gctl_mesh/example/mesh_ex3.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
{
	std::string dname = "example";
	std::string dname2= "another-example";

	gctl::regular_grid rgd;
	rgd.init("grid-1", "this is a test message.", 15, 10, 0.0, 0.0, 1.0, 1.0);

	gctl::meshdata &data = rgd.add_data(gctl::NodeData, gctl::Scalar, dname, 0.0);
	for (int j = 0; j < rgd.get_ydim(); j++)
	{
		for (int i = 0; i < rgd.get_xdim(); i++)
		{
			data.datval_[i + j*rgd.get_xdim()] = i;
		}
	}

	gctl::meshdata &data2 = rgd.add_data(gctl::ElemData, gctl::Scalar, dname2, 0.0);
	for (int j = 0; j < rgd.get_ydim()-1; j++)
	{
		for (int i = 0; i < rgd.get_xdim()-1; i++)
		{
			data2.datval_[i + j*(rgd.get_xdim()-1)] = j;
		}
	}

	rgd.save_binary("sample3-out");
	rgd.save_netcdf_grid("sample3-out1", dname);
	rgd.save_netcdf_grid("sample3-out2", dname2);

	gctl::regular_grid rgd2;
	rgd2.load_binary("sample3-out");
	rgd2.show_info();

	gctl::meshdata &data3 = rgd2.get_data(dname);
	for (int i = 0; i < data3.datval_.size(); i++)
	{
		std::cout << data3.datval_[i] << " ";
	}
	std::cout << std::endl;

	gctl::meshdata &data4 = rgd2.get_data(dname2);
	for (int i = 0; i < data4.datval_.size(); i++)
	{
		std::cout << data4.datval_[i] << " ";
	}
	std::cout << std::endl;
	return 0;
}
catch(std::exception &e)
{
	GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
}