PLYReader.cc 35.1 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1
2
3
/*===========================================================================*\
 *                                                                           *
 *                               OpenMesh                                    *
4
 *      Copyright (C) 2001-2014 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
    // 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
182
    OpenMesh::Vec3f v, n;
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
    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
203
204
205
206
        n[0] = 0.0;
        n[1] = 0.0;
        n[2] = 0.0;

207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
        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
226
227
228
229
230
231
232
233
234
            case XNORM:
                _in >> n[0];
                break;
            case YNORM:
                _in >> n[1];
                break;
            case ZNORM:
                _in >> n[2];
                break;
235
236
237
238
239
240
241
            case TEXX:
                _in >> t[0];
                break;
            case TEXY:
                _in >> t[1];
                break;
            case COLORRED:
242
243
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
244
245
246
247
248
249
                    _in >> tmp;
                    c[0] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
                    _in >> c[0];
                break;
            case COLORGREEN:
250
251
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
252
253
254
255
256
257
                    _in >> tmp;
                    c[1] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
                    _in >> c[1];
                break;
            case COLORBLUE:
258
259
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
260
261
262
263
264
265
                    _in >> tmp;
                    c[2] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
                    _in >> c[2];
                break;
            case COLORALPHA:
266
267
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
268
269
270
271
272
273
274
275
276
277
278
279
                    _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);
280
281
282
283
284
285
        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));
286
287
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
    }

    // 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
317
318
319
320
}

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

321
bool _PLYReader_::read_binary(std::istream& _in, BaseImporter& _bi, bool /*_swap*/, const Options& _opt) const {
Mike Kremer's avatar
Mike Kremer committed
322

323
324
325
326
327
328
329
330
    // 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;
331
332
    OpenMesh::Vec3f        v, n;  // Vertex
    OpenMesh::Vec2f        t;  // TexCoords
333
    BaseImporter::VHandles vhandles;
334
335
336
    VertexHandle           vh;
    OpenMesh::Vec4i        c;  // Color
    float                  tmp;
337
338
339
340
341
342
343
344
345

    _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
346
347
348
349
        n[0] = 0.0;
        n[1] = 0.0;
        n[2] = 0.0;

350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
        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
369
370
371
372
373
374
375
376
377
            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;
378
379
380
381
382
383
384
            case TEXX:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, t[0]);
                break;
            case TEXY:
                readValue(vertexPropertyMap_[propertyIndex].second, _in, t[1]);
                break;
            case COLORRED:
385
386
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
387
388
389
390
                    readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);

                    c[0] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
391
392
                    readInteger(vertexPropertyMap_[propertyIndex].second, _in, c[0]);

393
394
                break;
            case COLORGREEN:
395
396
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
397
398
399
                    readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
                    c[1] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
400
401
                    readInteger(vertexPropertyMap_[propertyIndex].second, _in, c[1]);

402
403
                break;
            case COLORBLUE:
404
405
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
406
407
408
                    readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
                    c[2] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
409
410
                    readInteger(vertexPropertyMap_[propertyIndex].second, _in, c[2]);

411
412
                break;
            case COLORALPHA:
413
414
                if (vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT32 ||
                    vertexPropertyMap_[propertyIndex].second == ValueTypeFLOAT) {
415
416
417
                    readValue(vertexPropertyMap_[propertyIndex].second, _in, tmp);
                    c[3] = static_cast<OpenMesh::Vec4i::value_type> (tmp * 255.0f);
                } else
418
419
                    readInteger(vertexPropertyMap_[propertyIndex].second, _in, c[3]);

420
421
                break;
            default:
422
423
                // Read unsupported property
                consume_input(_in, scalar_size_[vertexPropertyMap_[propertyIndex].second]);
424
425
426
427
428
429
                break;
            }

        }

        vh = _bi.add_vertex(v);
430
431
432
433
434
435
        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));
436
437
438
439
440
441
442
443
    }

