DecimaterPlugin.cc 26.1 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: 11950 $                                                       *
*   $LastChangedBy: moebius $                                                *
*   $Date: 2011-07-07 10:01:14 +0200 (Do, 07 Jul 2011) $                     *
Jan Möbius's avatar
 
Jan Möbius committed
40 41 42 43
*                                                                            *
\*===========================================================================*/


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


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

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

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

Jan Möbius's avatar
Jan Möbius committed
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

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

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

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

Jan Möbius's avatar
Jan Möbius committed
68 69 70 71 72
void DecimaterPlugin::initializePlugin()
{
  tool_ = new DecimaterToolbarWidget();
  QSize size(100, 100);
  tool_->resize(size);
Jan Möbius's avatar
 
Jan Möbius committed
73

Jan Möbius's avatar
Jan Möbius committed
74 75
  // connect signals->slots
  connect(tool_->pbDecimate,SIGNAL(clicked() ),this,SLOT(slot_decimate()));
Jan Möbius's avatar
 
Jan Möbius committed
76

Jan Möbius's avatar
Jan Möbius committed
77 78
  connect(tool_->roundness,SIGNAL(valueChanged(double) ),this,SLOT(updateRoundness(double)) );
  connect(tool_->roundnessSlider,SIGNAL(valueChanged(int) ),this,SLOT(updateRoundness(int)) );
79 80
  connect(tool_->aspectRatio,SIGNAL(valueChanged(double) ),this,SLOT(updateAspectRatio(double)) );
  connect(tool_->aspectRatioSlider,SIGNAL(valueChanged(int) ),this,SLOT(updateAspectRatio(int)) );
Jan Möbius's avatar
Jan Möbius committed
81
  connect(tool_->distance,SIGNAL(valueChanged(double) ),this,SLOT(updateDistance()) );
82
  connect(tool_->edgeLength,SIGNAL(valueChanged(double) ),this,SLOT(updateEdgeLength()) );
Jan Möbius's avatar
Jan Möbius committed
83 84 85 86
  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()) );
87 88
  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
89

Jan Möbius's avatar
Jan Möbius committed
90 91
  // Force update if the Toolbox gets visible
  connect(tool_, SIGNAL(showing()), this, SLOT( slotUpdateNumVertices() ) );
92
  connect(tool_, SIGNAL(showing()), this, SLOT( slotUpdateNumTriangles() ) );
Jan Möbius's avatar
 
Jan Möbius committed
93

Jan Möbius's avatar
Jan Möbius committed
94 95
  toolIcon_ = new QIcon(OpenFlipper::Options::iconDirStr()+OpenFlipper::Options::dirSeparator()+"decimater.png");
  emit addToolbox( tr("Decimater") , tool_, toolIcon_ );
Jan Möbius's avatar
 
Jan Möbius committed
96 97
}

Jan Möbius's avatar
Jan Möbius committed
98 99
/** \brief Initialization of the plugin when it is loaded by the core
 * 
Jan Möbius's avatar
 
Jan Möbius committed
100
 */
Jan Möbius's avatar
Jan Möbius committed
101
void DecimaterPlugin::pluginsInitialized() {
Jan Möbius's avatar
 
Jan Möbius committed
102

Jan Möbius's avatar
Jan Möbius committed
103 104
  emit setSlotDescription("decimate(int,QVariantMap)",tr("Decimate a given object"),
                          QString(tr("objectId,constraints")).split(","),
105
                          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
106 107 108 109 110
}


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

Jan Möbius's avatar
Jan Möbius committed
111
/** \brief sync between values of roundness slider and spinbox in the toolbox
Jan Möbius's avatar
 
Jan Möbius committed
112
 *
Jan Möbius's avatar
Jan Möbius committed
113
 * @param _value new roundness value
Jan Möbius's avatar
 
Jan Möbius committed
114
 */
Jan Möbius's avatar
Jan Möbius committed
115 116 117 118
void DecimaterPlugin::updateRoundness(int _value)
{
  tool_->roundness->setValue( (double) _value / 100.0 );
  tool_->cbRoundness->setChecked (true);
Jan Möbius's avatar
 
