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test_grid.cc
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test_grid.cc
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/**
* @file test_grid.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Aug 06 2012
* @date last modification: Mon Jun 23 2014
*
* @brief Test the grid object
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* 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 UInt spatial_dimension = 2;
akantu::initialize(argc, argv);
Mesh circle(spatial_dimension);
circle.read("circle.msh");
circle.computeBoundingBox();
const Vector<Real> & l = circle.getLocalLowerBounds();
const Vector<Real> & u = circle.getLocalUpperBounds();
Real spacing[spatial_dimension] = {0.2, 0.2};
Vector<Real> s(spacing, spatial_dimension);
Vector<Real> c = u;
c += l;
c /= 2.;
SpatialGrid<Element> grid(spatial_dimension, s, c);
Vector<Real> bary(spatial_dimension);
Element el;
el.ghost_type = _not_ghost;
Mesh::type_iterator it = circle.firstType(spatial_dimension);
Mesh::type_iterator last_type = circle.lastType (spatial_dimension);
for(; it != last_type; ++it) {
UInt nb_element = circle.getNbElement(*it);
el.type = *it;
for (UInt e = 0; e < nb_element; ++e) {
circle.getBarycenter(e, el.type, bary.storage());
el.element = e;
grid.insert(el, bary);
}
}
std::cout << grid << std::endl;
Mesh mesh(spatial_dimension, "save");
grid.saveAsMesh(mesh);
mesh.write("grid.msh");
Vector<Real> pos(spatial_dimension);
const SpatialGrid<Element>::CellID & id = grid.getCellID(pos);
#if !defined AKANTU_NDEBUG
SpatialGrid<Element>::neighbor_cells_iterator nit = grid.beginNeighborCells(id);
SpatialGrid<Element>::neighbor_cells_iterator nend = grid.endNeighborCells(id);
for(;nit != nend; ++nit) {
std::cout << std::endl;
const SpatialGrid<Element>::Cell & cell = grid.getCell(*nit);
SpatialGrid<Element>::Cell::const_iterator cit = cell.begin();
SpatialGrid<Element>::Cell::position_iterator pit = cell.begin_pos();
SpatialGrid<Element>::Cell::const_iterator cend = cell.end();
for (; cit != cend; ++cit, ++pit) {
std::cout << *cit << " " << *pit << std::endl;
}
}
#endif
akantu::finalize();
return EXIT_SUCCESS;
}

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