Diffusion akantu (bugfixes/39-the-python-example-for-phasefield-are-broken-due-to-a-change-to-setintegrationscheme) Browse

39-the-python…

Last Change

Raw File

mesh_geom_factory_tmpl.hh
View Options

			/**
			* @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: Tue Sep 08 2020
			*
			* @brief Class for constructing the CGAL primitives of a mesh
			*
			*
			* @section LICENSE
			*
			* Copyright (©) 2015-2021 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 "mesh_geom_common.hh"
			#include "mesh_geom_factory.hh"
			/* -------------------------------------------------------------------------- */

			#ifndef AKANTU_MESH_GEOM_FACTORY_TMPL_HH_
			#define AKANTU_MESH_GEOM_FACTORY_TMPL_HH_

			namespace akantu {

			/* -------------------------------------------------------------------------- */
			template <UInt dim, ElementType type, class Primitive, class Kernel>
			MeshGeomFactory<dim, type, Primitive, Kernel>::MeshGeomFactory(Mesh & mesh)
			: MeshGeomAbstract(mesh) {}

			/* -------------------------------------------------------------------------- */
			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;
			auto it = connectivity.begin(nb_nodes_per_element);
			auto 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_::is_valid) {
			data_tree = new TreeType(primitive_list.begin(), primitive_list.end());
			}

			AKANTU_DEBUG_OUT();
			}

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

			/* -------------------------------------------------------------------------- */
			namespace {
			namespace details {
			enum class GeometricalType {
			_triangle,
			_tetrahedron,
			};
			template <ElementType element_type> struct GeometricalTypeHelper {};

			template <> struct GeometricalTypeHelper<_triangle_3> {
			static const GeometricalType type{GeometricalType::_triangle};
			};

			template <> struct GeometricalTypeHelper<_triangle_6> {
			static const GeometricalType type{GeometricalType::_triangle};
			};

			template <> struct GeometricalTypeHelper<_tetrahedron_4> {
			static const GeometricalType type{GeometricalType::_triangle};
			};

			#if defined(AKANTU_IGFEM)
			template <> struct GeometricalTypeHelper<_igfem_triangle_4> {
			static const GeometricalType type{GeometricalType::_triangle};
			};
			template <> struct GeometricalTypeHelper<_igfem_triangle_5> {
			static const GeometricalType type{GeometricalType::_triangle};
			};
			#endif

			template <details::GeometricalType geom_type, class Primitive, class Kernel>
			struct AddPrimitiveHelper {};

			template <class Primitive>
			struct AddPrimitiveHelper<GeometricalType::_triangle, Primitive,
			cgal::Cartesian> {
			using TreeTypeHelper_ = TreeTypeHelper<Primitive, cgal::Cartesian>;
			using ContainerType = typename TreeTypeHelper_::container_type;
			static void addPrimitive(const Matrix<Real> & node_coordinates, UInt id,
			ContainerType & list) {
			using Point = typename TreeTypeHelper_::point_type;
			Point a(node_coordinates(0, 0), node_coordinates(1, 0), 0.);
			Point b(node_coordinates(0, 1), node_coordinates(1, 1), 0.);
			Point c(node_coordinates(0, 2), node_coordinates(1, 2), 0.);

			Triangle<cgal::Cartesian> t(a, b, c);
			t.setId(id);
			list.push_back(t);
			}
			};

			template <class Primitive>
			struct AddPrimitiveHelper<GeometricalType::_triangle, Primitive,
			cgal::Spherical> {
			using TreeTypeHelper_ = TreeTypeHelper<Primitive, cgal::Spherical>;
			using ContainerType = typename TreeTypeHelper_::container_type;
			static void addPrimitive(const Matrix<Real> & node_coordinates, UInt id,
			ContainerType & list) {
			using Point = typename TreeTypeHelper_::point_type;
			Point a(node_coordinates(0, 0), node_coordinates(1, 0), 0.);
			Point b(node_coordinates(0, 1), node_coordinates(1, 1), 0.);
			Point c(node_coordinates(0, 2), node_coordinates(1, 2), 0.);

			using Line = CGAL::Line_3<cgal::Spherical>;
			Line l1(a, b);
			Line l2(b, c);
			Line l3(c, a);

			using Arc = Line_arc<cgal::Spherical>;
			Arc s1(l1, a, b);
			Arc s2(l2, b, c);
			Arc 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);
			}
			};

			template <class Primitive>
			struct AddPrimitiveHelper<GeometricalType::_tetrahedron, Primitive,
			cgal::Cartesian> {
			using TreeTypeHelper_ = TreeTypeHelper<Primitive, cgal::Cartesian>;
			using ContainerType = typename TreeTypeHelper_::container_type;
			static void addPrimitive(const Matrix<Real> & node_coordinates, UInt id,
			ContainerType & list) {
			using Point = typename TreeTypeHelper_::point_type;
			Point a(node_coordinates(0, 0), node_coordinates(1, 0),
			node_coordinates(2, 0));
			Point b(node_coordinates(0, 1), node_coordinates(1, 1),
			node_coordinates(2, 1));
			Point c(node_coordinates(0, 2), node_coordinates(1, 2),
			node_coordinates(2, 2));
			Point d(node_coordinates(0, 3), node_coordinates(1, 3),
			node_coordinates(2, 3));

			Triangle<cgal::Cartesian> t1(a, b, c);
			Triangle<cgal::Cartesian> t2(b, c, d);
			Triangle<cgal::Cartesian> t3(c, d, a);
			Triangle<cgal::Cartesian> 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);
			}
			};
			} // namespace details
			} // namespace

			/* -------------------------------------------------------------------------- */
			template <UInt dim, ElementType type, class Primitive, class Kernel>
			void MeshGeomFactory<dim, type, Primitive, Kernel>::addPrimitive(
			const Matrix<Real> & node_coordinates, UInt id, ContainerType & list) {
			details::AddPrimitiveHelper<details::GeometricalTypeHelper<type>::type,
			Primitive, Kernel>::addPrimitive(node_coordinates,
			id, list);
			}

			/* -------------------------------------------------------------------------- */
			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);
			}

			} // namespace akantu

			#endif // AKANTU_MESH_GEOM_FACTORY_TMPL_HH_

rAKA/src/geometry/mesh_geom_factory_tmpl.hhbf256d3a02cdbugfixes/39-the-python…

mesh_geom_factory_tmpl.hhView Options

rAKA/src/geometry/mesh_geom_factory_tmpl.hh
bf256d3a02cdbugfixes/39-the-python…

mesh_geom_factory_tmpl.hh
View Options