Ejemplo n.º 1
0
int main(int argc, char *argv[])
{
  int i;
#ifdef COMPILE_WITH_GUI
  bool gui = false;
#endif
#ifdef COMPILE_WITH_MULTI_CORE
  I32 cores = 1;
#endif
  bool verbose = false;
  U32 tile_size = 100;
  U32 threshold = 1000;
  U32 minimum_points = 100000;
  I32 maximum_intervals = -20;
  double start_time = 0;

  LASreadOpener lasreadopener;

  if (argc == 1)
  {
#ifdef COMPILE_WITH_GUI
    return lasindex_gui(argc, argv, 0);
#else
    fprintf(stderr,"lasindex.exe is better run in the command line or via the lastool.exe GUI\n");
    char file_name[256];
    fprintf(stderr,"enter input file: "); fgets(file_name, 256, stdin);
    file_name[strlen(file_name)-1] = '\0';
    lasreadopener.set_file_name(file_name);
#endif
  }
  else
  {
    for (i = 1; i < argc; i++)
    {
      if (argv[i][0] == '–') argv[i][0] = '-';
    }
    if (!lasreadopener.parse(argc, argv)) byebye(true);
  }

  for (i = 1; i < argc; i++)
  {
    if (argv[i][0] == '\0')
    {
      continue;
    }
    else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
    {
      fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
      usage();
    }
    else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
    {
      verbose = true;
    }
    else if (strcmp(argv[i],"-version") == 0)
    {
      fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
      byebye();
    }
    else if (strcmp(argv[i],"-gui") == 0)
    {
#ifdef COMPILE_WITH_GUI
      gui = true;
#else
      fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
    }
    else if (strcmp(argv[i],"-cores") == 0)
    {
#ifdef COMPILE_WITH_MULTI_CORE
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
        usage(true);
      }
      argv[i][0] = '\0';
      i++;
      cores = atoi(argv[i]);
      argv[i][0] = '\0';
#else
      fprintf(stderr, "WARNING: not compiled with multi-core batching. ignoring '-cores' ...\n");
#endif
    }
    else if (strcmp(argv[i],"-tile") == 0 || strcmp(argv[i],"-size") == 0 || strcmp(argv[i],"-tile_size") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: size\n", argv[i]);
        byebye(true);
      }
      i++;
      tile_size = atoi(argv[i]);
    }
    else if (strcmp(argv[i],"-maximum") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
        byebye(true);
      }
      i++;
      maximum_intervals = atoi(argv[i]);
    }
    else if (strcmp(argv[i],"-minimum") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
        byebye(true);
      }
      i++;
      minimum_points = atoi(argv[i]);
    }
    else if (strcmp(argv[i],"-threshold") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: value\n", argv[i]);
        byebye(true);
      }
      i++;
      threshold = atoi(argv[i]);
    }
    else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
    {
      lasreadopener.add_file_name(argv[i]);
      argv[i][0] = '\0';
    }
    else
    {
      fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
      byebye(true);
    }
  }

#ifdef COMPILE_WITH_GUI
  if (gui)
  {
    return lasindex_gui(argc, argv, &lasreadopener);
  }
#endif

#ifdef COMPILE_WITH_MULTI_CORE
  if ((cores > 1) && (lasreadopener.get_file_name_number() > 1) && (!lasreadopener.get_merged()))
  {
    return lasindex_multi_core(argc, argv, &lasreadopener, cores);
  }
#endif

  // check input

  if (!lasreadopener.active())
  {
    fprintf(stderr,"ERROR: no input specified\n");
    byebye(true, argc==1);
  }

