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张壹
2024-09-10 20:19:20 +08:00
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examples/gaussian_hill_ex.cpp Normal file
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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/algorithm.h"
#include "gctl/utility.h"
int main(int argc, char const *argv[])
{
gctl::gaussian_para2d p, q;
p.mu_x = 50.0;
p.mu_y = 40.0;
p.sigma_x = 15.0;
p.sigma_y = 10.0;
p.rho = 0.2;
q.mu_x = 60.0;
q.mu_y = 70.0;
q.sigma_x = 10.0;
q.sigma_y = 20.0;
q.rho = 0.0;
int m = 101, n = 101;
gctl::array<double> d(m*n, 0.0);
gctl::array<double> dx(m*n, 0.0);
gctl::array<double> dy(m*n, 0.0);
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
d[j + i*m] = gctl::gaussian_dist2d(1.0*j, 1.0*i, p);
dx[j + i*m] = gctl::gaussian_dist2d(1.0*j, 1.0*i, p, gctl::Dx);
dy[j + i*m] = gctl::gaussian_dist2d(1.0*j, 1.0*i, p, gctl::Dy);
}
}
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
d[j + i*m] += gctl::gaussian_dist2d(1.0*j, 1.0*i, q);
dx[j + i*m] += gctl::gaussian_dist2d(1.0*j, 1.0*i, q, gctl::Dx);
dy[j + i*m] += gctl::gaussian_dist2d(1.0*j, 1.0*i, q, gctl::Dy);
}
}
std::ofstream outfile;
gctl::open_outfile(outfile, "data/out/gauss_hill", ".txt");
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
outfile << j << " " << i << " " << -1.0e+4*d[j + i*m] << " " << -1.0e+4*dx[j + i*m] << " " << -1.0e+4*dy[j + i*m] << std::endl;
}
}
outfile.close();
return 0;
}