gmap3.h 5.41 KB
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/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
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* Copyright (C) 2009-2011, IGG Team, LSIIT, University of Strasbourg           *
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*                                                                              *
* 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.           *
*                                                                              *
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* Web site: http://cgogn.u-strasbg.fr/                                         *
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* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#ifndef __GMAP3_H__
#define __GMAP3_H__

#include "Topology/gmap/gmap2.h"

namespace CGoGN
{

/**
* The class of 2-GMap
*/
class GMap3 : public GMap2
{
protected:
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	AttributeMultiVector<Dart>* m_beta3 ;
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	void init() ;

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public:
	GMap3();

	virtual std::string mapTypeName();

	virtual unsigned int dimension();

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	virtual void clear(bool removeAttrib);

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	/*! @name Basic Topological Operators
	 * Access and Modification
	 *************************************************************************/

	virtual Dart newDart();

	Dart beta3(Dart d);

	template <int N>
	Dart beta(const Dart d);

	Dart phi3(Dart d);

	template <int N>
	Dart phi(const Dart d);

	Dart alpha0(Dart d);

	Dart alpha1(Dart d);

	Dart alpha_1(Dart d);

	Dart alpha2(Dart d);

	Dart alpha_2(Dart d);

	void beta3sew(Dart d, Dart e);

	void beta3unsew(Dart d);

	void phi3sew(Dart d, Dart e);

	void phi3unsew(Dart d);



	//@{
	//! Delete a volume of
	/*! @param d a dart of volume
	 */
	void deleteOrientedVolume(Dart d);
	//@}

	/*! @name Topological Operators
	 *  Topological operations on 3-maps
	 *************************************************************************/

	//@{
	//! Sew two oriented volumes along their faces.
	/*! The oriented faces should not be phi3-linked and have the same length
	 *  @param d a dart of the first volume
	 *  @param e a dart of the second volume
	 */
	void sewVolumes(Dart d, Dart e);

	//! unsew two oriented volumes along their faces.
	/*! @param d a dart of one volume
	 */
	void unsewVolumes(Dart d);

	//! merge to volume sewed by one face
	/*! @param d a dart of common face
	 */
	bool mergeVolumes(Dart d);


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	//! Collapse an edge (that is deleted) possibly merging its vertices
	/*! If delDegenerateFaces is true, the method checks that no degenerate
	 *  faces are build (faces with less than 3 edges). If it occurs the faces
	 *  are deleted and the adjacencies are updated (see deleteIfDegenerated).
	 *  \warning This may produce two distinct vertices if the edge
	 *  was the only link between two border faces
	 *  @param d a dart in the deleted edge
	 *  @param delDegenerateFaces a boolean (default to true)
	 */
	virtual int collapseEdge(Dart d, bool delDegenerateFaces = true, bool delDegenerateVolumes = true);

	//!
	/*!
	 *
	 * @param
	 * @param
	 * @param
	 */
	virtual void collapseFace(Dart d, bool delDegenerateFaces = true, bool delDegenerateVolumes = true);

	//!
	/*!
	 *
	 */
	virtual Dart cutSpike(Dart d);


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	/*! @name Cell Functors
	 *  Apply functors to all darts of a cell
	 *************************************************************************/

	//@{

	/**
	* Apply a functor on each dart of a face
	* @param d a dart of the face
	* @param fonct functor obj ref
	*/
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	bool foreach_dart_of_vertex(Dart d, FunctorType& fonct, unsigned int thread=0);
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	/**
	* Apply a functor on each dart of an edge
	* @param d a dart of the oriented face
	* @param fonct functor obj ref
	*/
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	bool foreach_dart_of_edge(Dart d, FunctorType& fonct, unsigned int thread=0);
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	//! Apply a functor on every dart of a face
	/*! @param d a dart of the volume
	 *  @param f the functor to apply
	 */
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	bool foreach_dart_of_face(Dart d, FunctorType& fonct, unsigned int thread=0);
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	//! Apply a functor on every dart of a volume
	/*! @param d a dart of the volume
	 *  @param f the functor to apply
	 */
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	bool foreach_dart_of_volume(Dart d, FunctorType& fonct, unsigned int thread=0);
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	/**
	* Apply a functor on each dart of a cc
	* @param d a dart of the cc
	* @param fonct functor obj ref
	*/
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	bool foreach_dart_of_cc(Dart d, FunctorType& fonct, unsigned int thread=0);
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	//@}
};

} // namespace CGoGN

#include "Topology/gmap/gmap3.hpp"

#endif