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rAKA/src/geometry/mesh_tree_constructor_tmpl.hh
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mesh_tree_constructor_tmpl.hh
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/**
* @file mesh_tree_constructor_tmpl.hh
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @date creation: Thu Feb 26 2015
* @date last modification: Thu Feb 26 2015
*
* @brief Class for constructing the CGAL primitives of a mesh
*
* @section LICENSE
*
* Copyright (©) 2015 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef _AKANTU_MESH_TREE_CONSTRUCTOR_TMPL_HH__
#define _AKANTU_MESH_TREE_CONSTRUCTOR_TMPL_HH__
#include "aka_common.hh"
#include "mesh_tree_constructor.hh"
#include "tree_type_helper.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
template<UInt d, ElementType type>
MeshTreeConstructor<d, type>::~MeshTreeConstructor() {
delete data_tree;
}
template<>
void MeshTreeConstructor<2, _triangle_3>::constructData() {
/// Variable declaration instead of template arguments
const UInt d = 2;
const ElementType type = _triangle_3;
const GhostType ghost_type = _not_ghost;
primitive_list.clear();
UInt nb_nodes_per_element = mesh.getNbNodesPerElement(type);
const Array<UInt> & connectivity = mesh.getConnectivity(type, ghost_type);
const Array<Real> & nodes = mesh.getNodes();
Array<UInt>::const_vector_iterator it = connectivity.begin(nb_nodes_per_element);
Array<UInt>::const_vector_iterator end = connectivity.end(nb_nodes_per_element);
/// This loop builds the list of triangle primitives
for (; it != end ; ++it) {
const Vector<UInt> & el_connectivity = *it;
Matrix<Real> node_coordinates(d, nb_nodes_per_element);
for (UInt i = 0 ; i < nb_nodes_per_element ; i++)
for (UInt j = 0 ; j < d ; j++)
node_coordinates(j, i) = nodes(el_connectivity(i), j);
/// There's a problem here with constructors :
/// - 2D constructors take 2 arguments
/// - 3D constructors take 3 arguments
/// Need for a solution that can treat the two cases together
TreeTypeHelper<d, type>::point_type a(node_coordinates(0, 0), node_coordinates(1, 0), 0.);
TreeTypeHelper<d, type>::point_type b(node_coordinates(0, 1), node_coordinates(1, 1), 0.);
TreeTypeHelper<d, type>::point_type c(node_coordinates(0, 2), node_coordinates(1, 2), 0.);
/// Number of arguments here should not be a problem with polygon/polyhedra
/// Also it is possible to create tree or lists from polyhedric surfaces
TreeTypeHelper<d, type>::primitive_type t(a, b, c);
primitive_list.push_back(t);
}
/// Construct the tree
if (data_tree) {
delete data_tree;
data_tree = NULL;
}
data_tree = new TreeTypeHelper<d, type>::tree(primitive_list.begin(), primitive_list.end());
}
__END_AKANTU__
#endif // _AKANTU_MESH_TREE_CONSTRUCTOR_TMPL_HH__
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