surface_deformation.cpp 15.1 KB
Newer Older
1 2 3 4 5
#include "surface_deformation.h"

#include "Algo/Geometry/normal.h"
#include "Algo/Geometry/laplacian.h"

6 7
#include "Algo/Topo/basic.h"

8 9 10 11 12 13 14 15 16 17 18
#include <QKeyEvent>
#include <QMouseEvent>

namespace CGoGN
{

namespace SCHNApps
{

MapParameters::MapParameters() :
	handleSelector(NULL),
19
	freeSelector(NULL),
20 21 22 23 24 25 26 27 28 29
	initialized(false),
	nlContext(NULL)
{}

MapParameters::~MapParameters()
{
	if(nlContext)
		nlDeleteContext(nlContext);
}

Pierre Kraemer's avatar
Pierre Kraemer committed
30
void MapParameters::start(MapHandlerGen* mhg)
31 32 33
{
	if(!initialized)
	{
34
		if(positionAttribute.isValid() && handleSelector && freeSelector)
35
		{
Pierre Kraemer's avatar
Pierre Kraemer committed
36 37
			MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(mhg);

38
			positionInit = mh->getAttribute<PFP2::VEC3, VERTEX>("positionInit");
39
			if(!positionInit.isValid())
40
				positionInit = mh->addAttribute<PFP2::VEC3, VERTEX>("positionInit");
41

42
			diffCoord = mh->getAttribute<PFP2::VEC3, VERTEX>("diffCoord");
43
			if(!diffCoord.isValid())
44
				diffCoord = mh->addAttribute<PFP2::VEC3, VERTEX>("diffCoord");
45

46
			vertexRotationMatrix = mh->getAttribute<Eigen_Matrix3f, VERTEX>("vertexRotationMatrix");
47
			if(!vertexRotationMatrix.isValid())
48
				vertexRotationMatrix = mh->addAttribute<Eigen_Matrix3f, VERTEX>("vertexRotationMatrix");
49

50
			rotatedDiffCoord = mh->getAttribute<PFP2::VEC3, VERTEX>("rotatedDiffCoord");
51
			if(!rotatedDiffCoord.isValid())
52
				rotatedDiffCoord = mh->addAttribute<PFP2::VEC3, VERTEX>("rotatedDiffCoord");
53

54
			vIndex = mh->getAttribute<unsigned int, VERTEX>("vIndex");
55
			if(!vIndex.isValid())
56
				vIndex = mh->addAttribute<unsigned int, VERTEX>("vIndex");
57 58 59 60 61 62 63 64 65 66

			PFP2::MAP* map = static_cast<MapHandler<PFP2>*>(mh)->getMap();

			map->copyAttribute(positionInit, positionAttribute);

			Algo::Surface::Geometry::computeLaplacianTopoVertices<PFP2>(*map, positionAttribute, diffCoord);

			for(unsigned int i = vertexRotationMatrix.begin(); i != vertexRotationMatrix.end(); vertexRotationMatrix.next(i))
				vertexRotationMatrix[i] = Eigen::Matrix3f::Identity();

67
			nb_vertices = Algo::Topo::computeIndexCells<VERTEX>(*map, vIndex);
68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112

			if(nlContext)
				nlDeleteContext(nlContext);
			nlContext = nlNewContext();
			nlSolverParameteri(NL_NB_VARIABLES, nb_vertices);
			nlSolverParameteri(NL_LEAST_SQUARES, NL_TRUE);
			nlSolverParameteri(NL_SOLVER, NL_CHOLMOD_EXT);

			initialized = true;
		}
	}
}

void MapParameters::stop(MapHandlerGen* mh)
{
	if(initialized)
	{
//		if(positionInit.isValid())
//			mh->removeAttribute(positionInit);

//		if(diffCoord.isValid())
//			mh->removeAttribute(diffCoord);

//		if(vertexRotationMatrix.isValid())
//			mh->removeAttribute(vertexRotationMatrix);

//		if(rotatedDiffCoord.isValid())
//			mh->removeAttribute(rotatedDiffCoord);

//		if(vIndex.isValid())
//			mh->removeAttribute(vIndex);

		if(nlContext)
			nlDeleteContext(nlContext);

		initialized = false;
	}
}





bool Surface_Deformation_Plugin::enable()
{
113 114 115
	//	magic line that init static variables of GenericMap in the plugins
		GenericMap::copyAllStatics(m_schnapps->getStaticPointers());

