MeshObjectT.cc 22.6 KB
Newer Older
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
37
38
39
40
41
/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 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/>.                                      *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                         *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/
Jan Möbius's avatar
 
Jan Möbius committed
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59




  //=============================================================================
  //
  //  MyTypes
  //
  //=============================================================================

  #define MESHOBJECT_C


  //== INCLUDES =================================================================

  #include <OpenFlipper/common/Types.hh>
  #include <ACG/Scenegraph/DrawModes.hh>
  #include <OpenFlipper/common/GlobalOptions.hh>
60
  #include <OpenFlipper/BasePlugin/PluginFunctions.hh>
Jan Möbius's avatar
 
Jan Möbius committed
61
62
63
64
65
66


  //== TYPEDEFS =================================================================

  //== CLASS DEFINITION =========================================================

67
68
  template < class MeshT  >
  MeshObject< MeshT >::MeshObject(const MeshObject& _object) :
Jan Möbius's avatar
 
Jan Möbius committed
69
70
71
72
73
74
75
76
77
78
79
80
      BaseObjectData(_object),
      statusNode_(0),
      areaNode_(0),
      handleNode_(0),
      featureNode_(0),
      meshNode_(0),
      textureNode_(0),
      shaderNode_(0),
      triangle_bsp_(0)
  {
    init(_object.mesh_);

81
    
Jan Möbius's avatar
 
Jan Möbius committed
82
    setName( name() );
Jan Möbius's avatar
Jan Möbius committed
83

84
85
//     textures_     = _object.textures_;
//     textureNames_ = _object.textureNames_;
Jan Möbius's avatar
 
Jan Möbius committed
86
87
88
89
90
91
92
93
94
  }

  /** Constructor for Mesh Objects. This object class gets a Separator Node giving
  *  the root node to which it should be connected. The mesh is generated internally
  *  and all nodes for visualization will be added below the scenegraph node.\n
  *  You dont need to create an object of this type manually. Use
  *  PluginFunctions::addTriMesh or PluginFunctions::addPolyMesh instead. The
  *  objectDataType has to match the one of MeshT ( see Types.hh::DataType )
  */
95
  template < class MeshT  >
96
97
  MeshObject< MeshT >::MeshObject( DataType _typeId ) :
    BaseObjectData(),
Jan Möbius's avatar
 
Jan Möbius committed
98
99
100
101
102
103
104
105
106
107
    mesh_(0),
    statusNode_(0),
    areaNode_(0),
    handleNode_(0),
    featureNode_(0),
    meshNode_(0),
    textureNode_(0),
    shaderNode_(0),
    triangle_bsp_(0)
  {
108
    setDataType(_typeId);
Jan Möbius's avatar
 
Jan Möbius committed
109
110
111
112
113
114
    init();
  }

  /** Destructor for Mesh Objects. The destructor deletes the mesh and all
  *  Scenegraph nodes associated with the mesh or the object.
  */
115
116
  template < class MeshT  >
  MeshObject< MeshT >::~MeshObject()
Jan Möbius's avatar
 
Jan Möbius committed
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
  {
    // Delete the data attached to this object ( this will remove all perObject data)
    // Not the best way to do it but it will work.
    // This is only necessary if people use references to the mesh below and
    // they do something with the mesh in the destructor of their
    // perObjectData.
    deleteData();

    // Delete the Mesh only, if this object contains a mesh
    if ( mesh_ != NULL)  {
      delete mesh_;
      mesh_ = NULL;
    } else {
      std::cerr << "Destructor error : Mesh already deleted" << std::endl;
    }

    if ( triangle_bsp_ != 0 )
      delete triangle_bsp_;
    triangle_bsp_ = 0;

    // No need to delete the scenegraph Nodes as this will be managed by baseplugin
    areaNode_    = 0;
    handleNode_  = 0;
    featureNode_ = 0;
    meshNode_    = 0;
    textureNode_ = 0;
    shaderNode_  = 0;
  }

