DecimaterPlugin.cc 26.4 KB
Newer Older
Jan Möbius's avatar
 
Jan Möbius committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
*                           www.openflipper.org                              *
*                                                                            *
*--------------------------------------------------------------------------- *
*  This file is part of OpenFlipper.                                         *
*                                                                            *
*  OpenFlipper 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 3 of            *
*  the License, or (at your option) any later version with the               *
*  following exceptions:                                                     *
*                                                                            *
*  If other files instantiate templates or use macros                        *
*  or inline functions from this file, or you compile this file and          *
*  link it with other files to produce an executable, this file does         *
*  not by itself cause the resulting executable to be covered by the         *
*  GNU Lesser General Public License. This exception does not however        *
*  invalidate any other reasons why the executable file might be             *
*  covered by the GNU Lesser General Public License.                         *
*                                                                            *
*  OpenFlipper 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 LesserGeneral Public           *
*  License along with OpenFlipper. If not,                                   *
*  see <http://www.gnu.org/licenses/>.                                       *
*                                                                            *
\*===========================================================================*/

/*===========================================================================*\
*                                                                            *
Jan Möbius's avatar
Jan Möbius committed
37 38 39
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
Jan Möbius's avatar
 
Jan Möbius committed
40 41 42 43
*                                                                            *
\*===========================================================================*/


44 45 46 47 48
//=============================================================================
//
//  CLASS DecimaterPlugin - IMPLEMENTATION
//
//=============================================================================
Jan Möbius's avatar
 
Jan Möbius committed
49 50


51
//== INCLUDES =================================================================
Jan Möbius's avatar
 
Jan Möbius committed
52

53
#include <QtGui>
Jan Möbius's avatar
 
Jan Möbius committed
54

55
#include "DecimaterPlugin.hh"
Jan Möbius's avatar
 
Jan Möbius committed
56

57 58 59 60
#include <iostream>
#include <ACG/GL/GLState.hh>
#include <QStringList>
#include <ACG/Scenegraph/ManipulatorNode.hh>
Jan Möbius's avatar
 
Jan Möbius committed
61

62
#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
Jan Möbius's avatar
 
Jan Möbius committed
63

64
#define DECIMATER "DecimaterData"
Jan Möbius's avatar
 
Jan Möbius committed
65

66
//== IMPLEMENTATION ==========================================================
Jan Möbius's avatar
 
Jan Möbius committed
67

68 69 70 71 72 73 74
DecimaterPlugin::DecimaterPlugin() :
        tool_(0),
        toolIcon_(0)
{

}

75 76 77 78 79
void DecimaterPlugin::initializePlugin()
{
  tool_ = new DecimaterToolbarWidget();
  QSize size(100, 100);
  tool_->resize(size);
Jan Möbius's avatar
 
Jan Möbius committed
80

81 82
  // connect signals->slots
  connect(tool_->pbDecimate,SIGNAL(clicked() ),this,SLOT(slot_decimate()));
Jan Möbius's avatar
 
Jan Möbius committed
83

84 85
  connect(tool_->roundness,SIGNAL(valueChanged(double) ),this,SLOT(updateRoundness(double)) );
  connect(tool_->roundnessSlider,SIGNAL(valueChanged(int) ),this,SLOT(updateRoundness(int)) );
86 87
  connect(tool_->aspectRatio,SIGNAL(valueChanged(double) ),this,SLOT(updateAspectRatio(double)) );
  connect(tool_->aspectRatioSlider,SIGNAL(valueChanged(int) ),this,SLOT(updateAspectRatio(int)) );
88
  connect(tool_->distance,SIGNAL(valueChanged(double) ),this,SLOT(updateDistance()) );
89
  connect(tool_->edgeLength,SIGNAL(valueChanged(double) ),this,SLOT(updateEdgeLength()) );
90 91 92 93
  connect(tool_->normalDeviation,SIGNAL(valueChanged(int) ),this,SLOT(updateNormalDev()) );
  connect(tool_->normalDeviationSlider,SIGNAL(valueChanged(int) ),this,SLOT(updateNormalDev()) );
  connect(tool_->verticesCount,SIGNAL(valueChanged(int) ),this,SLOT(updateVertices()) );
  connect(tool_->verticesCountSlider,SIGNAL(valueChanged(int) ),this,SLOT(updateVertices()) );
94 95
  connect(tool_->trianglesCount,SIGNAL(valueChanged(int) ),this,SLOT(updateTriangles()) );
  connect(tool_->trianglesCountSlider,SIGNAL(valueChanged(int) ),this,SLOT(updateTriangles()) );
Jan Möbius's avatar
 