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

        if (nV == 3) {
            vhandles.resize(3);
444
445
446
            readInteger(faceEntryType_, _in, j);
            readInteger(faceEntryType_, _in, k);
            readInteger(faceEntryType_, _in, l);
447
448
449
450
451
452
453

            vhandles[0] = VertexHandle(j);
            vhandles[1] = VertexHandle(k);
            vhandles[2] = VertexHandle(l);
        } else {
            vhandles.clear();
            for (j = 0; j < nV; ++j) {
454
                readInteger(faceEntryType_, _in, idx);
455
456
457
458
459
460
461
462
                vhandles.push_back(VertexHandle(idx));
            }
        }

        FaceHandle fh = _bi.add_face(vhandles);
    }

    return true;
Jan Möbius's avatar
Jan Möbius committed
463
464
465
}


466
467
468
//-----------------------------------------------------------------------------


469
void _PLYReader_::readValue(ValueType _type, std::istream& _in, float& _value) const {
470

471
472
473
474
475
476
477
478
479
480
481
482
    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;
    }
483
484
}

485
486
487
488
489
490
491

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


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

    switch (_type) {
492

493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
        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;
    }
}


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


516
void _PLYReader_::readValue(ValueType _type, std::istream& _in, unsigned int& _value) const {
517

518
519
    uint32_t tmp_uint32_t;
    uint16_t tmp_uint16_t;
520
521
522
    uint8_t tmp_uchar;

    switch (_type) {
523
524
525
526

        case ValueTypeUINT:

        case ValueTypeUINT32:
527

528
529
530
            restore(_in, tmp_uint32_t, options_.check(Options::MSB));
            _value = tmp_uint32_t;

531
        break;
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556

        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;
557
    }
558
559
}

560
561
562
563

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


564
void _PLYReader_::readValue(ValueType _type, std::istream& _in, int& _value) const {
565

566
    int32_t tmp_int32_t;
567
568
569
570
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
    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;
617
618
619
    uint8_t tmp_uchar;

    switch (_type) {
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635

        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;
636

637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
            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;
663
    }
664
665
}

666
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

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


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;
    }
}


725
726
//------------------------------------------------------------------------------

727

Mike Kremer's avatar
Mike Kremer committed
728
bool _PLYReader_::can_u_read(const std::string& _filename) const {
729

730
731
732
733
734
735
736
737
738
739
740
    // !!! 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
741
742
}

743
744


Jan Möbius's avatar
Jan Möbius committed
745
746
//-----------------------------------------------------------------------------

Mike Kremer's avatar
Mike Kremer committed
747
std::string get_property_name(std::string _string1, std::string _string2) {
748

749
750
751
752
    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")
753
        return _string2;
Mike Kremer's avatar
Mike Kremer committed
754

755
756
757
758
    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")
759
        return _string1;
Mike Kremer's avatar
Mike Kremer committed
760

761

762
763
    std::cerr << "Unsupported entry type" << std::endl;
    return "Unsupported";
Jan Möbius's avatar
Jan Möbius committed
764
765
766
767
}

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

Mike Kremer's avatar
Mike Kremer committed
768
_PLYReader_::ValueType get_property_type(std::string _string1, std::string _string2) {
769

770
    if (_string1 == "float32" || _string2 == "float32")
771

772
        return _PLYReader_::ValueTypeFLOAT32;
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791

    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")

792
        return _PLYReader_::ValueTypeUINT8;
793
794
795
796
797

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

        return _PLYReader_::ValueTypeCHAR;

798
    else if (_string1 == "uchar" || _string2 == "uchar")
799

800
        return _PLYReader_::ValueTypeUCHAR;
801
802
803
804
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

    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;
833
834

    return _PLYReader_::Unsupported;
Jan Möbius's avatar
Jan Möbius committed
835
836
}

837

Jan Möbius's avatar
Jan Möbius committed
838
839
//-----------------------------------------------------------------------------

