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rAKA/src/geometry/tree_type_helper.hh
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tree_type_helper.hh
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/**
* @file tree_type_helper.hh
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
*
* @date creation: Fri Jan 04 2013
* @date last modification: Thu Feb 01 2018
*
* @brief Converts element types of a mesh to CGAL primitive types
*
*
* @section LICENSE
*
* Copyright (©) 2014-2021 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_TREE_TYPE_HELPER_HH_
#define AKANTU_TREE_TYPE_HELPER_HH_
#include "aka_common.hh"
#include "line_arc.hh"
#include "tetrahedron.hh"
#include "triangle.hh"
#include "aabb_primitive.hh"
#include "mesh_geom_common.hh"
#include <CGAL/AABB_traits.h>
#include <CGAL/AABB_tree.h>
namespace akantu {
/* -------------------------------------------------------------------------- */
/// Replacement class for algorithm that can't use the AABB tree types
template <typename iterator> struct VoidTree {
VoidTree(const iterator & /*begin*/, const iterator & /*end*/) {}
};
/// Helper class used to ease the use of CGAL AABB tree algorithm
template <class Primitive, class Kernel> struct TreeTypeHelper {
static const bool is_valid = false;
using primitive_type = Primitive;
using container_type = typename std::list<primitive_type>;
using iterator = typename container_type::iterator;
using const_iterator = typename container_type::const_iterator;
using point_type = typename CGAL::Point_3<Kernel>;
using tree = VoidTree<iterator>;
};
/// Helper class used to ease the use of intersections
template <class TTHelper, class Query> struct IntersectionTypeHelper;
/**
* Macro used to specialize TreeTypeHelper
* @param my_primitive associated primitive type
* @param my_query query_type
* @param my_kernel kernel type
*/
#define TREE_TYPE_HELPER_MACRO(my_primitive, my_query, my_kernel) \
template <> \
struct TreeTypeHelper<my_primitive<my_kernel> /*NOLINT*/, my_kernel> { \
static const bool is_valid = true; \
using primitive_type = my_primitive<my_kernel>; /*NOLINT*/ \
using aabb_primitive_type = my_primitive##_primitive; \
using point_type = CGAL::Point_3<my_kernel>; \
using container_type = std::list<primitive_type>; \
using iterator = container_type::iterator; \
using aabb_traits_type = \
CGAL::AABB_traits<my_kernel, aabb_primitive_type>; \
using tree = CGAL::AABB_tree<aabb_traits_type>; \
using id_type = tree::Primitive_id; \
}; \
\
template <> \
struct IntersectionTypeHelper< \
TreeTypeHelper<my_primitive<my_kernel>, /*NOLINT*/ my_kernel>, \
my_query> { \
typedef boost::optional<TreeTypeHelper< \
my_primitive<my_kernel>, /*NOLINT*/ \
my_kernel>::tree::Intersection_and_primitive_id<my_query>::Type> \
intersection_type; \
}
TREE_TYPE_HELPER_MACRO(Triangle, cgal::Cartesian::Segment_3, cgal::Cartesian);
// TREE_TYPE_HELPER_MACRO(Line_arc, cgal::Spherical::Sphere_3, cgal::Spherical);
#undef TREE_TYPE_HELPER_MACRO
} // namespace akantu
#endif // AKANTU_TREE_TYPE_HELPER_HH_
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