84 lines
3.1 KiB
C++
84 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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* 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 "gctl/core.h"
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#include "gctl/algorithm.h"
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#include "gctl/io.h"
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int main(int argc, char const *argv[])
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{
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gctl::matrix<double> diff;
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gctl::matrix<double> in(128, 128, 0.0);
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double dist;
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for (int i = 0; i < in.row_size(); i++)
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{
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for (int j = 0; j < in.col_size(); j++)
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{
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dist = sqrt((i-25.0)*(i-25.0) + (j-40.0)*(j-40.0));
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in[i][j] = cos(25.0*GCTL_Pi*dist/360.0);
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}
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}
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gctl::array<double> out_data(in.row_size()*in.col_size());
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for (int i = 0; i < in.row_size(); i++)
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{
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for (int j = 0; j < in.col_size(); j++)
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{
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out_data[j + i*in.col_size()] = in[in.row_size()-1-i][j];
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}
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}
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gctl::save_netcdf_grid("data/out/difference_2d", out_data, in.col_size(), in.row_size(), 0, 1, 0, 1, "x", "y", "z");
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for (int d = 0; d < 4; d++)
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{
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gctl::difference_2d(in, diff, 1.0, gctl::Dx, d+1);
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for (int i = 0; i < in.row_size(); i++)
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{
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for (int j = 0; j < in.col_size(); j++)
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{
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out_data[j + i*in.col_size()] = diff[in.row_size()-1-i][j];
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}
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}
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gctl::append_netcdf_grid("data/out/difference_2d", out_data, "x", "y", "dx_"+std::to_string(d+1));
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}
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for (int d = 0; d < 4; d++)
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{
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gctl::difference_2d(in, diff, 1.0, gctl::Dy, d+1);
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for (int i = 0; i < in.row_size(); i++)
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{
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for (int j = 0; j < in.col_size(); j++)
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{
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out_data[j + i*in.col_size()] = diff[in.row_size()-1-i][j];
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}
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}
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gctl::append_netcdf_grid("data/out/difference_2d", out_data, "x", "y", "dy_"+std::to_string(d+1));
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}
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return 0;
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} |