PLYReader.cc 35 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1
2
3
/*===========================================================================*\
 *                                                                           *
 *                               OpenMesh                                    *
Jan Möbius's avatar
Jan Möbius committed
4
 *      Copyright (C) 2001-2012 by Computer Graphics Group, RWTH Aachen      *
Jan Möbius's avatar
Jan Möbius committed
5
6
 *                           www.openmesh.org                                *
 *                                                                           *
Mike Kremer's avatar
Mike Kremer committed
7
 *---------------------------------------------------------------------------*
8
 *  This file is part of OpenMesh.                                           *
Jan Möbius's avatar
Jan Möbius committed
9
 *                                                                           *
Mike Kremer's avatar
Mike Kremer committed
10
 *  OpenMesh is free software: you can redistribute it and/or modify         *
11
12
13
14
 *  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:                                                    *
Jan Möbius's avatar
Jan Möbius committed
15
 *                                                                           *
16
17
18
19
20
21
22
 *  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.                        *
Jan Möbius's avatar
Jan Möbius committed
23
 *                                                                           *
24
25
26
27
 *  OpenMesh 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.                      *
Jan Möbius's avatar
Jan Möbius committed
28
 *                                                                           *
29
30
31
32
 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenMesh.  If not,                                    *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
Mike Kremer's avatar
Mike Kremer committed
33
 \*===========================================================================*/
34
35

/*===========================================================================*\
Mike Kremer's avatar
Mike Kremer committed
36
 *                                                                           *
37
38
 *   $Revision$                                                         *
 *   $Date$                   *
Jan Möbius's avatar
Jan Möbius committed
39
 *                                                                           *
Mike Kremer's avatar
Mike Kremer committed
40
 \*===========================================================================*/
Jan Möbius's avatar
Jan Möbius committed
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73

#define LINE_LEN 4096

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

// OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/System/omstream.hh>
#include <OpenMesh/Core/IO/reader/PLYReader.hh>
#include <OpenMesh/Core/IO/importer/BaseImporter.hh>
#include <OpenMesh/Core/IO/IOManager.hh>
#include <OpenMesh/Core/Utils/color_cast.hh>
#include <OpenMesh/Core/IO/SR_store.hh>

//STL
#include <fstream>
#include <memory>

#ifndef WIN32
#include <string.h>
#endif

//=== NAMESPACES ==============================================================


namespace OpenMesh {
namespace IO {

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

//=== INSTANCIATE =============================================================


Mike Kremer's avatar
Mike Kremer committed
74
75
_PLYReader_ __PLYReaderInstance;
_PLYReader_& PLYReader() {
76
    return __PLYReaderInstance;
Mike Kremer's avatar
Mike Kremer committed
77
}
Jan Möbius's avatar
Jan Möbius committed
78
79
80
81

//=== IMPLEMENTATION ==========================================================


Mike Kremer's avatar
Mike Kremer committed
82
_PLYReader_::_PLYReader_() {
83
    IOManager().register_module(this);
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102

    // Store sizes in byte of each property type
    scalar_size_[ValueTypeINT8] = 1;
    scalar_size_[ValueTypeUINT8] = 1;
    scalar_size_[ValueTypeINT16] = 2;
    scalar_size_[ValueTypeUINT16] = 2;
    scalar_size_[ValueTypeINT32] = 4;
    scalar_size_[ValueTypeUINT32] = 4;
    scalar_size_[ValueTypeFLOAT32] = 4;
    scalar_size_[ValueTypeFLOAT64] = 8;

    scalar_size_[ValueTypeCHAR] = 1;
    scalar_size_[ValueTypeUCHAR] = 1;
    scalar_size_[ValueTypeSHORT] = 2;
    scalar_size_[ValueTypeUSHORT] = 2;
    scalar_size_[ValueTypeINT] = 4;
    scalar_size_[ValueTypeUINT] = 4;
    scalar_size_[ValueTypeFLOAT] = 4;
    scalar_size_[ValueTypeDOUBLE] = 8;
Jan Möbius's avatar
Jan Möbius committed
103
104
105
106
107
}

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


Mike Kremer's avatar
Mike Kremer committed
108
bool _PLYReader_::read(const std::string& _filename, BaseImporter& _bi, Options& _opt) {
109

