halfEdgeSelector.h 13.8 KB
Newer Older
1 2 3
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
4
* Copyright (C) 2009-2013, IGG Team, ICube, University of Strasbourg           *
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
*                                                                              *
* 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.           *
*                                                                              *
20
* Web site: http://cgogn.unistra.fr/                                           *
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#ifndef __HALFEDGESELECTOR_H__
#define __HALFEDGESELECTOR_H__

#include "Algo/Decimation/selector.h"

namespace CGoGN
{

namespace Algo
{

36 37 38
namespace Surface
{

39 40 41
namespace Decimation
{

42 43 44
/*****************************************************************************************************************
 *                                 HALF-EDGE MEMORYLESS QEM METRIC                                               *
 *****************************************************************************************************************/
45
template <typename PFP>
46
class HalfEdgeSelector_QEMml : public Selector<PFP>
47 48 49 50 51 52 53
{
public:
	typedef typename PFP::MAP MAP ;
	typedef typename PFP::VEC3 VEC3 ;
	typedef typename PFP::REAL REAL ;

private:
54 55 56
	const VertexAttribute<VEC3, MAP>& m_position ;
	Approximator<PFP, VEC3, DART>& m_positionApproximator ;

57 58 59 60 61 62
	typedef	struct
	{
		typename std::multimap<float,Dart>::iterator it ;
		bool valid ;
		static std::string CGoGNnameOfType() { return "QEMhalfEdgeInfo" ; }
	} QEMhalfEdgeInfo ;
63
	typedef NoTypeNameAttribute<QEMhalfEdgeInfo> HalfEdgeInfo ;
64

65
	DartAttribute<HalfEdgeInfo, MAP> halfEdgeInfo ;
66
	VertexAttribute<Utils::Quadric<REAL>, MAP> m_quadric ;
67 68 69 70 71 72 73 74 75 76

	std::multimap<float,Dart> halfEdges ;
	typename std::multimap<float,Dart>::iterator cur ;

	void initHalfEdgeInfo(Dart d) ;
	void updateHalfEdgeInfo(Dart d, bool recompute) ;
	void computeHalfEdgeInfo(Dart d, HalfEdgeInfo& einfo) ;
	void recomputeQuadric(const Dart d, const bool recomputeNeighbors = false) ;

public:
77 78 79 80
	HalfEdgeSelector_QEMml(MAP& m, VertexAttribute<VEC3, MAP>& pos, Approximator<PFP, VEC3, DART>& posApprox) :
		Selector<PFP>(m),
		m_position(pos),
		m_positionApproximator(posApprox)
81
	{
Sylvain Thery's avatar
Sylvain Thery committed
82
		halfEdgeInfo = m.template addAttribute<HalfEdgeInfo, DART, MAP>("halfEdgeInfo") ;
83
		std::string attrName = m_position.name();
84
		attrName += "_QEM";
85
		m_quadric = m.template addAttribute<Utils::Quadric<REAL>, VERTEX, MAP>(attrName) ;
86 87 88 89
	}
	~HalfEdgeSelector_QEMml()
	{
		this->m_map.removeAttribute(halfEdgeInfo) ;
90
		this->m_map.removeAttribute(m_quadric) ;
91 92 93
	}
	SelectorType getType() { return S_hQEMml ; }
	bool init() ;
94
	bool nextEdge(Dart& d) const ;
95 96
	void updateBeforeCollapse(Dart d) ;
	void updateAfterCollapse(Dart d2, Dart dd2) ;
Kenneth Vanhoey's avatar
Kenneth Vanhoey committed
97 98

	void updateWithoutCollapse() { }
99 100
} ;

101 102 103 104
/*****************************************************************************************************************
 *                                 HALF-EDGE QEMextColor METRIC                                                  *
 *****************************************************************************************************************/
template <typename PFP>
105
class HalfEdgeSelector_QEMextColor : public Selector<PFP>
106 107 108 109 110 111 112 113
{
public:
	typedef typename PFP::MAP MAP ;
	typedef typename PFP::REAL REAL ;
	typedef typename PFP::VEC3 VEC3 ;
	typedef typename Geom::Vector<6,REAL> VEC6 ;

private:
114 115 116 117 118
	const VertexAttribute<VEC3, MAP>& m_position ;
	const VertexAttribute<VEC3, MAP>& m_color ;
	Approximator<PFP, VEC3, DART>& m_positionApproximator;
	Approximator<PFP, VEC3, DART>& m_colorApproximator;

