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mesh_geom_factory_tmpl.hh
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			/**
			* @file mesh_geom_factory_tmpl.hh
			*
			* @author Lucas Frérot <lucas.frerot@epfl.ch>
			*
			* @date creation: Thu Feb 26 2015
			* @date last modification: Fri Mar 6 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_GEOM_FACTORY_TMPL_HH__
			#define __AKANTU_MESH_GEOM_FACTORY_TMPL_HH__

			/* -------------------------------------------------------------------------- */

			#include "aka_common.hh"
			#include "mesh_geom_factory.hh"

			#include <CGAL/Cartesian.h>

			/* -------------------------------------------------------------------------- */

			__BEGIN_AKANTU__

			typedef CGAL::Cartesian<Real> Cartesian;

			template<UInt dim, ElementType type, class Primitive, class Kernel>
			MeshGeomFactory<dim, type, Primitive, Kernel>::MeshGeomFactory(const 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() {
			AKANTU_DEBUG_IN();

			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 begin = connectivity.begin(nb_nodes_per_element);
			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 primitives
			for (; it != end ; ++it) {
			const Vector<UInt> & el_connectivity = *it;
			Matrix<Real> node_coordinates(dim, nb_nodes_per_element);

			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);

			addPrimitive(node_coordinates, it - begin);
			}

			delete data_tree;

			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 and _triangle_3 implementation
			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);
			}

			// 3D and _tetrahedron_4 with triangles implementation
			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__

rAKA/src/geometry/mesh_geom_factory_tmpl.hhbbba53beef35bugfixes/ci_deploy_fixes

mesh_geom_factory_tmpl.hhView Options

rAKA/src/geometry/mesh_geom_factory_tmpl.hh
bbba53beef35bugfixes/ci_deploy_fixes

mesh_geom_factory_tmpl.hh
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