surface_deformation.cpp 15.2 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 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
			positionInit = mh->getAttribute<PFP2::VEC3, VERTEX>("positionInit", false);
			if(!positionInit.isValid())
				positionInit = mh->addAttribute<PFP2::VEC3, VERTEX>("positionInit", false);

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

			vertexRotationMatrix = mh->getAttribute<Eigen_Matrix3f, VERTEX>("vertexRotationMatrix", false);
			if(!vertexRotationMatrix.isValid())
				vertexRotationMatrix = mh->addAttribute<Eigen_Matrix3f, VERTEX>("vertexRotationMatrix", false);

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

			vIndex = mh->getAttribute<unsigned int, VERTEX>("vIndex", false);
			if(!vIndex.isValid())
				vIndex = mh->addAttribute<unsigned int, VERTEX>("vIndex", false);

			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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132

			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()
{
	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*)));
}

133 134 135 136
void Surface_Deformation_Plugin::draw(View *view)
{
}

137 138 139 140 141 142
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
143
			if(mh)
144
			{
Pierre Kraemer's avatar
Pierre Kraemer committed
145 146
				const MapParameters& p = h_parameterSet[mh];
				if(!m_dragging)
147
				{
Pierre Kraemer's avatar
Pierre Kraemer committed
148 149 150 151 152 153 154 155 156 157
					if(p.handleSelector && !p.handleSelector->getSelectedCells().empty())
					{
						m_dragging = true;
						m_draginit = false;
						view->setMouseTracking(true);
					}
				}
				else
				{
					m_dragging = false;
158
					m_draginit = false;
Pierre Kraemer's avatar
Pierre Kraemer committed
159
					view->setMouseTracking(false);
160 161
				}
			}
162 163
			break;
		}
Pierre Kraemer's avatar
Pierre Kraemer committed
164

165
		case Qt::Key_R : {
Pierre Kraemer's avatar
Pierre Kraemer committed
166 167 168 169 170 171 172 173 174 175 176 177
			MapHandlerGen* mh = m_schnapps->getSelectedMap();
			if(mh)
			{
				const MapParameters& p = h_parameterSet[mh];
				if(p.initialized)
				{
					asRigidAsPossible(mh);
					mh->notifyAttributeModification(p.positionAttribute);
					static_cast<MapHandler<PFP2>*>(mh)->updateBB(p.positionAttribute);
					view->updateGL();
				}
			}
178 179 180 181 182 183 184 185 186 187
			break;
		}
	}
}

void Surface_Deformation_Plugin::mouseMove(View* view, QMouseEvent* event)
{
	if(m_dragging)
	{
		MapHandlerGen* mh = m_schnapps->getSelectedMap();
188

189
		MapParameters& p = h_parameterSet[mh];
190
		const std::vector<Vertex>& handle = p.handleSelector->getSelectedCells();
191

192 193 194
		if(!m_draginit)
		{
			m_dragZ = 0;
195
			for(std::vector<Vertex>::const_iterator it = handle.begin(); it != handle.end(); ++it)
196 197 198 199 200 201
			{
				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();
202

203 204
			qglviewer::Vec pp(event->x(), event->y(), m_dragZ);
			m_dragPrevious = view->camera()->unprojectedCoordinatesOf(pp);
205

206 207 208 209 210 211 212 213 214
			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);
215
			for(std::vector<Vertex>::const_iterator it = handle.begin(); it != handle.end(); ++it)
216
				p.positionAttribute[*it] += t;
217

218
			m_dragPrevious = qq;
219

220 221
//			matchDiffCoord(map);
			if(p.initialized)
Pierre Kraemer's avatar
Pierre Kraemer committed
222
			{
223
				asRigidAsPossible(mh);
Pierre Kraemer's avatar
Pierre Kraemer committed
224 225 226
				mh->notifyAttributeModification(p.positionAttribute);
				static_cast<MapHandler<PFP2>*>(mh)->updateBB(p.positionAttribute);
			}
227
		}
228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246

		view->updateGL();
	}
}





void Surface_Deformation_Plugin::selectedMapChanged(MapHandlerGen *prev, MapHandlerGen *cur)
{
	m_dockTab->updateMapParameters();
}

