gctl_potential/example/mobser_tricone_ex.cpp
2025-01-08 19:27:51 +08:00

117 lines
4.1 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;
bool clockwise(const triangle &t)
{
if (dot(cross(*t.vert[1] - *t.vert[0], *t.vert[2] - *t.vert[0]), *t.vert[0]) < 0) return true;
else return false;
}
int main(int argc, char const *argv[]) try
{
array<vertex3dc> top_node, btm_node;
array<magcone_ren17> top_ele, btm_ele;
gmshio fio;
fio.init_file("data/stt/sph_rect.msh", gctl::Input);
fio.set_packed(gctl::NotPacked, gctl::Input);
fio.read_mesh(top_ele, top_node);
fio.read_mesh(btm_ele, btm_node);
// 确定三角形顶点排序
triangle t;
vertex3dc *v = nullptr;
for (size_t i = 0; i < top_ele.size(); i++)
{
t.set(*top_ele[i].vert[0], *top_ele[i].vert[1], *top_ele[i].vert[2]);
if (clockwise(t))
{
v = top_ele[i].vert[0]; top_ele[i].vert[0] = top_ele[i].vert[1]; top_ele[i].vert[1] = v;
v = btm_ele[i].vert[0]; btm_ele[i].vert[0] = btm_ele[i].vert[1]; btm_ele[i].vert[1] = v;
}
}
vertex3dc origin(point3dc(0.0, 0.0, 0.0), top_node.size());
for (size_t i = 0; i < top_ele.size(); i++)
{
top_ele[i].set_origin(origin);
btm_ele[i].set_origin(origin);
}
for (size_t i = 0; i < top_node.size(); i++)
{
top_node[i].set2module(6371200);
btm_node[i].set2module(6371200 - 26500);
}
mag_dipole md;
md.M = 7.61365e+22;
md.n.set(point3dc(0.0, 0.0, 1.0));
point3dc cen_c;
array<point3dc> mag_B(top_ele.size());
for (size_t i = 0; i < top_ele.size(); i++)
{
cen_c = 1.0/6.0*(*top_ele[i].vert[0] + *top_ele[i].vert[1] + *top_ele[i].vert[2] +
*btm_ele[i].vert[0] + *btm_ele[i].vert[1] + *btm_ele[i].vert[2]);
mag_B[i] = magkernel_single(md, cen_c);
}
// 计算磁体参数
array<magcone_para_ren17> top_para, btm_para;
array<double> sus(top_ele.size(), 0.01);
callink_magnetic_para(top_ele, top_para, mag_B);
callink_magnetic_para(btm_ele, btm_para, mag_B);
// 设置观测点位
array<point3ds> obsp;
grid_points_2d(obsp, 10.0, 55.0, 20.0, 65.0, 0.25, 0.25, 6371200.0 + 100000);
// 正演计算
array<point3dc> obsgrad;
// 正演磁分量数据
magobser(obsgrad, top_ele, btm_ele, obsp, sus, ShortMsg);
geodsv_io fout;
fout.init_table(obsp.size(), 6);
fout.set_column_names({"rad", "lon", "lat", "Br", "Bt", "Bp"});
fout.fill_column_point3ds(obsp, "rad", "lon", "lat");
fout.fill_column_point3dc(obsgrad, "Br", "Bt", "Bp");
fout.save_csv("data/stt/mag_obs");
return 0;
}
catch (std::exception &e)
{
GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}