Jan Möbius committed
96

97 98
  // Force update if the Toolbox gets visible
  connect(tool_, SIGNAL(showing()), this, SLOT( slotUpdateNumVertices() ) );
99
  connect(tool_, SIGNAL(showing()), this, SLOT( slotUpdateNumTriangles() ) );
Jan Möbius's avatar
 
Jan Möbius committed
100

101 102
  toolIcon_ = new QIcon(OpenFlipper::Options::iconDirStr()+OpenFlipper::Options::dirSeparator()+"decimater.png");
  emit addToolbox( tr("Decimater") , tool_, toolIcon_ );
Jan Möbius's avatar
 
Jan Möbius committed
103 104
}

105 106
/** \brief Initialization of the plugin when it is loaded by the core
 * 
Jan Möbius's avatar
 
Jan Möbius committed
107
 */
108
void DecimaterPlugin::pluginsInitialized() {
Jan Möbius's avatar
 
Jan Möbius committed
109

110 111
  emit setSlotDescription("decimate(int,QVariantMap)",tr("Decimate a given object"),
                          QString(tr("objectId,constraints")).split(","),
112
                          QString(tr("ID of an object; Object that can has one or more constraint properties (decimation_order,distance,edge_length,normal_deviation,roundness,aspect_ratio,independent_sets,vertices,triangles)")).split(";"));
Jan Möbius's avatar
 
Jan Möbius committed
113 114 115 116 117
}


//-----------------------------------------------------------------------------

118
/** \brief sync between values of roundness slider and spinbox in the toolbox
Jan Möbius's avatar
 
Jan Möbius committed
119
 *
120
 * @param _value new roundness value
Jan Möbius's avatar
 
Jan Möbius committed
121
 */
122 123 124 125
void DecimaterPlugin::updateRoundness(int _value)
{
  tool_->roundness->setValue( (double) _value / 100.0 );
  tool_->cbRoundness->setChecked (true);
Jan Möbius's avatar
 
Jan Möbius committed
126 127 128 129 130
}


//-----------------------------------------------------------------------------

131
/** \brief sync between values of roundness slider and spinbox in the toolbox
Jan Möbius's avatar
 
Jan Möbius committed
132
 *
133
 * @param _value new roundness value
Jan Möbius's avatar
 
Jan Möbius committed
134
 */
135 136 137 138
void DecimaterPlugin::updateRoundness(double _value)
{
  tool_->roundnessSlider->setValue( (int) (_value * 100) );
  tool_->cbRoundness->setChecked (true);
Jan Möbius's avatar
 
Jan Möbius committed
139 140 141 142
}

//-----------------------------------------------------------------------------

143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167

/** \brief sync between values of aspect ratio slider and spinbox in the toolbox
 *
 * @param _value new aspect ratio value
 */
void DecimaterPlugin::updateAspectRatio(int _value)
{
  tool_->aspectRatio->setValue( (double) _value / 100.0 );
  tool_->cbAspectRatio->setChecked (true);
}


//-----------------------------------------------------------------------------

/** \brief sync between values of aspect ratio slider and spinbox in the toolbox
 *
 * @param _value new aspect ratio value
 */
void DecimaterPlugin::updateAspectRatio(double _value)
{
  tool_->aspectRatioSlider->setValue( (int) (_value * 100) );
  tool_->cbAspectRatio->setChecked (true);
}

