[7639]2415 if (prnStr.size() == 1 && prnStr[0] == 'C') {
[7139]2416 in >> n;
2417 prnStr.append(n);
[6880]2418 }
2419 in >> year >> month >> day >> hour >> min >> sec;
[6400]2420 if (prnStr.at(0) == 'C') {
2421 _prn.set('C', prnStr.mid(1).toInt());
[10577]2422 } else {
[6400]2423 _prn.set('C', prnStr.toInt());
2424 }
2425
[10577]2426 if (year < 80) {
[6400]2427 year += 2000;
[10577]2428 } else if (year < 100) {
[6400]2429 year += 1900;
2430 }
2431
[6812]2432 _TOC.setBDS(year, month, day, hour, min, sec);
[6400]2433
[10587]2434 if ( readDbl(line, pos[1], fieldLen, _clock_bias)
[10577]2435 || readDbl(line, pos[2], fieldLen, _clock_drift)
2436 || readDbl(line, pos[3], fieldLen, _clock_driftrate)) {
[6518]2437 _checkState = bad;
[6400]2438 return;
2439 }
2440 }
[9788]2441 // =====================
2442 // BROADCAST ORBIT - 1
2443 // =====================
[10577]2444 else if (iLine == 1) {
[10587]2445 if (type() == t_eph::D1 ||
2446 type() == t_eph::D2 ||
2447 type() == t_eph::undefined) {
2448 double aode;
2449 if ( readDbl(line, pos[0], fieldLen, aode)
2450 || readDbl(line, pos[1], fieldLen, _Crs)
2451 || readDbl(line, pos[2], fieldLen, _Delta_n)
2452 || readDbl(line, pos[3], fieldLen, _M0)) {
2453 _checkState = bad;
2454 return;
2455 }
2456 _AODE = int(aode);
[6400]2457 }
[10587]2458 else { //CNV1, CNV2, CNV3
2459 if ( readDbl(line, pos[0], fieldLen, _ADOT)
2460 || readDbl(line, pos[1], fieldLen, _Crs)
2461 || readDbl(line, pos[2], fieldLen, _Delta_n)
2462 || readDbl(line, pos[3], fieldLen, _M0)) {
2463 _checkState = bad;
2464 return;
2465 }
2466 }
[6400]2467 }
[9788]2468 // =====================
2469 // BROADCAST ORBIT - 2
2470 // =====================
[10577]2471 else if (iLine == 2) {
[10587]2472 if ( readDbl(line, pos[0], fieldLen, _Cuc)
[10577]2473 || readDbl(line, pos[1], fieldLen, _e)
2474 || readDbl(line, pos[2], fieldLen, _Cus)
2475 || readDbl(line, pos[3], fieldLen, _sqrt_A)) {
[6518]2476 _checkState = bad;
[6400]2477 return;
2478 }
2479 }
[9788]2480 // =====================
2481 // BROADCAST ORBIT - 3
2482 // =====================
[10577]2483 else if (iLine == 3) {
[10587]2484 if ( readDbl(line, pos[0], fieldLen, _TOEsec)
[10577]2485 || readDbl(line, pos[1], fieldLen, _Cic)
2486 || readDbl(line, pos[2], fieldLen, _OMEGA0)
2487 || readDbl(line, pos[3], fieldLen, _Cis)) {
[6518]2488 _checkState = bad;
[6400]2489 return;
2490 }
2491 }
[9788]2492 // =====================
2493 // BROADCAST ORBIT - 4
2494 // =====================
[10577]2495 else if (iLine == 4) {
[10587]2496 if ( readDbl(line, pos[0], fieldLen, _i0)
[10577]2497 || readDbl(line, pos[1], fieldLen, _Crc)
2498 || readDbl(line, pos[2], fieldLen, _omega)
2499 || readDbl(line, pos[3], fieldLen, _OMEGADOT)) {
[6518]2500 _checkState = bad;
[6400]2501 return;
2502 }