110
    std::fstream in(_filename.c_str(), (std::ios_base::binary | std::ios_base::in) );
Jan Möbius's avatar
Jan Möbius committed
111

112
113
114
115
    if (!in.is_open() || !in.good()) {
        omerr() << "[PLYReader] : cannot not open file " << _filename << std::endl;
        return false;
    }
Jan Möbius's avatar
Jan Möbius committed
116

117
    bool result = read(in, _bi, _opt);
Jan Möbius's avatar
Jan Möbius committed
118

119
120
    in.close();
    return result;
Jan Möbius's avatar
Jan Möbius committed
121
122
123
124
125
}

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


126
127
128
129
130
131
132
bool _PLYReader_::read(std::istream& _in, BaseImporter& _bi, Options& _opt) {

    if (!_in.good()) {
        omerr() << "[PLYReader] : cannot not use stream" << std::endl;
        return false;
    }

133
134
    // filter relevant options for reading
    bool swap = _opt.check(Options::Swap);
Jan Möbius's avatar
Jan Möbius committed
135

136
    userOptions_ = _opt;
Jan Möbius's avatar
Jan Möbius committed
137

138
139
    // build options to be returned
    _opt.clear();
Jan Möbius's avatar
Jan Möbius committed
140

141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
    if (options_.vertex_has_normal() && userOptions_.vertex_has_normal()) {
        _opt += Options::VertexNormal;
    }
    if (options_.vertex_has_texcoord() && userOptions_.vertex_has_texcoord()) {
        _opt += Options::VertexTexCoord;
    }
    if (options_.vertex_has_color() && userOptions_.vertex_has_color()) {
        _opt += Options::VertexColor;
    }
    if (options_.face_has_color() && userOptions_.face_has_color()) {
        _opt += Options::FaceColor;
    }
    if (options_.is_binary()) {
        _opt += Options::Binary;
    }
156
157
158
    if (options_.color_is_float()) {
        _opt += Options::ColorFloat;
    }
Jan Möbius's avatar
Jan Möbius committed
159

160
161
162
    //    //force user-choice for the alpha value when reading binary
    //    if ( options_.is_binary() && userOptions_.color_has_alpha() )
    //      options_ += Options::ColorAlpha;
Jan Möbius's avatar
Jan Möbius committed
163

164
    return (options_.is_binary() ? read_binary(_in, _bi, swap, _opt) : read_ascii(_in, _bi, _opt));
Jan Möbius's avatar
Jan Möbius committed
165
166
167

}

168
169


Jan Möbius's avatar
Jan Möbius committed
170
171
//-----------------------------------------------------------------------------

172
bool _PLYReader_::read_ascii(std::istream& _in, BaseImporter& _bi, const Options& _opt) const {
Mike Kremer's avatar
Mike Kremer committed
173

174
175
176
177
178
179
180
181
182
183
    omlog() << "[PLYReader] : read ascii file\n";

    // Reparse the header
    if (!can_u_read(_in)) {
        omerr() << "[PLYReader] : Unable to parse header\n";
        return false;
    }

    unsigned int i, j, k, l, idx;
    unsigned int nV;
Jan Möbius's avatar
Jan Möbius committed
184
    OpenMesh::Vec3f v, n;
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
    std::string trash;
    OpenMesh::Vec2f t;
    OpenMesh::Vec4i c;
    float tmp;
    BaseImporter::VHandles vhandles;
    VertexHandle vh;

    _bi.reserve(vertexCount_, 3* vertexCount_ , faceCount_);

    if (vertexDimension_ != 3) {
        omerr() << "[PLYReader] : Only vertex dimension 3 is supported." << std::endl;
        return false;
    }

    // read vertices:
    for (i = 0; i < vertexCount_ && !_in.eof(); ++i) {
        v[0] = 0.0;
        v[1] = 0.0;
        v[2] = 0.0;

Jan Möbius's avatar
Jan Möbius committed
205
206
207
208
        n[0] = 0.0;
        n[1] = 0.0;
        n[2] = 0.0;