//-----------------------------------------------------------------------------
168
/** \brief Decimation called by toolbox
Jan Möbius's avatar
 
Jan Möbius committed
169 170
 *
 */
171
void DecimaterPlugin::slot_decimate()
Jan Möbius's avatar
 
Jan Möbius committed
172
{
173 174 175
  
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS,DATA_TRIANGLE_MESH) ;
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
176

177 178
    //initialize
    TriMeshObject* object = PluginFunctions::triMeshObject(*o_it);
Jan Möbius's avatar
 
Jan Möbius committed
179

180 181
    if ( object == 0 )
      emit log(LOGWARN , tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
182

183
    DecimaterInfo* decimater = dynamic_cast< DecimaterInfo* > ( o_it->objectData(DECIMATER) );
Jan Möbius's avatar
 
Jan Möbius committed
184

185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211
    TriMesh* mesh = PluginFunctions::triMesh(*o_it);
  
    if (decimater == 0){
      decimater = new DecimaterInfo();
      o_it->setObjectData(DECIMATER, decimater);
    }
    
    // constraint handles for decimation
    ModAspectRatioH     hModAspectRatio;
    ModEdgeLengthH      hModEdgeLength;
    ModHausdorffH       hModHausdorff;
    ModIndependentH     hModIndependent;
    ModNormalDeviationH hModNormalDeviation;
    ModNormalFlippingH  hModNormalFlipping;
    ModQuadricH         hModQuadric;
    ModRoundnessH       hModRoundness;
    
    // Create decimater
    DecimaterType decimater_object( *mesh );
    
    // Remove old constraints
    if(decimater->distance()) {
        decimater->removeDistanceConstraint();
        decimater_object.remove(hModHausdorff);
    }
    if(decimater->normalDeviation()) {
        decimater->removeNormalDeviationConstraint();
212 213 214 215
        decimater_object.remove(hModNormalDeviation);
    }
    if(decimater->normalFlipping()) {
        decimater->removeNormalFlippingConstraint();
216 217 218 219 220 221
        decimater_object.remove(hModNormalFlipping);
    }
    if(decimater->roundness()) {
        decimater->removeRoundnessConstraint();
        decimater_object.remove(hModRoundness);
    }
222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248
    if(decimater->aspectRatio()) {
      decimater->removeAspectRatioConstraint();
      decimater_object.remove(hModAspectRatio);
    }
    if(decimater->edgeLength()) {
      decimater->removeEdgeLengthConstraint();
      decimater_object.remove(hModEdgeLength);
    }
    if(decimater->independentSets()) {
      decimater->removeIndependentSetsConstraint();
      decimater_object.remove(hModIndependent);
    }

    // set priority module: quadric, normal deviation or edge length
    if (tool_->rbByDistance->isChecked()) {
      decimater->setDecimationOrder(DecimaterInfo::DISTANCE);
      decimater_object.add( hModQuadric );
      decimater_object.module( hModQuadric ).unset_max_err();
    } else if (tool_->rbByNormalDeviation->isChecked()) {
      decimater->setDecimationOrder(DecimaterInfo::NORMALDEV);
      decimater_object.add(hModNormalDeviation);
      decimater_object.module(hModNormalDeviation).set_binary(false);
    } else if (tool_->rbByEdgeLength->isChecked()) {
      decimater->setDecimationOrder(DecimaterInfo::EDGELENGTH);
      decimater_object.add(hModEdgeLength);
      decimater_object.module(hModEdgeLength).set_binary(false);
    }
Jan Möbius's avatar
 
Jan Möbius committed
249

250
    // and set new constraints
251
    if ( tool_->cbDistance->isChecked() ) {
252
      if (  decimater_object.add( hModHausdorff ) || tool_->rbConstraintsOnly->isChecked() ) {
253 254 255 256
          decimater->setDistanceConstraint( tool_->distance->value() );
          decimater_object.module( hModHausdorff ).set_tolerance( decimater->distanceValue() );
      }
    }
Jan Möbius's avatar
 