[10587]2503 else {
2504 // Source RINEX version < 4
2505 if (type() == t_eph::undefined) {
2506 const double iMaxGEO = 10.0 / 180.0 * M_PI;
2507 if (_i0 > iMaxGEO) {
2508 _type = t_eph::D1;
2509 }
2510 else {
2511 _type = t_eph::D2;
2512 }
2513 }
2514 }
[6400]2515 }
[9788]2516 // =====================
2517 // BROADCAST ORBIT - 5
2518 // =====================
[10577]2519 else if (iLine == 5) {
[10587]2520 if (type() == t_eph::CNV1 ||
2521 type() == t_eph::CNV2 ||
2522 type() == t_eph::CNV3) {
2523 if ( readDbl(line, pos[0], fieldLen, _IDOT)
[10577]2524 || readDbl(line, pos[1], fieldLen, _Delta_n_dot)
2525 || readDbl(line, pos[2], fieldLen, _satType)
2526 || readDbl(line, pos[3], fieldLen, _top)) {
[9788]2527 _checkState = bad;
2528 return;
2529 }
[10587]2530 }
2531 else { // D1, D2
2532 if ( readDbl(line, pos[0], fieldLen, _IDOT)
[10577]2533 || readDbl(line, pos[2], fieldLen, _BDTweek)) {
[9788]2534 _checkState = bad;
2535 return;
2536 }
2537 }
[6400]2538 }
[9788]2539 // =====================
2540 // BROADCAST ORBIT - 6
2541 // =====================
[10577]2542 else if (iLine == 6) {
[10587]2543 if (type() == t_eph::CNV1 ||
2544 type() == t_eph::CNV2 ||
2545 type() == t_eph::CNV3) {
2546 if ( readDbl(line, pos[0], fieldLen, _SISAI_oe)
[10577]2547 || readDbl(line, pos[1], fieldLen, _SISAI_ocb)
2548 || readDbl(line, pos[2], fieldLen, _SISAI_oc1)
2549 || readDbl(line, pos[3], fieldLen, _SISAI_oc2)) {
[9788]2550 _checkState = bad;
2551 return;
2552 }
[10587]2553 }
2554 else { // D1, D2
[9788]2555 double SatH1;
[10587]2556 if ( readDbl(line, pos[0], fieldLen, _ura)
[10577]2557 || readDbl(line, pos[1], fieldLen, SatH1)
2558 || readDbl(line, pos[2], fieldLen, _TGD1)
2559 || readDbl(line, pos[3], fieldLen, _TGD2)) {
[9788]2560 _checkState = bad;
2561 return;
2562 }
2563 _SatH1 = int(SatH1);
2564 }
[6400]2565 }
[9788]2566 // =====================
2567 // BROADCAST ORBIT - 7
2568 // =====================
[10577]2569 else if (iLine == 7) {
[10587]2570 if (type() == t_eph::CNV1) {
2571 if ( readDbl(line, pos[0], fieldLen, _ISC_B1Cd)
[10577]2572 || readDbl(line, pos[2], fieldLen, _TGD_B1Cp)
2573 || readDbl(line, pos[3], fieldLen, _TGD_B2ap)) {
[9788]2574 _checkState = bad;
2575 return;
2576 }
[10587]2577 }
2578 else if (type() == t_eph::CNV2) {
2579 if ( readDbl(line, pos[1], fieldLen, _ISC_B2ad)
[10577]2580 || readDbl(line, pos[2], fieldLen, _TGD_B1Cp)
2581 || readDbl(line, pos[3], fieldLen, _TGD_B2ap)) {
[9788]2582 _checkState = bad;
2583 return;
2584 }
[10587]2585 }
2586 else if (type() == t_eph::CNV3) {
[9789]2587 double health;
[10587]2588 if ( readDbl(line, pos[0], fieldLen, _SISMAI)
[10577]2589 || readDbl(line, pos[1], fieldLen, health)
2590 || readDbl(line, pos[2], fieldLen, _INTEGRITYF_B2b)
2591 || readDbl(line, pos[3], fieldLen, _TGD_B2bI)) {
