gctl_potential/example/power_spectrum_ex.cpp
2024-12-03 15:11:35 +08:00

65 lines
2.5 KiB
C++

/********************************************************
* ██████╗ ██████╗████████╗██╗
* ██╔════╝ ██╔════╝╚══██╔══╝██║
* ██║ ███╗██║ ██║ ██║
* ██║ ██║██║ ██║ ██║
* ╚██████╔╝╚██████╗ ██║ ███████╗
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
* Geophysical Computational Tools & Library (GCTL)
*
* Copyright (c) 2022 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 "gctl/io.h"
#include "gctl/geometry.h"
#include "../lib/potential.h"
using namespace gctl;
int main(int argc, char const *argv[]) try
{
std::string data_dir = "/Volumes/DataArchive/Earth/Global/MagneticModels/EMM2017_Linux";
text_content tc;
tc.head_num_ = 1;
tc.load_text(data_dir + "/EMM2017", ".COF");
int n, m;
_1d_array P, C, S;
std::stringstream tmp_ss;
C.resize(tc.lines_.size());
S.resize(tc.lines_.size());
for (size_t i = 0; i < tc.lines_.size(); i++)
{
str2ss(tc.lines_[i], tmp_ss);
tmp_ss >> n >> m >> C[i] >> S[i];
}
power_spectrum_shc(P, C, S, 6371200, 6371200, 1, 65);
for (size_t i = 0; i < P.size(); i++)
{
std::cout << i + 1 << " " << P[i] << "\n";
}
return 0;
}
catch (std::exception &e)
{
GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}