  /** Cleanup Function for Mesh Objects. Deletes the contents of the whole object and
  * calls MeshObject::init afterwards.
  */
149
150
  template < class MeshT  >
  void MeshObject< MeshT >::cleanup() {
Jan Möbius's avatar
 
Jan Möbius committed
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
    // Delete the Mesh only, if this object contains a mesh
    if ( mesh_ != NULL)  {
      delete mesh_;
      mesh_ = NULL;
    } else {
      std::cerr << "Cleanup error : Triangle Mesh already deleted" << std::endl;
    }

    if ( triangle_bsp_ != 0 )
      delete triangle_bsp_;
    triangle_bsp_ = 0;

    BaseObjectData::cleanup();

    statusNode_  = 0;
    areaNode_    = 0;
    handleNode_  = 0;
    featureNode_ = 0;
    textureNode_ = 0;
    shaderNode_  = 0;
    meshNode_    = 0;

    init();

  }

  /** This function initalizes the mesh object. It creates the scenegraph nodes,
  *  the mesh and requests all required properties for the mesh.
  */
180
181
  template < class MeshT  >
  void MeshObject< MeshT >::init(MeshT* _mesh) {
Jan Möbius's avatar
 
Jan Möbius committed
182
183
184
185
186
187
188
189
190
191
192
193
194
195

    if ( _mesh == 0 )
      mesh_ = new MeshT();
    else
      mesh_ = new MeshT(*_mesh);

    mesh_->request_vertex_normals();
    mesh_->request_face_normals();
    mesh_->request_vertex_status();
    mesh_->request_halfedge_status();
    mesh_->request_face_status();
    mesh_->request_edge_status();
    mesh_->request_vertex_colors();
    mesh_->request_face_colors();
196
197
198
//     mesh_->request_vertex_texcoords2D();
//     mesh_->request_halfedge_texcoords2D();
//     mesh_->request_face_texture_index();
Jan Möbius's avatar
 
Jan Möbius committed
199

200
201
202
203
204
205

    // Only initialize scenegraph nodes when we initialized a gui!!
    if ( OpenFlipper::Options::nogui() )
      return;


Jan Möbius's avatar
Jan Möbius committed
206
 	 if ( manipulatorNode() == NULL)
Jan Möbius's avatar
 
Jan Möbius committed
207
208
		std::cerr << "Error when creating Mesh Object! manipulatorNode is NULL!" << std::endl;

209
    // Node showing selection
Jan Möbius's avatar
 
Jan Möbius committed
210
211
212
213
    statusNode_ = new ACG::SceneGraph::SelectionNodeT<MeshT>(*mesh_,manipulatorNode(),"NEW StatusNode for mesh " );
    statusNode_->set_point_size(4.0);
    statusNode_->set_color(ACG::Vec4f(1.0,0.0,0.0,1.0));

214
    // Node showing modeling region
Jan Möbius's avatar
 
Jan Möbius committed
215
216
217
218
219
220
    areaNode_ = new ACG::SceneGraph::StatusNodeT<MeshT, AreaNodeMod<MeshT> >(*mesh_, manipulatorNode(), "NEW AreaNode for mesh ");
    areaNode_->set_round_points(true);
    areaNode_->enable_alpha_test(0.5);
    areaNode_->set_point_size(7.0);
    areaNode_->set_color(ACG::Vec4f(0.4, 0.4, 1.0, 1.0));

221
    // Node showing handle region
Jan Möbius's avatar
 
Jan Möbius committed
222
223
224
225
226
227
228
    handleNode_ = new ACG::SceneGraph::StatusNodeT<MeshT, HandleNodeMod<MeshT> >(*mesh_, manipulatorNode(), "NEW HandleNode for mesh ");
    handleNode_->set_round_points(true);
    handleNode_->enable_alpha_test(0.5);
    handleNode_->set_line_width(2.0);
    handleNode_->set_point_size(7.0);
    handleNode_->set_color(ACG::Vec4f(0.2, 1.0, 0.2, 1.0));

