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gnss-sdr/src/utils/rinex2assist/main.cc

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/*!
* \file main.cc
* \brief converts navigation RINEX files into XML files for Assisted GNSS.
* \author Carles Fernandez-Prades, 2018. cfernandez(at)cttc.cat
*
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNSS-SDR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include "gps_ephemeris.h"
#include "galileo_ephemeris.h"
#include "gps_utc_model.h"
#include "gps_iono.h"
#include "galileo_utc_model.h"
#include "galileo_iono.h"
#include <gflags/gflags.h>
#include <gpstk/Rinex3NavHeader.hpp>
#include <gpstk/Rinex3NavData.hpp>
#include <gpstk/Rinex3NavStream.hpp>
#include <boost/archive/xml_oarchive.hpp>
#include <boost/serialization/map.hpp>
#include <iostream>
int main(int argc, char** argv)
{
const std::string intro_help(
std::string("\n rinex2assist converts navigation RINEX files into XML files for Assisted GNSS\n") +
"Copyright (C) 2018 (see AUTHORS file for a list of contributors)\n" +
"This program comes with ABSOLUTELY NO WARRANTY;\n" +
"See COPYING file to see a copy of the General Public License.\n \n" +
"Usage: \n" +
" rinex2assist <RINEX Nav file input>");
google::SetUsageMessage(intro_help);
google::SetVersionString("1.0");
google::ParseCommandLineFlags(&argc, &argv, true);
if ((argc != 2))
{
std::cerr << "Usage:" << std::endl;
std::cerr << " " << argv[0]
<< " <RINEX Nav file input>"
<< std::endl;
google::ShutDownCommandLineFlags();
return 1;
}
std::string xml_filename;
std::map<int, Gps_Ephemeris> eph_map;
std::map<int, Galileo_Ephemeris> eph_gal_map;
Gps_Utc_Model gps_utc_model;
Gps_Iono gps_iono;
Galileo_Utc_Model gal_utc_model;
Galileo_Iono gal_iono;
int i = 0;
int j = 0;
try
{
// Read nav file
gpstk::Rinex3NavStream rnffs(argv[1]); // Open navigation data file
gpstk::Rinex3NavData rne;
gpstk::Rinex3NavHeader hdr;
// Read header
rnffs >> hdr;
// Check that it really is a RINEX navigation file
if (hdr.fileType.substr(0, 1).compare("N") != 0)
{
std::cerr << "This is not a valid RINEX navigation file, or file not found." << std::endl;
std::cerr << "No XML file will be created." << std::endl;
return 1;
}
// Collect UTC parameters from RINEX header
if (hdr.fileSys.compare("G: (GPS)") == 0 || hdr.fileSys.compare("MIXED") == 0)
{
gps_utc_model.valid = (hdr.valid > 2147483648) ? true : false;
gps_utc_model.d_A1 = hdr.mapTimeCorr["GPUT"].A0;
gps_utc_model.d_A0 = hdr.mapTimeCorr["GPUT"].A1;
gps_utc_model.d_t_OT = hdr.mapTimeCorr["GPUT"].refSOW;
gps_utc_model.i_WN_T = hdr.mapTimeCorr["GPUT"].refWeek;
gps_utc_model.d_DeltaT_LS = hdr.leapSeconds;
gps_utc_model.i_WN_LSF = hdr.leapWeek;
gps_utc_model.i_DN = hdr.leapDay;
gps_utc_model.d_DeltaT_LSF = hdr.leapDelta;
// Collect iono parameters from RINEX header
gps_iono.valid = (hdr.mapIonoCorr["GPSA"].param[0] == 0) ? false : true;
gps_iono.d_alpha0 = hdr.mapIonoCorr["GPSA"].param[0];
gps_iono.d_alpha1 = hdr.mapIonoCorr["GPSA"].param[1];
gps_iono.d_alpha2 = hdr.mapIonoCorr["GPSA"].param[2];
gps_iono.d_alpha3 = hdr.mapIonoCorr["GPSA"].param[3];
gps_iono.d_beta0 = hdr.mapIonoCorr["GPSB"].param[0];