/*
  // lasquadtree test

  LASquadtree quadtree;
  quadtree.setup(0, 99, 0, 99, 10);
  quadtree.intersect_rectangle(10, 10, 20, 20);
  quadtree.get_intersected_cells();
  while (quadtree.has_intersected_cells())
  {
    F32 min[2],max[2];
    quadtree.get_cell_bounding_box(quadtree.intersected_cell, min, max);
    fprintf(stderr," checking tile %d with %g/%g %g/%g\n", quadtree.intersected_cell, min[0], min[1], max[0], max[1]);
  }
  quadtree.intersect_tile(10, 10, 10);
  quadtree.get_intersected_cells();
  while (quadtree.has_intersected_cells())
  {
    F32 min[2],max[2];
    quadtree.get_cell_bounding_box(quadtree.intersected_cell, min, max);
    fprintf(stderr," checking tile %d with %g/%g %g/%g\n", quadtree.intersected_cell, min[0], min[1], max[0], max[1]);
  }
  fprintf(stderr,"intersect circle\n");
  quadtree.intersect_circle(10, 10, 10);
  quadtree.get_intersected_cells();
  while (quadtree.has_intersected_cells())
  {
    F32 min[2],max[2];
    quadtree.get_cell_bounding_box(quadtree.intersected_cell, min, max);
    fprintf(stderr," checking tile %d with %g/%g %g/%g\n", quadtree.intersected_cell, min[0], min[1], max[0], max[1]);
  }
*/

  // possibly loop over multiple input files

  
  while (lasreadopener.active())
  {
    if (verbose) start_time = taketime();

    // open lasreader

    LASreader* lasreader = lasreadopener.open();
    if (lasreader == 0)
    {
      fprintf(stderr, "ERROR: could not open lasreader\n");
      byebye(true, argc==1);
    }

    // setup the quadtree
    LASquadtree* lasquadtree = new LASquadtree;
    lasquadtree->setup(lasreader->header.min_x, lasreader->header.max_x, lasreader->header.min_y, lasreader->header.max_y, tile_size);

    // create index and add points
    LASindex lasindex;
    lasindex.prepare(lasquadtree, threshold);
    while (lasreader->read_point()) lasindex.add(&lasreader->point, (U32)(lasreader->p_count-1));
  
    // adaptive coarsening
    lasindex.complete(minimum_points, maximum_intervals);
    // write to file
    lasindex.write(lasreadopener.get_file_name());

    lasreader->close();
    delete lasreader;
  }
  
  byebye(false, argc==1);

  return 0;
}
Ejemplo n.º 2
0
int main(int argc, char *argv[])
{
  int i;
#ifdef COMPILE_WITH_GUI
  bool gui = false;
#endif
#ifdef COMPILE_WITH_MULTI_CORE
  I32 cores = 1;
#endif
  bool verbose = false;
  bool force = false;
  // fixed header changes 
  int set_version_major = -1;
  int set_version_minor = -1;
  int set_point_data_format = -1;
  int set_point_data_record_length = -1;
  int set_gps_time_endcoding = -1;
  // variable header changes
  bool remove_extra_header = false;
  bool remove_all_variable_length_records = false;
  int remove_variable_length_record = -1;
  bool remove_tiling_vlr = false;
  bool remove_original_vlr = false;
  // extract a subsequence
  unsigned int subsequence_start = 0;
  unsigned int subsequence_stop = U32_MAX;
  // fix files with corrupt points
  bool clip_to_bounding_box = false;
  double start_time = 0;

  LASreadOpener lasreadopener;
  GeoProjectionConverter geoprojectionconverter;
  LASwriteOpener laswriteopener;

  if (argc == 1)
  {
#ifdef COMPILE_WITH_GUI
    return las2las_gui(argc, argv, 0);
#else
    fprintf(stderr,"las2las.exe is better run in the command line or via the lastool.exe GUI\n");
    char file_name[256];
    fprintf(stderr,"enter input file: "); fgets(file_name, 256, stdin);
    file_name[strlen(file_name)-1] = '\0';
    lasreadopener.set_file_name(file_name);
    fprintf(stderr,"enter output file: "); fgets(file_name, 256, stdin);
    file_name[strlen(file_name)-1] = '\0';
    laswriteopener.set_file_name(file_name);
#endif
  }
  else
  {
    for (i = 1; i < argc; i++)
    {
      if (argv[i][0] == '–') argv[i][0] = '-';
      if (strcmp(argv[i],"-week_to_adjusted") == 0)
      {
        set_gps_time_endcoding = 1;
      }
      else if (strcmp(argv[i],"-adjusted_to_week") == 0)
      {
        set_gps_time_endcoding = 0;
      }
    }
    if (!geoprojectionconverter.parse(argc, argv)) byebye(true);
    if (!lasreadopener.parse(argc, argv)) byebye(true);
    if (!laswriteopener.parse(argc, argv)) byebye(true);
  }

