gctl_examples/examples/triangle_io_ex.cpp
2024-09-10 20:19:20 +08:00

80 lines
3.0 KiB
C++

/********************************************************
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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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/io.h"
int main(int argc, char const *argv[])
{
gctl::array<int> mesh_mark;
gctl::array<gctl::vertex2dc> mesh_node;
gctl::array<gctl::triangle2d> mesh_triangle;
try
{
gctl::read_Triangle_node("data/sample_mesh", mesh_node, gctl::Packed, &mesh_mark);
gctl::read_Triangle_element("data/sample_mesh", mesh_triangle, mesh_node);
gctl::matrix<double> mesh_attri(mesh_node.size(), 3);
for (int i = 0; i < mesh_node.size(); i++)
{
for (int j = 0; j < 3; j++)
{
mesh_attri[i][j] = -1.0 + j;
}
}
gctl::matrix<double> ele_attri(mesh_triangle.size(), 3);
for (int i = 0; i < mesh_triangle.size(); i++)
{
for (int j = 0; j < 3; j++)
{
ele_attri[i][j] = -1.0 + j;
}
}
gctl::save_Triangle_node("data/out/sample_out", mesh_node, gctl::NotPacked, &mesh_mark, &mesh_attri);
gctl::save_Triangle_element("data/out/sample_out", mesh_triangle, gctl::NotPacked, &ele_attri);
std::ofstream outfile;
gctl::open_outfile(outfile, "data/1", ".msh");
gctl::save2gmsh(outfile, mesh_triangle, mesh_node);
outfile.close();
for (int i = 0; i < mesh_mark.size(); i++)
{
if (mesh_mark[i])
std::cout << i << " ";
}
std::cout << std::endl;
}
catch(std::exception &e)
{
GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}
return 0;
}