[9788]2592 _checkState = bad;
2593 return;
2594 }
[9789]2595 _health = int(health);
[10587]2596 }
2597 else { // D1, D2
[9788]2598 double aodc;
[10587]2599 if ( readDbl(line, pos[0], fieldLen, _TOT)
[10577]2600 || readDbl(line, pos[1], fieldLen, aodc)) {
[9788]2601 _checkState = bad;
2602 return;
2603 }
2604 if (_TOT == 0.9999e9) { // 0.9999e9 means not known (RINEX standard)
2605 _TOT = _TOEsec;
2606 }
2607 _AODC = int(aodc);
2608 }
[6400]2609 }
[9788]2610 // =====================
2611 // BROADCAST ORBIT - 8
2612 // =====================
[10577]2613 else if (iLine == 8) {
[9789]2614 double health;
[10587]2615 if (type() == t_eph::CNV1) {
2616 if ( readDbl(line, pos[0], fieldLen, _SISMAI)
[10577]2617 || readDbl(line, pos[1], fieldLen, health)
2618 || readDbl(line, pos[2], fieldLen, _INTEGRITYF_B1C)
2619 || readDbl(line, pos[3], fieldLen, _IODC)) {
[9788]2620 _checkState = bad;
2621 return;
2622 }
[9789]2623 _health = int(health);
[10587]2624 }
2625 else if (type() == t_eph::CNV2) {
2626 if ( readDbl(line, pos[0], fieldLen, _SISMAI)
[10577]2627 || readDbl(line, pos[1], fieldLen, health)
2628 || readDbl(line, pos[2], fieldLen, _INTEGRITYF_B2aB1C)
2629 || readDbl(line, pos[3], fieldLen, _IODC)) {
[9788]2630 _checkState = bad;
2631 return;
2632 }
[9789]2633 _health = int(health);
[10587]2634 }
2635 else if (type() == t_eph::CNV3) {
[10577]2636 if (readDbl(line, pos[0], fieldLen, _TOT)) {
[9788]2637 _checkState = bad;
2638 return;
2639 }
2640 }
2641 }
2642 // =====================
2643 // BROADCAST ORBIT - 9
2644 // =====================
[10577]2645 else if (iLine == 9) {
[10587]2646 if (type() == t_eph::CNV1 ||
2647 type() == t_eph::CNV2) {
2648 if ( readDbl(line, pos[0], fieldLen, _TOT)
[10577]2649 || readDbl(line, pos[3], fieldLen, _IODE)) {
[9788]2650 _checkState = bad;
2651 return;
2652 }
2653 }
2654 }
[6400]2655 }
2656
[10577]2657 _TOE.setBDS(int(_BDTweek), _TOEsec);
[6400]2658 // remark: actually should be computed from second_tot
2659 // but it seems to be unreliable in RINEX files
[6843]2660 //_TOT = _TOC.bdssec();
[6400]2661}
2662
[7054]2663// IOD of BDS Ephemeris (virtual)
2664////////////////////////////////////////////////////////////////////////////
[7169]2665unsigned int t_ephBDS::IOD() const {
[10577]2666 return (int(_TOC.gpssec()) / 720) % 240; //return (int(_TOEsec)/720) % 240;
[7054]2667}
2668
[6601]2669// Compute BDS Satellite Position (virtual)
[6400]2670//////////////////////////////////////////////////////////////////////////////
[10577]2671t_irc t_ephBDS::position(int GPSweek, double GPSweeks, double *xc,
2672 double *vv) const {
[6400]2673
[10577]2674 static const double gmBDS = 398.6004418e12;
[6602]2675 static const double omegaBDS = 7292115.0000e-11;
[6400]2676
2677 xc[0] = xc[1] = xc[2] = xc[3] = 0.0;
