InfoScripting.cc 23.3 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
42
/*===========================================================================*\
 *                                                                           *
 *                              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: 83 $                                                         *
 *   $Author: moebius $                                                      *
 *   $Date: 2009-02-27 17:31:45 +0100 (Fr, 27. Feb 2009) $                   *
 *                                                                           *
\*===========================================================================*/

Jan Möbius's avatar
 
Jan Möbius committed
43
44
45
46
47
48
49
50
51
52
53
54
55
56
#include "InfoPlugin.hh"

#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
#include <ACG/Geometry/Algorithms.hh>
#include <MeshTools/MeshInfoT.hh>


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

/** \brief set the descriptions for scripting slots
 * 
 */
void InfoPlugin::setDescriptions(){

Jan Möbius's avatar
Jan Möbius committed
57
58
  emit setSlotDescription("vertexCount(int)",tr("get total number of vertices for a given object"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
59

Jan Möbius's avatar
Jan Möbius committed
60
61
  emit setSlotDescription("edgeCount(int)",tr("get total number of edges for a given object"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
62

Jan Möbius's avatar
Jan Möbius committed
63
64
  emit setSlotDescription("faceCount(int)",tr("get total number of faces for a given object"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
65

Jan Möbius's avatar
Jan Möbius committed
66
67
  emit setSlotDescription("boundaryCount(int)",tr("get number of boundaries for a given object"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
68

Jan Möbius's avatar
Jan Möbius committed
69
70
  emit setSlotDescription("componentCount(int)",tr("get number of components for a given object"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
71

Jan Möbius's avatar
Jan Möbius committed
72
73
  emit setSlotDescription("genus(int)",tr("get the genus of a given object"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
74

Jan Möbius's avatar
Jan Möbius committed
75
76
  emit setSlotDescription("cog(int)",tr("get the center of gravity for a given object"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
77

Jan Möbius's avatar
Jan Möbius committed
78
79
  emit setSlotDescription("boundingBoxMin(int)",tr("get minimum point of the axis-aligned bounding box"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
80

Jan Möbius's avatar
Jan Möbius committed
81
82
  emit setSlotDescription("boundingBoxMax(int)",tr("get maximum point of the axis-aligned bounding box"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
83

Jan Möbius's avatar
Jan Möbius committed
84
85
  emit setSlotDescription("boundingBoxSize(int)",tr("get the size of the axis-aligned bounding box"),
                          QStringList(tr("objectID")), QStringList(tr("id of an object")));
Jan Möbius's avatar
 
Jan Möbius committed
86
87


Jan Möbius's avatar
Jan Möbius committed
88
89
90
  emit setSlotDescription("edgeLength(int,int)",tr("Get the length of an edge"),
                          QString(tr("ObjectId,EdgeHandle")).split(","),
                          QString(tr("id of the object, handle of an edge")).split(","));
Jan Möbius's avatar
 
Jan Möbius committed
91

Jan Möbius's avatar
Jan Möbius committed
92
93
94
  emit setSlotDescription("faceArea(int,int)",tr("Get the area of a face"),
                          QString(tr("ObjectId,FaceHandle")).split(","),
                          QString(tr("id of the object, handle of a face")).split(","));
Jan Möbius's avatar
 
Jan Möbius committed
95

Jan Möbius's avatar
Jan Möbius committed
96
97
98
  emit setSlotDescription("aspectRatio(int,int)",tr("Get the aspect ratio of a face"),
                          QString(tr("ObjectId,FaceHandle")).split(","),
                          QString(tr("id of the object, handle of a face")).split(","));
Jan Möbius's avatar
 
Jan Möbius committed
99

Jan Möbius's avatar
Jan Möbius committed
100
101
102
  emit setSlotDescription("vertexValence(int,int)",tr("Get the valence of a vertex"),
                          QString(tr("ObjectId,VertexHandle")).split(","),
                          QString(tr("id of the object, handle of a vertex")).split(","));
Jan Möbius's avatar
 
Jan Möbius committed
103

Jan Möbius's avatar
Jan Möbius committed
104
105
  emit setSlotDescription("minEdgeLength(int)",tr("Get the minimal edge length of an object"),
                          QStringList(tr("ObjectId")), QStringList(tr("id of the object")));
106

Jan Möbius's avatar
Jan Möbius committed
107
108
  emit setSlotDescription("maxEdgeLength(int)",tr("Get the maximal edge length of an object"),
                          QStringList(tr("ObjectId")), QStringList(tr("id of the object")));
109

Jan Möbius's avatar
Jan Möbius committed
110
111
  emit setSlotDescription("meanEdgeLength(int)",tr("Get the mean edge length of an object"),
                          QStringList(tr("ObjectId")), QStringList(tr("id of the object")));
112

