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rAKA/src/geometry/mesh_sphere_intersector.hh
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/**
* @file mesh_sphere_intersector.hh
*
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @author Lucas Frerot <lucas.frerot@epfl.ch>
* @author Clement Roux <clement.roux@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Tue Jun 23 2015
* @date last modification: Tue Feb 20 2018
*
* @brief Computation of mesh intersection with sphere(s)
*
* @section LICENSE
*
* Copyright (©) 2015-2018 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_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 <UInt 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
typedef MeshGeomIntersector<dim, type, Line_arc<SK>, SK::Sphere_3, SK>
parent_type;
/// Result of intersection function type
typedef typename IntersectionTypeHelper<TreeTypeHelper<Triangle<K>, K>,
K::Segment_3>::intersection_type
result_type;
/// Pair of intersection points and element id
typedef std::pair<SK::Circular_arc_point_3, UInt> pair_type;
public:
/// Construct from mesh
explicit MeshSphereIntersector(Mesh & mesh);
/// Destructor
virtual ~MeshSphereIntersector();
public:
/// Construct the primitive tree object
virtual void constructData(GhostType ghost_type = _not_ghost);
/**
* @brief Computes the intersection of the mesh with a sphere
*
* @param query (sphere) to compute the intersections with the mesh
*/
virtual void computeIntersectionQuery(const SK::Sphere_3 & /*query*/) {
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
virtual void computeMeshQueryIntersectionPoint(const SK::Sphere_3 & query,
UInt nb_old_nodes);
/// Build the IGFEM mesh
virtual void
buildResultFromQueryList(const std::list<SK::Sphere_3> & /*query*/) {
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;
};
} // akantu
#include "mesh_sphere_intersector_tmpl.hh"
#endif // __AKANTU_MESH_SPHERE_INTERSECTOR_HH__
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