2678 vv[0] = vv[1] = vv[2] = 0.0;
2679
2680 bncTime tt(GPSweek, GPSweeks);
2681
2682 if (_sqrt_A == 0) {
2683 return failure;
2684 }
2685 double a0 = _sqrt_A * _sqrt_A;
2686
[10577]2687 double n0 = sqrt(gmBDS / (a0 * a0 * a0));
[6400]2688 double tk = tt - _TOE;
[10577]2689 double n = n0 + _Delta_n;
2690 double M = _M0 + n * tk;
2691 double E = M;
[6400]2692 double E_last;
[10577]2693 int nLoop = 0;
[6400]2694 do {
2695 E_last = E;
[10577]2696 E = M + _e * sin(E);
[6400]2697
2698 if (++nLoop == 100) {
2699 return failure;
2700 }
[10577]2701 } while (fabs(E - E_last) * a0 > 0.001);
[6400]2702
[10577]2703 double v = atan2(sqrt(1 - _e * _e) * sin(E), cos(E) - _e);
2704 double u0 = v + _omega;
2705 double sin2u0 = sin(2 * u0);
2706 double cos2u0 = cos(2 * u0);
2707 double r = a0 * (1 - _e * cos(E)) + _Crc * cos2u0 + _Crs * sin2u0;
2708 double i = _i0 + _IDOT * tk + _Cic * cos2u0 + _Cis * sin2u0;
2709 double u = u0 + _Cuc * cos2u0 + _Cus * sin2u0;
2710 double xp = r * cos(u);
2711 double yp = r * sin(u);
[6400]2712 double toesec = (_TOE.gpssec() - 14.0);
2713 double sinom = 0;
2714 double cosom = 0;
[10577]2715 double sini = 0;
2716 double cosi = 0;
[7278]2717
[7481]2718 // Velocity
2719 // --------
[10577]2720 double tanv2 = tan(v / 2);
2721 double dEdM = 1 / (1 - _e * cos(E));
2722 double dotv = sqrt((1.0 + _e) / (1.0 - _e)) / cos(E / 2) / cos(E / 2)
2723 / (1 + tanv2 * tanv2) * dEdM * n;
2724 double dotu = dotv + (-_Cuc * sin2u0 + _Cus * cos2u0) * 2 * dotv;
2725 double doti = _IDOT + (-_Cic * sin2u0 + _Cis * cos2u0) * 2 * dotv;
2726 double dotr = a0 * _e * sin(E) * dEdM * n
2727 + (-_Crc * sin2u0 + _Crs * cos2u0) * 2 * dotv;
[7481]2728
[10577]2729 double dotx = dotr * cos(u) - r * sin(u) * dotu;
2730 double doty = dotr * sin(u) + r * cos(u) * dotu;
[7481]2731
[6400]2732 const double iMaxGEO = 10.0 / 180.0 * M_PI;
2733
2734 // MEO/IGSO satellite
2735 // ------------------
2736 if (_i0 > iMaxGEO) {
[10577]2737 double OM = _OMEGA0 + (_OMEGADOT - omegaBDS) * tk - omegaBDS * toesec;
[6400]2738
2739 sinom = sin(OM);
2740 cosom = cos(OM);
[10577]2741 sini = sin(i);
2742 cosi = cos(i);
[6400]2743
[10577]2744 xc[0] = xp * cosom - yp * cosi * sinom;
2745 xc[1] = xp * sinom + yp * cosi * cosom;
2746 xc[2] = yp * sini;
[7481]2747
2748 // Velocity
2749 // --------
2750
2751 double dotom = _OMEGADOT - t_CST::omega;
2752
[10577]2753 vv[0] = cosom * dotx - cosi * sinom * doty // dX / dr
2754 - xp * sinom * dotom - yp * cosi * cosom * dotom // dX / dOMEGA
2755 + yp * sini * sinom * doti; // dX / di
[7481]2756
[10577]2757 vv[1] = sinom * dotx + cosi * cosom * doty + xp * cosom * dotom
2758 - yp * cosi * sinom * dotom - yp * sini * cosom * doti;
[7481]2759
[10577]2760 vv[2] = sini * doty + yp * cosi * doti;
[7481]2761
[6400]2762 }
2763
2764 // GEO satellite
