mirror of https://github.com/gnss-sdr/gnss-sdr
342 lines
16 KiB
C++
342 lines
16 KiB
C++
/*!
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* \file kml_printer.cc
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* \brief Implementation of a class that prints PVT information to a kml file
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* \author Javier Arribas, 2011. jarribas(at)cttc.es
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* 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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* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "kml_printer.h"
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#include <boost/date_time/posix_time/posix_time.hpp>
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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 <glog/logging.h>
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#include <exception>
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#include <sstream>
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using google::LogMessage;
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Kml_Printer::Kml_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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kml_base_path = base_path;
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boost::filesystem::path full_path(boost::filesystem::current_path());
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const boost::filesystem::path p(kml_base_path);
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if (!boost::filesystem::exists(p))
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{
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std::string new_folder;
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for (auto& folder : boost::filesystem::path(kml_base_path))
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{
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new_folder += folder.string();
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boost::system::error_code ec;
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if (!boost::filesystem::exists(new_folder))
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{
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if (!boost::filesystem::create_directory(new_folder, ec))
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{
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std::cout << "Could not create the " << new_folder << " folder." << std::endl;
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kml_base_path = full_path.string();
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}
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}
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new_folder += boost::filesystem::path::preferred_separator;
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}
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}
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else
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{
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kml_base_path = p.string();
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}
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if (kml_base_path != ".")
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{
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std::cout << "KML files will be stored at " << kml_base_path << std::endl;
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}
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kml_base_path = kml_base_path + boost::filesystem::path::preferred_separator;
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boost::filesystem::path tmp_base_path = boost::filesystem::temp_directory_path();
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boost::filesystem::path tmp_filename = boost::filesystem::unique_path();
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boost::filesystem::path tmp_file = tmp_base_path / tmp_filename;
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tmp_file_str = tmp_file.string();
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point_id = 0;
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}
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bool Kml_Printer::set_headers(const std::string& filename, bool time_tag_name)
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{
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boost::posix_time::ptime pt = boost::posix_time::second_clock::local_time();
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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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kml_filename = filename + "_" + strm0.str() + ".kml";
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}
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else
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{
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kml_filename = filename + ".kml";
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}
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kml_filename = kml_base_path + kml_filename;
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kml_file.open(kml_filename.c_str());
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tmp_file.open(tmp_file_str.c_str());
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if (kml_file.is_open() && tmp_file.is_open())
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{
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DLOG(INFO) << "KML printer writing on " << filename.c_str();
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// Set iostream numeric format and precision
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kml_file.setf(kml_file.std::ofstream::fixed, kml_file.std::ofstream::floatfield);
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kml_file << std::setprecision(14);
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tmp_file.setf(tmp_file.std::ofstream::fixed, tmp_file.std::ofstream::floatfield);
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tmp_file << std::setprecision(14);
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kml_file << R"(<?xml version="1.0" encoding="UTF-8"?>)" << std::endl
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<< R"(<kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2">)" << std::endl
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<< indent << "<Document>" << std::endl
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<< indent << indent << "<name>GNSS Track</name>" << std::endl
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<< indent << indent << "<description><![CDATA[" << std::endl
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<< indent << indent << indent << "<table>" << std::endl
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<< indent << indent << indent << indent << "<tr><td>GNSS-SDR Receiver position log file created at " << pt << "</td></tr>" << std::endl
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<< indent << indent << indent << indent << "<tr><td>https://gnss-sdr.org/</td></tr>" << std::endl