Jan Möbius committed
257

258
    if ( tool_->cbNormalDev->isChecked() ) {
259
      if (  decimater_object.add( hModNormalDeviation ) || tool_->rbConstraintsOnly->isChecked() ) {
260
          decimater->setNormalDeviationConstraint( tool_->normalDeviation->value() );
261 262 263 264 265 266
          decimater_object.module( hModNormalDeviation ).set_normal_deviation( decimater->normalDeviationValue() );
      }
    } else {
      if ( decimater_object.add( hModNormalFlipping ) || tool_->rbConstraintsOnly->isChecked() ) {
          decimater->setNormalFlippingConstraint();
          // decimater_object.module( hModNormalFlipping ).set_max_normal_deviation( decimater->normalDeviationValue() ); ?
267 268
      }
    }
Jan Möbius's avatar
 
Jan Möbius committed
269

270
    if ( tool_->cbRoundness->isChecked() ) {      
271
      if (  decimater_object.add( hModRoundness ) || tool_->rbConstraintsOnly->isChecked() ) {
272 273 274 275
          decimater->setRoundnessConstraint( tool_->roundness->value() );
          decimater_object.module( hModRoundness ).set_min_roundness( decimater->roundnessValue(), true );
      }
    }
Jan Möbius's avatar
 
Jan Möbius committed
276

277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296
    if ( tool_->cbAspectRatio->isChecked() ) {
      if ( decimater_object.add( hModAspectRatio ) || tool_->rbConstraintsOnly->isChecked() ) {
          decimater->setAspectRatioConstraint( tool_->aspectRatio->value() );
          decimater_object.module( hModAspectRatio ).set_aspect_ratio( decimater->aspectRatioValue() );
      }
    }

    if ( tool_->cbEdgeLength->isChecked() ) {
      if ( decimater_object.add( hModEdgeLength ) || tool_->rbConstraintsOnly->isChecked() ) {
          decimater->setEdgeLengthConstraint( tool_->edgeLength->value() );
          decimater_object.module( hModEdgeLength ).set_edge_length( decimater->edgeLengthValue() );
      }
    }

    if ( tool_->cbIndependentSets->isChecked() ) {
      if ( decimater_object.add( hModIndependent ) || tool_->rbConstraintsOnly->isChecked() ) {
          decimater->setIndependentSetsConstraint();
      }
    }

297 298 299 300 301
    // Initialize the decimater
    if( ! decimater_object.initialize() ){
      emit log(LOGWARN, tr("Decimater could not be initialized"));
      continue;
    }
Jan Möbius's avatar
 
Jan Möbius committed
302

303
    //decimate
304
    if ( tool_->rbVertices->isChecked() )
305
        decimater_object.decimate_to(tool_->verticesCount->value());
306 307 308 309
    else if (tool_->rbTriangles->isChecked() )
        decimater_object.decimate_to_faces(0, tool_->trianglesCount->value());
    else // constraints only
        decimater_object.decimate_to_faces(0, 1);
310 311 312 313 314 315 316 317 318

    object->mesh()->garbage_collection();
    object->mesh()->update_normals();
    object->update();
    
    // Create backup
    emit createBackup(o_it->id(), "Decimation");
    emit updatedObject( o_it->id() , UPDATE_TOPOLOGY );
  }
Jan Möbius's avatar
 
Jan Möbius committed
319

320
  emit updateView();
Jan Möbius's avatar
 
Jan Möbius committed
321 322
}

Jan Möbius's avatar
Jan Möbius committed
323 324 325

//-----------------------------------------------------------------------------

326
/** \brief Decimation called by Scripting
Jan Möbius's avatar
 
Jan Möbius committed
327
 *
328 329
 * @param _objID id of an object
 * @param _constraints A string containing a comma separated list of constraints (distance,normal_deviation,roundness,triangles)
Jan Möbius's avatar
 
Jan Möbius committed
330
 */
331
void DecimaterPlugin::decimate(int _objID, QVariantMap _constraints) {
Jan Möbius's avatar
 