2765 // -------------
2766 else {
[10577]2767 double OM = _OMEGA0 + _OMEGADOT * tk - omegaBDS * toesec;
2768 double ll = omegaBDS * tk;
[6400]2769
2770 sinom = sin(OM);
2771 cosom = cos(OM);
[10577]2772 sini = sin(i);
2773 cosi = cos(i);
[6400]2774
[10577]2775 double xx = xp * cosom - yp * cosi * sinom;
2776 double yy = xp * sinom + yp * cosi * cosom;
2777 double zz = yp * sini;
[6400]2778
[7487]2779 Matrix RX = BNC_PPP::t_astro::rotX(-5.0 / 180.0 * M_PI);
2780 Matrix RZ = BNC_PPP::t_astro::rotZ(ll);
[6400]2781
[10577]2782 ColumnVector X1(3);
2783 X1 << xx << yy << zz;
2784 ColumnVector X2 = RZ * RX * X1;
[6400]2785
2786 xc[0] = X2(1);
2787 xc[1] = X2(2);
2788 xc[2] = X2(3);
[7278]2789
[7481]2790 double dotom = _OMEGADOT;
[6400]2791
[10577]2792 double vx = cosom * dotx - cosi * sinom * doty - xp * sinom * dotom
2793 - yp * cosi * cosom * dotom + yp * sini * sinom * doti;
[6400]2794
[10577]2795 double vy = sinom * dotx + cosi * cosom * doty + xp * cosom * dotom
2796 - yp * cosi * sinom * dotom - yp * sini * cosom * doti;
[7278]2797
[10577]2798 double vz = sini * doty + yp * cosi * doti;
[6400]2799
[10577]2800 ColumnVector V(3);
2801 V << vx << vy << vz;
[7481]2802
[10577]2803 Matrix RdotZ(3, 3);
[7481]2804 double C = cos(ll);
2805 double S = sin(ll);
[10577]2806 Matrix UU(3, 3);
2807 UU[0][0] = -S;
2808 UU[0][1] = +C;
2809 UU[0][2] = 0.0;
2810 UU[1][0] = -C;
2811 UU[1][1] = -S;
2812 UU[1][2] = 0.0;
2813 UU[2][0] = 0.0;
2814 UU[2][1] = 0.0;
2815 UU[2][2] = 0.0;
[7487]2816 RdotZ = omegaBDS * UU;
[7481]2817
2818 ColumnVector VV(3);
[10577]2819 VV = RZ * RX * V + RdotZ * RX * X1;
[7481]2820
2821 vv[0] = VV(1);
2822 vv[1] = VV(2);
2823 vv[2] = VV(3);
2824 }
2825
2826 double tc = tt - _TOC;
[10577]2827 xc[3] = _clock_bias + _clock_drift * tc + _clock_driftrate * tc * tc;
[7481]2828
[9132]2829// dotC = _clock_drift + _clock_driftrate*tc
[9290]2830// - 4.442807309e-10*_e * sqrt(a0) * cos(E) * dEdM * n;
[6400]2831
[7481]2832 // Relativistic Correction
2833 // -----------------------
[10577]2834 xc[3] -= 4.442807309e-10 * _e * sqrt(a0) * sin(E);
[7481]2835
[10577]2836 xc[4] = _clock_drift + _clock_driftrate * tc;
[8542]2837 xc[5] = _clock_driftrate;
[9126]2838
[6400]2839 return success;
2840}
2841
[9789]2842// Health status of SBAS Ephemeris (virtual)
2843////////////////////////////////////////////////////////////////////////////
2844unsigned int t_ephBDS::isUnhealthy() const {
2845
[10587]2846 if (type() == t_eph::CNV1 || type() == t_eph::CNV2
2847 || type() == t_eph::CNV3) {
[9789]2848 return static_cast<unsigned int>(_health);
2849 }
2850
2851 return static_cast<unsigned int>(_SatH1);
2852
2853}
2854
[6400]2855// RINEX Format String
2856//////////////////////////////////////////////////////////////////////////////
[6600]2857QString t_ephBDS::toString(double version) const {