119 120 121 122 123 124
	typedef	struct
	{
		typename std::multimap<float,Dart>::iterator it ;
		bool valid ;
		static std::string CGoGNnameOfType() { return "QEMextColorHalfEdgeInfo" ; }
	} QEMextColorHalfEdgeInfo ;
125
	typedef NoTypeNameAttribute<QEMextColorHalfEdgeInfo> HalfEdgeInfo ;
126

127 128
	DartAttribute<HalfEdgeInfo, MAP> halfEdgeInfo ;
	VertexAttribute<Utils::QuadricNd<REAL,6>, MAP> m_quadric ;
129 130 131 132 133 134 135 136 137 138

	std::multimap<float,Dart> halfEdges ;
	typename std::multimap<float,Dart>::iterator cur ;

	void initHalfEdgeInfo(Dart d) ;
	void updateHalfEdgeInfo(Dart d, bool recompute) ;
	void computeHalfEdgeInfo(Dart d, HalfEdgeInfo& einfo) ;
	void recomputeQuadric(const Dart d, const bool recomputeNeighbors = false) ;

public:
139 140 141 142 143 144 145 146 147 148 149 150
	HalfEdgeSelector_QEMextColor(
			MAP& m,
			VertexAttribute<VEC3, MAP>& pos,
			VertexAttribute<VEC3, MAP>& col,
			Approximator<PFP, VEC3, DART>& posApprox,
			Approximator<PFP, VEC3, DART>& colApprox
		) :
			Selector<PFP>(m),
			m_position(pos),
			m_color(col),
			m_positionApproximator(posApprox),
			m_colorApproximator(colApprox)
151
	{
Sylvain Thery's avatar
Sylvain Thery committed
152 153
		halfEdgeInfo = m.template addAttribute<HalfEdgeInfo, DART, MAP>("halfEdgeInfo") ;
		m_quadric = m.template addAttribute<Utils::QuadricNd<REAL,6>, VERTEX, MAP>("hQEMext-quadric") ;
154 155 156 157
	}
	~HalfEdgeSelector_QEMextColor()
	{
		this->m_map.removeAttribute(halfEdgeInfo) ;
158
		this->m_map.removeAttribute(m_quadric) ;
159 160 161
	}
	SelectorType getType() { return S_hQEMextColor ; }
	bool init() ;
162
	bool nextEdge(Dart& d) const ;
163 164 165 166
	void updateBeforeCollapse(Dart d) ;
	void updateAfterCollapse(Dart d2, Dart dd2) ;

	void updateWithoutCollapse() { }
167

168
	void getEdgeErrors(EdgeAttribute<REAL, MAP> *errors) const
Kenneth Vanhoey's avatar
up  
Kenneth Vanhoey committed
169 170 171 172 173 174
	{
		assert(errors != NULL || !"EdgeSelector::setColorMap requires non null vertexattribute argument") ;
		if (!errors->isValid())
			std::cerr << "EdgeSelector::setColorMap requires valid edgeattribute argument" << std::endl ;
		assert(halfEdgeInfo.isValid()) ;

175
		TraversorE<MAP> travE(this->m_map) ;
Kenneth Vanhoey's avatar
up  
Kenneth Vanhoey committed
176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205
		for(Dart d = travE.begin() ; d != travE.end() ; d = travE.next())
		{
			Dart dd = this->m_map.phi2(d) ;
			if (halfEdgeInfo[d].valid)
			{
				(*errors)[d] = halfEdgeInfo[d].it->first ;
			}
			if (halfEdgeInfo[dd].valid && halfEdgeInfo[dd].it->first < (*errors)[d])
			{
				(*errors)[d] = halfEdgeInfo[dd].it->first ;
			}
			if (!(halfEdgeInfo[d].valid || halfEdgeInfo[dd].valid))
				(*errors)[d] = -1 ;
		}
	}
} ;

/*****************************************************************************************************************
 *                           HALF-EDGE QEMextColorNormal METRIC                                                  *
 *****************************************************************************************************************/
template <typename PFP>
class HalfEdgeSelector_QEMextColorNormal : public Selector<PFP>
{
public:
	typedef typename PFP::MAP MAP ;
	typedef typename PFP::REAL REAL ;
	typedef typename PFP::VEC3 VEC3 ;
	typedef typename Geom::Vector<9,REAL> VEC9 ;

private:
206 207 208 209 210 211 212
	const VertexAttribute<VEC3, MAP>& m_position ;
	const VertexAttribute<VEC3, MAP>& m_color ;
	const VertexAttribute<VEC3, MAP>& m_normal ;
	Approximator<PFP, VEC3, DART>& m_positionApproximator;
	Approximator<PFP, VEC3, DART>& m_colorApproximator;
	Approximator<PFP, VEC3, DART>& m_normalApproximator;

