gctl_potential/example/gobser_tri2d_ex.cpp
2025-01-10 16:36:50 +08:00

74 lines
3.0 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/core.h"
#include "gctl/io.h"
#include "gctl/potential.h"
using namespace gctl;
int main(int argc, char const *argv[]) try
{
// set up observation points
array<point2dc> obs_loc;
grid_points_1d(obs_loc, 0.0, 200.0, 2.0, 0.0);
int obs_num = obs_loc.size();
// set nodes locations
array<vertex2dc> node_vert(3);
node_vert[0].set(point2dc(90.0, -30.0));
node_vert[1].set(point2dc(100.0, -60.0));
node_vert[2].set(point2dc(110.0, -10.0));
// set triangular elements
array<double> rho(1, 1.0);
array<triangle2d> tri(1);
// anti-clock wise
tri[0].set(node_vert[0], node_vert[1], node_vert[2]); // set triangle's vertex from existing vertex
// forward modeling
array<double> g(obs_num), gx(obs_num), gzx(obs_num), gzz(obs_num);
gobser(g, tri, obs_loc, rho, gctl::Vz);
gobser(gx, tri, obs_loc, rho, gctl::Vx);
gobser(gzx, tri, obs_loc, rho, gctl::Tzx);
gobser(gzz, tri, obs_loc, rho, gctl::Tzz);
geodsv_io fio;
fio.init_table(obs_num, 6);
fio.set_column_names({"x", "y", "g", "gx", "gzx", "gzz"});
fio.fill_column_point2dc(obs_loc, "x", "y");
fio.fill_column(g, "g");
fio.fill_column(gx, "gx");
fio.fill_column(gzx, "gzx");
fio.fill_column(gzz, "gzz");
fio.save_text("gobser_tri2d_ex");
return 0;
}
catch (std::exception &e)
{
GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}