Jan Möbius committed
332 333


334 335 336 337 338 339 340 341
  BaseObjectData* baseObjectData;
  if ( ! PluginFunctions::getObject(_objID,baseObjectData) ) {
    emit log(LOGERR,tr("Unable to get Object"));
    return;
  }

  if ( baseObjectData->dataType() == DATA_TRIANGLE_MESH ) {
    TriMeshObject* object = PluginFunctions::triMeshObject(baseObjectData);
Jan Möbius's avatar
 
Jan Möbius committed
342

343 344 345 346
    if ( object == 0 ) {
      emit log(LOGWARN , tr("Unable to get object ( Only Triangle Meshes supported)"));
      return;
    }
Jan Möbius's avatar
 
Jan Möbius committed
347

348
    DecimaterInfo* decimater = dynamic_cast< DecimaterInfo* > ( object->objectData(DECIMATER) );
Jan Möbius's avatar
 
Jan Möbius committed
349

350 351 352 353 354 355 356
    TriMesh* mesh = PluginFunctions::triMesh(baseObjectData);
    
    if (decimater == 0){
      decimater = new DecimaterInfo();
      object->setObjectData(DECIMATER, decimater);
    }
    
Jan Möbius's avatar
 
Jan Möbius committed
357
    // constraint handles for decimation
Jan Möbius's avatar
Jan Möbius committed
358 359 360 361
    ModAspectRatioH     hModAspectRatio;
    ModEdgeLengthH      hModEdgeLength;
    ModHausdorffH       hModHausdorff;
    ModIndependentH     hModIndependent;
Jan Möbius's avatar
 
Jan Möbius committed
362
    ModNormalDeviationH hModNormalDeviation;
Jan Möbius's avatar
Jan Möbius committed
363 364 365
    ModNormalFlippingH  hModNormalFlipping;
    ModQuadricH         hModQuadric;
    ModRoundnessH       hModRoundness;
366 367 368 369 370 371
    
    // Create decimater
    DecimaterType decimater_object( *mesh );

    // Remove old constraints
    if(decimater->distance()) {
372 373
      decimater->removeDistanceConstraint();
      decimater_object.remove(hModHausdorff);
374 375
    }
    if(decimater->normalDeviation()) {
376 377 378 379 380 381
      decimater->removeNormalDeviationConstraint();
      decimater_object.remove(hModNormalDeviation);
    }
    if(decimater->normalFlipping()) {
      decimater->removeNormalFlippingConstraint();
      decimater_object.remove(hModNormalFlipping);
382 383
    }
    if(decimater->roundness()) {
384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458
      decimater->removeRoundnessConstraint();
      decimater_object.remove(hModRoundness);
    }
    if(decimater->aspectRatio()) {
      decimater->removeAspectRatioConstraint();
      decimater_object.remove(hModAspectRatio);
    }
    if(decimater->edgeLength()) {
      decimater->removeEdgeLengthConstraint();
      decimater_object.remove(hModEdgeLength);
    }
    if(decimater->independentSets()) {
      decimater->removeIndependentSetsConstraint();
      decimater_object.remove(hModIndependent);
    }

    // set priority module: quadric, normal deviation or edge length
    if ( _constraints.contains("decimation_order") ){
      bool ok;

      int value = _constraints["decimation_order"].toInt(&ok);

      if (ok) {
        switch (value) {
        case 0:
          decimater->setDecimationOrder(DecimaterInfo::DISTANCE);
          decimater_object.add( hModQuadric );
          decimater_object.module( hModQuadric ).unset_max_err();
          break;
        case 1:
          decimater->setDecimationOrder(DecimaterInfo::NORMALDEV);
          decimater_object.add(hModNormalDeviation);
          decimater_object.module(hModNormalDeviation).set_binary(false);
          break;
        case 2:
          decimater->setDecimationOrder(DecimaterInfo::EDGELENGTH);
          decimater_object.add(hModEdgeLength);
          decimater_object.module(hModEdgeLength).set_binary(false);
          break;
        default:
          emit log(LOGERR,tr("Invalid Decimation Order"));
          return;
        }
      }
    } else {
      emit log(LOGERR,tr("No Decimation Order set"));
      return;
    }

