56 lines
2.4 KiB
C++
56 lines
2.4 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 "gctl/core.h"
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#include "gctl/geometry.h"
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#include "gctl/io.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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array<vertex2dc> nodes;
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array<triangle2d> eles;
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gmshio fio;
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fio.init_file("data/sample", Input);
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fio.set_packed(NotPacked, Input);
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fio.read_mesh(eles, nodes);
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// 使用一条直线进行切割 我们需要直线上的一个点和直线的方向向量 直线“左侧”的网络将被保留 右侧的网络将被删除
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point2dc p1(0.05, -1.0), p2(-0.65, 0.0);
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array<vertex2dc> out_nodes;
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array<triangle2d> out_eles;
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geometry2d::cut_triangular_mesh_2d(eles, p1, p2, out_nodes, out_eles);
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fio.init_file("data/out/sample_out", Output);
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fio.set_packed(NotPacked, Output);
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fio.save_mesh(out_eles, out_nodes);
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return 0;
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}
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