116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
	m_dockTab = new Surface_Deformation_DockTab(m_schnapps, this);
	m_schnapps->addPluginDockTab(this, m_dockTab, "Surface_Deformation");

	connect(m_schnapps, SIGNAL(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)), this, SLOT(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)));
	connect(m_schnapps, SIGNAL(mapAdded(MapHandlerGen*)), this, SLOT(mapAdded(MapHandlerGen*)));
	connect(m_schnapps, SIGNAL(mapRemoved(MapHandlerGen*)), this, SLOT(mapRemoved(MapHandlerGen*)));

	foreach(MapHandlerGen* map, m_schnapps->getMapSet().values())
		mapAdded(map);

	m_dockTab->updateMapParameters();

	return true;
}

void Surface_Deformation_Plugin::disable()
{
	disconnect(m_schnapps, SIGNAL(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)), this, SLOT(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)));
}

136 137 138 139
void Surface_Deformation_Plugin::draw(View *view)
{
}

140 141 142 143 144 145
void Surface_Deformation_Plugin::keyPress(View* view, QKeyEvent* event)
{
	switch(event->key())
	{
		case Qt::Key_D : {
			MapHandlerGen* mh = m_schnapps->getSelectedMap();
Pierre Kraemer's avatar
Pierre Kraemer committed
146
			if(mh)
147
			{
Pierre Kraemer's avatar
Pierre Kraemer committed
148 149
				const MapParameters& p = h_parameterSet[mh];
				if(!m_dragging)
150
				{
Pierre Kraemer's avatar
Pierre Kraemer committed
151 152 153 154 155 156 157 158 159 160
					if(p.handleSelector && !p.handleSelector->getSelectedCells().empty())
					{
						m_dragging = true;
						m_draginit = false;
						view->setMouseTracking(true);
					}
				}
				else
				{
					m_dragging = false;
161
					m_draginit = false;
Pierre Kraemer's avatar
Pierre Kraemer committed
162
					view->setMouseTracking(false);
163 164
				}
			}
165 166
			break;
		}
Pierre Kraemer's avatar
Pierre Kraemer committed
167

168
		case Qt::Key_R : {
Pierre Kraemer's avatar
Pierre Kraemer committed
169 170 171 172 173 174 175 176 177 178 179
			MapHandlerGen* mh = m_schnapps->getSelectedMap();
			if(mh)
			{
				const MapParameters& p = h_parameterSet[mh];
				if(p.initialized)
				{
					asRigidAsPossible(mh);
					mh->notifyAttributeModification(p.positionAttribute);
					view->updateGL();
				}
			}
180 181 182 183 184 185 186 187 188 189
			break;
		}
	}
}

void Surface_Deformation_Plugin::mouseMove(View* view, QMouseEvent* event)
{
	if(m_dragging)
	{
		MapHandlerGen* mh = m_schnapps->getSelectedMap();
190

191
		MapParameters& p = h_parameterSet[mh];
192
		const std::vector<Vertex>& handle = p.handleSelector->getSelectedCells();
193

194 195 196
		if(!m_draginit)
		{
			m_dragZ = 0;
197
			for(std::vector<Vertex>::const_iterator it = handle.begin(); it != handle.end(); ++it)
198 199 200 201 202 203
			{
				const PFP2::VEC3& pp = p.positionAttribute[*it];
				qglviewer::Vec q = view->camera()->projectedCoordinatesOf(qglviewer::Vec(pp[0],pp[1],pp[2]));
				m_dragZ += q.z;
			}
			m_dragZ /= handle.size();
204

205 206
			qglviewer::Vec pp(event->x(), event->y(), m_dragZ);
			m_dragPrevious = view->camera()->unprojectedCoordinatesOf(pp);
207

208 209 210 211 212 213 214 215 216
			m_draginit = true;
		}
		else
		{
			qglviewer::Vec pp(event->x(), event->y(), m_dragZ);
			qglviewer::Vec qq = view->camera()->unprojectedCoordinatesOf(pp);

			qglviewer::Vec vec = qq - m_dragPrevious;
			PFP2::VEC3 t(vec.x, vec.y, vec.z);
217
			for(std::vector<Vertex>::const_iterator it = handle.begin(); it != handle.end(); ++it)
218
				p.positionAttribute[*it] += t;
219

