mirror of https://github.com/gnss-sdr/gnss-sdr
248 lines
8.5 KiB
C++
248 lines
8.5 KiB
C++
/*!
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* \file gpx_printer.cc
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* \brief Implementation of a class that prints PVT information to a gpx file
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* \author Álvaro Cebrián Juan, 2018. acebrianjuan(at)gmail.com
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*
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*
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#include "gpx_printer.h"
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#include "pvt_solution.h"
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#include <boost/date_time/posix_time/posix_time.hpp>
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#include <glog/logging.h>
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#include <ctime> // for tm
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#include <exception> // for exception
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#include <iomanip> // for operator<<
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#include <iostream> // for cout, cerr
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#include <sstream> // for stringstream
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// clang-format off
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#if HAS_STD_FILESYSTEM
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#include <system_error>
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namespace errorlib = std;
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#if HAS_STD_FILESYSTEM_EXPERIMENTAL
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#include <experimental/filesystem>
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namespace fs = std::experimental::filesystem;
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#else
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#include <filesystem>
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namespace fs = std::filesystem;
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#endif
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#else
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#include <boost/filesystem/operations.hpp> // for create_directories, exists
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#include <boost/filesystem/path.hpp> // for path, operator<<
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#include <boost/filesystem/path_traits.hpp> // for filesystem
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#include <boost/system/error_code.hpp> // for error_code
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namespace fs = boost::filesystem;
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namespace errorlib = boost::system;
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#endif
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// clang-format on
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Gpx_Printer::Gpx_Printer(const std::string& base_path)
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{
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positions_printed = false;
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indent = " ";
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gpx_base_path = base_path;
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fs::path full_path(fs::current_path());
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const fs::path p(gpx_base_path);
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if (!fs::exists(p))
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{
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std::string new_folder;
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for (auto& folder : fs::path(gpx_base_path))
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{
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new_folder += folder.string();
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errorlib::error_code ec;
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if (!fs::exists(new_folder))
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{
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if (!fs::create_directory(new_folder, ec))
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{
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std::cout << "Could not create the " << new_folder << " folder.\n";
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gpx_base_path = full_path.string();
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}
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}
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new_folder += fs::path::preferred_separator;
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}
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}
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else
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{
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gpx_base_path = p.string();
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}
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if (gpx_base_path != ".")
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{
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std::cout << "GPX files will be stored at " << gpx_base_path << '\n';
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}
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gpx_base_path = gpx_base_path + fs::path::preferred_separator;
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}
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bool Gpx_Printer::set_headers(const std::string& filename, bool time_tag_name)
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{
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const boost::posix_time::ptime pt = boost::posix_time::second_clock::local_time();
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const tm timeinfo = boost::posix_time::to_tm(pt);
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if (time_tag_name)
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{
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std::stringstream strm0;
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const int year = timeinfo.tm_year - 100;
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strm0 << year;
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const int month = timeinfo.tm_mon + 1;
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if (month < 10)
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{
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strm0 << "0";
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}
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strm0 << month;
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const int day = timeinfo.tm_mday;
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if (day < 10)
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{
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strm0 << "0";
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}
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strm0 << day << "_";
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const int hour = timeinfo.tm_hour;
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if (hour < 10)
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{
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strm0 << "0";
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}
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strm0 << hour;
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const int min = timeinfo.tm_min;
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if (min < 10)
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{
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strm0 << "0";
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}
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strm0 << min;
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const int sec = timeinfo.tm_sec;
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if (sec < 10)
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{
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strm0 << "0";
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}
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strm0 << sec;
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gpx_filename = filename + "_" + strm0.str() + ".gpx";
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}
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else
