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test_grid.cc
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Thu, Dec 12, 00:22

test_grid.cc
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/**
* Copyright (©) 2010-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* Akantu is free software: 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 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*/
/* -------------------------------------------------------------------------- */
#include <iostream>
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "aka_grid_dynamic.hh"
#include "mesh.hh"
#include "mesh_io.hh"
using namespace akantu;
int main(int argc, char * argv[]) {
const Int spatial_dimension = 2;
akantu::initialize(argc, argv);
Mesh circle(spatial_dimension);
circle.read("circle.msh");
const auto & l = circle.getLocalLowerBounds();
const auto & u = circle.getLocalUpperBounds();
Vector<Real> s{.2, .2};
Vector<Real> c = (u + l) / 2;
SpatialGrid<Element> grid(spatial_dimension, s, c);
Vector<Real> bary(spatial_dimension);
Element el;
el.ghost_type = _not_ghost;
for (const auto & type : circle.elementTypes(spatial_dimension)) {
Int nb_element = circle.getNbElement(type);
el.type = type;
for (Int e = 0; e < nb_element; ++e) {
el.element = e;
circle.getBarycenter(el, bary);
grid.insert(el, bary);
}
}
std::cout << grid << std::endl;
Mesh mesh(spatial_dimension, "save");
grid.saveAsMesh(mesh);
mesh.write("grid.msh");
akantu::finalize();
return EXIT_SUCCESS;
}

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