gctl_examples/examples/gobser_tesseroid_ex.cpp
2024-09-10 20:19:20 +08:00

77 lines
3.2 KiB
C++

/********************************************************
* ██████╗ ██████╗████████╗██╗
* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
* 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/core.h"
#include "gctl/io.h"
#include "gctl/potential.h"
int main(int argc, char const *argv[])
{
try
{
// set up observation parameters and block parameters
gctl::array<double> line_node;
gctl::linespace(-25.0, 25.0, 201, line_node);
gctl::array<gctl::point3ds> obes(line_node.size() * line_node.size());
for (int i = 0; i < line_node.size(); i++)
{
for (int j = 0; j < line_node.size(); j++)
{
obes[i*line_node.size()+j].lon = line_node.at(j);
obes[i*line_node.size()+j].lat = line_node.at(i);
obes[i*line_node.size()+j].rad = GCTL_Earth_Radius + 100000.0;
}
}
gctl::array<gctl::tesseroid> tesses(1);
tesses[0].set(GCTL_Earth_Radius - 10000.0, GCTL_Earth_Radius - 1000.0, -2, 2, -2, 2);
gctl::array<double> rho(1, 1.0);
gctl::array<double> data;
#ifdef GCTL_NETCDF
gctl::gobser(data, tesses, obes, rho, gctl::Vz, gctl::ShortMsg);
gctl::save_netcdf_grid("data/tesseroid_gr", data, 201, 201, -25.0, 0.25, -25.0, 0.25, "x", "y", "Vr");
gctl::gobser(data, tesses, obes, rho, gctl::Tzx, gctl::ShortMsg);
gctl::append_netcdf_grid("data/tesseroid_gr", data, "x", "y", "Vrp");
gctl::gobser(data, tesses, obes, rho, gctl::Tzy, gctl::ShortMsg);
gctl::append_netcdf_grid("data/tesseroid_gr", data, "x", "y", "Vrt");
#else
gctl::gobser(data, tesses, obes, rho, gctl::Tr, gctl::ShortMsg);
gctl::save_surfer6_grid("data/tesseroid_gr", data, 201, 201, -25.0, 25.0, -25.0, 25.0, NAN, NAN, gctl::Surfer6Binary);
#endif // GCTL_NETCDF
}
catch (std::exception &e)
{
GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}
return 0;
}