220
			m_dragPrevious = qq;
221

222 223
//			matchDiffCoord(map);
			if(p.initialized)
Pierre Kraemer's avatar
Pierre Kraemer committed
224
			{
225
				asRigidAsPossible(mh);
Pierre Kraemer's avatar
Pierre Kraemer committed
226 227
				mh->notifyAttributeModification(p.positionAttribute);
			}
228
		}
229 230 231 232 233 234 235 236 237 238 239 240

		view->updateGL();
	}
}





void Surface_Deformation_Plugin::selectedMapChanged(MapHandlerGen *prev, MapHandlerGen *cur)
{
	m_dockTab->updateMapParameters();
241 242 243 244
	if (cur==NULL)
		m_dockTab->setDisabled(true);
	else
		m_dockTab->setDisabled(false);
245 246 247 248 249 250 251
}

void Surface_Deformation_Plugin::mapAdded(MapHandlerGen* map)
{
	connect(map, SIGNAL(attributeAdded(unsigned int, const QString&)), this, SLOT(attributeAdded(unsigned int, const QString&)));
	connect(map, SIGNAL(cellSelectorAdded(unsigned int, const QString&)), this, SLOT(cellSelectorAdded(unsigned int, const QString&)));
	connect(map, SIGNAL(cellSelectorRemoved(unsigned int, const QString&)), this, SLOT(cellSelectorRemoved(unsigned int, const QString&)));
252
	connect(map, SIGNAL(selectedCellsChanged(CellSelectorGen*)), this, SLOT(selectedCellsChanged(CellSelectorGen*)));
253 254 255 256 257 258 259
}

void Surface_Deformation_Plugin::mapRemoved(MapHandlerGen* map)
{
	disconnect(map, SIGNAL(attributeAdded(unsigned int, const QString&)), this, SLOT(attributeAdded(unsigned int, const QString&)));
	disconnect(map, SIGNAL(cellSelectorAdded(unsigned int, const QString&)), this, SLOT(cellSelectorAdded(unsigned int, const QString&)));
	disconnect(map, SIGNAL(cellSelectorRemoved(unsigned int, const QString&)), this, SLOT(cellSelectorRemoved(unsigned int, const QString&)));
260
	disconnect(map, SIGNAL(selectedCellsChanged(CellSelectorGen*)), this, SLOT(selectedCellsChanged(CellSelectorGen*)));
261 262 263 264 265 266 267 268 269
}





void Surface_Deformation_Plugin::attributeAdded(unsigned int orbit, const QString& name)
{
	MapHandlerGen* map = static_cast<MapHandlerGen*>(QObject::sender());
270

271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290
	if(orbit == VERTEX && map->isSelectedMap())
		m_dockTab->addVertexAttribute(name);
}

void Surface_Deformation_Plugin::cellSelectorAdded(unsigned int orbit, const QString& name)
{
	MapHandlerGen* map = static_cast<MapHandlerGen*>(QObject::sender());

	if(orbit == VERTEX && map->isSelectedMap())
		m_dockTab->addVertexSelector(name);
}

void Surface_Deformation_Plugin::cellSelectorRemoved(unsigned int orbit, const QString& name)
{
	MapHandlerGen* map = static_cast<MapHandlerGen*>(QObject::sender());

	if(orbit == VERTEX && map->isSelectedMap())
		m_dockTab->removeVertexSelector(name);

	MapParameters& p = h_parameterSet[map];
291
	if(p.handleSelector->getName() == name)
292 293 294 295
	{
		p.stop(map);
		if(!p.initialized && map->isSelectedMap())
			m_dockTab->mapParametersInitialized(false);
296
		p.handleSelector = NULL;
297
	}
298
	if(p.freeSelector->getName() == name)
299 300 301 302
	{
		p.stop(map);
		if(!p.initialized && map->isSelectedMap())
			m_dockTab->mapParametersInitialized(false);
303
		p.freeSelector = NULL;
304 305 306
	}
}

307
void Surface_Deformation_Plugin::selectedCellsChanged(CellSelectorGen* cs)
308
{
309 310 311 312 313 314 315
	MapHandlerGen* map = static_cast<MapHandlerGen*>(QObject::sender());
	MapParameters& p = h_parameterSet[map];
	if(p.initialized && (p.handleSelector == cs || p.freeSelector == cs))
	{
		nlMakeCurrent(p.nlContext) ;
		nlReset(NL_FALSE) ;
	}
316 317 318 319 320 321 322 323 324 325 326 327 328 329
}





void Surface_Deformation_Plugin::changePositionAttribute(const QString& map, const QString& name)
{
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(m)
	{
		MapParameters& p = h_parameterSet[m];
		if(!p.initialized)
		{
Pierre Kraemer's avatar
Pierre Kraemer committed
330 331
			MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(m);
			p.positionAttribute = mh->getAttribute<PFP2::VEC3, VERTEX>(name);
332 333 334 335 336 337
			if(m->isSelectedMap())
				m_dockTab->updateMapParameters();
		}
	}
}

