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Add ability to print GPS L2-only observables

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This commit is contained in:
Carles Fernandez
2016-10-29 17:59:48 +02:00
parent 9a6dfc65d7
commit 2ddc78992f
2 changed files with 130 additions and 1 deletions
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124
src/algorithms/PVT/libs/rinex_printer.cc
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@@ -3761,6 +3761,130 @@ void Rinex_Printer::log_rinex_obs(std::fstream& out, const Gps_Ephemeris& eph, c
}
void Rinex_Printer::log_rinex_obs(std::fstream & out, const Gps_CNAV_Ephemeris & eph, double obs_time, const std::map<int, Gnss_Synchro> & pseudoranges)
{
// RINEX observations timestamps are GPS timestamps.
std::string line;
boost::posix_time::ptime p_gps_time = Rinex_Printer::compute_GPS_time(eph, obs_time);
std::string timestring = boost::posix_time::to_iso_string(p_gps_time);
//double utc_t = nav_msg.utc_time(nav_msg.sv_clock_correction(obs_time));
//double gps_t = eph.sv_clock_correction(obs_time);
double gps_t = obs_time;
std::string month (timestring, 4, 2);
std::string day (timestring, 6, 2);
std::string hour (timestring, 9, 2);
std::string minutes (timestring, 11, 2);
std::string year (timestring, 0, 4);
line += std::string(1, '>');
line += std::string(1, ' ');
line += year;
line += std::string(1, ' ');
line += month;
line += std::string(1, ' ');
line += day;
line += std::string(1, ' ');
line += hour;
line += std::string(1, ' ');
line += minutes;
line += std::string(1, ' ');
double seconds = fmod(gps_t, 60);
// Add extra 0 if seconds are < 10
if (seconds < 10)
{
line += std::string(1, '0');
}
line += Rinex_Printer::asString(seconds, 7);
line += std::string(2, ' ');
// Epoch flag 0: OK 1: power failure between previous and current epoch <1: Special event
line += std::string(1, '0');
//Number of satellites observed in current epoch
int numSatellitesObserved = 0;
std::map<int, Gnss_Synchro>::const_iterator pseudoranges_iter;
for(pseudoranges_iter = pseudoranges.begin();
pseudoranges_iter != pseudoranges.end();
pseudoranges_iter++)
{
numSatellitesObserved++;
}
line += Rinex_Printer::rightJustify(boost::lexical_cast<std::string>(numSatellitesObserved), 3);
// Receiver clock offset (optional)
//line += rightJustify(asString(clockOffset, 12), 15);
line += std::string(80 - line.size(), ' ');
Rinex_Printer::lengthCheck(line);
out << line << std::endl;
for(pseudoranges_iter = pseudoranges.begin();
pseudoranges_iter != pseudoranges.end();
pseudoranges_iter++)
{
std::string lineObs;
lineObs.clear();
lineObs += satelliteSystem["GPS"];
if (static_cast<int>(pseudoranges_iter->first) < 10) lineObs += std::string(1, '0');
lineObs += boost::lexical_cast<std::string>(static_cast<int>(pseudoranges_iter->first));
//lineObs += std::string(2, ' ');
//GPS L2 PSEUDORANGE
lineObs += Rinex_Printer::rightJustify(asString(pseudoranges_iter->second.Pseudorange_m, 3), 14);
//Loss of lock indicator (LLI)
int lli = 0; // Include in the observation!!
if (lli == 0)
{
lineObs += std::string(1, ' ');
}
else
{
lineObs += Rinex_Printer::rightJustify(Rinex_Printer::asString<short>(lli), 1);
}
// Signal Strength Indicator (SSI)
int ssi = Rinex_Printer::signalStrength(pseudoranges_iter->second.CN0_dB_hz);
lineObs += Rinex_Printer::rightJustify(Rinex_Printer::asString<int>(ssi), 1);
// GPS L2 PHASE
lineObs += Rinex_Printer::rightJustify(asString(pseudoranges_iter->second.Carrier_phase_rads/GPS_TWO_PI, 3), 14);
if (lli == 0)
{
lineObs += std::string(1, ' ');
}
else
{
lineObs += Rinex_Printer::rightJustify(Rinex_Printer::asString<short>(lli), 1);
}
lineObs += Rinex_Printer::rightJustify(Rinex_Printer::asString<int>(ssi), 1);
// GPS L2 DOPPLER
lineObs += Rinex_Printer::rightJustify(asString(pseudoranges_iter->second.Carrier_Doppler_hz, 3), 14);
if (lli == 0)
{
lineObs += std::string(1, ' ');
}
else
{
lineObs += Rinex_Printer::rightJustify(Rinex_Printer::asString<short>(lli), 1);
}
lineObs += Rinex_Printer::rightJustify(Rinex_Printer::asString<int>(ssi), 1);
//GPS L2 SIGNAL STRENGTH
lineObs += Rinex_Printer::rightJustify(asString(pseudoranges_iter->second.CN0_dB_hz, 3), 14);
if (lineObs.size() < 80) lineObs += std::string(80 - lineObs.size(), ' ');
out << lineObs << std::endl;
}
}
void Rinex_Printer::log_rinex_obs(std::fstream & out, const Gps_Ephemeris & eph, const Gps_CNAV_Ephemeris & eph_cnav, double obs_time, const std::map<int, Gnss_Synchro> & pseudoranges)
{
// RINEX observations timestamps are GPS timestamps.

7
src/algorithms/PVT/libs/rinex_printer.h
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@@ -182,10 +182,15 @@ public:
void log_rinex_nav(std::fstream & out, const std::map<int, Gps_Ephemeris> & gps_eph_map, const std::map<int, Galileo_Ephemeris> & galileo_eph_map);
/*!
* \brief Writes GPS observables into the RINEX file
* \brief Writes GPS L1 observables into the RINEX file
*/
void log_rinex_obs(std::fstream & out, const Gps_Ephemeris & eph, double obs_time, const std::map<int, Gnss_Synchro> & pseudoranges);
/*!
* \brief Writes GPS L2 observables into the RINEX file
*/
void log_rinex_obs(std::fstream & out, const Gps_CNAV_Ephemeris & eph, double obs_time, const std::map<int, Gnss_Synchro> & pseudoranges);
/*!
* \brief Writes dual frequency GPS L1 and L2 observables into the RINEX file
*/