Jan Möbius's avatar
 
Jan Möbius committed
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
}


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

/** \brief get total number of vertices for a given object
 * 
 * @param _id object id
 * @return number of vertices or -1 if an error occured
 */
int InfoPlugin::vertexCount(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
131
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
132
133
134
135
136
137
138
    return -1;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
139
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
140
141
142
143
144
145
146
147
148
      return -1;
    }

    return mesh->n_vertices();

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
149
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
      return -1;
    }

    return mesh->n_vertices();
  }
}


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

/** \brief get total number of edges for a given object
 * 
 * @param _id object id
 * @return number of edges or -1 if an error occured
 */
int InfoPlugin::edgeCount(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
173
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
174
175
176
177
178
179
180
    return -1;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
181
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
182
183
184
185
186
187
188
189
190
      return -1;
    }

    return mesh->n_edges();

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
191
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
      return -1;
    }

    return mesh->n_edges();
  }
}


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

/** \brief get total number of faces for a given object
 * 
 * @param _id object id
 * @return number of faces or -1 if an error occured
 */
int InfoPlugin::faceCount(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
215
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
216
217
218
219
220
221
222
    return -1;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
223
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
224
225
226
227
228
229
230
231
232
      return -1;
    }

    return mesh->n_faces();

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
233
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
      return -1;
    }

    return mesh->n_faces();
  }
}


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

/** \brief get the number of boundaries for a given object
 * 
 * @param _id object id
 * @return number of boundaries or -1 if an error occured
 */
int InfoPlugin::boundaryCount(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
257
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
258
259
260
261
262
263
264
    return -1;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
265
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
266
267
268
269
270
271
272
273
274
      return -1;
    }

    return MeshInfo::boundaryCount(mesh);

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
275
      emit log(LOGERR, tr("Unable to get mesh"));
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
297
298
      return -1;
    }

    return MeshInfo::boundaryCount(mesh);
  }
}


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

/** \brief get the number of components for a given object
 * 
 * @param _id object id
 * @return number of components or -1 if an error occured
 */
int InfoPlugin::componentCount(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
299
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
300
301
302
303
304
305
306
    return -1;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
307
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
308
309
310
311
312
313
314
315
316
      return -1;
    }

    return MeshInfo::componentCount(mesh);

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
317
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
      return -1;
    }

    return MeshInfo::componentCount(mesh);
  }
}


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

/** \brief get the genus of the given object
 * 
 * @param _id id of an object
 * @return the genus
 */
int InfoPlugin::genus(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
341
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
342
343
344
345
346
347
348
    return -1;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
349
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
350
351
352
353
354
355
356
357
358
      return -1;
    }
///TODO this formula only works for closed objects: fix it
    return (1 - (mesh->n_vertices() - mesh->n_edges() + mesh->n_faces() ) / 2);

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
359
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
      return -1;
    }

    return (1 - (mesh->n_vertices() - mesh->n_edges() + mesh->n_faces() ) / 2);
  }
}


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

/** \brief get the center of gravity 
 * 
 * @param _id id of an object
 * @return the center of gravity
 */
Vector InfoPlugin::cog(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return Vector();

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
383
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
384
385
386
387
388
389
390
    return Vector();
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
391
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
392
393
394
395
396
397
398
399
400
      return Vector();
    }

    return MeshInfo::cog(*mesh);

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
401
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
      return Vector();
    }

    return MeshInfo::cog(*mesh);
  }
}


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

/** \brief get minimum point of the (axis aligned) bounding box
 * 
 * @param _id id of an object
 * @return minimum point of the bounding box
 */
Vector InfoPlugin::boundingBoxMin(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return Vector();

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
425
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
426
427
428
429
430
431
432
    return Vector();
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
433
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
434
435
436
437
438
439
440
441
442
443
444
445
446
      return Vector();
    }

    ACG::Vec3d min;
    ACG::Vec3d max;
    MeshInfo::getBoundingBox(*mesh, min, max);

    return min;

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
447
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
      return Vector();
    }

    ACG::Vec3d min;
    ACG::Vec3d max;
    MeshInfo::getBoundingBox(*mesh, min, max);

    return min;
  }
}


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

/** \brief get maximum point of the (axis aligned) bounding box
 * 
 * @param _id id of an object
 * @return maximum point of the bounding box
 */
Vector InfoPlugin::boundingBoxMax(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return Vector();

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
475
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
476
477
478
479
480
481
482
    return Vector();
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
483
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
484
485
486
487
488
489
490
491
492
493
494
495
496
      return Vector();
    }

    ACG::Vec3d min;
    ACG::Vec3d max;
    MeshInfo::getBoundingBox(*mesh, min, max);

    return max;

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
497
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
      return Vector();
    }

