PLYReader.cc 35.1 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1 2 3
/*===========================================================================*\
 *                                                                           *
 *                               OpenMesh                                    *
Jan Möbius's avatar
Jan Möbius committed
4
 *      Copyright (C) 2001-2013 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;
    }

Matthias Möller's avatar
Matthias Möller committed
904
    std::streamoff 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
//=============================================================================