209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
        t[0] = 0.0;
        t[1] = 0.0;

        c[0] = 0;
        c[1] = 0;
        c[2] = 0;
        c[3] = 255;

        for (uint propertyIndex = 0; propertyIndex < vertexPropertyCount_; ++propertyIndex) {
            switch (vertexPropertyMap_[propertyIndex].first) {
            case XCOORD:
                _in >> v[0];
                break;
            case YCOORD:
                _in >> v[1];
                break;
            case ZCOORD:
                _in >> v[2];
                break;
Jan Möbius's avatar
Jan Möbius committed
228
229
230
231
232
233
234
235
236
            case XNORM:
                _in >> n[0];
                break;
            case YNORM:
                _in >> n[1];
                break;
            case ZNORM:
                _in >> n[2];
                break;
237
238
239
240
241
242
243
            case TEXX:
                _in >> t[0];
                break;
            case TEXY:
                _in >> t[1];
                break;
            case COLORRED:
244
245
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
246
247
248
249
250
251
                    _in >> tmp;
                    c[0] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
                    _in >> c[0];
                break;
            case COLORGREEN:
252
253
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
254
255
256
257
258
259
                    _in >> tmp;
                    c[1] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
                    _in >> c[1];
                break;
            case COLORBLUE:
260
261
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
262
263
264
265
266
267
                    _in >> tmp;
                    c[2] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
                    _in >> c[2];
                break;
            case COLORALPHA:
268
269
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
270
271
272
273
274
275
276
277
278
279
280
281
                    _in >> tmp;
                    c[3] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
                    _in >> c[3];
                break;
            default:
                _in >> trash;
                break;
            }
        }

        vh = _bi.add_vertex(v);
282
283
284
285
286
287
        if (_opt.vertex_has_normal())
          _bi.set_normal(vh, n);
        if (_opt.vertex_has_texcoord())
          _bi.set_texcoord(vh, t);
        if (_opt.vertex_has_color())
          _bi.set_color(vh, Vec4uc(c));
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
    }

    // faces
    // #N <v1> <v2> .. <v(n-1)> [color spec]
    for (i = 0; i < faceCount_; ++i) {
        // nV = number of Vertices for current face
        _in >> nV;

        if (nV == 3) {
            vhandles.resize(3);
            _in >> j;
            _in >> k;
            _in >> l;

            vhandles[0] = VertexHandle(j);
            vhandles[1] = VertexHandle(k);
            vhandles[2] = VertexHandle(l);
        } else {
            vhandles.clear();
            for (j = 0; j < nV; ++j) {
                _in >> idx;
                vhandles.push_back(VertexHandle(idx));
            }
        }

        FaceHandle fh = _bi.add_face(vhandles);

    }

    // File was successfully parsed.
    return true;
Jan Möbius's avatar
Jan Möbius committed
319
320
321
322
}

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

323
bool _PLYReader_::read_binary(std::istream& _in, BaseImporter& _bi, bool /*_swap*/, const Options& _opt) const {
Mike Kremer's avatar
Mike Kremer committed
324

325
326
327
328
329
330
331
332
333
334
    omlog() << "[PLYReader] : read binary file format\n";

    // Reparse the header
    if (!can_u_read(_in)) {
        omerr() << "[PLYReader] : Unable to parse header\n";
        return false;
    }

    unsigned int i, j, k, l, idx;
    unsigned int nV;
335
336
    OpenMesh::Vec3f        v, n;  // Vertex
    OpenMesh::Vec2f        t;  // TexCoords
337
    BaseImporter::VHandles vhandles;
338
339
340
    VertexHandle           vh;
    OpenMesh::Vec4i        c;  // Color
    float                  tmp;
341
342
343
344
345
346
347
348
349

    _bi.reserve(vertexCount_, 3* vertexCount_ , faceCount_);

    // read vertices:
    for (i = 0; i < vertexCount_ && !_in.eof(); ++i) {
        v[0] = 0.0;
        v[1] = 0.0;
        v[2] = 0.0;

Jan Möbius's avatar
Jan Möbius committed
350
351
352
353
        n[0] = 0.0;
        n[1] = 0.0;
        n[2] = 0.0;