[8419]2858
[10587]2859 if (version < 4.0 &&
2860 (type() == t_eph::CNV1 ||
2861 type() == t_eph::CNV2 ||
2862 type() == t_eph::CNV3 )) {
2863 return "";
2864 }
2865
2866 QString ephStr = typeStr(_type, _prn, version);
[10577]2867 QString rnxStr = ephStr + rinexDateStr(_TOC - 14.0, _prn, version);
[6400]2868
2869 QTextStream out(&rnxStr);
2870
[10577]2871 out
[10587]2872 << QString("%1%2%3\n")
2873 .arg(_clock_bias, 19, 'e', 12)
2874 .arg(_clock_drift, 19, 'e', 12)
2875 .arg(_clock_driftrate, 19, 'e', 12);
[6400]2876
2877 QString fmt = version < 3.0 ? " %1%2%3%4\n" : " %1%2%3%4\n";
[9788]2878 // =====================
2879 // BROADCAST ORBIT - 1
2880 // =====================
[10587]2881 if (type() == t_eph::D1 ||
2882 type() == t_eph::D2 ||
2883 type() == t_eph::undefined) {
2884 out
2885 << QString(fmt)
2886 .arg(double(_AODE), 19, 'e', 12)
2887 .arg(_Crs, 19, 'e', 12)
2888 .arg(_Delta_n, 19, 'e', 12)
2889 .arg(_M0, 19, 'e', 12);
2890 }
2891 else { //CNV1, CNV2, CNV3
2892 out
2893 << QString(fmt)
2894 .arg(_ADOT, 19, 'e', 12)
2895 .arg(_Crs, 19, 'e', 12)
2896 .arg(_Delta_n, 19, 'e', 12)
2897 .arg(_M0, 19, 'e', 12);
2898 }
2899
[9788]2900 // =====================
2901 // BROADCAST ORBIT - 2
2902 // =====================
[10577]2903 out
[10587]2904 << QString(fmt)
2905 .arg(_Cuc, 19, 'e', 12)
2906 .arg(_e, 19, 'e', 12)
2907 .arg(_Cus, 19, 'e', 12)
2908 .arg(_sqrt_A, 19, 'e', 12);
2909
[9788]2910 // =====================
2911 // BROADCAST ORBIT - 3
2912 // =====================
[10577]2913 out
[10587]2914 << QString(fmt)
2915 .arg(_TOEsec, 19, 'e', 12)
2916 .arg(_Cic, 19, 'e', 12)
2917 .arg(_OMEGA0, 19, 'e', 12)
2918 .arg(_Cis, 19, 'e', 12);
[9788]2919 // =====================
2920 // BROADCAST ORBIT - 4
2921 // =====================
[10577]2922 out
[10587]2923 << QString(fmt)
2924 .arg(_i0, 19, 'e', 12)
2925 .arg(_Crc, 19, 'e', 12)
2926 .arg(_omega, 19, 'e', 12)
2927 .arg(_OMEGADOT, 19, 'e', 12);
[9788]2928 // =====================
2929 // BROADCAST ORBIT - 5
2930 // =====================
[10587]2931 if (type() == t_eph::CNV1 ||
2932 type() == t_eph::CNV2 ||
2933 type() == t_eph::CNV3) {
[10577]2934 out
[10587]2935 << QString(fmt)
2936 .arg(_IDOT, 19, 'e', 12)
2937 .arg(_Delta_n_dot, 19, 'e', 12)
2938 .arg(_satType, 19, 'e', 12)
2939 .arg(_top, 19, 'e', 12);
2940 }
2941 else { // D1, D2,
[10577]2942 out
[10587]2943 << QString(fmt)
2944 .arg(_IDOT, 19, 'e', 12)
2945 .arg("", 19, QChar(' '))
2946 .arg(_BDTweek, 19, 'e', 12)
2947 .arg("", 19, QChar(' '));
[9788]2948 }
2949 // =====================
2950 // BROADCAST ORBIT - 6
2951 // =====================
[10587]2952 if (type() == t_eph::CNV1 ||
2953 type() == t_eph::CNV2 ||
2954 type() == t_eph::CNV3) {
[10577]2955 out
[10587]2956 << QString(fmt)
