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mesh_sphere_intersector.hh
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Tue, Jun 11, 02:53

mesh_sphere_intersector.hh
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/**
* @file mesh_sphere_intersector.hh
*
* @author Clement Roux-Langlois <clement.roux@epfl.ch>
*
* @date creation: Wed Jun 10 2015
*
* @brief Computation of mesh intersection with sphere(s)
*
* @section LICENSE
*
* Copyright (©) 2010-2015 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_SPHERE_INTERSECTOR_HH__
#define __AKANTU_MESH_SPHERE_INTERSECTOR_HH__
#include "aka_common.hh"
#include "mesh_geom_intersector.hh"
#include "mesh_geom_common.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
/* class for new igfem elements mesh events */
/* -------------------------------------------------------------------------- */
#if defined(AKANTU_IGFEM)
class NewIGFEMElementsEvent : public NewElementsEvent {
public:
AKANTU_GET_MACRO_NOT_CONST(OldElementsList, old_elements, Array<Element> &);
AKANTU_GET_MACRO(OldElementsList, old_elements, const Array<Element> &);
protected:
Array<Element> old_elements;
};
class NewIGFEMNodesEvent : public NewNodesEvent {
public:
void setNewNodePerElem(const ElementTypeMapUInt & new_node_per_elem) {
this->new_node_per_elem = &new_node_per_elem;
}
void setType(ElementType new_type) {type = new_type;}
AKANTU_GET_MACRO(NewNodePerElem, *new_node_per_elem, const ElementTypeMapUInt &);
AKANTU_GET_MACRO(ElementType, type, ElementType);
protected:
ElementType type;
const ElementTypeMapUInt * new_node_per_elem;
};
#endif
/// Here, we know what kernel we have to use
typedef Spherical SK;
template<UInt dim, ElementType type>
class MeshSphereIntersector : public MeshGeomIntersector<dim, type, Line_arc<SK>, SK::Sphere_3, SK> {
/// 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,
const ID & id = "mesh_sphere_intersector",
const MemoryID & memory_id = 0);
/// Destructor
virtual ~MeshSphereIntersector();
public:
/// Construct the primitive tree object
virtual void constructData();
/**
* @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);
/// Compute intersection points between the mesh and a query
virtual void computeMeshQueryIntersectionPoint(const SK::Sphere_3 & query);
/// Build the IGFEM mesh
virtual void buildResultFromQueryList(const std::list<SK::Sphere_3> & query);
/// Remove the additionnal nodes
void removeAdditionnalNodes();
/// 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;
/// number of fem nodes in the initial mesh
const UInt nb_nodes_fem;
/// number of primitive in an element of the template type
UInt nb_prim_by_el;
};
__END_AKANTU__
#include "mesh_sphere_intersector_tmpl.hh"
#endif // __AKANTU_MESH_SPHERE_INTERSECTOR_HH__

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