embeddedMap2.h 5.42 KB
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/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
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* Copyright (C) 2009-2012, 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.unistra.fr/                                           *
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* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#ifndef __EMBEDDED_MAP2_H__
#define __EMBEDDED_MAP2_H__

#include "Topology/map/map2.h"
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#include "Topology/generic/mapImpl/mapMono.h"
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namespace CGoGN
{

/**
* Class of 2-dimensional maps
* with managed embeddings
*/
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class EmbeddedMap2 : public Map2<MapMono>
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{
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	EmbeddedMap2(const EmbeddedMap2& m):Map2<MapMono>(m)  {}
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public:
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	typedef MapMono IMPL;
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	typedef Map2<MapMono> TOPO_MAP;
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	static const unsigned int DIMENSION = TOPO_MAP::DIMENSION ;
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	EmbeddedMap2() {}

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	/*
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	 */
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	Dart newPolyLine(unsigned int nbEdges) ;
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	/*
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	 */
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	Dart newFace(unsigned int nbEdges, bool withBoundary = true) ;
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	/**
	 * The attributes attached to the old vertex are duplicated on both resulting vertices
	 */
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	void splitVertex(Dart d, Dart e) ;
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	/**
	 * The attributes attached to the face of d are kept on the resulting face
	 */
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	Dart deleteVertex(Dart d) ;
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	/**
	 * The attributes attached to the old edge are duplicated on both resulting edges
	 */
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	Dart cutEdge(Dart d) ;
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	/**
	 * The attributes attached to the edge of d are kept on the resulting edge
	 */
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	bool uncutEdge(Dart d) ;
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	/**
	 * Check if the edge of d can be collapsed or not based on some topological conditions
	 * @param d a dart of the edge to test
	 * @return true if the edge can be collapsed, false otherwise
	 */
	bool edgeCanCollapse(Dart d) ;

	/**
	 * The attributes attached to the vertex of dart d are kept on the resulting vertex
	 * See 'collapseDegeneratedFace' to see what can happen to edges attributes
	 * Nothing has to be done for the faces (some degenerate ones can be deleted)
	 */
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	Dart collapseEdge(Dart d, bool delDegenerateFaces = true) ;
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	/**
	 * No cell is created or deleted
	 */
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	bool flipEdge(Dart d) ;
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	/**
	 * No cell is created or deleted
	 */
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	bool flipBackEdge(Dart d) ;
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	/*
	 *
	 */
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	void swapEdges(Dart d, Dart e);
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	/**
	 * The attributes attached to the vertex of dart d are kept on the resulting vertex
	 * The attributes attached to the face of dart d are overwritten on the face of dart e
	 */
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	void insertEdgeInVertex(Dart d, Dart e);
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	/**
	 * The attributes attached to the vertex of dart d are kept on the resulting vertex
	 * The attributes attached to the face of dart d are overwritten on the face of dart e
	 */
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	bool removeEdgeFromVertex(Dart d);
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	/**
	 * The attributes attached to the vertices of the edge of d are kept on the vertices of the resulting edge
	 * The attributes attached to the edge of d are kept on the resulting edge
	 */
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	void sewFaces(Dart d, Dart e, bool withBoundary = true) ;
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	/**
	 * The attributes attached to the vertices of the old edge of d are duplicated on the vertices of both resulting edges
	 * The attributes attached to the old edge are duplicated on both resulting edges
	 */
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	virtual void unsewFaces(Dart d, bool withBoundary = true) ;
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	/**
	 * The attributes attached to the edge of d are kept on the resulting edge
	 */
	virtual bool collapseDegeneratedFace(Dart d);

	/**
	 * The attributes attached to the old face are duplicated on both resulting faces
	 */
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	void splitFace(Dart d, Dart e) ;
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	/**
	 * The attributes attached to the face of dart d are kept on the resulting face
	 */
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	bool mergeFaces(Dart d) ;
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	/**
	 * The attributes attached to the vertices of the face of d are kept on the resulting vertices
	 * The attributes attached to the edges of the face of d are kept on the resulting edges
	 */
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	bool mergeVolumes(Dart d, Dart e, bool deleteFace = true) ;
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	/**
	 *
	 */
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	void splitSurface(std::vector<Dart>& vd, bool firstSideClosed = true, bool secondSideClosed = true);
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	/**
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	 *
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	 */
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	unsigned int closeHole(Dart d, bool forboundary = true);
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	/**
	 *
	 */
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	bool check() ;
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} ;

} // namespace CGoGN

#endif