354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
        t[0] = 0.0;
        t[1] = 0.0;

        c[0] = 0;
        c[1] = 0;
        c[2] = 0;
        c[3] = 255;

        for (uint propertyIndex = 0; propertyIndex < vertexPropertyCount_; ++propertyIndex) {
            switch (vertexPropertyMap_[propertyIndex].first) {
            case XCOORD:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, v[0]);
                break;
            case YCOORD:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, v[1]);
                break;
            case ZCOORD:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, v[2]);
                break;
Jan Möbius's avatar
Jan Möbius committed
373
374
375
376
377
378
379
380
381
            case XNORM:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, n[0]);
                break;
            case YNORM:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, n[1]);
                break;
            case ZNORM:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, n[2]);
                break;
382
383
384
385
386
387
388
            case TEXX:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, t[0]);
                break;
            case TEXY:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, t[1]);
                break;
            case COLORRED:
389
390
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
391
392
393
394
                    readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);

                    c[0] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
395
396
                    readInteger(vertexPropertyMap_[propertyIndex].second, _in, c[0]);

397
398
                break;
            case COLORGREEN:
399
400
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
401
402
403
                    readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
                    c[1] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
404
405
                    readInteger(vertexPropertyMap_[propertyIndex].second, _in, c[1]);

406
407
                break;
            case COLORBLUE:
408
409
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
410
411
412
                    readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
                    c[2] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
413
414
                    readInteger(vertexPropertyMap_[propertyIndex].second, _in, c[2]);

415
416
                break;
            case COLORALPHA:
417
418
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
419
420
421
                    readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
                    c[3] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
422
423
                    readInteger(vertexPropertyMap_[propertyIndex].second, _in, c[3]);

424
425
                break;
            default:
426
427
                // Read unsupported property
                consume_input(_in, scalar_size_[vertexPropertyMap_[propertyIndex].second]);
428
429
430
431
432
433
                break;
            }

        }

        vh = _bi.add_vertex(v);
434
435
436
437
438
439
        if (_opt.vertex_has_normal())
          _bi.set_normal(vh, n);
        if (_opt.vertex_has_texcoord())
          _bi.set_texcoord(vh, t);
        if (_opt.vertex_has_color())
          _bi.set_color(vh, Vec4uc(c));
440
441
442
443
444
445
446
447
    }

    for (i = 0; i < faceCount_; ++i) {
        // Read number of vertices for the current face
        readValue(faceIndexType_, _in, nV);

        if (nV == 3) {
            vhandles.resize(3);
448
449
450
            readInteger(faceEntryType_, _in, j);
            readInteger(faceEntryType_, _in, k);
            readInteger(faceEntryType_, _in, l);
451
452
453
454
455
456
457

            vhandles[0] = VertexHandle(j);
            vhandles[1] = VertexHandle(k);
            vhandles[2] = VertexHandle(l);
        } else {
            vhandles.clear();
            for (j = 0; j < nV; ++j) {
458
                readInteger(faceEntryType_, _in, idx);
459
460
461
462
463
464
465
466
                vhandles.push_back(VertexHandle(idx));
            }
        }

        FaceHandle fh = _bi.add_face(vhandles);
    }

    return true;
Jan Möbius's avatar
Jan Möbius committed
467
468
469
}


470
471
472
//-----------------------------------------------------------------------------


473
void _PLYReader_::readValue(ValueType _type, std::istream& _in, float& _value) const {
474

475
476
477
478
479
480
481
482
483
484
485
486
    switch (_type) {
    case ValueTypeFLOAT32:
    case ValueTypeFLOAT:
        float32_t tmp;
        restore(_in, tmp, options_.check(Options::MSB));
        _value = tmp;
        break;
    default:
        _value = 0.0;
        std::cerr << "unsupported conversion type to float: " << _type << std::endl;
        break;
    }
487
488
}

489
490
491
492
493
494
495

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


void _PLYReader_::readValue(ValueType _type, std::istream& _in, double& _value) const {

    switch (_type) {
496

497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
        case ValueTypeFLOAT64:

        case ValueTypeDOUBLE:

            float64_t tmp;
            restore(_in, tmp, options_.check(Options::MSB));
            _value = tmp;

            break;

    default:

        _value = 0.0;
        std::cerr << "unsupported conversion type to double: " << _type << std::endl;

        break;
    }
}


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


520
void _PLYReader_::readValue(ValueType _type, std::istream& _in, unsigned int& _value) const {
521

522
523
    uint32_t tmp_uint32_t;
    uint16_t tmp_uint16_t;
524
525
526
    uint8_t tmp_uchar;

    switch (_type) {
527
528
529
530

        case ValueTypeUINT:

        case ValueTypeUINT32:
531

532
533
534
            restore(_in, tmp_uint32_t, options_.check(Options::MSB));
            _value = tmp_uint32_t;

535
        break;
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560

        case ValueTypeUSHORT:

        case ValueTypeUINT16:

            restore(_in, tmp_uint16_t, options_.check(Options::MSB));
            _value = tmp_uint16_t;

            break;

        case ValueTypeUCHAR:

        case ValueTypeUINT8:

            restore(_in, tmp_uchar, options_.check(Options::MSB));
            _value = tmp_uchar;

            break;

        default:

            _value = 0;
            std::cerr << "unsupported conversion type to unsigned int: " << _type << std::endl;

            break;
561
    }
562
563
}

564
565
566
567

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


568
void _PLYReader_::readValue(ValueType _type, std::istream& _in, int& _value) const {
569

570
    int32_t tmp_int32_t;
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
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
    int16_t tmp_int16_t;
    int8_t tmp_char;

    switch (_type) {

        case ValueTypeINT:

        case ValueTypeINT32:

            restore(_in, tmp_int32_t, options_.check(Options::MSB));
            _value = tmp_int32_t;

            break;

        case ValueTypeSHORT:

        case ValueTypeINT16:

            restore(_in, tmp_int16_t, options_.check(Options::MSB));
            _value = tmp_int16_t;

            break;

        case ValueTypeCHAR:

        case ValueTypeINT8:

            restore(_in, tmp_char, options_.check(Options::MSB));
            _value = tmp_char;

            break;

        default:

            _value = 0;
            std::cerr << "unsupported conversion type to int: " << _type << std::endl;

            break;
    }
}


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


void _PLYReader_::readInteger(ValueType _type, std::istream& _in, int& _value) const {

    int32_t tmp_int32_t;
    uint32_t tmp_uint32_t;
    int8_t tmp_char;
621
622
623
    uint8_t tmp_uchar;

    switch (_type) {
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639

        case ValueTypeINT:

        case ValueTypeINT32:

            restore(_in, tmp_int32_t, options_.check(Options::MSB));
            _value = tmp_int32_t;

            break;

        case ValueTypeUINT:

        case ValueTypeUINT32:

            restore(_in, tmp_uint32_t, options_.check(Options::MSB));
            _value = tmp_uint32_t;
640

641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
            break;

        case ValueTypeCHAR:

        case ValueTypeINT8:

            restore(_in, tmp_char, options_.check(Options::MSB));
            _value = tmp_char;

            break;

        case ValueTypeUCHAR:

        case ValueTypeUINT8:

            restore(_in, tmp_uchar, options_.check(Options::MSB));
            _value = tmp_uchar;

            break;

        default:

            _value = 0;
            std::cerr << "unsupported conversion type to int: " << _type << std::endl;

            break;
667
    }
668
669
}

670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728

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


void _PLYReader_::readInteger(ValueType _type, std::istream& _in, unsigned int& _value) const {

    int32_t tmp_int32_t;
    uint32_t tmp_uint32_t;
    int8_t tmp_char;
    uint8_t tmp_uchar;

    switch (_type) {

        case ValueTypeUINT:

        case ValueTypeUINT32:

            restore(_in, tmp_uint32_t, options_.check(Options::MSB));
            _value = tmp_uint32_t;

            break;

        case ValueTypeINT:

        case ValueTypeINT32:

            restore(_in, tmp_int32_t, options_.check(Options::MSB));
            _value = tmp_int32_t;

            break;

        case ValueTypeUCHAR:

        case ValueTypeUINT8:

            restore(_in, tmp_uchar, options_.check(Options::MSB));
            _value = tmp_uchar;

            break;

        case ValueTypeCHAR:

        case ValueTypeINT8:

            restore(_in, tmp_char, options_.check(Options::MSB));
            _value = tmp_char;

            break;

        default:

            _value = 0;
            std::cerr << "unsupported conversion type to unsigned int: " << _type << std::endl;

            break;
    }
}


729
730
//------------------------------------------------------------------------------

731

Mike Kremer's avatar
Mike Kremer committed
732
bool _PLYReader_::can_u_read(const std::string& _filename) const {
733

734
735
736
737
738
739
740
741
742
743
744
    // !!! Assuming BaseReader::can_u_parse( std::string& )
    // does not call BaseReader::read_magic()!!!

    if (BaseReader::can_u_read(_filename)) {
        std::ifstream ifs(_filename.c_str());
        if (ifs.is_open() && can_u_read(ifs)) {
            ifs.close();
            return true;
        }
    }
    return false;
Jan Möbius's avatar
Jan Möbius committed
745
746
}

747
748


Jan Möbius's avatar
Jan Möbius committed
749
750
//-----------------------------------------------------------------------------

Mike Kremer's avatar
Mike Kremer committed
751
std::string get_property_name(std::string _string1, std::string _string2) {
752

753
754
755
756
    if (_string1 == "float32" || _string1 == "float64" || _string1 == "float" || _string1 == "double" ||
        _string1 == "int8" || _string1 == "uint8" || _string1 == "char" || _string1 == "uchar" ||
        _string1 == "int32" || _string1 == "uint32" || _string1 == "int" || _string1 == "uint" ||
        _string1 == "int16" || _string1 == "uint16" || _string1 == "short" || _string1 == "ushort")
757
        return _string2;
Mike Kremer's avatar
Mike Kremer committed
758

759
760
761
762
    if (_string2 == "float32" || _string2 == "float64" || _string2 == "float" || _string2 == "double" ||
        _string2 == "int8" || _string2 == "uint8" || _string2 == "char" || _string2 == "uchar" ||
        _string2 == "int32" || _string2 == "uint32" || _string2 == "int" || _string2 == "uint" ||
        _string2 == "int16" || _string2 == "uint16" || _string2 == "short" || _string2 == "ushort")
763
        return _string1;
Mike Kremer's avatar
Mike Kremer committed
764

765

766
767
    std::cerr << "Unsupported entry type" << std::endl;
    return "Unsupported";
Jan Möbius's avatar
Jan Möbius committed
768
769
770
771
}

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

Mike Kremer's avatar
Mike Kremer committed
772
_PLYReader_::ValueType get_property_type(std::string _string1, std::string _string2) {
773

774
    if (_string1 == "float32" || _string2 == "float32")
775

776
        return _PLYReader_::ValueTypeFLOAT32;
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795

    else if (_string1 == "float64" || _string2 == "float64")

        return _PLYReader_::ValueTypeFLOAT64;

    else if (_string1 == "float" || _string2 == "float")

        return _PLYReader_::ValueTypeFLOAT;

    else if (_string1 == "double" || _string2 == "double")

        return _PLYReader_::ValueTypeDOUBLE;

    else if (_string1 == "int8" || _string2 == "int8")

        return _PLYReader_::ValueTypeINT8;

    else if (_string1 == "uint8" || _string2 == "uint8")

796
        return _PLYReader_::ValueTypeUINT8;
797
798
799
800
801

    else if (_string1 == "char" || _string2 == "char")

        return _PLYReader_::ValueTypeCHAR;

802
    else if (_string1 == "uchar" || _string2 == "uchar")
803

804
        return _PLYReader_::ValueTypeUCHAR;
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836

    else if (_string1 == "int32" || _string2 == "int32")

        return _PLYReader_::ValueTypeINT32;

    else if (_string1 == "uint32" || _string2 == "uint32")

        return _PLYReader_::ValueTypeUINT32;

    else if (_string1 == "int" || _string2 == "int")

        return _PLYReader_::ValueTypeINT;

    else if (_string1 == "uint" || _string2 == "uint")

        return _PLYReader_::ValueTypeUINT;

    else if (_string1 == "int16" || _string2 == "int16")

        return _PLYReader_::ValueTypeINT16;

    else if (_string1 == "uint16" || _string2 == "uint16")

        return _PLYReader_::ValueTypeUINT16;

    else if (_string1 == "short" || _string2 == "short")

        return _PLYReader_::ValueTypeSHORT;

    else if (_string1 == "ushort" || _string2 == "ushort")

        return _PLYReader_::ValueTypeUSHORT;
837
838

    return _PLYReader_::Unsupported;
Jan Möbius's avatar
Jan Möbius committed
839
840
}