Kenneth Vanhoey's avatar
up  
Kenneth Vanhoey committed
213 214 215 216 217 218 219 220
	typedef	struct
	{
		typename std::multimap<float,Dart>::iterator it ;
		bool valid ;
		static std::string CGoGNnameOfType() { return "QEMextColorNormalHalfEdgeInfo" ; }
	} QEMextColorNormalHalfEdgeInfo ;
	typedef NoTypeNameAttribute<QEMextColorNormalHalfEdgeInfo> HalfEdgeInfo ;

221 222
	DartAttribute<HalfEdgeInfo, MAP> halfEdgeInfo ;
	VertexAttribute<Utils::QuadricNd<REAL,9>, MAP> m_quadric ;
Kenneth Vanhoey's avatar
up  
Kenneth Vanhoey committed
223 224 225 226 227 228 229 230 231 232

	std::multimap<float,Dart> halfEdges ;
	typename std::multimap<float,Dart>::iterator cur ;

	void initHalfEdgeInfo(Dart d) ;
	void updateHalfEdgeInfo(Dart d, bool recompute) ;
	void computeHalfEdgeInfo(Dart d, HalfEdgeInfo& einfo) ;
	void recomputeQuadric(const Dart d, const bool recomputeNeighbors = false) ;

public:
233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248
	HalfEdgeSelector_QEMextColorNormal(
			MAP& m,
			VertexAttribute<VEC3, MAP>& pos,
			VertexAttribute<VEC3, MAP>& col,
			VertexAttribute<VEC3, MAP>& norm,
			Approximator<PFP, VEC3, DART>& posApprox,
			Approximator<PFP, VEC3, DART>& colApprox,
			Approximator<PFP, VEC3, DART>& normApprox
		) :
			Selector<PFP>(m),
			m_position(pos),
			m_color(col),
			m_normal(norm),
			m_positionApproximator(posApprox),
			m_colorApproximator(colApprox),
			m_normalApproximator(normApprox)
Kenneth Vanhoey's avatar
up  
Kenneth Vanhoey committed
249
	{
250 251
        halfEdgeInfo = m.template addAttribute<HalfEdgeInfo, DART, MAP>("halfEdgeInfo") ;
        m_quadric = m.template addAttribute<Utils::QuadricNd<REAL,9>, VERTEX, MAP>("hQEMextNormal-quadric") ;
Kenneth Vanhoey's avatar
up  
Kenneth Vanhoey committed
252 253 254 255
	}
	~HalfEdgeSelector_QEMextColorNormal()
	{
		this->m_map.removeAttribute(halfEdgeInfo) ;
256
		this->m_map.removeAttribute(m_quadric) ;
Kenneth Vanhoey's avatar
up  
Kenneth Vanhoey committed
257 258 259 260 261 262 263 264 265
	}
	SelectorType getType() { return S_hQEMextColorNormal ; }
	bool init() ;
	bool nextEdge(Dart& d) const ;
	void updateBeforeCollapse(Dart d) ;
	void updateAfterCollapse(Dart d2, Dart dd2) ;

	void updateWithoutCollapse() { }

266
	void getEdgeErrors(EdgeAttribute<REAL, MAP> *errors) const
267 268 269 270 271 272
	{
		assert(errors != NULL || !"EdgeSelector::setColorMap requires non null vertexattribute argument") ;
		if (!errors->isValid())
			std::cerr << "EdgeSelector::setColorMap requires valid edgeattribute argument" << std::endl ;
		assert(halfEdgeInfo.isValid()) ;

273
		TraversorE<MAP> travE(this->m_map) ;
274 275
		for(Dart d = travE.begin() ; d != travE.end() ; d = travE.next())
		{
276
			Dart dd = this->m_map.phi2(d) ;
277 278 279 280
			if (halfEdgeInfo[d].valid)
			{
				(*errors)[d] = halfEdgeInfo[d].it->first ;
			}
Kenneth Vanhoey's avatar
Kenneth Vanhoey committed
281 282 283 284
			if (halfEdgeInfo[dd].valid && halfEdgeInfo[dd].it->first < (*errors)[d])
			{
				(*errors)[d] = halfEdgeInfo[dd].it->first ;
			}
285 286
			if (!(halfEdgeInfo[d].valid || halfEdgeInfo[dd].valid))
				(*errors)[d] = -1 ;
287 288
		}
	}
289 290 291
} ;