gps_iono.d_beta1 = hdr.mapIonoCorr["GPSB"].param[1];
gps_iono.d_beta2 = hdr.mapIonoCorr["GPSB"].param[2];
gps_iono.d_beta3 = hdr.mapIonoCorr["GPSB"].param[3];
}
if (hdr.fileSys.compare("E: (GAL)") == 0 || hdr.fileSys.compare("MIXED") == 0)
{
gal_utc_model.A0_6 = hdr.mapTimeCorr["GAUT"].A0;
gal_utc_model.A1_6 = hdr.mapTimeCorr["GAUT"].A1;
gal_utc_model.Delta_tLS_6 = hdr.leapSeconds;
gal_utc_model.t0t_6 = hdr.mapTimeCorr["GAUT"].refSOW;
gal_utc_model.WNot_6 = hdr.mapTimeCorr["GAUT"].refWeek;
gal_utc_model.WN_LSF_6 = hdr.leapWeek;
gal_utc_model.DN_6 = hdr.leapDay;
gal_utc_model.Delta_tLSF_6 = hdr.leapDelta;
gal_iono.ai0_5 = hdr.mapIonoCorr["GAL"].param[0];
gal_iono.ai1_5 = hdr.mapIonoCorr["GAL"].param[1];
gal_iono.ai2_5 = hdr.mapIonoCorr["GAL"].param[2];
gal_iono.Region1_flag_5 = false;
gal_iono.Region2_flag_5 = false;
gal_iono.Region3_flag_5 = false;
gal_iono.Region4_flag_5 = false;
gal_iono.Region5_flag_5 = false;
gal_iono.TOW_5 = 0.0;
gal_iono.WN_5 = 0.0;
}
// Read navigation data
while (rnffs >> rne)
{
if (rne.satSys.compare("G") == 0 or rne.satSys.empty())
{
// Fill GPS ephemeris object
Gps_Ephemeris eph;
eph.i_satellite_PRN = rne.PRNID;
eph.d_TOW = rne.xmitTime;
eph.d_IODE_SF2 = rne.IODE;
eph.d_IODE_SF3 = rne.IODE;
eph.d_Crs = rne.Crs;
eph.d_Delta_n = rne.dn;
eph.d_M_0 = rne.M0;
eph.d_Cuc = rne.Cuc;
eph.d_e_eccentricity = rne.ecc;
eph.d_Cus = rne.Cus;
eph.d_sqrt_A = rne.Ahalf;
eph.d_Toe = rne.Toe;
eph.d_Toc = rne.Toc;
eph.d_Cic = rne.Cic;
eph.d_OMEGA0 = rne.OMEGA0;
eph.d_Cis = rne.Cis;
eph.d_i_0 = rne.i0;
eph.d_Crc = rne.Crc;
eph.d_OMEGA = rne.w;
eph.d_OMEGA_DOT = rne.OMEGAdot;
eph.d_IDOT = rne.idot;
eph.i_code_on_L2 = rne.codeflgs; //
eph.i_GPS_week = rne.weeknum;
eph.b_L2_P_data_flag = rne.L2Pdata;
eph.i_SV_accuracy = rne.accuracy;
eph.i_SV_health = rne.health;
eph.d_TGD = rne.Tgd;
eph.d_IODC = rne.IODC;
eph.i_AODO = 0; //
eph.b_fit_interval_flag = (rne.fitint > 4) ? 1 : 0;
eph.d_spare1 = 0.0;
eph.d_spare2 = 0.0;
eph.d_A_f0 = rne.af0;
eph.d_A_f1 = rne.af1;
eph.d_A_f2 = rne.af2;
eph.b_integrity_status_flag = 0; //
eph.b_alert_flag = 0; //
eph.b_antispoofing_flag = 0; //
eph_map[i] = eph;
i++;
}
if (rne.satSys.compare("E") == 0)
{
// Fill Galileo ephemeris object
Galileo_Ephemeris eph;
eph.i_satellite_PRN = rne.PRNID;
eph.M0_1 = rne.M0;
eph.e_1 = rne.ecc;
eph.A_1 = rne.Ahalf;
eph.OMEGA_0_2 = rne.OMEGA0;
eph.i_0_2 = rne.i0;
eph.omega_2 = rne.w;
eph.OMEGA_dot_3 = rne.OMEGAdot;
eph.iDot_2 = rne.idot;
eph.C_uc_3 = rne.Cuc;
eph.C_us_3 = rne.Cus;
eph.C_rc_3 = rne.Crc;
eph.C_rs_3 = rne.Crs;
eph.C_ic_4 = rne.Cic;
eph.C_is_4 = rne.Cis;
eph.t0e_1 = rne.Toe;
eph.t0c_4 = rne.Toc;
eph.af0_4 = rne.af0;
eph.af1_4 = rne.af1;
eph.af2_4 = rne.af2;
eph_gal_map[j] = eph;
j++;
}
}
}
catch (std::exception& e)
{
std::cerr << "Error reading the RINEX file: " << e.what() << std::endl;
std::cerr << "No XML file will be created." << std::endl;
google::ShutDownCommandLineFlags();
return 1;
}
if (i == 0 and j == 0)
{
std::cerr << "No navigation data found in the RINEX file. No XML file will be created." << std::endl;
google::ShutDownCommandLineFlags();
return 1;
}
// Write XML ephemeris
if (i != 0)
{
std::ofstream ofs;
if (xml_filename.empty())