    // stock options (triangle and vertices count) constraint
    bool verticesCount = false;
    bool trianglesCount = false;
    int vertices = 0;
    int triangles = 0;

    if ( _constraints.contains("vertices") ){

      bool ok;

      int value = _constraints["vertices"].toInt(&ok);

      if (ok){
        verticesCount = true;
        vertices = value;
      }
    } else if ( _constraints.contains("triangles") ){

      bool ok;

      int value = _constraints["triangles"].toInt(&ok);

      if (ok){
        trianglesCount = true;
        triangles = value;
      }
459
    }
Jan Möbius's avatar
Jan Möbius committed
460

461 462
    //distance constraint
    if ( _constraints.contains("distance") ){
Jan Möbius's avatar
 
Jan Möbius committed
463

464 465 466 467 468
      bool ok;

      double value = _constraints["distance"].toDouble(&ok);

      if (ok) {
469
        if (  decimater_object.add( hModHausdorff ) || (!verticesCount && !trianglesCount)  ) {
470 471 472 473
            decimater->setDistanceConstraint( value );
            decimater_object.module( hModHausdorff ).set_tolerance( decimater->distanceValue() );
        }
      }
Jan Möbius's avatar
 
Jan Möbius committed
474 475
    }

476 477
    //normal deviation constraint
    if ( _constraints.contains("normal_deviation") ){
Jan Möbius's avatar
 
Jan Möbius committed
478

479
      bool ok;
Jan Möbius's avatar
 
Jan Möbius committed
480

481
      int value = _constraints["normal_deviation"].toInt(&ok);
Jan Möbius's avatar
 
Jan Möbius committed
482

483
      if (ok) {
484
        if (  decimater_object.add( hModNormalDeviation ) || (!verticesCount && !trianglesCount)  ) {
485
            decimater->setNormalDeviationConstraint( value );
486
            decimater_object.module( hModNormalDeviation ).set_normal_deviation( decimater->normalDeviationValue() );
487 488
        }
      }
489 490 491 492 493
    } else { // flipping constraint
      if (  decimater_object.add( hModNormalFlipping ) || (!verticesCount && !trianglesCount)  ) {
        decimater->setNormalFlippingConstraint();
        // decimater_object.module( hModNormalFlipping ).set_max_normal_deviation( decimater->normalDeviationValue() ); ?
      }
Jan Möbius's avatar
 
Jan Möbius committed
494 495
    }

496 497 498 499 500 501 502 503
    //roundness constraint
    if ( _constraints.contains("roundness") ){

      bool ok;

      double value = _constraints["roundness"].toDouble(&ok);

      if (ok) {
504
        if (  decimater_object.add( hModRoundness ) || (!verticesCount && !trianglesCount)  ) {
505 506 507
            decimater->setRoundnessConstraint( value );
            decimater_object.module( hModRoundness ).set_min_roundness( decimater->roundnessValue(), true );
        }
Jan Möbius's avatar
 
Jan Möbius committed
508 509 510
      }
    }

511 512
    //aspect ratio constraint
    if ( _constraints.contains("aspect_ratio") ){
Jan Möbius's avatar
 
Jan Möbius committed
513

514 515 516 517 518 519 520 521 522 523 524 525 526 527
      bool ok;

      double value = _constraints["aspect_ratio"].toDouble(&ok);

      if (ok) {
        if (  decimater_object.add( hModAspectRatio ) || (!verticesCount && !trianglesCount)  ) {
            decimater->setAspectRatioConstraint( value );
            decimater_object.module( hModAspectRatio ).set_aspect_ratio( decimater->aspectRatioValue() );
        }
      }
    }

    //edge length constraint
    if ( _constraints.contains("edge_length") ){
Jan Möbius's avatar
 