229
    // Node showing feature selection
Jan Möbius's avatar
 
Jan Möbius committed
230
231
232
233
234
235
236
237
    featureNode_ = new ACG::SceneGraph::StatusNodeT<MeshT, FeatureNodeMod<MeshT> >(*mesh_, manipulatorNode(), "NEW FeatureNode for mesh ");
    featureNode_->set_round_points(true);
    featureNode_->enable_alpha_test(0.5);
    featureNode_->set_line_width(2.0);
    featureNode_->set_point_size(7.0);
    featureNode_->set_color(ACG::Vec4f(1.0, 0.2, 1.0, 1.0));


238
    if ( materialNode() == NULL)
Jan Möbius's avatar
 
Jan Möbius committed
239
240
		std::cerr << "Error when creating Mesh Object! materialNode is NULL!" << std::endl;

241
    textureNode_ = new ACG::SceneGraph::EnvMapNode(materialNode(),"NEW TextureNode for ", true, GL_LINEAR_MIPMAP_LINEAR );
Jan Möbius's avatar
 
Jan Möbius committed
242
243
244

    shaderNode_  = new ACG::SceneGraph::ShaderNode(textureNode() , "NEW ShaderNode for ");

245
    meshNode_    = new ACG::SceneGraph::MeshNodeT<MeshT>(*mesh_, shaderNode_, "NEW MeshNode");
Jan Möbius's avatar
 
Jan Möbius committed
246
247
248
249
250
251
252
253
254

    QString shaderDir = OpenFlipper::Options::shaderDirStr() +
                        OpenFlipper::Options::dirSeparator();

    std::string shaderDirectory = std::string( shaderDir.toUtf8() );
    shaderNode_->setShaderDir( shaderDirectory );



255
256
257
258
259
260
    if ( QFile( shaderDir + "Phong/Vertex.glsl").exists() && QFile( shaderDir + "Phong/Fragment.glsl" ).exists() ) {
      shaderNode_->setShader(ACG::SceneGraph::DrawModes::SOLID_PHONG_SHADED,
                            "Phong/Vertex.glsl" ,
                            "Phong/Fragment.glsl" );
    } else
      std::cerr << "Shader Files for Phong not found!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
261

262
    if ( QFile( shaderDir + "Ward/Vertex.glsl").exists() && QFile( shaderDir + "Ward/Fragment.glsl" ).exists() ) {
Jan Möbius's avatar
 
Jan Möbius committed
263

264
265
266
      shaderNode_->setShader(ACG::SceneGraph::DrawModes::SOLID_SHADER,
                              "Ward/Vertex.glsl" ,
                              "Ward/Fragment.glsl" );
Jan Möbius's avatar
 
Jan Möbius committed
267

268
269
270
271
272
273
      // Ward shader uses 3 parameters so activate shader, set params and deactivate it again
      GLSL::PtrProgram shader = shaderNode_->getShader( ACG::SceneGraph::DrawModes::SOLID_SHADER );
      if ( shader == 0 ) {
        std::cerr << "Unable to get shader for shader mode" << std::endl;
      } else {
        shader->use();
Jan Möbius's avatar
 
Jan Möbius committed
274

275
276
277
        shader->setUniform("ward_specular" , 0.5f);
        shader->setUniform("ward_diffuse"  , 3.0f);
        shader->setUniform("ward_alpha"    , 0.2f);
Jan Möbius's avatar
 
Jan Möbius committed
278

279
280
281
282
283
        shader->disable();
      }

    } else
        std::cerr << "Shader Files for Ward not found!!" << std::endl;
Jan Möbius's avatar
 
Jan Möbius committed
284
285
286
287
288
289
290
291
292
293
294
295

    // Update all nodes
    update();
  }

  // ===============================================================================
  // Name/Path Handling
  // ===============================================================================

  /** Set the name of an object. All Scenegraph nodes are renamed too. It also calls
  * BaseObjectData::setName.
  */
296
297
  template < class MeshT  >
  void MeshObject< MeshT >::setName( QString _name ) {
Jan Möbius's avatar
 
Jan Möbius committed
298
299
    BaseObjectData::setName(_name);

300
301
302
303
    // No update when gui is not active
    if ( OpenFlipper::Options::nogui() )
      return;