Jan Möbius committed
119 120 121 122 123
}


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

Jan Möbius's avatar
Jan Möbius committed
124
/** \brief sync between values of roundness slider and spinbox in the toolbox
Jan Möbius's avatar
 
Jan Möbius committed
125
 *
Jan Möbius's avatar
Jan Möbius committed
126
 * @param _value new roundness value
Jan Möbius's avatar
 
Jan Möbius committed
127
 */
Jan Möbius's avatar
Jan Möbius committed
128 129 130 131
void DecimaterPlugin::updateRoundness(double _value)
{
  tool_->roundnessSlider->setValue( (int) (_value * 100) );
  tool_->cbRoundness->setChecked (true);
Jan Möbius's avatar
 
Jan Möbius committed
132 133 134 135
}

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

136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160

/** \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);
}

//-----------------------------------------------------------------------------
Jan Möbius's avatar
Jan Möbius committed
161
/** \brief Decimation called by toolbox
Jan Möbius's avatar
 
Jan Möbius committed
162 163
 *
 */
Jan Möbius's avatar
Jan Möbius committed
164
void DecimaterPlugin::slot_decimate()
Jan Möbius's avatar
 
Jan Möbius committed
165
{
Jan Möbius's avatar
Jan Möbius committed
166 167 168
  
  for ( PluginFunctions::ObjectIterator o_it(PluginFunctions::TARGET_OBJECTS,DATA_TRIANGLE_MESH) ;
                                        o_it != PluginFunctions::objectsEnd(); ++o_it)  {
Jan Möbius's avatar
 
Jan Möbius committed
169

Jan Möbius's avatar
Jan Möbius committed
170 171
    //initialize
    TriMeshObject* object = PluginFunctions::triMeshObject(*o_it);
Jan Möbius's avatar
 
Jan Möbius committed
172

Jan Möbius's avatar
Jan Möbius committed
173 174
    if ( object == 0 )
      emit log(LOGWARN , tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
175

Jan Möbius's avatar
Jan Möbius committed
176
    DecimaterInfo* decimater = dynamic_cast< DecimaterInfo* > ( o_it->objectData(DECIMATER) );
Jan Möbius's avatar
 
Jan Möbius committed
177

Jan Möbius's avatar
Jan Möbius committed
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
    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();
205 206 207 208
        decimater_object.remove(hModNormalDeviation);
    }
    if(decimater->normalFlipping()) {
        decimater->removeNormalFlippingConstraint();
Jan Möbius's avatar
Jan Möbius committed
209 210 211 212 213 214
        decimater_object.remove(hModNormalFlipping);
    }
    if(decimater->roundness()) {
        decimater->removeRoundnessConstraint();
        decimater_object.remove(hModRoundness);
    }
215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241
    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
242

243
    // and set new constraints
Jan Möbius's avatar
Jan Möbius committed
244
    if ( tool_->cbDistance->isChecked() ) {
245
      if (  decimater_object.add( hModHausdorff ) || tool_->rbConstraintsOnly->isChecked() ) {
Jan Möbius's avatar
Jan Möbius committed
246 247 248 249
          decimater->setDistanceConstraint( tool_->distance->value() );
          decimater_object.module( hModHausdorff ).set_tolerance( decimater->distanceValue() );
      }
    }
Jan Möbius's avatar
 
Jan Möbius committed
250

Jan Möbius's avatar
Jan Möbius committed
251
    if ( tool_->cbNormalDev->isChecked() ) {
252
      if (  decimater_object.add( hModNormalDeviation ) || tool_->rbConstraintsOnly->isChecked() ) {
Jan Möbius's avatar
Jan Möbius committed
253
          decimater->setNormalDeviationConstraint( tool_->normalDeviation->value() );
254 255 256 257 258 259
          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() ); ?
Jan Möbius's avatar
Jan Möbius committed
260 261
      }
    }
Jan Möbius's avatar
 