  for (i = 1; i < argc; i++)
  {
    if (argv[i][0] == '\0')
    {
      continue;
    }
    else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
    {
      fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
      usage();
    }
    else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
    {
      verbose = true;
    }
    else if (strcmp(argv[i],"-version") == 0)
    {
      fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
      byebye();
    }
    else if (strcmp(argv[i],"-gui") == 0)
    {
#ifdef COMPILE_WITH_GUI
      gui = true;
#else
      fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
    }
    else if (strcmp(argv[i],"-cores") == 0)
    {
#ifdef COMPILE_WITH_MULTI_CORE
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
        usage(true);
      }
      argv[i][0] = '\0';
      i++;
      cores = atoi(argv[i]);
      argv[i][0] = '\0';
#else
      fprintf(stderr, "WARNING: not compiled with multi-core batching. ignoring '-cores' ...\n");
#endif
    }
    else if (strcmp(argv[i],"-force") == 0)
    {
      force = true;
    }
    else if (strcmp(argv[i],"-subseq") == 0)
    {
      if ((i+2) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 2 arguments: start stop\n", argv[i]);
        byebye(true);
      }
      subsequence_start = (unsigned int)atoi(argv[i+1]); subsequence_stop = (unsigned int)atoi(argv[i+2]);
      i+=2;
    }
    else if (strcmp(argv[i],"-start_at_point") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: start\n", argv[i]);
        byebye(true);
      }
      subsequence_start = (unsigned int)atoi(argv[i+1]);
      i+=1;
    }
    else if (strcmp(argv[i],"-stop_at_point") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: stop\n", argv[i]);
        byebye(true);
      }
      subsequence_stop = (unsigned int)atoi(argv[i+1]);
      i+=1;
    }
    else if (strcmp(argv[i],"-set_version") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: major.minor\n", argv[i]);
        byebye(true);
      }
      if (sscanf(argv[i+1],"%d.%d",&set_version_major,&set_version_minor) != 2)
      {
        fprintf(stderr, "ERROR: cannot understand argument '%s' for '%s'\n", argv[i+1], argv[i]);
        usage(true);
      }
      i+=1;
    }
    else if (strcmp(argv[i],"-set_version_major") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: major\n", argv[i]);
        byebye(true);
      }
      set_version_major = atoi(argv[i+1]);
      i+=1;
    }
    else if (strcmp(argv[i],"-set_version_minor") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: minor\n", argv[i]);
        byebye(true);
      }
      set_version_minor = atoi(argv[i+1]);
      i+=1;
    }
    else if (strcmp(argv[i],"-remove_extra") == 0)
    {
      remove_extra_header = true;
    }
    else if (strcmp(argv[i],"-remove_all_vlrs") == 0 || strcmp(argv[i],"-remove_all_vlr") == 0)
    {
      remove_all_variable_length_records = true;
    }
    else if (strcmp(argv[i],"-remove_vlr") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
        byebye(true);
      }
      remove_variable_length_record = atoi(argv[i+1]);
      i++;
    }
    else if (strcmp(argv[i],"-remove_tiling_vlr") == 0)
    {
      remove_tiling_vlr = true;
      i++;
    }
    else if (strcmp(argv[i],"-remove_original_vlr") == 0)
    {
      remove_original_vlr = true;
      i++;
    }
    else if (strcmp(argv[i],"-point_type") == 0) 
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: type\n", argv[i]);
        byebye(true);
      }
      set_point_data_format = atoi(argv[i+1]);
      i++;
    }
    else if (strcmp(argv[i],"-point_size") == 0) 
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: size\n", argv[i]);
        byebye(true);
      }
      set_point_data_record_length = atoi(argv[i+1]);
      i++;
    }
    else if (strcmp(argv[i],"-clip_to_bounding_box") == 0 || strcmp(argv[i],"-clip_to_bbox") == 0) 
    {
      clip_to_bounding_box = true;
    }
    else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
    {
      lasreadopener.add_file_name(argv[i]);
      argv[i][0] = '\0';
    }
    else
    {
      fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
      usage(true);
    }
  }

#ifdef COMPILE_WITH_GUI
  if (gui)
  {
    return las2las_gui(argc, argv, &lasreadopener);
  }
#endif

#ifdef COMPILE_WITH_MULTI_CORE
  if ((cores > 1) && (lasreadopener.get_file_name_number() > 1) && (!lasreadopener.get_merged()))
  {
    return las2las_multi_core(argc, argv, &geoprojectionconverter, &lasreadopener, &laswriteopener, cores);
  }
#endif