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&)));
247
	connect(map, SIGNAL(selectedCellsChanged(CellSelectorGen*)), this, SLOT(selectedCellsChanged(CellSelectorGen*)));
248 249 250 251 252 253 254
}

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&)));
255
	disconnect(map, SIGNAL(selectedCellsChanged(CellSelectorGen*)), this, SLOT(selectedCellsChanged(CellSelectorGen*)));
256 257 258 259 260 261 262 263 264
}





void Surface_Deformation_Plugin::attributeAdded(unsigned int orbit, const QString& name)
{
	MapHandlerGen* map = static_cast<MapHandlerGen*>(QObject::sender());
265

266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285
	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];
286
	if(p.handleSelector->getName() == name)
287 288 289 290
	{
		p.stop(map);
		if(!p.initialized && map->isSelectedMap())
			m_dockTab->mapParametersInitialized(false);
291
		p.handleSelector = NULL;
292
	}
293
	if(p.freeSelector->getName() == name)
294 295 296 297
	{
		p.stop(map);
		if(!p.initialized && map->isSelectedMap())
			m_dockTab->mapParametersInitialized(false);
298
		p.freeSelector = NULL;
299 300 301
	}
}

302
void Surface_Deformation_Plugin::selectedCellsChanged(CellSelectorGen* cs)
303
{
304 305 306 307 308 309 310
	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) ;
	}
311 312 313 314 315 316 317 318 319 320 321 322 323 324
}





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
325 326
			MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(m);
			p.positionAttribute = mh->getAttribute<PFP2::VEC3, VERTEX>(name);
327 328 329 330 331 332
			if(m->isSelectedMap())
				m_dockTab->updateMapParameters();
		}
	}
}

333
void Surface_Deformation_Plugin::changeHandleSelector(const QString& map, const QString& name)
334 335 336 337 338 339 340
{
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(m)
	{
		MapParameters& p = h_parameterSet[m];
		if(!p.initialized)
		{
Pierre Kraemer's avatar
Pierre Kraemer committed
341 342
			MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(m);
			p.handleSelector = mh->getCellSelector<VERTEX>(name);
343 344 345 346 347 348
			if(m->isSelectedMap())
				m_dockTab->updateMapParameters();
		}
	}
}

349
void Surface_Deformation_Plugin::changeFreeSelector(const QString& map, const QString& name)
350 351 352 353 354 355 356
{
	MapHandlerGen* m = m_schnapps->getMap(map);
	if(m)
	{
		MapParameters& p = h_parameterSet[m];
		if(!p.initialized)
		{
Pierre Kraemer's avatar
Pierre Kraemer committed
357 358
			MapHandler<PFP2>* mh = static_cast<MapHandler<PFP2>*>(m);
			p.freeSelector = mh->getCellSelector<VERTEX>(name);
359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398
			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)
	{
399
		LinearSolving::setupVariables<PFP2>(*map, p.vIndex, p.freeSelector->getMarker(), p.positionAttribute, coord);
400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416
		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
417
		CellMarkerNoUnmark<PFP2::MAP, VERTEX> m(*map) ;
418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525

		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)
526
			nlBegin(NL_SYSTEM);
527 528
		for(int coord = 0; coord < 3; ++coord)
		{
529
			LinearSolving::setupVariables<PFP2>(*map, p.vIndex, p.freeSelector->getMarker(), p.positionAttribute, coord);
530 531 532 533 534 535 536 537
			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);
538 539 540 541 542 543 544 545 546 547 548 549 550
		}
	}
}

#ifndef DEBUG
Q_EXPORT_PLUGIN2(Surface_Deformation_Plugin, Surface_Deformation_Plugin)
#else
Q_EXPORT_PLUGIN2(Surface_Deformation_PluginD, Surface_Deformation_Plugin)
#endif

} // namespace SCHNApps

} // namespace CGoGN