Jan Möbius committed
262

Jan Möbius's avatar
Jan Möbius committed
263
    if ( tool_->cbRoundness->isChecked() ) {      
264
      if (  decimater_object.add( hModRoundness ) || tool_->rbConstraintsOnly->isChecked() ) {
Jan Möbius's avatar
Jan Möbius committed
265 266 267 268
          decimater->setRoundnessConstraint( tool_->roundness->value() );
          decimater_object.module( hModRoundness ).set_min_roundness( decimater->roundnessValue(), true );
      }
    }
Jan Möbius's avatar
 
Jan Möbius committed
269

270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289
    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();
      }
    }

Jan Möbius's avatar
Jan Möbius committed
290 291 292 293 294
    // Initialize the decimater
    if( ! decimater_object.initialize() ){
      emit log(LOGWARN, tr("Decimater could not be initialized"));
      continue;
    }
Jan Möbius's avatar
 
Jan Möbius committed
295

Jan Möbius's avatar
Jan Möbius committed
296
    //decimate
297
    if ( tool_->rbVertices->isChecked() )
Jan Möbius's avatar
Jan Möbius committed
298
        decimater_object.decimate_to(tool_->verticesCount->value());
299 300 301 302
    else if (tool_->rbTriangles->isChecked() )
        decimater_object.decimate_to_faces(0, tool_->trianglesCount->value());
    else // constraints only
        decimater_object.decimate_to_faces(0, 1);
Jan Möbius's avatar
Jan Möbius committed
303 304 305 306 307 308 309 310 311

    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
312

Jan Möbius's avatar
Jan Möbius committed
313
  emit updateView();
Jan Möbius's avatar
 
Jan Möbius committed
314 315
}

Jan Möbius's avatar
Jan Möbius committed
316 317 318

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

Jan Möbius's avatar
Jan Möbius committed
319
/** \brief Decimation called by Scripting
Jan Möbius's avatar
 
Jan Möbius committed
320
 *
Jan Möbius's avatar
Jan Möbius committed
321 322 323
 * @param _objID id of an object
 * @param _constraints A string containing a comma separated list of constraints (distance,normal_deviation,roundness,triangles)
 * @param _values a string containing a comma separated list of constraint values suited to the _constraints parameter
Jan Möbius's avatar
 
Jan Möbius committed
324
 */
Jan Möbius's avatar
Jan Möbius committed
325
void DecimaterPlugin::decimate(int _objID, QVariantMap _constraints) {
Jan Möbius's avatar
 
Jan Möbius committed
326 327


Jan Möbius's avatar
Jan Möbius committed
328 329 330 331 332 333 334 335
  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
336

Jan Möbius's avatar
Jan Möbius committed
337 338 339 340
    if ( object == 0 ) {
      emit log(LOGWARN , tr("Unable to get object ( Only Triangle Meshes supported)"));
      return;
    }
Jan Möbius's avatar
 
Jan Möbius committed
341

Jan Möbius's avatar
Jan Möbius committed
342
    DecimaterInfo* decimater = dynamic_cast< DecimaterInfo* > ( object->objectData(DECIMATER) );
Jan Möbius's avatar
 
Jan Möbius committed
343

Jan Möbius's avatar
Jan Möbius committed
344 345 346 347 348 349 350
    TriMesh* mesh = PluginFunctions::triMesh(baseObjectData);
    
    if (decimater == 0){
      decimater = new DecimaterInfo();
      object->setObjectData(DECIMATER, decimater);
    }
    
Jan Möbius's avatar
 
Jan Möbius committed
351
    // constraint handles for decimation
Jan Möbius's avatar
Jan Möbius committed
352 353 354 355
    ModAspectRatioH     hModAspectRatio;
    ModEdgeLengthH      hModEdgeLength;
    ModHausdorffH       hModHausdorff;
    ModIndependentH     hModIndependent;
Jan Möbius's avatar
 
