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mesh_abstract_intersector.hh
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/**
* @file mesh_abstract_intersector.hh
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
*
* @date creation: Mon Jul 13 2015
* @date last modification: Mon Jul 13 2015
*
* @brief Abstract class for intersection computations
*
* @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_ABSTRACT_INTERSECTOR_HH__
#define __AKANTU_MESH_ABSTRACT_INTERSECTOR_HH__
#include "aka_common.hh"
#include "mesh_geom_abstract.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/**
* @brief Class used to perform intersections on a mesh and construct output data
*/
template<class Query>
class MeshAbstractIntersector : public MeshGeomAbstract {
public:
/// Construct from mesh
explicit MeshAbstractIntersector(Mesh & mesh);
/// Destructor
virtual ~MeshAbstractIntersector();
public:
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// get the new_node_per_elem array
AKANTU_GET_MACRO(NewNodePerElem, *new_node_per_elem, const Array<UInt> &);
/// get the intersection_points array
AKANTU_GET_MACRO(IntersectionPoints, intersection_points, const Array<Real> *);
/// get the nb_seg_by_el UInt
AKANTU_GET_MACRO(NbSegByEl, nb_seg_by_el, const UInt);
/**
* @brief Compute the intersection with a query object
*
* This function needs to be implemented for every subclass. It computes the intersections
* with the tree of primitives and creates the data for the user.
*
* @param query the CGAL primitive of the query object
*/
virtual void computeIntersectionQuery(const Query & query) = 0;
/// 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 intersection node per element is set : 2 in 2D and 4 in 3D
virtual void computeMeshQueryIntersectionPoint(const Query & query, UInt nb_old_nodes) = 0;
/// Compute intersection between the mesh and a list of queries
virtual void computeIntersectionQueryList(const std::list<Query> & query_list);
/// Compute intersection points between the mesh and a list of queries
virtual void computeMeshQueryListIntersectionPoint(const std::list<Query> & query_list,
UInt nb_old_nodes);
/// Compute whatever result is needed from the user (should be move to the appropriate specific classe for genericity)
virtual void buildResultFromQueryList(const std::list<Query> & query_list) = 0;
protected:
/// new node per element (column 0: number of new nodes, then odd is the intersection node number and even the ID of the intersected segment)
Array<UInt> * new_node_per_elem;
/// intersection output: new intersection points (computeMeshQueryListIntersectionPoint)
Array<Real> * intersection_points;
/// number of segment in a considered element of the templated type of element specialized intersector
const UInt nb_seg_by_el;
};
__END_AKANTU__
#include "mesh_abstract_intersector_tmpl.hh"
#endif // __AKANTU_MESH_ABSTRACT_INTERSECTOR_HH__

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