  // check input

  if (!lasreadopener.active())
  {
    fprintf(stderr,"ERROR: no input specified\n");
    usage(true, argc==1);
  }
  
  BOOL extra_pass = laswriteopener.is_piped();

  // for piped output we need an extra pass

  if (extra_pass)
  {
    if (lasreadopener.is_piped())
    {
      fprintf(stderr, "ERROR: input and output cannot both be piped\n");
      usage(true);
    }
  }

  // make sure we do not corrupt the input file

  if (lasreadopener.get_file_name() && laswriteopener.get_file_name() && (strcmp(lasreadopener.get_file_name(), laswriteopener.get_file_name()) == 0))
  {
    fprintf(stderr, "ERROR: input and output file name are identical\n");
    usage(true);
  }
    
  // possibly loop over multiple input files

  while (lasreadopener.active())
  {
    if (verbose) start_time = taketime();

    // open lasreader

    LASreader* lasreader = lasreadopener.open();

    if (lasreader == 0)
    {
      fprintf(stderr, "ERROR: could not open lasreader\n");
      usage(true, argc==1);
    }

    // store the inventory for the header

    LASinventory lasinventory;

    // the point we write sometimes needs to be copied

    LASpoint* point = 0;

    // prepare the header for output

    if (set_gps_time_endcoding != -1)
    {
      if (set_gps_time_endcoding == 0)
      {
        if ((lasreader->header.global_encoding & 1) == 0)
        {
          fprintf(stderr, "WARNING: global encoding indicates file already in GPS week time\n");
          if (force)
          {
            fprintf(stderr, "         forced conversion.\n");
          }
          else
          {
            fprintf(stderr, "         use '-force' to force conversion.\n");
            byebye(true);
          }
        }
        else
        {
          lasreader->header.global_encoding &= ~1;
        }
      }
      else if (set_gps_time_endcoding == 1)
      {
        if ((lasreader->header.global_encoding & 1) == 1)
        {
          fprintf(stderr, "WARNING: global encoding indicates file already in Adjusted Standard GPS time\n");
          if (force)
          {
            fprintf(stderr, "         forced conversion.\n");
          }
          else
          {
            fprintf(stderr, "         use '-force' to force conversion.\n");
            byebye(true);
          }
        }
        else
        {
          lasreader->header.global_encoding |= 1;
        }
      }
    }

    if (set_version_major != -1)
    {
      if (set_version_major != 1)
      {
        fprintf(stderr, "ERROR: unknown version_major %d\n", set_version_major);
        byebye(true);
      }
      lasreader->header.version_major = (U8)set_version_major;
    }
    if (set_version_minor >= 0)
    {
      if (set_version_minor > 4)
      {
        fprintf(stderr, "ERROR: unknown version_minor %d\n", set_version_minor);
        byebye(true);
      }
      if (set_version_minor < 3)
      {
        if (lasreader->header.version_minor == 3)
        {
          lasreader->header.header_size -= 8;
          lasreader->header.offset_to_point_data -= 8;
        }
        else if (lasreader->header.version_minor >= 4)
        {
          lasreader->header.header_size -= (8 + 140);
          lasreader->header.offset_to_point_data -= (8 + 140);
        }
      }
      else if (set_version_minor == 3)
      {
        if (lasreader->header.version_minor < 3)
        {
          lasreader->header.header_size += 8;
          lasreader->header.offset_to_point_data += 8;
          lasreader->header.start_of_waveform_data_packet_record = 0;
        }
        else if (lasreader->header.version_minor >= 4)
        {
          lasreader->header.header_size -= 140;
          lasreader->header.offset_to_point_data -= 140;
        }
      }
      else if (set_version_minor == 4) 
      {
        if (lasreader->header.version_minor < 3)
        {
          lasreader->header.header_size += (8 + 140);
          lasreader->header.offset_to_point_data += (8 + 140);
          lasreader->header.start_of_waveform_data_packet_record = 0;
        }
        else if (lasreader->header.version_minor == 3)
        {
          lasreader->header.header_size += 140;
          lasreader->header.offset_to_point_data += 140;
        }
      }
      lasreader->header.version_minor = (U8)set_version_minor;
    }