Jan Möbius's avatar
 
Jan Möbius committed
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
    std::string nodename = std::string("StatusNode for mesh " + _name.toUtf8() );
    statusNode_->name( nodename );

    nodename = std::string("AreaNode for mesh   " + _name.toUtf8() );
    areaNode_->name( nodename );

    nodename = std::string("HandleNode for mesh " + _name.toUtf8() );
    handleNode_->name( nodename );

    nodename = std::string("FeatureNode for mesh " + _name.toUtf8() );
    featureNode_->name( nodename );

    nodename = std::string("TextureNode for mesh "+ _name.toUtf8() );
    textureNode_->name( nodename );

    nodename = std::string("ShaderNode for mesh "+ _name.toUtf8() );
    shaderNode_->name( nodename );

    nodename = std::string("MeshNode for mesh "     + _name.toUtf8() );
    meshNode_->name( nodename );
  }

  // ===============================================================================
  // Content
  // ===============================================================================

  /** Get a pointer to the objects mesh.
  * @return Pointer to the mesh
  */
333
334
  template < class MeshT  >
  MeshT* MeshObject< MeshT >::mesh() {
Jan Möbius's avatar
 
Jan Möbius committed
335
336
337
338
339
340
341
    return mesh_;
  }

  /** Updates the visualization of the object. Calls MeshObject::updateGeometry,
  *  MeshObject::updateTopology, MeshObject::updateSelection and
  *  MeshObject::updateModelingRegions.
  */
342
  template < class MeshT  >
Dirk Wilden's avatar
Dirk Wilden committed
343
  void MeshObject< MeshT >::update(UpdateType _type) {
344
345
346
347
348
349
350

    // No update necessary if no gui
    if ( OpenFlipper::Options::nogui() )
      return;

    PluginFunctions::setMainGLContext();

351
    if ( _type.contains(UPDATE_ALL) || _type.contains(UPDATE_TOPOLOGY) ){
Dirk Wilden's avatar
Dirk Wilden committed
352
      updateGeometry();
353
      updateColor();
Dirk Wilden's avatar
Dirk Wilden committed
354
355
356
      updateTopology();
      updateSelection();
      updateFeatures();
357
      updateModelingRegions();
Jan Möbius's avatar
Jan Möbius committed
358
    } else if ( _type.contains(UPDATE_GEOMETRY) ) {
Dirk Wilden's avatar
Dirk Wilden committed
359
      updateGeometry();
Jan Möbius's avatar
Jan Möbius committed
360
    } else if ( _type.contains(UPDATE_SELECTION) ) {
Dirk Wilden's avatar
Dirk Wilden committed
361
      updateSelection();
362
363
364
365
      updateFeatures();
      updateModelingRegions();
    } else if ( _type.contains(UPDATE_COLOR) ) {
      updateColor();
Jan Möbius's avatar
Jan Möbius committed
366
    }
Jan Möbius's avatar
 
Jan Möbius committed
367
368
369
  }

  /** Updates the selection scenegraph nodes */
370
371
  template < class MeshT  >
  void MeshObject< MeshT >::updateSelection() {
372
373
    if ( statusNode_ )
      statusNode_->update_cache();
Jan Möbius's avatar
 
Jan Möbius committed
374
375
376
  }

  /** Updates the geometry information in the mesh scenegraph node */
377
378
  template < class MeshT  >
  void MeshObject< MeshT >::updateGeometry() {
379
380
    if ( meshNode_ )
      meshNode_->update_geometry();
381
    invalidateTriangleBsp();
Jan Möbius's avatar
 
Jan Möbius committed
382
383
  }

384
385
386
387
388
389
390
  /** Updates the color information in the mesh scenegraph node */
  template < class MeshT  >
  void MeshObject< MeshT >::updateColor() {
    if ( meshNode_ )
      meshNode_->update_color();
  }

