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src/mesh/tri2d_meshio_ex.cpp

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+/********************************************************
+ *  ██████╗  ██████╗████████╗██╗
+ * ██╔════╝ ██╔════╝╚══██╔══╝██║
+ * ██║  ███╗██║        ██║   ██║
+ * ██║   ██║██║        ██║   ██║
+ * ╚██████╔╝╚██████╗   ██║   ███████╗
+ *  ╚═════╝  ╚═════╝   ╚═╝   ╚══════╝
+ * Geophysical Computational Tools & Library (GCTL)
+ *
+ * Copyright (c) 2023  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 "../lib/mesh/tri2d_mesh.h"
+
+ using namespace gctl;
+ 
+ int main(int argc, char const *argv[]) try
+ {
+     mesh_io mshio;
+     mshio.read_gmsh_v2_ascii("tmp/tri2d");
+     mshio.info();
+ 
+     array<vertex2dc> nodes;
+     array<triangle2d> tris;
+ 
+     mshio.select_elements(_3NodeTriangle);
+     mshio.export_selected_to(tris, nodes);
+     _1d_array data = mshio.get_selected_data("Model slowness (s/km)", ElemData);
+
+     triangle2d_mesh tri2dmesh;
+     tri2dmesh.init("Test", "This is a test.", nodes, tris);
+     tri2dmesh.add_data(ElemData, "Test Data", data);
+     tri2dmesh.show_info();
+     tri2dmesh.save_gmsh_withdata("tri2d_out", OverWrite);
+     return 0;
+ }
+ catch(std::exception &e)
+ {
+     GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
+ }