94 lines
3.5 KiB
C++
94 lines
3.5 KiB
C++
|
/********************************************************
|
||
|
|
* ██████╗ ██████╗████████╗██╗
|
||
|
|
* ██╔════╝ ██╔════╝╚══██╔══╝██║
|
||
|
|
* ██║ ███╗██║ ██║ ██║
|
||
|
|
* ██║ ██║██║ ██║ ██║
|
||
|
|
* ╚██████╔╝╚██████╗ ██║ ███████╗
|
||
|
|
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
|
||
|
|
* 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"
|
||
|
|
#include "gctl/seismic.h"
|
||
|
|
|
||
|
|
using namespace gctl;
|
||
|
|
|
||
|
|
int main(int argc, char const *argv[])
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
std::string mesh_file = "../data/fmm2d/sample_mesh.1";
|
||
|
|
std::string mod_file = "../data/fmm2d/sample_model.txt";
|
||
|
|
|
||
|
|
// read triangular mesh's vertice and elements
|
||
|
|
array<vertex2dc> mesh_node;
|
||
|
|
array<triangle2d> mesh_ele;
|
||
|
|
read_Triangle_node(mesh_file, mesh_node);
|
||
|
|
read_Triangle_element(mesh_file, mesh_ele, mesh_node);
|
||
|
|
|
||
|
|
array<fmm_vertex2dc> fmm_node;
|
||
|
|
array<fmm_triangle2d> fmm_ele;
|
||
|
|
array<double> node_time(mesh_node.size());
|
||
|
|
|
||
|
|
array<double> mesh_slow;
|
||
|
|
text_descriptor desc;
|
||
|
|
desc.head_num_ = 1;
|
||
|
|
|
||
|
|
get_data_column(mod_file, {&mesh_slow}, {1}, desc);
|
||
|
|
create_fmm_mesh(mesh_node, mesh_ele, node_time, mesh_slow, fmm_node, fmm_ele);
|
||
|
|
|
||
|
|
// declare a source point and calculate
|
||
|
|
seis_point2d_tri source_1;
|
||
|
|
source_1.set(point2dc(5.0, 10.0), 1);
|
||
|
|
|
||
|
|
// declare a receiver point and a gradient array and calculate
|
||
|
|
seis_point2d_tri receiver_1;
|
||
|
|
receiver_1.set(point2dc(235.0, 90.0), 1);
|
||
|
|
|
||
|
|
array<double> time_ele_grad(fmm_ele.size());
|
||
|
|
|
||
|
|
// calculate
|
||
|
|
source2receiver_direct(&fmm_node, &fmm_ele, &source_1, &receiver_1, &time_ele_grad);
|
||
|
|
|
||
|
|
for (int i = 0; i < node_time.size(); i++)
|
||
|
|
{
|
||
|
|
if (node_time[i] == GCTL_BDL_MAX)
|
||
|
|
{
|
||
|
|
node_time[i] = NAN;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
std::cout << "receiver's time = " << receiver_1.time << std::endl;
|
||
|
|
|
||
|
|
// save to gmsh file
|
||
|
|
std::ofstream outfile;
|
||
|
|
open_outfile(outfile, mesh_file, ".msh");
|
||
|
|
save2gmsh(outfile, mesh_ele, mesh_node, gctl::NotPacked);
|
||
|
|
save_gmsh_data(outfile, "First arrival time", node_time.get(), node_time.size(), NodeData, gctl::NotPacked);
|
||
|
|
save_gmsh_data(outfile, "Elements' gradient", time_ele_grad.get(), time_ele_grad.size(), ElemData, gctl::NotPacked);
|
||
|
|
outfile.close();
|
||
|
|
}
|
||
|
|
catch(std::exception &e)
|
||
|
|
{
|
||
|
|
GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|