Mike Kremer's avatar
Mike Kremer committed
840
bool _PLYReader_::can_u_read(std::istream& _is) const {
841

842
843
844
845
846
847
848
849
850
851
    // 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);
852
    trim(line);
853
854
855
856
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

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

    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;
884
885
886
        //if (Endian::local() == Endian::MSB)

        //  options_ += Options::Swap;
887
888
889
    } else if (fileType == "binary_big_endian") {
        options_ += Options::Binary;
        options_ += Options::MSB;
890
891
892
        //if (Endian::local() == Endian::LSB)

        //  options_ += Options::Swap;
893
894
895
896
897
    } else {
        omerr() << "Unsupported PLY format: " << fileType << std::endl;
        return false;
    }

Matthias Möller's avatar
Matthias Möller committed
898
    std::streamoff streamPos = _is.tellg();
899
900
901
902
903
904
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
    _is >> keyword;
    while (keyword != "end_header") {

        if (keyword == "comment") {
            std::getline(_is, line);
        } 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;
934
                        return false;
935
936
937
938
939
940
                    }

                    if (listEntryType == "int32") {
                        faceEntryType_ = ValueTypeINT32;
                    } else if (listEntryType == "int") {
                        faceEntryType_ = ValueTypeINT;
941
942
943
944
                    } else if (listEntryType == "uint32") {
                        faceEntryType_ = ValueTypeUINT32;
                    } else if (listEntryType == "uint") {
                        faceEntryType_ = ValueTypeUINT;
945
946
                    } else {
                        omerr() << "Unsupported Entry type for face list: " << listEntryType << std::endl;
947
                        return false;
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
                    }

                }
            } 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
973
974
975
976
977
978
979
980
981
982
983
984
                    } 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;
985
986
987
988
989
990
991
992
993
994
995
996
                    } 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;
997
998
                        if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                          options_ += Options::ColorFloat;
999
1000
1001
1002
                    } else if (propertyName == "green") {
                        std::pair<VertexProperty, ValueType> entry(COLORGREEN, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexColor;
1003
1004
                        if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                          options_ += Options::ColorFloat;
1005
1006
1007
1008
                    } else if (propertyName == "blue") {
                        std::pair<VertexProperty, ValueType> entry(COLORBLUE, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexColor;
1009
1010
                        if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                          options_ += Options::ColorFloat;
1011
1012
1013
1014
                    } else if (propertyName == "diffuse_red") {
                      std::pair<VertexProperty, ValueType> entry(COLORRED, valueType);
                      vertexPropertyMap_[vertexPropertyCount_] = entry;
                      options_ += Options::VertexColor;
1015
1016
                      if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                        options_ += Options::ColorFloat;
1017
1018
1019
1020
                    } else if (propertyName == "diffuse_green") {
                      std::pair<VertexProperty, ValueType> entry(COLORGREEN, valueType);
                      vertexPropertyMap_[vertexPropertyCount_] = entry;
                      options_ += Options::VertexColor;
1021
1022
                      if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                        options_ += Options::ColorFloat;
1023
1024
1025
                    } else if (propertyName == "diffuse_blue") {
                      std::pair<VertexProperty, ValueType> entry(COLORBLUE, valueType);
                      vertexPropertyMap_[vertexPropertyCount_] = entry;
1026
                      options_ += Options::VertexColor;
1027
1028
                      if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                        options_ += Options::ColorFloat;
1029
1030
1031
1032
1033
                    } else if (propertyName == "alpha") {
                        std::pair<VertexProperty, ValueType> entry(COLORALPHA, valueType);
                        vertexPropertyMap_[vertexPropertyCount_] = entry;
                        options_ += Options::VertexColor;
                        options_ += Options::ColorAlpha;
1034
1035
                        if (valueType == ValueTypeFLOAT || valueType == ValueTypeFLOAT32)
                          options_ += Options::ColorFloat;
1036
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
                    } 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
1069
1070
1071
1072
1073
1074
}

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