gctl_mesh/example/mesh_ex9.cpp

/********************************************************
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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 "../lib/mesh.h"

int main(int argc, char *argv[]) try
{
	gctl::array<double> xs(15);
	for (int i = 0; i < 15; i++)
	{
		xs[i] = i+1;
	}

	gctl::array<double> ys(10);
	for (int i = 0; i < 10; i++)
	{
		ys[i] = i+1;
	}

	gctl::linear_mesh_2d l2d_mesh;
	l2d_mesh.init("mesh-example", "This is a linear mesh", 0.5, 0.5, xs, ys);

	int ybnum = l2d_mesh.get_ybnum();
	int xbnum = l2d_mesh.get_xbnum();

	gctl::meshdata &data = l2d_mesh.add_data(gctl::ElemData, gctl::Scalar, "double-data", 0.0);
	for (int j = 0; j < ybnum; j++)
	{
		for (int i = 0; i < xbnum; i++)
		{
			data.datval_[i + j*xbnum] = i+j;
		}
	}

	l2d_mesh.save_gmsh_withdata("sample9-out", gctl::OverWrite, gctl::NotPacked);
	return 0;
}
catch(std::exception &e)
{
	GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}