Jan Möbius's avatar
 
Jan Möbius committed
391
  /** Updates the topology information in the mesh scenegraph node */
392
393
  template < class MeshT  >
  void MeshObject< MeshT >::updateTopology() {
Jan Möbius's avatar
Jan Möbius committed
394
    if ( meshNode_ ) 
395
      meshNode_->update_topology();
396
    invalidateTriangleBsp();
Jan Möbius's avatar
 
Jan Möbius committed
397
398
399
  }

  /** Updates the modeling regions scenegraph nodes */
400
401
  template < class MeshT  >
  void MeshObject< MeshT >::updateModelingRegions() {
402
403
404
405
    if ( areaNode_ && handleNode_ ) {
      areaNode_->update_cache();
      handleNode_->update_cache();
    }
Jan Möbius's avatar
 
Jan Möbius committed
406
407
408
  }

  /** Updates the modeling regions scenegraph nodes */
409
410
  template < class MeshT  >
  void MeshObject< MeshT >::updateFeatures() {
411
412
    if ( featureNode_ )
      featureNode_->update_cache();
Jan Möbius's avatar
 
Jan Möbius committed
413
414
415
  }


416
417
418
  template < class MeshT  >
  BaseObject* MeshObject< MeshT >::copy() {
    MeshObject< MeshT >* object = new MeshObject< MeshT >(*this );
Jan Möbius's avatar
 
Jan Möbius committed
419
420
421
422
423
424
425
426
427
    return dynamic_cast< BaseObject* >(object);
  }

  // ===============================================================================
  // Visualization
  // ===============================================================================
  /** Returns a pointer to the texture node
  * @return Pointer to the texture node
  */
428
429
  template < class MeshT  >
  ACG::SceneGraph::EnvMapNode* MeshObject< MeshT >::textureNode() {
Jan Möbius's avatar
 
Jan Möbius committed
430
431
432
433
434
435
    return textureNode_;
  }

  /** Returns a pointer to the shader node
  * @return Pointer to the shader node
  */
436
437
  template < class MeshT  >
  ACG::SceneGraph::ShaderNode* MeshObject< MeshT >::shaderNode() {
Jan Möbius's avatar
 
Jan Möbius committed
438
439
440
441
442
    return shaderNode_;
  }

  /** Shows or hides the selections on the object
   */
443
444
  template < class MeshT  >
  void  MeshObject< MeshT >::hideSelection( bool _hide ) {
Jan Möbius's avatar
 
Jan Möbius committed
445
446
447
448
449
450
451
452
453

    if ( _hide ) {
      statusNode_->set_status( ACG::SceneGraph::BaseNode::HideNode );
    } else {
      statusNode_->set_status( ACG::SceneGraph::BaseNode::Active );
    }

  }

454
455
  template < class MeshT  >
  void  MeshObject< MeshT >::hideFeatures( bool _hide ) {
Jan Möbius's avatar
 
Jan Möbius committed
456
457
458
459
460
461
462
    if ( _hide ) {
      featureNode_->set_status( ACG::SceneGraph::BaseNode::HideNode );
    } else {
      featureNode_->set_status( ACG::SceneGraph::BaseNode::Active );
    }
  }

463
464
  template < class MeshT  >
  bool  MeshObject< MeshT >::featuresVisible( ) {
Jan Möbius's avatar
 
Jan Möbius committed
465
466
467
468
469
    return ( featureNode_->status() == ACG::SceneGraph::BaseNode::Active );
  }

  /** Shows or hides the areas on the object
   */
470
471
  template < class MeshT  >
  void  MeshObject< MeshT >::hideAreas( bool _hide ) {
Jan Möbius's avatar
 
Jan Möbius committed
472
473
474
475
476
477
478
479
480
    if ( _hide ) {
      areaNode_->set_status( ACG::SceneGraph::BaseNode::HideNode );
      handleNode_->set_status( ACG::SceneGraph::BaseNode::HideNode );
    } else {
      areaNode_->set_status( ACG::SceneGraph::BaseNode::Active );
      handleNode_->set_status( ACG::SceneGraph::BaseNode::Active );
    }
  }

481
482
  template < class MeshT  >
  bool MeshObject< MeshT >::selectionVisible() {
Jan Möbius's avatar
 