841

Jan Möbius's avatar
Jan Möbius committed
842
843
//-----------------------------------------------------------------------------

Mike Kremer's avatar
Mike Kremer committed
844
bool _PLYReader_::can_u_read(std::istream& _is) const {
845

846
847
848
849
850
851
852
853
854
855
    // Clear per file options
    options_.cleanup();

    // clear vertex property map, will be recreated
    vertexPropertyMap_.clear();
    vertexPropertyCount_ = 0;

    // read 1st line
    std::string line;
    std::getline(_is, line);
856
    trim(line);
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889

    //Check if this file is really a ply format
    if (line != "PLY" && line != "ply")
        return false;

    //   omlog() << "PLY header found" << std::endl;

    vertexCount_ = 0;
    faceCount_ = 0;
    vertexDimension_ = 0;

    std::string keyword;
    std::string fileType;
    std::string elementName = "";
    std::string propertyName;
    std::string listIndexType;
    std::string listEntryType;
    float version;

    _is >> keyword;
    _is >> fileType;
    _is >> version;

    if (_is.bad()) {
        omerr() << "Defect PLY header detected" << std::endl;
        return false;
    }

    if (fileType == "ascii") {
        options_ -= Options::Binary;
    } else if (fileType == "binary_little_endian") {
        options_ += Options::Binary;
        options_ += Options::LSB;
890
891
892
        //if (Endian::local() == Endian::MSB)

        //  options_ += Options::Swap;
893
894
895
    } else if (fileType == "binary_big_endian") {
        options_ += Options::Binary;
        options_ += Options::MSB;
896
897
898
        //if (Endian::local() == Endian::LSB)

        //  options_ += Options::Swap;
899
900
901
902
903
    } else {
        omerr() << "Unsupported PLY format: " << fileType << std::endl;
        return false;
    }

Jan Möbius's avatar
Jan Möbius committed
904
    size_t streamPos = _is.tellg();
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
    _is >> keyword;
    while (keyword != "end_header") {

        if (keyword == "comment") {
            std::getline(_is, line);
            omlog() << "PLY header comment : " << line << std::endl;
        } else if (keyword == "element") {
            _is >> elementName;
            if (elementName == "vertex") {
                _is >> vertexCount_;
            } else if (elementName == "face") {
                _is >> faceCount_;
            } else {
                omerr() << "PLY header unsupported element type: " << elementName << std::endl;
            }
        } else if (keyword == "property") {
            std::string tmp1;
            std::string tmp2;

            // Read first keyword, as it might be a list
            _is >> tmp1;

            if (tmp1 == "list") {
                if (elementName == "vertex") {
                    omerr() << "List type not supported for vertices!" << std::endl;
                } else if (elementName == "face") {
                    _is >> listIndexType;
                    _is >> listEntryType;
                    _is >> propertyName;

                    if (listIndexType == "uint8") {
                        faceIndexType_ = ValueTypeUINT8;
                    } else if (listIndexType == "uchar") {
                        faceIndexType_ = ValueTypeUCHAR;
                    } else {
                        omerr() << "Unsupported Index type for face list: " << listIndexType << std::endl;
                    }

                    if (listEntryType == "int32") {
                        faceEntryType_ = ValueTypeINT32;
                    } else if (listEntryType == "int") {
                        faceEntryType_ = ValueTypeINT;
                    } else {
                        omerr() << "Unsupported Entry type for face list: " << listEntryType << std::endl;
                    }