Jan Möbius committed
528

529
      bool ok;
Jan Möbius's avatar
 
Jan Möbius committed
530

531
      double value = _constraints["edge_length"].toDouble(&ok);
Jan Möbius's avatar
 
Jan Möbius committed
532

533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549
      if (ok) {
        if (  decimater_object.add( hModEdgeLength ) || (!verticesCount && !trianglesCount)  ) {
            decimater->setEdgeLengthConstraint( value );
            decimater_object.module( hModEdgeLength ).set_edge_length( decimater->edgeLengthValue() );
        }
      }
    }

    //independent sets constraint
    if ( _constraints.contains("independent_sets") ){

      bool value = _constraints["independent_sets"].toBool();

      if (value) {
        if (  decimater_object.add( hModIndependent ) || (!verticesCount && !trianglesCount)  ) {
            decimater->setIndependentSetsConstraint();
        }
550 551 552 553 554 555 556 557 558 559
      }
    }

    //init the decimater
    if( ! decimater_object.initialize() ){
      emit log(LOGWARN, tr("Decimater could not be initialized"));
      return;
    }

    //decimate
560 561 562 563
    if ( verticesCount )
      decimater_object.decimate_to( vertices ); // do decimation (vertices)
    else if (trianglesCount )
      decimater_object.decimate_to_faces(0, triangles); // do decimation (triangles)
564
    else
565
      decimater_object.decimate_to_faces(0, 1); // do decimation
566 567 568 569 570 571 572 573 574

    object->mesh()->garbage_collection();
    object->mesh()->update_normals();
    object->update();

    // Create backup
    emit createBackup(_objID, "Decimation");
    
    // Create QVariantMap parameter string
575 576
    QString param = "("  + (_constraints.contains("decimation_order") ? tr("decimation_order =  %1").arg(_constraints["decimation_order"].toString()) : "") +
                    ", " + (_constraints.contains("distance") ? tr("distance = %1").arg(_constraints["distance"].toString()) : "") +
577
                    ", " + (_constraints.contains("normal_deviation") ? tr("normal_deviation = %1").arg(_constraints["normal_deviation"].toString()) : "") +
578
                    ", " + (_constraints.contains("edge_length") ? tr("edge_length = %1").arg(_constraints["edge_length"].toString()) : "") +
579
                    ", " + (_constraints.contains("roundness") ? tr("roundness = %1").arg(_constraints["roundness"].toString()) : "") +
580 581 582
                    ", " + (_constraints.contains("aspect_ratio") ? tr("aspect_ratio = %1").arg(_constraints["aspect_ratio"].toString()) : "") +
                    ", " + (_constraints.contains("independent_sets") ? tr("independent_sets = %1").arg(_constraints["independent_sets"].toString()) : "") +
                    ", " + (_constraints.contains("triangles") ? tr("triangles = %1").arg(_constraints["triangles"].toString()) : "") +
583 584 585 586 587 588 589 590 591
                    ", " + (_constraints.contains("vertices") ? tr("vertices = %1").arg(_constraints["vertices"].toString()) : "") + ")";
    
    emit scriptInfo( "decimate(" + QString::number(_objID) + ", " + param + ")" );
    
    emit updatedObject( baseObjectData->id() , UPDATE_TOPOLOGY);

  } else {
    emit log(LOGERR,tr("Unsupported object type for decimater"));
    return;
Jan Möbius's avatar
 
Jan Möbius committed
592 593 594 595 596 597 598
  }

  emit updateView();
}

//-----------------------------------------------------------------------------

599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627
void DecimaterPlugin::slotUpdateNumVertices()
{
  // Only update if tool is visible
  if ( !tool_->isVisible() ) {
    return;
  }

  int max = 0;
  int div = 0;

  bool ok;
  emit functionExists( "infomeshobject" , "vertexCount(int)", ok  ) ;
  if (!ok)
  {
    tool_->currentNumVertices->setText ("<not available>");
    return;
  }