Jan Möbius committed
483
484
485
    return ( statusNode_->status() == ACG::SceneGraph::BaseNode::Active );
  }

486
487
  template < class MeshT  >
  bool MeshObject< MeshT >::areasVisible() {
Jan Möbius's avatar
 
Jan Möbius committed
488
489
490
491
492
493
    return ( areaNode_->status() == ACG::SceneGraph::BaseNode::Active );
  }

  /** Returns a pointer to the mesh node
  * @return Pointer to the mesh node
  */
494
  template < class MeshT  >
495
  ACG::SceneGraph::MeshNodeT<MeshT>* MeshObject< MeshT >::meshNode() {
Jan Möbius's avatar
 
Jan Möbius committed
496
497
498
499
500
    return meshNode_;
  }

  /** Get the Bounding box size of this object
   */
501
502
  template < class MeshT  >
  void MeshObject< MeshT >::boundingBox( ACG::Vec3d& _bbMin , ACG::Vec3d& _bbMax ) {
503
    if ( meshNode_ ) {
504
505
      _bbMin = ACG::Vec3d(FLT_MAX, FLT_MAX, FLT_MAX);
      _bbMax = ACG::Vec3d(FLT_MIN, FLT_MIN, FLT_MIN);
506
507
508
509
      meshNode_->boundingBox(_bbMin,_bbMax);
    } else {
      std::cerr << "Error: Bounding box computation via Scenegraph not available without gui" << std::endl;
    }
Jan Möbius's avatar
 
Jan Möbius committed
510
511
512
513
514
515
516
517
518
519
520
  }

  // ===============================================================================
  // Load/Save
  // ===============================================================================

  /** Load the mesh data from a file. The loader uses the OpenMesh object loaders and
  * therefore supports all mesh types supported by OpenMesh.
  *
  * @param _filename Full path of the file to load.
  */
521
522
  template < class MeshT  >
  bool MeshObject< MeshT >::loadMesh(QString _filename) {
Jan Möbius's avatar
 
Jan Möbius committed
523
524
525
526
527
528
529
530
531
532
533
534

    setFromFileName(_filename);

    // call the local function to update names
    setName( name() );

    std::string filename = std::string( _filename.toUtf8() );

    // load file
    bool ok = OpenMesh::IO::read_mesh( (*mesh()) , filename );
    if (!ok)
    {
535
      if ( dataType() == typeid("TriangleMesh") )
Jan Möbius's avatar
 
Jan Möbius committed
536
        std::cerr << "Main Application : Read error for Triangle Mesh at "<< filename << std::endl;
537
      if ( dataType() == typeid("PolyMesh") )
Jan Möbius's avatar
 
Jan Möbius committed
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
        std::cerr << "Main Application : Read error for Poly Mesh\n";
      return false;
    }

    mesh()->update_normals();

    update();

    show();

    return true;
  }

  // ===============================================================================
  // Object information
  // ===============================================================================

  /** Returns a string containing all information about the current object. This also
  * includes the information provided by BaseObjectData::getObjectinfo
  *
  * @return String containing the object information
  */
560
561
  template < class MeshT  >
  QString MeshObject< MeshT >::getObjectinfo() {
Jan Möbius's avatar
 
Jan Möbius committed
562
563
564
565
566
    QString output;

    output += "========================================================================\n";
    output += BaseObjectData::getObjectinfo();

567
    if ( dataType( typeId("TriangleMesh") ) )
Jan Möbius's avatar
 
Jan Möbius committed
568
569
      output += "Object Contains Triangle Mesh : ";

570
    if ( dataType( typeId("PolyMesh") ) )
Jan Möbius's avatar
 
Jan Möbius committed
571
572
573
574
575
576
577
578
579
580
581
582
583
584
      output += "Object Contains Poly Mesh : ";

    output += QString::number( mesh()->n_vertices() ) + " vertices, ";
    output += QString::number( mesh()->n_edges() ) += " edges ";
    output += QString::number( mesh()->n_faces() ) += " faces.\n";

    output += "========================================================================\n";
    return output;
  }

