82 lines
3.6 KiB
C++
82 lines
3.6 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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* 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/io.h"
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#include "gctl/mesh.h"
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#include "vector"
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int main(int argc, char const *argv[])
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{
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try
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{
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// read topography data
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gctl::_2d_vector xyz_content;
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gctl::text_descriptor desc;
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gctl::read_text2vector2d("data/random_topo.xyz", xyz_content, desc);
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// convert to 2D points and values
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gctl::array<gctl::point2dc> topo_posi(xyz_content.size());
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gctl::array<double> topo_val(xyz_content.size());
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for (int i = 0; i < xyz_content.size(); i++)
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{
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topo_posi[i].x = xyz_content.at(i).at(0);
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topo_posi[i].y = xyz_content.at(i).at(1);
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topo_val[i] = xyz_content.at(i).at(2);
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}
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// destroy vector
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gctl::destroy_vector(xyz_content);
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// griding
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double s_xlen = 15, s_ylen = 20;
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gctl::regular_grid topo_grid("Topography", "null", 101, 101, 0, 0, 10, 10);
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topo_grid.load_data_cloud(topo_posi, topo_val, 15, 20, 0, "random_topo", gctl::ElemData);
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topo_grid.load_data_cloud(topo_posi, topo_val, 25, 25, 0, "random_topo_node", gctl::NodeData);
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topo_grid.gradient("random_topo", "random_topo_dx", gctl::Dx);
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topo_grid.gradient("random_topo", "random_topo_dx2", gctl::Dx, 2);
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topo_grid.gradient("random_topo_node", "random_topo_node_dx", gctl::Dx);
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topo_grid.gradient("random_topo_node", "random_topo_node_dy", gctl::Dy);
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topo_grid.save_gmsh("../data/random_topo_out", gctl::ElemData, gctl::OverWrite, gctl::NotPacked);
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topo_grid.save_gmsh("../data/random_topo_out", gctl::NodeData, gctl::Append, gctl::NotPacked);
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gctl::point2dc sp(20, 20), ep(980, 960);
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gctl::array<gctl::point2dc> profile_posi;
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gctl::array<double> profile_val;
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topo_grid.extract_profile("random_topo", sp, ep, 201, profile_posi, profile_val);
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std::vector<std::string> head_info(1);
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head_info[0] = "x,y,data";
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gctl::save_arrays2text("../data/random_topo_profile.csv", ',', '#', &head_info, nullptr, profile_posi, profile_val);
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}
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catch(std::exception &e)
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{
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GCTL_ShowWhatError(e.what(), GCTL_ERROR_ERROR, 0, 0, 0);
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}
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return 0;
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} |