{
xml_filename = "eph_GPS_L1CA.xml";
}
try
{
ofs.open(xml_filename.c_str(), std::ofstream::trunc | std::ofstream::out);
boost::archive::xml_oarchive xml(ofs);
xml << boost::serialization::make_nvp("GNSS-SDR_ephemeris_map", eph_map);
}
catch (std::exception& e)
{
std::cerr << "Problem creating the XML file " << xml_filename << ": " << e.what() << std::endl;
google::ShutDownCommandLineFlags();
return 1;
}
std::cout << "Generated file: " << xml_filename << std::endl;
}
if (j != 0)
{
std::ofstream ofs2;
xml_filename = "eph_Galileo_E1.xml";
try
{
ofs2.open(xml_filename.c_str(), std::ofstream::trunc | std::ofstream::out);
boost::archive::xml_oarchive xml(ofs2);
xml << boost::serialization::make_nvp("GNSS-SDR_ephemeris_map", eph_gal_map);
}
catch (std::exception& e)
{
std::cerr << "Problem creating the XML file " << xml_filename << ": " << e.what() << std::endl;
google::ShutDownCommandLineFlags();
return 1;
}
std::cout << "Generated file: " << xml_filename << std::endl;
}
// Write XML UTC
if (gps_utc_model.valid)
{
std::ofstream ofs3;
xml_filename = "gps_UTC.xml";
try
{
ofs3.open(xml_filename.c_str(), std::ofstream::trunc | std::ofstream::out);
boost::archive::xml_oarchive xml(ofs3);
xml << boost::serialization::make_nvp("GNSS-SDR_gps_utc", gps_utc_model);
}
catch (std::exception& e)
{
std::cerr << "Problem creating the XML file " << xml_filename << ": " << e.what() << std::endl;
google::ShutDownCommandLineFlags();
return 1;
}
std::cout << "Generated file: " << xml_filename << std::endl;
}
// Write XML iono
if (gps_iono.valid)
{
std::ofstream ofs4;
xml_filename = "gps_iono.xml";
try
{
ofs4.open(xml_filename.c_str(), std::ofstream::trunc | std::ofstream::out);
boost::archive::xml_oarchive xml(ofs4);
xml << boost::serialization::make_nvp("GNSS-SDR_gps_iono", gps_iono);
}
catch (std::exception& e)
{
std::cerr << "Problem creating the XML file " << xml_filename << ": " << e.what() << std::endl;
google::ShutDownCommandLineFlags();
return 1;
}
std::cout << "Generated file: " << xml_filename << std::endl;
}
if (gal_utc_model.A0_6 != 0)
{
std::ofstream ofs5;
xml_filename = "gal_utc.xml";
try
{
ofs5.open(xml_filename.c_str(), std::ofstream::trunc | std::ofstream::out);
boost::archive::xml_oarchive xml(ofs5);
xml << boost::serialization::make_nvp("GNSS-SDR_gal_utc", gal_utc_model);
}
catch (std::exception& e)
{
std::cerr << "Problem creating the XML file " << xml_filename << ": " << e.what() << std::endl;
google::ShutDownCommandLineFlags();
return 1;
}
std::cout << "Generated file: " << xml_filename << std::endl;
}
if (gal_iono.ai0_5 != 0)
{
std::ofstream ofs7;
xml_filename = "gal_iono.xml";
try
{
ofs7.open(xml_filename.c_str(), std::ofstream::trunc | std::ofstream::out);
boost::archive::xml_oarchive xml(ofs7);
xml << boost::serialization::make_nvp("GNSS-SDR_gal_iono", gal_iono);
}
catch (std::exception& e)
{
std::cerr << "Problem creating the XML file " << xml_filename << ": " << e.what() << std::endl;
google::ShutDownCommandLineFlags();
return 1;
}
std::cout << "Generated file: " << xml_filename << std::endl;
}
google::ShutDownCommandLineFlags();
return 0;
}
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