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gnss-sdr/src/algorithms/PVT/libs/gpx_printer.cc

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/*!
* \file gpx_printer.cc
* \brief Implementation of a class that prints PVT information to a gpx file
* \author Álvaro Cebrián Juan, 2018. acebrianjuan(at)gmail.com
*
*
* -------------------------------------------------------------------------
*
* 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 "gpx_printer.h"
#include "rtklib_solver.h"
#include <boost/date_time/posix_time/posix_time.hpp>
#if HAS_STD_FILESYSTEM
#include <filesystem>
#include <system_error>
#else
#include <boost/filesystem/operations.hpp> // for create_directories, exists
#include <boost/filesystem/path.hpp> // for path, operator<<
#include <boost/filesystem/path_traits.hpp> // for filesystem
#include <boost/system/error_code.hpp> // for error_code
#endif
#include <glog/logging.h>
#include <cstdio> // for remove
#include <ctime> // for tm
#include <exception> // for exception
#include <iomanip> // for operator<<
#include <iostream> // for cout, cerr
#include <sstream> // for stringstream
#if HAS_STD_FILESYSTEM
namespace fs = std::filesystem;
namespace errorlib = std;
#else
namespace fs = boost::filesystem;
namespace errorlib = boost::system;
#endif
Gpx_Printer::Gpx_Printer(const std::string& base_path)
{
positions_printed = false;
indent = " ";
gpx_base_path = base_path;
fs::path full_path(fs::current_path());
const fs::path p(gpx_base_path);
if (!fs::exists(p))
{
std::string new_folder;
for (auto& folder : fs::path(gpx_base_path))
{
new_folder += folder.string();
errorlib::error_code ec;
if (!fs::exists(new_folder))
{
if (!fs::create_directory(new_folder, ec))
{
std::cout << "Could not create the " << new_folder << " folder." << std::endl;
gpx_base_path = full_path.string();
}
}
new_folder += fs::path::preferred_separator;
}
}
else
{
gpx_base_path = p.string();
}
if (gpx_base_path != ".")
{
std::cout << "GPX files will be stored at " << gpx_base_path << std::endl;
}
gpx_base_path = gpx_base_path + fs::path::preferred_separator;
}
bool Gpx_Printer::set_headers(const std::string& filename, bool time_tag_name)
{
boost::posix_time::ptime pt = boost::posix_time::second_clock::local_time();
tm timeinfo = boost::posix_time::to_tm(pt);
if (time_tag_name)
{
std::stringstream strm0;
const int year = timeinfo.tm_year - 100;
strm0 << year;
const int month = timeinfo.tm_mon + 1;
if (month < 10)
{
strm0 << "0";
}
strm0 << month;
const int day = timeinfo.tm_mday;
if (day < 10)
{
strm0 << "0";
}
strm0 << day << "_";
const int hour = timeinfo.tm_hour;
if (hour < 10)
{
strm0 << "0";
}
strm0 << hour;
const int min = timeinfo.tm_min;
if (min < 10)
{
strm0 << "0";
}
strm0 << min;
const int sec = timeinfo.tm_sec;
if (sec < 10)
{
strm0 << "0";
}
strm0 << sec;
gpx_filename = filename + "_" + strm0.str() + ".gpx";
}
else
{
gpx_filename = filename + ".gpx";
}
gpx_filename = gpx_base_path + gpx_filename;
gpx_file.open(gpx_filename.c_str());
if (gpx_file.is_open())
{
DLOG(INFO) << "GPX printer writing on " << filename.c_str();
// Set iostream numeric format and precision
gpx_file.setf(gpx_file.std::ofstream::fixed, gpx_file.std::ofstream::floatfield);
gpx_file << std::setprecision(14);
gpx_file << R"(<?xml version="1.0" encoding="UTF-8"?>)" << std::endl
<< R"(<gpx version="1.1" creator="GNSS-SDR")" << std::endl
<< indent << "xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.garmin.com/xmlschemas/GpxExtensions/v3 http://www.garmin.com/xmlschemas/GpxExtensionsv3.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v2 http://www.garmin.com/xmlschemas/TrackPointExtensionv2.xsd\"" << std::endl
<< indent << "xmlns=\"http://www.topografix.com/GPX/1/1\"" << std::endl
<< indent << "xmlns:gpxx=\"http://www.garmin.com/xmlschemas/GpxExtensions/v3\"" << std::endl
<< indent << "xmlns:gpxtpx=\"http://www.garmin.com/xmlschemas/TrackPointExtension/v2\"" << std::endl
<< indent << "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">" << std::endl
<< indent << "<trk>" << std::endl
<< indent << indent << "<name>Position fixes computed by GNSS-SDR v" << GNSS_SDR_VERSION << "</name>" << std::endl
<< indent << indent << "<desc>GNSS-SDR position log generated at " << pt << " (local time)</desc>" << std::endl
<< indent << indent << "<trkseg>" << std::endl;
return true;
}
std::cout << "File " << gpx_filename << " cannot be saved. Wrong permissions?" << std::endl;
return false;
}
bool Gpx_Printer::print_position(const std::shared_ptr<Rtklib_Solver>& position, bool print_average_values)
{
double latitude;
double longitude;
double height;
positions_printed = true;
const std::shared_ptr<Rtklib_Solver>& position_ = position;
double speed_over_ground = position_->get_speed_over_ground(); // expressed in m/s
double course_over_ground = position_->get_course_over_ground(); // expressed in deg
double hdop = position_->get_hdop();
double vdop = position_->get_vdop();
double pdop = position_->get_pdop();
std::string utc_time = to_iso_extended_string(position_->get_position_UTC_time());
if (utc_time.length() < 23)
{
utc_time += ".";
}
utc_time.resize(23, '0'); // time up to ms
utc_time.append("Z"); // UTC time zone
if (print_average_values == false)
{
latitude = position_->get_latitude();
longitude = position_->get_longitude();
height = position_->get_height();
}
else
{
latitude = position_->get_avg_latitude();
longitude = position_->get_avg_longitude();
height = position_->get_avg_height();
}
if (gpx_file.is_open())
{
gpx_file << indent << indent << indent << "<trkpt lon=\"" << longitude << "\" lat=\"" << latitude << "\"><ele>" << height << "</ele>"
<< "<time>" << utc_time << "</time>"
<< "<hdop>" << hdop << "</hdop><vdop>" << vdop << "</vdop><pdop>" << pdop << "</pdop>"
<< "<extensions><gpxtpx:TrackPointExtension>"
<< "<gpxtpx:speed>" << speed_over_ground << "</gpxtpx:speed>"
<< "<gpxtpx:course>" << course_over_ground << "</gpxtpx:course>"
<< "</gpxtpx:TrackPointExtension></extensions></trkpt>" << std::endl;
return true;
}
return false;
}
bool Gpx_Printer::close_file()
{
if (gpx_file.is_open())
{
gpx_file << indent << indent << "</trkseg>" << std::endl
<< indent << "</trk>" << std::endl
<< "</gpx>";
gpx_file.close();
return true;
}
return false;
}
Gpx_Printer::~Gpx_Printer()
{
try
{
close_file();
}
catch (const std::exception& e)
{
std::cerr << e.what() << '\n';
}
if (!positions_printed)
{
if (remove(gpx_filename.c_str()) != 0)
{
LOG(INFO) << "Error deleting temporary GPX file";
}
}
}
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