map2MR_PrimalAdapt.h 4.91 KB
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/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg           *
*                                                                              *
* This library 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 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library 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 this library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
* Web site: http://cgogn.unistra.fr/                                           *
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#ifndef __MAP2MR_PRIMAL_ADAPT__
#define __MAP2MR_PRIMAL_ADAPT__

#include "Topology/map/embeddedMap2.h"
#include "Topology/generic/traversorCell.h"
#include "Topology/generic/traversor2.h"

#include <cmath>

namespace CGoGN
{

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namespace Algo
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{
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namespace MR
{

namespace Primal
{

namespace Adaptive
{

template <typename PFP>
class Map2MR
{

public:
	typedef typename PFP::MAP MAP ;
	typedef typename PFP::VEC3 VEC3 ;
	typedef typename PFP::REAL REAL ;

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protected:
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	MAP& m_map;
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	bool shareVertexEmbeddings ;

	FunctorType* vertexVertexFunctor ;
	FunctorType* edgeVertexFunctor ;
	FunctorType* faceVertexFunctor ;

public:
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	Map2MR(MAP& map) ;
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	/***************************************************
	 *               CELLS INFORMATION                 *
	 ***************************************************/

	/**
	 * Return the level of the edge of d in the current level map
	 */
	unsigned int edgeLevel(Dart d) ;

	/**
	 * Return the level of the face of d in the current level map
	 */
	unsigned int faceLevel(Dart d) ;

	/**
	 * Given the face of d in the current level map,
	 * return a level 0 dart of its origin face
	 */
	Dart faceOrigin(Dart d) ;

	/**
	 * Return the oldest dart of the face of d in the current level map
	 */
	Dart faceOldestDart(Dart d) ;

	/**
	 * Return true if the edge of d in the current level map
	 * has already been subdivided to the next level
	 */
	bool edgeIsSubdivided(Dart d) ;

	/**
	 * Return true if the edge of d in the current level map
	 * is subdivided to the next level,
	 * none of its resulting edges is in turn subdivided to the next level
	 * and the middle vertex is of degree 2
	 */
	bool edgeCanBeCoarsened(Dart d) ;

	/**
	 * Return true if the face of d in the current level map
	 * has already been subdivided to the next level
	 */
	bool faceIsSubdivided(Dart d) ;

	/**
	 * Return true if the face of d in the current level map
	 * is subdivided to the next level
	 * and none of its resulting faces is in turn subdivided to the next level
	 */
	bool faceIsSubdividedOnce(Dart d) ;


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protected:
	/**
	 *
	 */
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	Dart cutEdge(Dart d) ;
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	/**
	 *
	 */
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	void splitFace(Dart d, Dart e) ;
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	/***************************************************
	 *               SUBDIVISION                       *
	 ***************************************************/

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	/**
	 * subdivide the edge of d to the next level
	 */
	void subdivideEdge(Dart d) ;

	/**
	 * coarsen the edge of d from the next level
	 */
	void coarsenEdge(Dart d) ;

public:
	/**
	 * subdivide the face of d to the next level
	 */
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	unsigned int subdivideFace(Dart d, bool triQuad = true, bool OneLevelDifference = true);
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	/**
	 * coarsen the face of d from the next level
	 */
	void coarsenFace(Dart d) ;

	/**
	 * vertices attributes management
	 */
	void setVertexVertexFunctor(FunctorType* f) { vertexVertexFunctor = f ; }
	void setEdgeVertexFunctor(FunctorType* f) { edgeVertexFunctor = f ; }
	void setFaceVertexFunctor(FunctorType* f) { faceVertexFunctor = f ; }
} ;

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} // namespace Adaptive

} // namespace Primal

} // namespace MR

} // namespace Algo

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} // namespace CGoGN

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#include "Algo/Multiresolution/map2MR/map2MR_PrimalAdapt.hpp"

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#endif