    ACG::Vec3d min;
    ACG::Vec3d max;
    MeshInfo::getBoundingBox(*mesh, min, max);

    return max;
  }
}


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

/** \brief get the size of the (axis aligned) bounding box
 * 
 * @param _id id of an object
 * @return size of the bounding box
 */
Vector InfoPlugin::boundingBoxSize(int _id)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return Vector();

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
525
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
526
527
528
529
530
531
532
    return Vector();
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
533
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
534
535
536
537
538
539
540
541
542
543
544
545
546
      return Vector();
    }

    ACG::Vec3d min;
    ACG::Vec3d max;
    MeshInfo::getBoundingBox(*mesh, min, max);

    return (max - min);

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
547
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
      return Vector();
    }

    ACG::Vec3d min;
    ACG::Vec3d max;
    MeshInfo::getBoundingBox(*mesh, min, max);

    return (max - min);
  }
}


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

/** \brief get the length of an edge
 * 
 * @param _id id of an object
 * @param _edgeHandle edge handle
 * @return edge length or -1 if an error occured
 */
double InfoPlugin::edgeLength(int _id, int _edgeHandle)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1.0;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
576
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
577
578
579
580
581
582
583
    return -1.0;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
584
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
585
586
587
588
589
590
      return -1.0;
    }

    TriMesh::EdgeHandle eh( _edgeHandle );

    if ( !eh.is_valid() ) {
Jan Möbius's avatar
Jan Möbius committed
591
      emit log(LOGERR,tr("Unable to get edge handle"));
Jan Möbius's avatar
 
Jan Möbius committed
592
593
594
595
596
597
598
599
600
601
602
603
604
      return -1.0;
    }

    TriMesh::HalfedgeHandle hh = mesh->halfedge_handle( eh, 0 );
    TriMesh::Point p0 = mesh->point( mesh->from_vertex_handle(hh) );
    TriMesh::Point p1 = mesh->point( mesh->to_vertex_handle(hh) );

    return (p0 - p1).norm();

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
605
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
606
607
608
609
610
611
      return -1.0;
    }

    PolyMesh::EdgeHandle eh( _edgeHandle );

    if ( !eh.is_valid() ) {
Jan Möbius's avatar
Jan Möbius committed
612
      emit log(LOGERR,tr("Unable to get edge handle"));
Jan Möbius's avatar
 
Jan Möbius committed
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
      return -1.0;
    }

    PolyMesh::HalfedgeHandle hh = mesh->halfedge_handle( eh, 0 );
    PolyMesh::Point p0 = mesh->point( mesh->from_vertex_handle(hh) );
    PolyMesh::Point p1 = mesh->point( mesh->to_vertex_handle(hh) );

    return (p0 - p1).norm();
  }
}


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

/** \brief get the area of a face
 * 
 * @param _id id of an object
 * @param _faceHandle face handle
 * @return face area or -1 if an error occured
 */
double InfoPlugin::faceArea(int _id, int _faceHandle)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1.0;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
641
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
642
643
644
645
646
647
648
    return -1.0;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
649
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
650
651
652
653
654
655
      return -1.0;
    }

    TriMesh::FaceHandle fh( _faceHandle );

    if ( !fh.is_valid() ) {
Jan Möbius's avatar
Jan Möbius committed
656
      emit log(LOGERR,tr("Unable to get face handle"));
Jan Möbius's avatar
 
Jan Möbius committed
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
      return -1.0;
    }

    TriMesh::FaceVertexIter fv_it = mesh->fv_iter(fh);

    TriMesh::Point v0 = mesh->point( fv_it.handle() );
    ++fv_it;
    TriMesh::Point v1 = mesh->point( fv_it.handle() );
    ++fv_it;
    TriMesh::Point v2 = mesh->point( fv_it.handle() );

    return ACG::Geometry::triangleArea( v0, v1, v2 );

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
674
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
675
676
677
678
679
680
      return -1.0;
    }

    PolyMesh::FaceHandle fh( _faceHandle );

    if ( !fh.is_valid() ) {
Jan Möbius's avatar
Jan Möbius committed
681
      emit log(LOGERR,tr("Unable to get face handle"));
Jan Möbius's avatar
 
Jan Möbius committed
682
683
684
685
686
687
688
689
690
691
692
      return -1.0;
    }

    PolyMesh::FaceVertexIter fv_it;

    std::vector< PolyMesh::Point > vertices;

    for (fv_it = mesh->fv_iter(fh); fv_it; ++fv_it)
      vertices.push_back( mesh->point( fv_it.handle() ) );

///TODO implement polygonArea
Jan Möbius's avatar
Jan Möbius committed
693
  emit log(LOGERR,tr("Not implemented yet"));
Jan Möbius's avatar
 
Jan Möbius committed
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
  return -1.0;
//     return ACG::Geometry::polygonArea( vertices );
  }
}


