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rAKA/src/geometry/mesh_geom_factory_tmpl.hh
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mesh_geom_factory_tmpl.hh
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/**
* @file mesh_geom_factory_tmpl.hh
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
* @author Clement Roux <clement.roux@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Fri Feb 27 2015
* @date last modification: Thu Jan 14 2016
*
* @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_GEOM_FACTORY_TMPL_HH__
#define __AKANTU_MESH_GEOM_FACTORY_TMPL_HH__
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "mesh_geom_common.hh"
#include "mesh_geom_factory.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
template<UInt dim, ElementType type, class Primitive, class Kernel>
MeshGeomFactory<dim, type, Primitive, Kernel>::MeshGeomFactory(Mesh & mesh) :
MeshGeomAbstract(mesh),
data_tree(NULL),
primitive_list()
{}
template<UInt dim, ElementType type, class Primitive, class Kernel>
MeshGeomFactory<dim, type, Primitive, Kernel>::~MeshGeomFactory() {
delete data_tree;
}
/**
* This function loops over the elements of `type` in the mesh and creates the
* AABB tree of geometrical primitves (`data_tree`).
*/
template<UInt dim, ElementType type, class Primitive, class Kernel>
void MeshGeomFactory<dim, type, Primitive, Kernel>::constructData(GhostType ghost_type) {
AKANTU_DEBUG_IN();
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();
UInt el_index = 0;
Array<UInt>::const_vector_iterator it = connectivity.begin(nb_nodes_per_element);
Array<UInt>::const_vector_iterator end = connectivity.end(nb_nodes_per_element);
Matrix<Real> node_coordinates(dim, nb_nodes_per_element);
// This loop builds the list of primitives
for (; it != end ; ++it, ++el_index) {
const Vector<UInt> & el_connectivity = *it;
for (UInt i = 0 ; i < nb_nodes_per_element ; i++)
for (UInt j = 0 ; j < dim ; j++)
node_coordinates(j, i) = nodes(el_connectivity(i), j);
// the unique elemental id assigned to the primitive is the
// linearized element index over ghost type
addPrimitive(node_coordinates, el_index);
}
delete data_tree;
// This condition allows the use of the mesh geom module
// even if types are not compatible with AABB tree algorithm
if (TreeTypeHelper<Primitive, Kernel>::is_valid)
data_tree = new typename TreeTypeHelper<Primitive, Kernel>::tree(primitive_list.begin(), primitive_list.end());
AKANTU_DEBUG_OUT();
}
template<UInt dim, ElementType type, class Primitive, class Kernel>
void MeshGeomFactory<dim, type, Primitive, Kernel>::addPrimitive(const Matrix<Real> & node_coordinates,
UInt id) {
this->addPrimitive(node_coordinates, id, this->primitive_list);
}
// (2D, _triangle_3) decomposed into Triangle<Cartesian>
template<>
inline void MeshGeomFactory<2, _triangle_3, Triangle<Cartesian>, Cartesian>::addPrimitive(
const Matrix<Real> & node_coordinates,
UInt id,
TreeTypeHelper<Triangle<Cartesian>, Cartesian>::container_type & list) {
TreeTypeHelper<Triangle<Cartesian>, Cartesian>::point_type
a(node_coordinates(0, 0), node_coordinates(1, 0), 0.),
b(node_coordinates(0, 1), node_coordinates(1, 1), 0.),
c(node_coordinates(0, 2), node_coordinates(1, 2), 0.);
Triangle<Cartesian> t(a, b, c);
t.setId(id);
list.push_back(t);
}
// (2D, _triangle_6) decomposed into Triangle<Cartesian>
template<>
inline void MeshGeomFactory<2, _triangle_6, Triangle<Cartesian>, Cartesian>::addPrimitive(
const Matrix<Real> & node_coordinates,
UInt id,
TreeTypeHelper<Triangle<Cartesian>, Cartesian>::container_type & list) {
TreeTypeHelper<Triangle<Cartesian>, Cartesian>::point_type
a(node_coordinates(0, 0), node_coordinates(1, 0), 0.),
b(node_coordinates(0, 1), node_coordinates(1, 1), 0.),
c(node_coordinates(0, 2), node_coordinates(1, 2), 0.);
Triangle<Cartesian> t(a, b, c);
t.setId(id);
list.push_back(t);
}
// (2D, _triangle_3) decomposed into Line_arc<Spherical>
