77 lines
3.1 KiB
C++
77 lines
3.1 KiB
C++
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/********************************************************
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* ██████╗ ██████╗████████╗██╗
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ██║ ███╗██║ ██║ ██║
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* ██║ ██║██║ ██║ ██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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* Geophysical Computational Tools & Library (GCTL)
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*
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* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
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*
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* GCTL is distributed under a dual licensing scheme. You can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either version 2
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* of the License, or (at your option) any later version. You should have
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* received a copy of the GNU Lesser General Public License along with this
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* program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If the terms and conditions of the LGPL v.2. would prevent you from using
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* the GCTL, please consider the option to obtain a commercial license for a
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* fee. These licenses are offered by the GCTL's original author. As a rule,
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* licenses are provided "as-is", unlimited in time for a one time fee. Please
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* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
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* to include some description of your company and the realm of its activities.
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* Also add information on how to contact you by electronic and paper mail.
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******************************************************/
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#include "../lib/potential.h"
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using namespace gctl;
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int main(int argc, char const *argv[])
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{
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// 设置块体模型
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// 设置块体的磁化率与磁化参数
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int m_num = 50, n_num = 50;
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array<mag_block> bk(m_num*n_num);
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array<double> sus(m_num*n_num, 0.1);
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array<magblock_para> mag_para(m_num*n_num);
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for (int i = 0; i < m_num; i++)
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{
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for (int j = 0; j < n_num; j++)
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{
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if (j >= 20 && j <= 29 && i >= 20 && i <= 29) bk[j + i*n_num].set(j*10.0, (j+1)*10.0, i*10.0, (i+1)*10.0, -10.0, 0.0);
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else bk[j + i*n_num].set(j*10.0, (j+1)*10.0, i*10.0, (i+1)*10.0, -1e-6, 0.0);
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mag_para[j + i*n_num].inclina_deg = 90.0;
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mag_para[j + i*n_num].declina_deg = 0.0;
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bk[j + i*n_num].att = mag_para.get(j + i*n_num);
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}
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}
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// 设置观测点位
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array<point3dc> obsp;
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gridspace(point3dc(5, 0, 5), point3dc(495, 0, 5), point3dc(0, 5, 5), point3dc(0, 495, 5), 50, 50, obsp);
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// 正演计算
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array<double> za, za_grad;
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magobser(za, bk, obsp, sus, Za, FullMsg);
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for (int i = 0; i < bk.size(); i++)
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{
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bk[i].vert[0]->z = -1e-6;
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bk[i].vert[1]->z = -1e-6;
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bk[i].vert[2]->z = -1e-6;
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bk[i].vert[3]->z = -1e-6;
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}
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loss_func lf(za, L2);
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lf.set_uncertainty(1.0);
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magobser_wrt_thickness(za_grad, lf, obsp, sus, bk, Za, ShortMsg);
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// 保存网格
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gctl::save_netcdf_grid("out_magobser_block_gradient", za, 50, 50, 5.0, 10.0, 5.0, 10.0, "x", "y", "Za");
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gctl::append_netcdf_grid("out_magobser_block_gradient", za_grad, "x", "y", "Za_Grad");
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return 0;
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}
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