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<< indent << indent << indent << "</table>" << std::endl
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<< indent << indent << "]]></description>" << std::endl
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<< indent << indent << "<!-- Normal track style -->" << std::endl
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<< indent << indent << "<Style id=\"track_n\">" << std::endl
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<< indent << indent << indent << "<IconStyle>" << std::endl
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<< indent << indent << indent << indent << "<color>ff00ffff</color>" << std::endl
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<< indent << indent << indent << indent << "<scale>0.3</scale>" << std::endl
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<< indent << indent << indent << indent << "<Icon>" << std::endl
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<< indent << indent << indent << indent << indent << "<href>http://maps.google.com/mapfiles/kml/shapes/shaded_dot.png</href>" << std::endl
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<< indent << indent << indent << indent << "</Icon>" << std::endl
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<< indent << indent << indent << "</IconStyle>" << std::endl
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<< indent << indent << indent << "<LabelStyle>" << std::endl
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<< indent << indent << indent << indent << "<scale>0</scale>" << std::endl
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<< indent << indent << indent << "</LabelStyle>" << std::endl
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<< indent << indent << "</Style>" << std::endl
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<< indent << indent << "<!-- Highlighted track style -->" << std::endl
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<< indent << indent << "<Style id=\"track_h\">" << std::endl
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<< indent << indent << indent << "<IconStyle>" << std::endl
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<< indent << indent << indent << indent << "<color>ff00ffff</color>" << std::endl
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<< indent << indent << indent << indent << "<scale>1</scale>" << std::endl
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<< indent << indent << indent << indent << "<Icon>" << std::endl
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<< indent << indent << indent << indent << indent << "<href>http://maps.google.com/mapfiles/kml/shapes/shaded_dot.png</href>" << std::endl
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<< indent << indent << indent << indent << "</Icon>" << std::endl
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<< indent << indent << indent << "</IconStyle>" << std::endl
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<< indent << indent << "</Style>" << std::endl
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<< indent << indent << "<StyleMap id=\"track\">" << std::endl
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<< indent << indent << indent << "<Pair>" << std::endl
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<< indent << indent << indent << indent << "<key>normal</key>" << std::endl
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<< indent << indent << indent << indent << "<styleUrl>#track_n</styleUrl>" << std::endl
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<< indent << indent << indent << "</Pair>" << std::endl
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<< indent << indent << indent << "<Pair>" << std::endl
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<< indent << indent << indent << indent << "<key>highlight</key>" << std::endl
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<< indent << indent << indent << indent << "<styleUrl>#track_h</styleUrl>" << std::endl
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<< indent << indent << indent << "</Pair>" << std::endl
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<< indent << indent << "</StyleMap>" << std::endl
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<< indent << indent << "<Style id=\"yellowLineGreenPoly\">" << std::endl
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<< indent << indent << indent << "<LineStyle>" << std::endl
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<< indent << indent << indent << indent << "<color>7f00ffff</color>" << std::endl
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<< indent << indent << indent << indent << "<width>1</width>" << std::endl
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<< indent << indent << indent << "</LineStyle>" << std::endl
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<< indent << indent << indent << "<PolyStyle>" << std::endl
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<< indent << indent << indent << indent << "<color>7f00ff00</color>" << std::endl
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<< indent << indent << indent << "</PolyStyle>" << std::endl
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<< indent << indent << "</Style>" << std::endl
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<< indent << indent << "<Folder>" << std::endl
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<< indent << indent << indent << "<name>Points</name>" << std::endl;
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return true;
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}
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std::cout << "File " << kml_filename << " cannot be saved. Wrong permissions?" << std::endl;
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return false;
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}
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bool Kml_Printer::print_position(const std::shared_ptr<Rtklib_Solver>& 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 std::shared_ptr<Rtklib_Solver>& position_ = position;
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double speed_over_ground = position_->get_speed_over_ground(); // expressed in m/s
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double course_over_ground = position_->get_course_over_ground(); // expressed in deg
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double hdop = position_->get_hdop();
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double vdop = position_->get_vdop();
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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 (kml_file.is_open() && tmp_file.is_open())
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{
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point_id++;
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kml_file << indent << indent << indent << "<Placemark>" << std::endl