Jan Möbius committed
356
    ModNormalDeviationH hModNormalDeviation;
Jan Möbius's avatar
Jan Möbius committed
357 358 359
    ModNormalFlippingH  hModNormalFlipping;
    ModQuadricH         hModQuadric;
    ModRoundnessH       hModRoundness;
Jan Möbius's avatar
Jan Möbius committed
360 361 362 363 364 365
    
    // Create decimater
    DecimaterType decimater_object( *mesh );

    // Remove old constraints
    if(decimater->distance()) {
366 367
      decimater->removeDistanceConstraint();
      decimater_object.remove(hModHausdorff);
Jan Möbius's avatar
Jan Möbius committed
368 369
    }
    if(decimater->normalDeviation()) {
370 371 372 373 374 375
      decimater->removeNormalDeviationConstraint();
      decimater_object.remove(hModNormalDeviation);
    }
    if(decimater->normalFlipping()) {
      decimater->removeNormalFlippingConstraint();
      decimater_object.remove(hModNormalFlipping);
Jan Möbius's avatar
Jan Möbius committed
376 377
    }
    if(decimater->roundness()) {
378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452
      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;
      }
Jan Möbius's avatar
Jan Möbius committed
453
    }
Jan Möbius's avatar
Jan Möbius committed
454

Jan Möbius's avatar
Jan Möbius committed
455 456
    //distance constraint
    if ( _constraints.contains("distance") ){
Jan Möbius's avatar
 
Jan Möbius committed
457

Jan Möbius's avatar
Jan Möbius committed
458 459 460 461 462
      bool ok;

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

      if (ok) {
463
        if (  decimater_object.add( hModHausdorff ) || (!verticesCount && !trianglesCount)  ) {
Jan Möbius's avatar
Jan Möbius committed
464 465 466 467
            decimater->setDistanceConstraint( value );
            decimater_object.module( hModHausdorff ).set_tolerance( decimater->distanceValue() );
        }
      }
Jan Möbius's avatar
 
Jan Möbius committed
468 469
    }

Jan Möbius's avatar
Jan Möbius committed
470 471
    //normal deviation constraint
    if ( _constraints.contains("normal_deviation") ){
Jan Möbius's avatar
 
Jan Möbius committed
472

Jan Möbius's avatar
Jan Möbius committed
473
      bool ok;
Jan Möbius's avatar
 
Jan Möbius committed
474

Jan Möbius's avatar
Jan Möbius committed
475
      int value = _constraints["normal_deviation"].toInt(&ok);
Jan Möbius's avatar
 
Jan Möbius committed
476

Jan Möbius's avatar
Jan Möbius committed
477
      if (ok) {
478
        if (  decimater_object.add( hModNormalDeviation ) || (!verticesCount && !trianglesCount)  ) {
Jan Möbius's avatar
Jan Möbius committed
479
            decimater->setNormalDeviationConstraint( value );
480
            decimater_object.module( hModNormalDeviation ).set_normal_deviation( decimater->normalDeviationValue() );
Jan Möbius's avatar
Jan Möbius committed
481 482
        }
      }
483 484 485 486 487
    } 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
488 489
    }

Jan Möbius's avatar
Jan Möbius committed
490 491 492 493 494 495 496 497
    //roundness constraint
    if ( _constraints.contains("roundness") ){

      bool ok;

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

      if (ok) {
498
        if (  decimater_object.add( hModRoundness ) || (!verticesCount && !trianglesCount)  ) {
Jan Möbius's avatar
Jan Möbius committed
499 500 501
            decimater->setRoundnessConstraint( value );
            decimater_object.module( hModRoundness ).set_min_roundness( decimater->roundnessValue(), true );
        }
Jan Möbius's avatar
 
Jan Möbius committed
502 503 504
      }
    }

505 506
    //aspect ratio constraint
    if ( _constraints.contains("aspect_ratio") ){
Jan Möbius's avatar
 
Jan Möbius committed
507

508 509 510 511 512 513 514 515 516 517 518 519 520 521
      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
522