338
void Surface_Deformation_Plugin::changeHandleSelector(const QString& map, const QString& name)
339 340 341 342 343 344 345
{
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(m)
	{
		MapParameters& p = h_parameterSet[m];
		if(!p.initialized)
		{
Pierre Kraemer's avatar
Pierre Kraemer committed
346 347
			MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(m);
			p.handleSelector = mh->getCellSelector<VERTEX>(name);
348 349 350 351 352 353
			if(m->isSelectedMap())
				m_dockTab->updateMapParameters();
		}
	}
}

354
void Surface_Deformation_Plugin::changeFreeSelector(const QString& map, const QString& name)
355 356 357 358 359 360 361
{
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(m)
	{
		MapParameters& p = h_parameterSet[m];
		if(!p.initialized)
		{
Pierre Kraemer's avatar
Pierre Kraemer committed
362 363
			MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(m);
			p.freeSelector = mh->getCellSelector<VERTEX>(name);
364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403
			if(m->isSelectedMap())
				m_dockTab->updateMapParameters();
		}
	}
}





void Surface_Deformation_Plugin::toggleMapDeformation(MapHandlerGen* map)
{
	if(map)
	{
		MapParameters& p = h_parameterSet[map];
		if(!p.initialized)
		{
			p.start(map);
			if(p.initialized && map->isSelectedMap())
				m_dockTab->mapParametersInitialized(true);
		}
		else
		{
			p.stop(map);
			if(!p.initialized && map->isSelectedMap())
				m_dockTab->mapParametersInitialized(false);
		}
	}
}

void Surface_Deformation_Plugin::matchDiffCoord(MapHandlerGen* mh)
{
	PFP2::MAP* map = static_cast<MapHandler<PFP2>*>(mh)->getMap();
	MapParameters& p = h_parameterSet[mh];

	nlMakeCurrent(p.nlContext);
	if(nlGetCurrentState() == NL_STATE_INITIAL)
		nlBegin(NL_SYSTEM) ;
	for(int coord = 0; coord < 3; ++coord)
	{
404
		LinearSolving::setupVariables<PFP2>(*map, p.vIndex, p.freeSelector->getMarker(), p.positionAttribute, coord);
405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421
		nlBegin(NL_MATRIX);
		LinearSolving::addRowsRHS_Laplacian_Topo<PFP2>(*map, p.vIndex, p.diffCoord, coord);
		nlEnd(NL_MATRIX);
		nlEnd(NL_SYSTEM);
		nlSolve();
		LinearSolving::getResult<PFP2>(*map, p.vIndex, p.positionAttribute, coord);
		nlReset(NL_TRUE);
	}
}

void Surface_Deformation_Plugin::asRigidAsPossible(MapHandlerGen* mh)
{
	PFP2::MAP* map = static_cast<MapHandler<PFP2>*>(mh)->getMap();
	MapParameters& p = h_parameterSet[mh];

	if(p.initialized)
	{
Pierre Kraemer's avatar
Pierre Kraemer committed
422
		CellMarkerNoUnmark<PFP2::MAP, VERTEX> m(*map) ;
423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530

		for(Dart d = map->begin(); d != map->end(); map->next(d))
		{
			if(!m.isMarked(d))
			{
				m.mark(d) ;

				Eigen::Matrix3f cov = Eigen::Matrix3f::Zero() ;
				PFP2::VEC3 pp = p.positionAttribute[d] ;
				PFP2::VEC3 ppInit = p.positionInit[d] ;
	//			PFP2::REAL area = p.vertexArea[d] ;
				Dart it = d ;
				do
				{
					Dart neigh = map->phi1(it) ;
					PFP2::VEC3 v = p.positionAttribute[neigh] - pp ;
					PFP2::VEC3 vv = p.positionInit[neigh] - ppInit ;
					for(unsigned int i = 0; i < 3; ++i)
						for(unsigned int j = 0; j < 3; ++j)
							cov(i,j) += v[i] * vv[j];// * perMap->edgeWeight[it] / area ;
					Dart dboundary = map->phi_1(it) ;
					if(map->phi2(dboundary) == dboundary)
					{
						v = p.positionAttribute[dboundary] - pp ;
						vv = p.positionInit[dboundary] - pp ;
						for(unsigned int i = 0; i < 3; ++i)
							for(unsigned int j = 0; j < 3; ++j)
								cov(i,j) += v[i] * vv[j];// * perMap->edgeWeight[dboundary] / area ;
					}
					it = map->alpha1(it) ;
				} while(it != d) ;

