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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 Frérot <lucas.frerot@epfl.ch>
*
* @date creation: Fri Feb 27 2015
* @date last modification: Thu Mar 5 2015
*
* @brief Converts element types of a mesh to CGAL primitive types
*
* @section LICENSE
*
* Copyright (©) 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_TREE_TYPE_HELPER_HH__
#define __AKANTU_TREE_TYPE_HELPER_HH__
#include "aka_common.hh"
#include "triangle.hh"
#include "tetrahedron.hh"
#include "aabb_primitive.hh"
#include <CGAL/Cartesian.h>
#include <CGAL/AABB_traits.h>
#include <CGAL/AABB_tree.h>
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
typedef CGAL::Cartesian<Real> CartKern;
/// Helper class used to ease the use of CGAL AABB tree algorithm
template<class Primitive, class Kernel>
struct TreeTypeHelper;
/**
* Macro used to specialize TreeTypeHelper
* @param my_primitive associated primitive type
* @param my_kernel kernel type
*/
#define TREE_TYPE_HELPER_MACRO(my_primitive, my_kernel) \
template<> \
struct TreeTypeHelper<my_primitive<my_kernel>, my_kernel> { \
typedef my_primitive<my_kernel> primitive_type; \
typedef my_primitive##_primitive aabb_primitive_type; \
typedef CGAL::Point_3<my_kernel> point_type; \
\
typedef std::list<primitive_type> container_type; \
typedef container_type::iterator iterator; \
typedef CGAL::AABB_traits<my_kernel, aabb_primitive_type> aabb_traits_type; \
typedef CGAL::AABB_tree<aabb_traits_type> tree; \
}
TREE_TYPE_HELPER_MACRO(Triangle, CartKern);
#undef TREE_TYPE_HELPER_MACRO
/// Helper class used to ease the use of intersections
template<class TTHelper, class Query>
struct IntersectionTypeHelper;
template<>
struct IntersectionTypeHelper<TreeTypeHelper<Triangle<CartKern>, CartKern>, CartKern::Segment_3> {
typedef boost::optional<
TreeTypeHelper<Triangle<CartKern>, CartKern>::tree::Intersection_and_primitive_id<CartKern::Segment_3>::Type
> intersection_type;
};
__END_AKANTU__
#endif // __AKANTU_TREE_TYPE_HELPER_HH__
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