2957 .arg(_SISAI_oe, 19, 'e', 12)
2958 .arg(_SISAI_ocb, 19, 'e', 12)
2959 .arg(_SISAI_oc1, 19, 'e', 12)
2960 .arg(_SISAI_oc2, 19, 'e', 12);
2961 }
2962 else { // D1, D2, undefined
[10577]2963 out
[10587]2964 << QString(fmt)
2965 .arg(_ura, 19, 'e', 12)
2966 .arg(double(_SatH1), 19, 'e', 12)
2967 .arg(_TGD1, 19, 'e', 12)
2968 .arg(_TGD2, 19, 'e', 12);
[9788]2969 }
2970 // =====================
2971 // BROADCAST ORBIT - 7
2972 // =====================
[10587]2973 if (type() == t_eph::CNV1) {
[10577]2974 out
[10587]2975 << QString(fmt)
2976 .arg(_ISC_B1Cd, 19, 'e', 12)
2977 .arg("", 19, QChar(' '))
2978 .arg(_TGD_B1Cp, 19, 'e', 12)
2979 .arg(_TGD_B2ap, 19, 'e', 12);
2980 }
2981 else if (type() == t_eph::CNV2) {
[10577]2982 out
[10587]2983 << QString(fmt)
2984 .arg("", 19, QChar(' '))
2985 .arg(_ISC_B2ad, 19, 'e', 12)
2986 .arg(_TGD_B1Cp, 19, 'e', 12)
2987 .arg(_TGD_B2ap, 19, 'e', 12);
2988 }
2989 else if (type() == t_eph::CNV3) {
[10577]2990 out
[10587]2991 << QString(fmt)
2992 .arg(_SISMAI, 19, 'e', 12)
2993 .arg(double(_health), 19, 'e', 12)
2994 .arg(_INTEGRITYF_B2b, 19, 'e', 12)
2995 .arg(_TGD_B2bI, 19, 'e', 12);
2996 }
2997 else { // D1, D2, undefined
[9788]2998 double tots = 0.0;
[10577]2999 if (_receptDateTime.isValid()) { // RTCM stream input
[9788]3000 tots = _TOE.bdssec();
[10577]3001 } else { // RINEX input
[9788]3002 tots = _TOT;
3003 }
[10577]3004 out
[10587]3005 << QString(fmt)
3006 .arg(tots, 19, 'e', 12)
3007 .arg(double(_AODC), 19, 'e', 12)
3008 .arg("", 19, QChar(' '))
3009 .arg("", 19, QChar(' '));
[9788]3010 }
[6400]3011
[9788]3012 // =====================
3013 // BROADCAST ORBIT - 8
3014 // =====================
[10587]3015 if (type() == t_eph::CNV1) {
[10577]3016 out
[10587]3017 << QString(fmt)
3018 .arg(_SISMAI, 19, 'e', 12)
3019 .arg(double(_health), 19, 'e', 12)
3020 .arg(_INTEGRITYF_B1C, 19, 'e', 12)
3021 .arg(_IODC, 19, 'e', 12);
3022 }
3023 else if (type() == t_eph::CNV2) {
[10577]3024 out
[10587]3025 << QString(fmt)
3026 .arg(_SISMAI, 19, 'e', 12)
3027 .arg(double(_health), 19, 'e', 12)
3028 .arg(_INTEGRITYF_B2aB1C, 19, 'e', 12)
3029 .arg(_IODC, 19, 'e', 12);
3030 }
3031 else if (type() == t_eph::CNV3) {
[10577]3032 out
[10587]3033 << QString(fmt)
3034 .arg(_TOT, 19, 'e', 12)
3035 .arg("", 19, QChar(' '))
3036 .arg("", 19, QChar(' '))
3037 .arg("", 19, QChar(' '));
[9788]3038 }
[6400]3039
[9788]3040 // =====================
3041 // BROADCAST ORBIT - 9
3042 // =====================
[10587]3043 if (type() == t_eph::CNV1 ||
3044 type() == t_eph::CNV2) {
[10577]3045 out
[10587]3046 << QString(fmt)
3047 .arg(_TOT, 19, 'e', 12)
3048 .arg("", 19, QChar(' '))
3049 .arg("", 19, QChar(' '))
3050 .arg(_IODE, 19, 'e', 12);
[9788]3051 }
[6400]3052
3053 return rnxStr;
3054}
Note: See TracBrowser for help on using the repository browser.