  // ===============================================================================
  // Picking
  // ===============================================================================

Jan Möbius's avatar
   
Jan Möbius committed
585
  /** Given an node index from PluginFunctions::scenegraphPick this function can be used to
Jan Möbius's avatar
 
Jan Möbius committed
586
587
588
589
590
  * check if the meshNode of the object has been picked.
  *
  * @param _node_idx Index of the picked mesh node
  * @return bool if the meshNode of this object is the picking target.
  */
591
592
  template < class MeshT  >
  bool MeshObject< MeshT >::picked( uint _node_idx ) {
Jan Möbius's avatar
 
Jan Möbius committed
593
594
595
596
    return ( _node_idx == meshNode_->id() );
  }


597
598
  template < class MeshT  >
  void MeshObject< MeshT >::enablePicking( bool _enable ) {
599
600
601
    if ( OpenFlipper::Options::nogui())
      return;

Jan Möbius's avatar
 
Jan Möbius committed
602
603
604
605
606
607
608
609
    meshNode_->enablePicking( _enable );
    areaNode_->enablePicking( _enable );
    handleNode_->enablePicking( _enable );
    featureNode_->enablePicking( _enable );
    textureNode_->enablePicking( _enable );
    shaderNode_->enablePicking( _enable );
  }

610
611
  template < class MeshT  >
  bool MeshObject< MeshT >::pickingEnabled() {
Jan Möbius's avatar
 
Jan Möbius committed
612
613
614
615
616
617
618
    return meshNode_->pickingEnabled();
  }

  // ===============================================================================
  // Octree
  // ===============================================================================

619
620
621
  template < class MeshT  >
  typename MeshObject< MeshT >::OMTriangleBSP*
  MeshObject< MeshT >::requestTriangleBsp() {
Jan Möbius's avatar
 
Jan Möbius committed
622

623
    if ( ! dataType( typeId("TriangleMesh") ) ) {
Jan Möbius's avatar
 
Jan Möbius committed
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
      std::cerr << "Bsps are only supported for triangle meshes." << std::endl;
      return 0;
    }

    // Create the tree if needed.
    if ( triangle_bsp_ == 0 )
    {
      // create Triangle BSP
      triangle_bsp_ = new OMTriangleBSP( *mesh() );

      // build Triangle BSP
      triangle_bsp_->reserve(mesh()->n_faces());

      typename MeshT::FIter f_it  = mesh()->faces_begin();
      typename MeshT::FIter f_end = mesh()->faces_end();

      for (; f_it!=f_end; ++f_it)
641
	     triangle_bsp_->push_back(f_it.handle());
Jan Möbius's avatar
 
Jan Möbius committed
642
643
644
645
646
647
648
649

      triangle_bsp_->build(10, 100);
    }

    // return pointer to triangle bsp
    return triangle_bsp_;
  }

650
651
652
  template < class MeshT  >
  typename MeshObject< MeshT >::OMTriangleBSP*
  MeshObject< MeshT >::resetTriangleBsp() {
Jan Möbius's avatar
 
Jan Möbius committed
653
654
655
656
657
658
659
660
661
     if ( triangle_bsp_ != 0 )
     {
       delete triangle_bsp_;
       triangle_bsp_ = 0;
     }

     return requestTriangleBsp();
  }

662
  template < class MeshT  >
663
  void 
664
  MeshObject< MeshT >::invalidateTriangleBsp() {
665
666
667
668
669
670
671
     if ( triangle_bsp_ != 0 )
     {
       delete triangle_bsp_;
       triangle_bsp_ = 0;
     }
  }

Jan Möbius's avatar
 
Jan Möbius committed
672
673
674

  //=============================================================================

Dirk Wilden's avatar
Dirk Wilden committed
675
676
677
678
679
680
  template < class MeshT  >
  BaseNode* 
  MeshObject< MeshT >::primaryNode(){
    return boundingBoxNode();
  } 

Jan Möbius's avatar
Jan Möbius committed
681
682
  //=============================================================================