/*****************************************************************************************************************
292
 *                                 HALF-EDGE COLOR GRADIENT ERR                                                  *
293 294
 *****************************************************************************************************************/
template <typename PFP>
295
class HalfEdgeSelector_ColorGradient : public Selector<PFP>
296 297 298 299 300 301 302
{
public:
	typedef typename PFP::MAP MAP ;
	typedef typename PFP::REAL REAL ;
	typedef typename PFP::VEC3 VEC3 ;

private:
303 304 305 306 307
	const VertexAttribute<VEC3, MAP>& m_position ;
	const VertexAttribute<VEC3, MAP>& m_color ;
	Approximator<PFP, VEC3, DART>& m_positionApproximator;
	Approximator<PFP, VEC3, DART>& m_colorApproximator;

308 309 310 311 312 313
	typedef	struct
	{
		typename std::multimap<float,Dart>::iterator it ;
		bool valid ;
		static std::string CGoGNnameOfType() { return "ColorExperimentalHalfEdgeInfo" ; }
	} QEMextColorHalfEdgeInfo ;
314
	typedef NoTypeNameAttribute<QEMextColorHalfEdgeInfo> HalfEdgeInfo ;
315

316 317
	DartAttribute<HalfEdgeInfo, MAP> halfEdgeInfo ;
	VertexAttribute<Utils::Quadric<REAL>, MAP> m_quadric ;
318 319 320 321 322 323 324 325 326 327

	std::multimap<float,Dart> halfEdges ;
	typename std::multimap<float,Dart>::iterator cur ;

	void initHalfEdgeInfo(Dart d) ;
	void updateHalfEdgeInfo(Dart d) ;
	void computeHalfEdgeInfo(Dart d, HalfEdgeInfo& einfo) ;
	//void recomputeQuadric(const Dart d, const bool recomputeNeighbors = false) ;
	void recomputeQuadric(const Dart d) ;

328
	VEC3 computeGradientColorError(const Dart& v0, const Dart& v1) const ;
329 330

public:
331 332 333 334 335 336 337 338 339 340 341 342
	HalfEdgeSelector_ColorGradient(
			MAP& m,
			VertexAttribute<VEC3, MAP>& pos,
			VertexAttribute<VEC3, MAP>& col,
			Approximator<PFP, VEC3, DART>& posApprox,
			Approximator<PFP, VEC3, DART>& colApprox
		) :
			Selector<PFP>(m),
			m_position(pos),
			m_color(col),
			m_positionApproximator(posApprox),
			m_colorApproximator(colApprox)
343
	{
Sylvain Thery's avatar
Sylvain Thery committed
344
		halfEdgeInfo = m.template addAttribute<HalfEdgeInfo, DART, MAP>("halfEdgeInfo") ;
345
		std::string attrName = m_position.name();
346
		attrName += "_QEM";
347
		m_quadric = m.template addAttribute<Utils::Quadric<REAL>, VERTEX, MAP>(attrName) ;
348
	}
349
	~HalfEdgeSelector_ColorGradient()
350 351
	{
		this->m_map.removeAttribute(halfEdgeInfo) ;
352
		this->m_map.removeAttribute(m_quadric) ;
353
	}
354
	SelectorType getType() { return S_hColorGradient ; }
355
	bool init() ;
356
	bool nextEdge(Dart& d) const ;
357 358 359 360 361
	void updateBeforeCollapse(Dart d) ;
	void updateAfterCollapse(Dart d2, Dart dd2) ;

	void updateWithoutCollapse() { }

362
	void getEdgeErrors(EdgeAttribute<REAL, MAP> *errors) const
363 364 365 366 367 368
	{
		assert(errors != NULL || !"EdgeSelector::setColorMap requires non null vertexattribute argument") ;
		if (!errors->isValid())
			std::cerr << "EdgeSelector::setColorMap requires valid edgeattribute argument" << std::endl ;
		assert(halfEdgeInfo.isValid()) ;

369
		TraversorE<MAP> travE(this->m_map) ;
370 371
		for(Dart d = travE.begin() ; d != travE.end() ; d = travE.next())
		{
372
			Dart dd = this->m_map.phi2(d) ;
373 374 375 376
			if (halfEdgeInfo[d].valid)
			{
				(*errors)[d] = halfEdgeInfo[d].it->first ;
			}
377 378 379 380 381 382 383 384 385 386 387
			if (halfEdgeInfo[dd].valid && halfEdgeInfo[dd].it->first < (*errors)[d])
			{
				(*errors)[d] = halfEdgeInfo[dd].it->first ;
			}
			if (!(halfEdgeInfo[d].valid || halfEdgeInfo[dd].valid))
				(*errors)[d] = -1 ;

		}
	}
} ;

388 389
} // namespace Decimation

390
} // namespace Surface
391

392 393 394 395 396 397 398
} // namespace Algo

} // namespace CGoGN

#include "Algo/Decimation/halfEdgeSelector.hpp"

#endif