127 lines
3.1 KiB
C++
127 lines
3.1 KiB
C++
/*
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* Copyright 2013 Daniel Warner <contact@danrw.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "Util.h"
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#include <string>
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#include <sstream>
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#include <iomanip>
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namespace libsgp4
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{
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/**
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* @brief Stores a geodetic location (latitude, longitude, altitude).
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*
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* Internally the values are stored in radians and kilometres.
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*/
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struct CoordGeodetic
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{
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public:
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/**
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* Default constructor
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*/
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CoordGeodetic() = default;
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/**
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* Constructor
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* @param[in] lat the latitude (degrees by default)
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* @param[in] lon the longitude (degrees by default)
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* @param[in] alt the altitude in kilometers
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* @param[in] is_radians whether the latitude/longitude is in radians
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*/
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CoordGeodetic(
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double lat,
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double lon,
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double alt,
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bool is_radians = false)
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{
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if (is_radians)
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{
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latitude = lat;
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longitude = lon;
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}
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else
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{
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latitude = Util::DegreesToRadians(lat);
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longitude = Util::DegreesToRadians(lon);
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}
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altitude = alt;
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}
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/**
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* Copy constructor
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* @param[in] geo object to copy from
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*/
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CoordGeodetic(const CoordGeodetic& geo)
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{
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latitude = geo.latitude;
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longitude = geo.longitude;
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altitude = geo.altitude;
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}
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/**
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* Assignment operator
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* @param[in] geo object to copy from
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*/
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CoordGeodetic& operator=(const CoordGeodetic& geo)
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{
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if (this != &geo)
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{
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latitude = geo.latitude;
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longitude = geo.longitude;
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altitude = geo.altitude;
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}
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return *this;
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}
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/**
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* Dump this object to a string
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* @returns string
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*/
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std::string ToString() const
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{
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std::stringstream ss;
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ss << std::right << std::fixed << std::setprecision(3);
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ss << "Lat: " << std::setw(8) << Util::RadiansToDegrees(latitude);
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ss << ", Lon: " << std::setw(8) << Util::RadiansToDegrees(longitude);
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ss << ", Alt: " << std::setw(10) << altitude;
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return ss.str();
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}
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/** latitude in radians (-PI >= latitude < PI) */
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double latitude{};
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/** latitude in radians (-PI/2 >= latitude <= PI/2) */
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double longitude{};
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/** altitude in kilometers */
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double altitude{};
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};
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/**
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* Dump a Coordgeodetic to a stream
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* @param[in,out] strm stream to output to
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* @param[in] g the CoordGeodetic to print
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*/
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inline std::ostream& operator<<(std::ostream& strm, const CoordGeodetic& g)
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{
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return strm << g.ToString();
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}
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} // namespace libsgp4
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