  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS,DataType(DATA_TRIANGLE_MESH)) ;
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {


    max = std::max( RPC::callFunctionValue<int>   ("infomeshobject" , "vertexCount",o_it->id()) , max );
    div++;
  }

  if (div <= 0)
    tool_->currentNumVertices->setText ("<not available>");
  else {
628 629 630
    tool_->verticesCount->blockSignals(true);
    tool_->verticesCountSlider->blockSignals(true);

631 632 633 634 635 636
    tool_->currentNumVertices->setText (QString::number(max));
    tool_->verticesCount->setMaximum(max);
    tool_->verticesCountSlider->setMaximum(max);
    
    if ( tool_->verticesCount->value() < 2 )
      tool_->verticesCount->setValue( max / 2 );
637 638 639

    tool_->verticesCount->blockSignals(false);
    tool_->verticesCountSlider->blockSignals(false);
640 641 642 643 644
  }
}

//-----------------------------------------------------------------------------

645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662
/** \brief gets and sets the current maximum number of triangles
 *
 */
void DecimaterPlugin::slotUpdateNumTriangles() {
  // only update if the tool is visible
  if (!tool_->isVisible())
    return;

  uint max = 0;
  int meshN = 0;

  for (PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS, DataType(DATA_TRIANGLE_MESH));
                                       o_it != PluginFunctions::objectsEnd(); ++o_it) {
    TriMesh* mesh = PluginFunctions::triMesh(o_it->id());
    max = std::max(mesh->n_faces(), max);
    meshN++;
  }

663 664 665
  tool_->trianglesCount->blockSignals(true);
  tool_->trianglesCountSlider->blockSignals(true);

666 667 668 669 670 671 672
  tool_->trianglesCount->setMinimum(1);
  tool_->trianglesCount->setMaximum(max);
  tool_->trianglesCountSlider->setMinimum(1);
  tool_->trianglesCountSlider->setMaximum(max);

  if (tool_->trianglesCount->value() < 2)
    tool_->trianglesCount->setValue(max/2);
673 674 675

  tool_->trianglesCount->blockSignals(false);
  tool_->trianglesCountSlider->blockSignals(false);
676 677 678 679
}

//-----------------------------------------------------------------------------

680 681 682
void DecimaterPlugin::slotObjectSelectionChanged(int /*_identifier*/)
{
  slotUpdateNumVertices ();
683
  slotUpdateNumTriangles ();
684 685 686 687
}

//-----------------------------------------------------------------------------

688
void DecimaterPlugin::slotObjectUpdated(int /*_identifier*/ , const UpdateType& _type )
689
{
690
  if ( _type.contains(UPDATE_TOPOLOGY) ) {
691
    slotUpdateNumVertices ();
692 693
    slotUpdateNumTriangles ();
  }
694 695 696 697 698 699 700
}

//-----------------------------------------------------------------------------

// activate checkbox if value has changed
void DecimaterPlugin::updateVertices()
{
701 702 703 704 705 706 707 708 709
  tool_->rbVertices->setChecked (true);
}

//-----------------------------------------------------------------------------

// activate checkbox if value has changed
void DecimaterPlugin::updateTriangles()
{
  tool_->rbTriangles->setChecked (true);
710 711 712 713 714 715 716 717 718 719 720 721
}

//-----------------------------------------------------------------------------

// activate checkbox if value has changed
void DecimaterPlugin::updateNormalDev()
{
  tool_->cbNormalDev->setChecked (true);
}

//-----------------------------------------------------------------------------

722 723 724 725 726 727 728 729
// activate checkbox if value has changed
void DecimaterPlugin::updateEdgeLength()
{
  tool_->cbEdgeLength->setChecked (true);
}

//-----------------------------------------------------------------------------

730 731 732 733 734 735 736 737 738 739
// activate checkbox if value has changed
void DecimaterPlugin::updateDistance()
{
  tool_->cbDistance->setChecked (true);
}

//-----------------------------------------------------------------------------

Q_EXPORT_PLUGIN2(DecimaterPlugin , DecimaterPlugin );