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{
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gpx_filename = filename + ".gpx";
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}
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gpx_filename = gpx_base_path + gpx_filename;
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gpx_file.open(gpx_filename.c_str());
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if (gpx_file.is_open())
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{
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DLOG(INFO) << "GPX printer writing on " << filename.c_str();
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// Set iostream numeric format and precision
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gpx_file.setf(gpx_file.std::ofstream::fixed, gpx_file.std::ofstream::floatfield);
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gpx_file << std::setprecision(14);
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gpx_file << R"(<?xml version="1.0" encoding="UTF-8"?>)" << '\n'
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<< R"(<gpx version="1.1" creator="GNSS-SDR")" << '\n'
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<< 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\"\n"
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<< indent << "xmlns=\"http://www.topografix.com/GPX/1/1\"\n"
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<< indent << "xmlns:gpxx=\"http://www.garmin.com/xmlschemas/GpxExtensions/v3\"\n"
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<< indent << "xmlns:gpxtpx=\"http://www.garmin.com/xmlschemas/TrackPointExtension/v2\"\n"
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<< indent << "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n"
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<< indent << "<trk>\n"
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<< indent << indent << "<name>Position fixes computed by GNSS-SDR v" << GNSS_SDR_VERSION << "</name>\n"
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<< indent << indent << "<desc>GNSS-SDR position log generated at " << pt << " (local time)</desc>\n"
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<< indent << indent << "<trkseg>\n";
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return true;
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}
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std::cout << "File " << gpx_filename << " cannot be saved. Wrong permissions?\n";
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return false;
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}
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bool Gpx_Printer::print_position(const Pvt_Solution* const position, bool print_average_values)
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{
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double latitude;
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double longitude;
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double height;
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positions_printed = true;
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const double speed_over_ground = position->get_speed_over_ground(); // expressed in m/s
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const double course_over_ground = position->get_course_over_ground(); // expressed in deg
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const double hdop = position->get_hdop();
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const double vdop = position->get_vdop();
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const double pdop = position->get_pdop();
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std::string utc_time = to_iso_extended_string(position->get_position_UTC_time());
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if (utc_time.length() < 23)
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{
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utc_time += ".";
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}
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utc_time.resize(23, '0'); // time up to ms
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utc_time.append("Z"); // UTC time zone
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if (print_average_values == false)
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{
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latitude = position->get_latitude();
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longitude = position->get_longitude();
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height = position->get_height();
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}
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else
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{
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latitude = position->get_avg_latitude();
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longitude = position->get_avg_longitude();
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height = position->get_avg_height();
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}
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if (gpx_file.is_open())
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{
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gpx_file << indent << indent << indent << "<trkpt lon=\"" << longitude << "\" lat=\"" << latitude << "\"><ele>" << height << "</ele>"
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<< "<time>" << utc_time << "</time>"
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<< "<hdop>" << hdop << "</hdop><vdop>" << vdop << "</vdop><pdop>" << pdop << "</pdop>"
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<< "<extensions><gpxtpx:TrackPointExtension>"
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<< "<gpxtpx:speed>" << speed_over_ground << "</gpxtpx:speed>"
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<< "<gpxtpx:course>" << course_over_ground << "</gpxtpx:course>"
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<< "</gpxtpx:TrackPointExtension></extensions></trkpt>\n";
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return true;
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}
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return false;
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}
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bool Gpx_Printer::close_file()
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{
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if (gpx_file.is_open())
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{
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gpx_file << indent << indent << "</trkseg>\n"
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<< indent << "</trk>\n"
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<< "</gpx>";
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gpx_file.close();
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return true;
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}
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return false;
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}
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Gpx_Printer::~Gpx_Printer()
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{
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DLOG(INFO) << "GPX printer destructor called.";
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try
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{
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close_file();
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}
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catch (const std::exception& e)
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{
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std::cerr << e.what() << '\n';
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}
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if (!positions_printed)
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{
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errorlib::error_code ec;
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if (!fs::remove(fs::path(gpx_filename), ec))
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{
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LOG(INFO) << "Error deleting temporary GPX file";
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}
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}
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}
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