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mesh_sphere_intersector.hh
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mesh_sphere_intersector.hh
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/**
* Copyright (©) 2015-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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_SPHERE_INTERSECTOR_HH_
#define AKANTU_MESH_SPHERE_INTERSECTOR_HH_
#include "aka_common.hh"
#include "mesh_geom_intersector.hh"
#include "mesh_geom_common.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
template <Int dim, ElementType type>
class MeshSphereIntersector
: public MeshGeomIntersector<dim, type, Line_arc<cgal::Spherical>,
cgal::Spherical::Sphere_3, cgal::Spherical> {
using SK = cgal::Spherical;
using K = cgal::Cartesian;
/// Parent class type
using parent_type =
MeshGeomIntersector<dim, type, Line_arc<SK>, SK::Sphere_3, SK>;
/// Result of intersection function type
using result_type =
typename IntersectionTypeHelper<TreeTypeHelper<Triangle<K>, K>,
K::Segment_3>::intersection_type;
/// Pair of intersection points and element id
using pair_type = std::pair<SK::Circular_arc_point_3, Int>;
public:
/// Construct from mesh
explicit MeshSphereIntersector(Mesh & mesh);
/// Destructor
virtual ~MeshSphereIntersector();
public:
/// Construct the primitive tree object
void constructData(GhostType ghost_type = _not_ghost) override;
/**
* @brief Computes the intersection of the mesh with a sphere
*/
void computeIntersectionQuery(const SK::Sphere_3 & /* query */) override {
AKANTU_ERROR("This function is not implemented for spheres (It was "
"to generic and has been replaced by "
"computeMeshQueryIntersectionPoint");
}
/**
* Compute intersection points between the mesh primitives (segments) and a
* query (surface in 3D or a curve in 2D), double intersection points for the
* same primitives are not considered. A maximum is set to the number of
* intersection nodes per element: 2 in 2D and 4 in 3D
*/
void computeMeshQueryIntersectionPoint(const SK::Sphere_3 & query,
Int nb_old_nodes) override;
/// Build the IGFEM mesh
void
buildResultFromQueryList(const std::list<SK::Sphere_3> & /*query*/) override {
AKANTU_ERROR("This function is no longer implemented to split "
"geometrical operations and dedicated result "
"construction");
}
/// Set the tolerance
void setToleranceIntersectionOnNode(UInt tol) {
this->tol_intersection_on_node = tol;
}
protected:
/// tolerance for which the intersection is considered on the mesh node
/// (relative to the segment lenght)
Real tol_intersection_on_node;
};
} // namespace akantu
#include "mesh_sphere_intersector_tmpl.hh"
#endif // AKANTU_MESH_SPHERE_INTERSECTOR_HH_

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