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<< indent << indent << indent << indent << "<name>" << point_id << "</name>" << std::endl
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<< indent << indent << indent << indent << "<snippet/>" << std::endl
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<< indent << indent << indent << indent << "<description><![CDATA[" << std::endl
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<< indent << indent << indent << indent << indent << "<table>" << std::endl
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<< indent << indent << indent << indent << indent << indent << "<tr><td>Time:</td><td>" << utc_time << "</td></tr>" << std::endl
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<< indent << indent << indent << indent << indent << indent << "<tr><td>Longitude:</td><td>" << longitude << "</td><td>deg</td></tr>" << std::endl
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<< indent << indent << indent << indent << indent << indent << "<tr><td>Latitude:</td><td>" << latitude << "</td><td>deg</td></tr>" << std::endl
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<< indent << indent << indent << indent << indent << indent << "<tr><td>Altitude:</td><td>" << height << "</td><td>m</td></tr>" << std::endl
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<< indent << indent << indent << indent << indent << indent << "<tr><td>Speed:</td><td>" << speed_over_ground << "</td><td>m/s</td></tr>" << std::endl
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<< indent << indent << indent << indent << indent << indent << "<tr><td>Course:</td><td>" << course_over_ground << "</td><td>deg</td></tr>" << std::endl
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<< indent << indent << indent << indent << indent << indent << "<tr><td>HDOP:</td><td>" << hdop << "</td></tr>" << std::endl
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<< indent << indent << indent << indent << indent << indent << "<tr><td>VDOP:</td><td>" << vdop << "</td></tr>" << std::endl
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<< indent << indent << indent << indent << indent << indent << "<tr><td>PDOP:</td><td>" << pdop << "</td></tr>" << std::endl
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<< indent << indent << indent << indent << indent << "</table>" << std::endl
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<< indent << indent << indent << indent << "]]></description>" << std::endl
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<< indent << indent << indent << indent << "<TimeStamp>" << std::endl
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<< indent << indent << indent << indent << indent << "<when>" << utc_time << "</when>" << std::endl
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<< indent << indent << indent << indent << "</TimeStamp>" << std::endl
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<< indent << indent << indent << indent << "<styleUrl>#track</styleUrl>" << std::endl
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<< indent << indent << indent << indent << "<Point>" << std::endl
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<< indent << indent << indent << indent << indent << "<altitudeMode>absolute</altitudeMode>" << std::endl
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<< indent << indent << indent << indent << indent << "<coordinates>" << longitude << "," << latitude << "," << height << "</coordinates>" << std::endl
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<< indent << indent << indent << indent << "</Point>" << std::endl
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<< indent << indent << indent << "</Placemark>" << std::endl;
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tmp_file << indent << indent << indent << indent << indent
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<< longitude << "," << latitude << "," << height << std::endl;
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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 Kml_Printer::close_file()
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{
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if (kml_file.is_open() && tmp_file.is_open())
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{
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tmp_file.close();
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kml_file << indent << indent << "</Folder>"
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<< indent << indent << "<Placemark>" << std::endl
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<< indent << indent << indent << "<name>Path</name>" << std::endl
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<< indent << indent << indent << "<styleUrl>#yellowLineGreenPoly</styleUrl>" << std::endl
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<< indent << indent << indent << "<LineString>" << std::endl
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<< indent << indent << indent << indent << "<extrude>0</extrude>" << std::endl
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<< indent << indent << indent << indent << "<tessellate>1</tessellate>" << std::endl
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<< indent << indent << indent << indent << "<altitudeMode>absolute</altitudeMode>" << std::endl
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<< indent << indent << indent << indent << "<coordinates>" << std::endl;
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// Copy the contents of tmp_file into kml_file
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std::ifstream src(tmp_file_str, std::ios::binary);
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kml_file << src.rdbuf();
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kml_file << indent << indent << indent << indent << "</coordinates>" << std::endl
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<< indent << indent << indent << "</LineString>" << std::endl
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<< indent << indent << "</Placemark>" << std::endl
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<< indent << "</Document>" << std::endl
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<< "</kml>";
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kml_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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Kml_Printer::~Kml_Printer()
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{
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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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if (remove(kml_filename.c_str()) != 0)
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{
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LOG(INFO) << "Error deleting temporary KML file";
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}
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}
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}
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