                }
            } else {
                // as this is not a list property, read second value of property
                _is >> tmp2;

                if (elementName == "vertex") {
                    // Extract name and type of property
                    // As the order seems to be different in some files, autodetect it.
                    ValueType valueType = get_property_type(tmp1, tmp2);
                    propertyName = get_property_name(tmp1, tmp2);

                    if (propertyName == "x") {
                        std::pair<VertexProperty, ValueType> entry(XCOORD, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        vertexDimension_++;
                    } else if (propertyName == "y") {
                        std::pair<VertexProperty, ValueType> entry(YCOORD, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        vertexDimension_++;
                    } else if (propertyName == "z") {
                        std::pair<VertexProperty, ValueType> entry(ZCOORD, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        vertexDimension_++;
Jan Möbius's avatar
Jan Möbius committed
974
975
976
977
978
979
980
981
982
983
984
985
                    } else if (propertyName == "nx") {
                        std::pair<VertexProperty, ValueType> entry(XNORM, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexNormal;
                    } else if (propertyName == "ny") {
                        std::pair<VertexProperty, ValueType> entry(YNORM, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexNormal;
                    } else if (propertyName == "nz") {
                        std::pair<VertexProperty, ValueType> entry(ZNORM, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexNormal;
986
987
988
989
990
991
992
993
994
995
996
997
                    } else if (propertyName == "u" || propertyName == "s") {
                        std::pair<VertexProperty, ValueType> entry(TEXX, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexTexCoord;
                    } else if (propertyName == "v" || propertyName == "t") {
                        std::pair<VertexProperty, ValueType> entry(TEXY, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexTexCoord;
                    } else if (propertyName == "red") {
                        std::pair<VertexProperty, ValueType> entry(COLORRED, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexColor;
998
999
                        if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                          options_ += Options::ColorFloat;
1000
1001
1002
1003
                    } else if (propertyName == "green") {
                        std::pair<VertexProperty, ValueType> entry(COLORGREEN, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexColor;
1004
1005
                        if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                          options_ += Options::ColorFloat;
1006
1007
1008
1009
                    } else if (propertyName == "blue") {
                        std::pair<VertexProperty, ValueType> entry(COLORBLUE, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexColor;
1010
1011
                        if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                          options_ += Options::ColorFloat;
1012
1013
1014
1015
                    } else if (propertyName == "diffuse_red") {
                      std::pair<VertexProperty, ValueType> entry(COLORRED, valueType);
                      vertexPropertyMap_[vertexPropertyCount_] = entry;
                      options_ += Options::VertexColor;
1016
1017
                      if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                        options_ += Options::ColorFloat;
1018
1019
1020
1021
                    } else if (propertyName == "diffuse_green") {
                      std::pair<VertexProperty, ValueType> entry(COLORGREEN, valueType);
                      vertexPropertyMap_[vertexPropertyCount_] = entry;
                      options_ += Options::VertexColor;
1022
1023
                      if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                        options_ += Options::ColorFloat;
1024
1025
1026
                    } else if (propertyName == "diffuse_blue") {
                      std::pair<VertexProperty, ValueType> entry(COLORBLUE, valueType);
                      vertexPropertyMap_[vertexPropertyCount_] = entry;
1027
                      options_ += Options::VertexColor;
1028
1029
                      if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                        options_ += Options::ColorFloat;
1030
1031
1032
1033
1034
                    } else if (propertyName == "alpha") {
                        std::pair<VertexProperty, ValueType> entry(COLORALPHA, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexColor;
                        options_ += Options::ColorAlpha;
1035
1036
                        if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                          options_ += Options::ColorFloat;
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
                    } else {
                        std::pair<VertexProperty, ValueType> entry(UNSUPPORTED, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        std::cerr << "Unsupported property : " << propertyName << std::endl;
                    }

                    vertexPropertyCount_++;

                } else if (elementName == "face") {
                    omerr() << "Properties not supported for faces " << std::endl;
                }

            }

        } else {
            omlog() << "Unsupported keyword : " << keyword << std::endl;
        }

        streamPos = _is.tellg();
        _is >> keyword;
        if (_is.bad()) {
            omerr() << "Error while reading PLY file header" << std::endl;
            return false;
        }
    }

    // As the binary data is directy after the end_header keyword
    // and the stream removes too many bytes, seek back to the right position
    if (options_.is_binary()) {
        _is.seekg(streamPos + 12);
    }

    return true;
Jan Möbius's avatar
Jan Möbius committed
1070
1071
1072
1073
1074
1075
}

//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================