mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-10-01 00:10:50 +00:00
151 lines
4.2 KiB
C++
151 lines
4.2 KiB
C++
/*!
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* \file geojson_printer.cc
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* \brief Implementation of a class that prints PVT solutions in GeoJSON format
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* \author Carles Fernandez-Prades, 2015. cfernandez(at)cttc.es
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*
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (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 <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "geojson_printer.h"
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#include <iostream>
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#include <iomanip>
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#include <glog/logging.h>
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GeoJSON_Printer::GeoJSON_Printer () {}
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GeoJSON_Printer::~GeoJSON_Printer ()
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{
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GeoJSON_Printer::close_file();
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}
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bool GeoJSON_Printer::set_headers(std::string filename)
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{
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geojson_file.open(filename.c_str());
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filename_ = filename;
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first_pos = true;
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if (geojson_file.is_open())
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{
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DLOG(INFO) << "GeoJSON printer writing on " << filename.c_str();
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// Set iostream numeric format and precision
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geojson_file.setf(geojson_file.fixed, geojson_file.floatfield);
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geojson_file << std::setprecision(14);
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// Writing the header
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geojson_file << "{" << std::endl;
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geojson_file << " \"type\": \"Feature\"," << std::endl;
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geojson_file << " \"properties\": {" << std::endl;
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geojson_file << " \"name\": \"Locations generated by GNSS-SDR\" " << std::endl;
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geojson_file << " }," << std::endl;
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geojson_file << " \"geometry\": {" << std::endl;
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geojson_file << " \"type\": \"MultiPoint\"," << std::endl;
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geojson_file << " \"coordinates\": [" << std::endl;
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return true;
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}
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else
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{
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return false;
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}
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}
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bool GeoJSON_Printer::print_position(const std::shared_ptr<Pvt_Solution>& 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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std::shared_ptr<Pvt_Solution> position_ = position;
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if (print_average_values == false)
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{
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latitude = position_->d_latitude_d;
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longitude = position_->d_longitude_d;
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height = position_->d_height_m;
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}
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else
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{
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latitude = position_->d_avg_latitude_d;
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longitude = position_->d_avg_longitude_d;
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height = position_->d_avg_height_m;
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}
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if (geojson_file.is_open())
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{
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if (first_pos == true)
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{
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geojson_file << " [" << longitude << ", " << latitude << ", " << height << "]";
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first_pos = false;
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}
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else
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{
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geojson_file << "," << std::endl;
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geojson_file << " [" << longitude << ", " << latitude << ", " << height << "]";
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}
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return true;
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}
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else
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{
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return false;
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}
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}
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bool GeoJSON_Printer::close_file()
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{
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if (geojson_file.is_open())
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{
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geojson_file << std::endl;
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geojson_file << " ]" << std::endl;
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geojson_file << " }" << std::endl;
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geojson_file << "}" << std::endl;
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geojson_file.close();
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// if nothing is written, erase the file
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if (first_pos == true)
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{
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if(remove(filename_.c_str()) != 0) LOG(INFO) << "Error deleting temporary file";
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}
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return true;
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}
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else
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{
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return false;
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}
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}
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