				Eigen::JacobiSVD<Eigen::Matrix3f> svd(cov, Eigen::ComputeFullU | Eigen::ComputeFullV) ;
				Eigen::Matrix3f R = svd.matrixU() * svd.matrixV().transpose() ;

				if(R.determinant() < 0)
				{
					Eigen::Matrix3f U = svd.matrixU() ;
					for(unsigned int i = 0; i < 3; ++i)
						U(i,2) *= -1 ;
					R = U * svd.matrixV().transpose() ;
				}

				p.vertexRotationMatrix[d] = R ;
			}
		}

		for(Dart d = map->begin(); d != map->end(); map->next(d))
		{
			if(m.isMarked(d))
			{
				m.unmark(d) ;

				unsigned int degree = 0 ;
				Eigen::Matrix3f r = Eigen::Matrix3f::Zero() ;
				Dart it = d ;
				do
				{
					r += p.vertexRotationMatrix[map->phi1(it)] ;
					++degree ;
					Dart dboundary = map->phi_1(it) ;
					if(map->phi2(dboundary) == dboundary)
					{
						r += p.vertexRotationMatrix[dboundary] ;
						++degree ;
					}
					it = map->alpha1(it) ;
				} while(it != d) ;
				r += p.vertexRotationMatrix[d] ;
				r /= degree + 1 ;
				PFP2::VEC3& dc = p.diffCoord[d] ;
				Eigen::Vector3f rdc(dc[0], dc[1], dc[2]) ;
				rdc = r * rdc ;
				p.rotatedDiffCoord[d] = PFP2::VEC3(rdc[0], rdc[1], rdc[2]) ;

	//			Eigen::Vector3f rdc = Eigen::Vector3f::Zero() ;
	//			Dart it = d ;
	//			PFP::REAL vArea = p.vertexArea[d] ;
	//			Eigen::Matrix3f& rotM = p.vertexRotationMatrix[d] ;
	//			PFP::REAL val = 0 ;
	//			do
	//			{
	//				Dart ddn = map->phi1(it) ;
	//				PFP::REAL w = p.edgeWeight[it] / vArea ;
	//				PFP::VEC3 vv = (p.positionInit[ddn] - p.positionInit[it]) * w ;
	//				val += w ;
	//				Eigen::Matrix3f r = 0.5f * (p.vertexRotationMatrix[ddn] + rotM) ;
	//				Eigen::Vector3f vvr = r * Eigen::Vector3f(vv[0], vv[1], vv[2]) ;
	//				rdc += vvr ;
	//				Dart dboundary = map->phi_1(it) ;
	//				if(map->phi2(dboundary) == dboundary)
	//				{
	//					w = p.edgeWeight[dboundary] / vArea ;
	//					vv = (p.positionInit[dboundary] - p.positionInit[it]) * w ;
	//					val += w ;
	//					r = 0.5f * (p.vertexRotationMatrix[dboundary] + rotM) ;
	//					vvr = r * Eigen::Vector3f(vv[0], vv[1], vv[2]) ;
	//					rdc += vvr ;
	//				}
	//				it = map->alpha1(it) ;
	//			} while(it != d) ;
	//			rdc /= val ;
	//			p.rotatedDiffCoord[d] = PFP::VEC3(rdc[0], rdc[1], rdc[2]) ;
			}
		}

		nlMakeCurrent(p.nlContext);
		if(nlGetCurrentState() == NL_STATE_INITIAL)
531
			nlBegin(NL_SYSTEM);
532 533
		for(int coord = 0; coord < 3; ++coord)
		{
534
			LinearSolving::setupVariables<PFP2>(*map, p.vIndex, p.freeSelector->getMarker(), p.positionAttribute, coord);
535 536 537 538 539 540 541 542
			nlBegin(NL_MATRIX);
	//		LinearSolving::addRowsRHS_Laplacian_Cotan<PFP2>(*map, p.vIndex, p.edgeWeight, p.vertexArea, p.rotatedDiffCoord, coord);
			LinearSolving::addRowsRHS_Laplacian_Topo<PFP2>(*map, p.vIndex, p.rotatedDiffCoord, coord);
			nlEnd(NL_MATRIX);
			nlEnd(NL_SYSTEM);
			nlSolve();
			LinearSolving::getResult<PFP2>(*map, p.vIndex, p.positionAttribute, coord);
			nlReset(NL_TRUE);
543 544 545 546 547 548 549 550 551
		}
	}
}

Q_EXPORT_PLUGIN2(Surface_Deformation_Plugin, Surface_Deformation_Plugin)

} // namespace SCHNApps

} // namespace CGoGN