gctl/example/refellipsoid_ex.cpp
2025-03-06 11:00:59 +08:00

74 lines
3.0 KiB
C++

/********************************************************
* ██████╗ ██████╗████████╗██╗
* ██╔════╝ ██╔════╝╚══██╔══╝██║
* ██║ ███╗██║ ██║ ██║
* ██║ ██║██║ ██║ ██║
* ╚██████╔╝╚██████╗ ██║ ███████╗
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
* Geophysical Computational Tools & Library (GCTL)
*
* Copyright (c) 2023 Yi Zhang (yizhang-geo@zju.edu.cn)
*
* GCTL is distributed under a dual licensing scheme. You can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either version 2
* of the License, or (at your option) any later version. You should have
* received a copy of the GNU Lesser General Public License along with this
* program. If not, see <http://www.gnu.org/licenses/>.
*
* If the terms and conditions of the LGPL v.2. would prevent you from using
* the GCTL, please consider the option to obtain a commercial license for a
* fee. These licenses are offered by the GCTL's original author. As a rule,
* licenses are provided "as-is", unlimited in time for a one time fee. Please
* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
* to include some description of your company and the realm of its activities.
* Also add information on how to contact you by electronic and paper mail.
******************************************************/
#include "../lib/geometry.h"
using namespace gctl;
int main(int argc, char const *argv[]) try
{
refellipsoid ellip;
ellip.set(WGS84);
/*
point3ds ps;
ps.set_io_precision(17);
ps.lon = -110;
ellip.geodetic2spherical(-40, 0, ps.lat, ps.rad);
std::cout << "Geocentric: " << ps << std::endl;
point3dc pc = ps.s2c();
pc.set_io_precision(17);
std::cout << "XYZ: " << pc << std::endl;
ellip.spherical2geodetic(ps, ps.lon, ps.lat, ps.rad);
std::cout << "Geodetic: " << ps << std::endl;
ellip.xyz2geodetic(pc, ps.lon, ps.lat, ps.rad);
std::cout << "Geodetic: " << ps << std::endl;
*/
point3ds ps;
ps.set_io_precision(17);
// 大地坐标 (110,40,0)
ps.lon = 110;
ellip.geodetic2spherical(40.0, 0.0, ps.lat, ps.rad);
// 球心坐标 (110,39.810615323061491,6369344.5441424493)
std::cout << "Geocentric: " << ps << std::endl;
// 转换为大地坐标
point3ds pd;
ellip.xyz2geodetic(ps.s2c(), pd.lon, pd.lat, pd.rad);
std::cout << "Geodetic: " << pd << std::endl;
// 400km高
pd.rad = 400000.0;
ellip.geodetic2spherical(pd.lat, pd.rad, pd.lat, pd.rad);
std::cout << "Geocentric: " << pd << std::endl;
return 0;
}
catch(std::exception &e)
{
GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}