Jan Möbius's avatar
Jan Möbius committed
523
      bool ok;
Jan Möbius's avatar
 
Jan Möbius committed
524

525
      double value = _constraints["edge_length"].toDouble(&ok);
Jan Möbius's avatar
 
Jan Möbius committed
526

527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543
      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();
        }
Jan Möbius's avatar
Jan Möbius committed
544 545 546 547 548 549 550 551 552 553
      }
    }

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

    //decimate
554 555 556 557
    if ( verticesCount )
      decimater_object.decimate_to( vertices ); // do decimation (vertices)
    else if (trianglesCount )
      decimater_object.decimate_to_faces(0, triangles); // do decimation (triangles)
Jan Möbius's avatar
Jan Möbius committed
558
    else
559
      decimater_object.decimate_to_faces(0, 1); // do decimation
Jan Möbius's avatar
Jan Möbius committed
560 561 562 563 564 565 566 567 568

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

    // Create backup
    emit createBackup(_objID, "Decimation");
    
    // Create QVariantMap parameter string
569 570
    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()) : "") +
Jan Möbius's avatar
Jan Möbius committed
571
                    ", " + (_constraints.contains("normal_deviation") ? tr("normal_deviation = %1").arg(_constraints["normal_deviation"].toString()) : "") +
572
                    ", " + (_constraints.contains("edge_length") ? tr("edge_length = %1").arg(_constraints["edge_length"].toString()) : "") +
Jan Möbius's avatar
Jan Möbius committed
573
                    ", " + (_constraints.contains("roundness") ? tr("roundness = %1").arg(_constraints["roundness"].toString()) : "") +
574 575 576
                    ", " + (_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()) : "") +
Jan Möbius's avatar
Jan Möbius committed
577 578 579 580 581 582 583 584 585
                    ", " + (_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
586 587 588 589 590 591 592
  }

  emit updateView();
}

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

Jan Möbius's avatar
Jan Möbius committed
593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632
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 {
    tool_->currentNumVertices->setText (QString::number(max));
    tool_->verticesCount->setMaximum(max);
    tool_->verticesCountSlider->setMaximum(max);
    
    if ( tool_->verticesCount->value() < 2 )
      tool_->verticesCount->setValue( max / 2 );
  }
}

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

633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661
/** \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++;
  }

  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);
}

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

Jan Möbius's avatar
Jan Möbius committed
662 663 664
void DecimaterPlugin::slotObjectSelectionChanged(int /*_identifier*/)
{
  slotUpdateNumVertices ();
665
  slotUpdateNumTriangles ();
Jan Möbius's avatar
Jan Möbius committed
666 667 668 669 670 671
}

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

void DecimaterPlugin::slotObjectUpdated(int /*_identifier*/ , const UpdateType _type )
{
672
  if ( _type.contains(UPDATE_TOPOLOGY) ) {
Jan Möbius's avatar
Jan Möbius committed
673
    slotUpdateNumVertices ();
674 675
    slotUpdateNumTriangles ();
  }
Jan Möbius's avatar
Jan Möbius committed
676 677 678 679 680 681 682
}

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

// activate checkbox if value has changed
void DecimaterPlugin::updateVertices()
{
683 684 685 686 687 688 689 690 691
  tool_->rbVertices->setChecked (true);
}

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

// activate checkbox if value has changed
void DecimaterPlugin::updateTriangles()
{
  tool_->rbTriangles->setChecked (true);
Jan Möbius's avatar
Jan Möbius committed
692 693 694 695 696 697 698 699 700 701 702 703
}

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

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

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

704 705 706 707 708 709 710 711
// activate checkbox if value has changed
void DecimaterPlugin::updateEdgeLength()
{
  tool_->cbEdgeLength->setChecked (true);
}

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

Jan Möbius's avatar
Jan Möbius committed
712 713 714 715 716 717 718 719 720 721
// activate checkbox if value has changed
void DecimaterPlugin::updateDistance()
{
  tool_->cbDistance->setChecked (true);
}

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

Q_EXPORT_PLUGIN2(DecimaterPlugin , DecimaterPlugin );