template<>
inline void MeshGeomFactory<2, _triangle_3, Line_arc<Spherical>, Spherical>::addPrimitive(
const Matrix<Real> & node_coordinates,
UInt id,
TreeTypeHelper<Line_arc<Spherical>, Spherical>::container_type & list) {
TreeTypeHelper<Line_arc<Spherical>, Spherical>::point_type
a(node_coordinates(0, 0), node_coordinates(1, 0), 0.),
b(node_coordinates(0, 1), node_coordinates(1, 1), 0.),
c(node_coordinates(0, 2), node_coordinates(1, 2), 0.);
/*std::cout << "elem " << id << " node 1 : x_node=" << node_coordinates(0, 0)
<< ", x_arc_node=" << a.x() << ", y_node=" << node_coordinates(1, 0)
<< ", y_arc_node=" << a.y() << std::endl ;
std::cout << "elem " << id << " node 2 : x_node=" << node_coordinates(0, 1)
<< ", x_arc_node=" << b.x() << ", y_node=" << node_coordinates(1, 1)
<< ", y_arc_node=" << b.y() << std::endl ;
std::cout << "elem " << id << " node 2 : x_node=" << node_coordinates(0, 2)
<< ", x_arc_node=" << c.x() << ", y_node=" << node_coordinates(1, 2)
<< ", y_arc_node=" << c.y() << std::endl ;*/
CGAL::Line_3<Spherical> l1(a, b), l2(b, c), l3(c, a);
Line_arc<Spherical> s1(l1,a, b), s2(l2, b, c), s3(l3, c, a);
s1.setId(id); s1.setSegId(0);
s2.setId(id); s2.setSegId(1);
s3.setId(id); s3.setSegId(2);
list.push_back(s1);
list.push_back(s2);
list.push_back(s3);
}
#if defined(AKANTU_IGFEM)
// (2D, _igfem_triangle_4) decomposed into Line_arc<Spherical>
template<>
inline void MeshGeomFactory<2, _igfem_triangle_4, Line_arc<Spherical>, Spherical>::addPrimitive(
const Matrix<Real> & node_coordinates,
UInt id,
TreeTypeHelper<Line_arc<Spherical>, Spherical>::container_type & list) {
TreeTypeHelper<Line_arc<Spherical>, Spherical>::point_type
a(node_coordinates(0, 0), node_coordinates(1, 0), 0.),
b(node_coordinates(0, 1), node_coordinates(1, 1), 0.),
c(node_coordinates(0, 2), node_coordinates(1, 2), 0.);
CGAL::Line_3<Spherical> l1(a, b), l2(b, c), l3(c, a);
Line_arc<Spherical> s1(l1,a, b), s2(l2, b, c), s3(l3, c, a);
s1.setId(id); s1.setSegId(0);
s2.setId(id); s2.setSegId(1);
s3.setId(id); s3.setSegId(2);
list.push_back(s1);
list.push_back(s2);
list.push_back(s3);
}
// (2D, _igfem_triangle_4) decomposed into Line_arc<Spherical>
template<>
inline void MeshGeomFactory<2, _igfem_triangle_5, Line_arc<Spherical>, Spherical>::addPrimitive(
const Matrix<Real> & node_coordinates,
UInt id,
TreeTypeHelper<Line_arc<Spherical>, Spherical>::container_type & list) {
TreeTypeHelper<Line_arc<Spherical>, Spherical>::point_type
a(node_coordinates(0, 0), node_coordinates(1, 0), 0.),
b(node_coordinates(0, 1), node_coordinates(1, 1), 0.),
c(node_coordinates(0, 2), node_coordinates(1, 2), 0.);
CGAL::Line_3<Spherical> l1(a, b), l2(b, c), l3(c, a);
Line_arc<Spherical> s1(l1,a, b), s2(l2, b, c), s3(l3, c, a);
s1.setId(id); s1.setSegId(0);
s2.setId(id); s2.setSegId(1);
s3.setId(id); s3.setSegId(2);
list.push_back(s1);
list.push_back(s2);
list.push_back(s3);
}
#endif
// (3D, _tetrahedron_4) decomposed into Triangle<Cartesian>
template<>
inline void MeshGeomFactory<3, _tetrahedron_4, Triangle<Cartesian>, Cartesian>::addPrimitive(
const Matrix<Real> & node_coordinates,
UInt id,
TreeTypeHelper<Triangle<Cartesian>, Cartesian>::container_type & list) {
TreeTypeHelper<Triangle<Cartesian>, Cartesian>::point_type
a(node_coordinates(0, 0), node_coordinates(1, 0), node_coordinates(2, 0)),
b(node_coordinates(0, 1), node_coordinates(1, 1), node_coordinates(2, 1)),
c(node_coordinates(0, 2), node_coordinates(1, 2), node_coordinates(2, 2)),
d(node_coordinates(0, 3), node_coordinates(1, 3), node_coordinates(2, 3));
Triangle<Cartesian>
t1(a, b, c),
t2(b, c, d),
t3(c, d, a),
t4(d, a, b);
t1.setId(id);
t2.setId(id);
t3.setId(id);
t4.setId(id);
list.push_back(t1);
list.push_back(t2);
list.push_back(t3);
list.push_back(t4);
}
__END_AKANTU__
#endif // __AKANTU_MESH_GEOM_FACTORY_TMPL_HH__
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