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rAKA/src/geometry/aabb_primitives/aabb_primitive.hh
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aabb_primitive.hh
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/**
* @file aabb_primitive.hh
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @date creation: Fri Mar 13 2015
* @date last modification: Fri Mar 13 2015
*
* @brief Macro classe (primitive) for AABB CGAL algos
*
* @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_AABB_PRIMITIVE_HH__
#define __AKANTU_AABB_PRIMITIVE_HH__
#include "aka_common.hh"
#include "triangle.hh"
#include "tetrahedron.hh"
__BEGIN_AKANTU__
typedef CGAL::Cartesian<Real> Kernel;
/**
* This macro defines a class that is used in the CGAL AABB tree algorithm.
* All the `typedef`s and methods are required by the AABB module.
*
* The member variables are
* - the id of the element associated to the primitive
* - the geometric primitive of the element
*
* @param name the name of the primitive type
*/
#define AKANTU_AABB_CLASS(name) \
class name##_primitive { \
typedef std::list< name<Kernel> >::iterator Iterator; \
\
public: \
typedef UInt Id; \
typedef Kernel::Point_3 Point; \
typedef Kernel::name##_3 Datum; \
\
public: \
name##_primitive() : meshId(0), primitive() {} \
name##_primitive(Iterator it) : meshId(it->id()), primitive(*it) {} \
\
public: \
const Datum & datum() const { return primitive; } \
const Point & reference_point() const { return primitive.vertex(0); } \
const Id & id() const { return meshId; } \
\
protected: \
Id meshId; \
name<Kernel> primitive; \
\
}
// If the primitive is supported by CGAL::intersection() then the
// implementation process is really easy with this macro
AKANTU_AABB_CLASS(Triangle);
AKANTU_AABB_CLASS(Tetrahedron);
#undef AKANTU_AABB_CLASS
__END_AKANTU__
#endif // __AKANTU_AABB_PRIMITIVE_HH__
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