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

/** \brief get the aspect ratio of a face
 * 
 * @param _id id of an object
 * @param _faceHandle face handle
 * @return aspect ratio or -1 if an error occured
 */
double InfoPlugin::aspectRatio(int _id, int _faceHandle)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1.0;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
716
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
717
718
719
720
721
722
723
    return -1.0;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
724
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
725
726
727
728
729
730
      return -1.0;
    }

    TriMesh::FaceHandle fh( _faceHandle );

    if ( !fh.is_valid() ) {
Jan Möbius's avatar
Jan Möbius committed
731
      emit log(LOGERR,tr("Unable to get face handle"));
Jan Möbius's avatar
 
Jan Möbius committed
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
      return -1.0;
    }

    TriMesh::FaceVertexIter fv_it = mesh->fv_iter(fh);

    TriMesh::Point v0 = mesh->point( fv_it.handle() );
    ++fv_it;
    TriMesh::Point v1 = mesh->point( fv_it.handle() );
    ++fv_it;
    TriMesh::Point v2 = mesh->point( fv_it.handle() );

    return ACG::Geometry::aspectRatio( v0, v1, v2 );

  } else {

Jan Möbius's avatar
Jan Möbius committed
747
    emit log(LOGERR,tr("Aspect ratio can only be calculated for triangle meshes"));
Jan Möbius's avatar
 
Jan Möbius committed
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
    return -1.0;
  }
}


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

/** \brief get vertex valence
 * 
 * @param _id id of an object
 * @param _vertexHandle vertex handle
 * @return vertex valence or -1 if an error occured
 */
int InfoPlugin::vertexValence  (int _id, int _vertexHandle)
{

  BaseObjectData* object;
  if ( ! PluginFunctions::getObject(_id,object) )
    return -1;

  if ( object == 0){
Jan Möbius's avatar
Jan Möbius committed
769
    emit log(LOGERR, tr("Unable to get object"));
Jan Möbius's avatar
 
Jan Möbius committed
770
771
772
773
774
775
776
    return -1;
  }

  if ( object->dataType(DATA_TRIANGLE_MESH) ) {
    TriMesh* mesh = PluginFunctions::triMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
777
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
778
779
780
781
782
783
      return -1;
    }

    TriMesh::VertexHandle vh( _vertexHandle );

    if ( !vh.is_valid() ) {
Jan Möbius's avatar
Jan Möbius committed
784
      emit log(LOGERR,tr("Unable to get vertex handle"));
Jan Möbius's avatar
 
Jan Möbius committed
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
      return -1;
    }

    //check valence
    int valence = 0;
    TriMesh::VertexVertexIter vv_it;
  
    for (vv_it=mesh->vv_iter( vh ); vv_it; ++vv_it)
      valence++;

    return valence;

  } else {
    PolyMesh* mesh = PluginFunctions::polyMesh(object);

    if ( mesh == 0 ) {
Jan Möbius's avatar
Jan Möbius committed
801
      emit log(LOGERR, tr("Unable to get mesh"));
Jan Möbius's avatar
 
Jan Möbius committed
802
803
804
805
806
807
      return -1;
    }

    PolyMesh::VertexHandle vh( _vertexHandle );

    if ( !vh.is_valid() ) {
Jan Möbius's avatar
Jan Möbius committed
808
      emit log(LOGERR,tr("Unable to get vertex handle"));
Jan Möbius's avatar
 
Jan Möbius committed
809
810
811
812
813
814
815
816
817
818
819
820
821
822
      return -1;
    }

    //check valence
    int valence = 0;
    PolyMesh::VertexVertexIter vv_it;
  
    for (vv_it=mesh->vv_iter( vh ); vv_it; ++vv_it)
      valence++;

    return valence;
  }
}

823
824
825
826
827
828
829
830
831
832
//------------------------------------------------------------------------------

/** \brief get minimal edge length for a given object
 * 
 * @param _id object id
 * @return minimal edge length or -1 if an error occured
 */
double InfoPlugin::minEdgeLength(int _id)
{
  double min, max, mean;
Jan Möbius's avatar
 
Jan Möbius committed
833

834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
  if (getEdgeLengths (_id, min, max, mean))
    return min;
  else
    return -1;
}

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

/** \brief get maximal edge length for a given object
 * 
 * @param _id object id
 * @return maximal edge length or -1 if an error occured
 */
double InfoPlugin::maxEdgeLength(int _id)
{
  double min, max, mean;

  if (getEdgeLengths (_id, min, max, mean))
    return max;
  else
    return -1;
}

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

/** \brief get the mean edge length for a given object
 * 
 * @param _id object id
 * @return mean edge length or -1 if an error occured
 */
double InfoPlugin::meanEdgeLength(int _id)
{
  double min, max, mean;

  if (getEdgeLengths (_id, min, max, mean))
    return mean;
  else
    return -1;
}