    // are we supposed to change the point data format

    if (set_point_data_format != -1)
    {
      if (set_point_data_format < 0 || set_point_data_format >= 6)
      {
        fprintf(stderr, "ERROR: unknown point_data_format %d\n", set_point_data_format);
        byebye(true);
      }
      // depending on the conversion we may need to copy the point
      if (convert_point_type_from_to[lasreader->header.point_data_format][set_point_data_format])
      {
        point = new LASpoint;
      }
      lasreader->header.point_data_format = (U8)set_point_data_format;
      lasreader->header.clean_laszip();
      switch (lasreader->header.point_data_format)
      {
      case 0:
        lasreader->header.point_data_record_length = 20;
        break;
      case 1:
        lasreader->header.point_data_record_length = 28;
        break;
      case 2:
        lasreader->header.point_data_record_length = 26;
        break;
      case 3:
        lasreader->header.point_data_record_length = 34;
        break;
      case 4:
        lasreader->header.point_data_record_length = 57;
        break;
      case 5:
        lasreader->header.point_data_record_length = 63;
        break;
      }
    }

    // are we supposed to change the point data record length

    if (set_point_data_record_length != -1)
    {
      I32 num_extra_bytes = 0;
      switch (lasreader->header.point_data_format)
      {
      case 0:
        num_extra_bytes = set_point_data_record_length - 20;
        break;
      case 1:
        num_extra_bytes = set_point_data_record_length - 28;
        break;
      case 2:
        num_extra_bytes = set_point_data_record_length - 26;
        break;
      case 3:
        num_extra_bytes = set_point_data_record_length - 34;
        break;
      case 4:
        num_extra_bytes = set_point_data_record_length - 57;
        break;
      case 5:
        num_extra_bytes = set_point_data_record_length - 63;
        break;
      }
      if (num_extra_bytes < 0)
      {
        fprintf(stderr, "ERROR: point_data_format %d needs record length of at least %d\n", lasreader->header.point_data_format, set_point_data_record_length - num_extra_bytes);
        byebye(true);
      }
      if (lasreader->header.point_data_record_length < set_point_data_record_length)
      {
        if (!point) point = new LASpoint;
      }
      lasreader->header.point_data_record_length = (U16)set_point_data_record_length;
      lasreader->header.clean_laszip();
    }

    // if the point needs to be copied set up the data fields

    if (point)
    {
      point->init(&lasreader->header, lasreader->header.point_data_format, lasreader->header.point_data_record_length);
    }

    // maybe we should remove some stuff

    if (remove_extra_header)
    {
      lasreader->header.clean_user_data_in_header();
      lasreader->header.clean_user_data_after_header();
    }

    if (remove_all_variable_length_records)
    {
      lasreader->header.clean_vlrs();
    }

    if (remove_variable_length_record != -1)
    {
      lasreader->header.remove_vlr(remove_variable_length_record);
    }

    if (remove_tiling_vlr)
    {
      lasreader->header.clean_lastiling();
    }

    if (remove_original_vlr)
    {
      lasreader->header.clean_lasoriginal();
    }

    // maybe we should add / change the projection information
    LASquantizer* reproject_quantizer = 0;
    LASquantizer* saved_quantizer = 0;
    if (geoprojectionconverter.has_projection(true) || geoprojectionconverter.has_projection(false))
    {
      if (!geoprojectionconverter.has_projection(true) && lasreader->header.vlr_geo_keys)
      {
        geoprojectionconverter.set_projection_from_geo_keys(lasreader->header.vlr_geo_keys[0].number_of_keys, (GeoProjectionGeoKeys*)lasreader->header.vlr_geo_key_entries, lasreader->header.vlr_geo_ascii_params, lasreader->header.vlr_geo_double_params);
      }

      if (geoprojectionconverter.has_projection(true) && geoprojectionconverter.has_projection(false))
      {
        reproject_quantizer = new LASquantizer();
        double point[3];
        point[0] = (lasreader->header.min_x+lasreader->header.max_x)/2;
        point[1] = (lasreader->header.min_y+lasreader->header.max_y)/2;
        point[2] = (lasreader->header.min_z+lasreader->header.max_z)/2;
        geoprojectionconverter.to_target(point);
        reproject_quantizer->x_scale_factor = geoprojectionconverter.get_target_precision();
        reproject_quantizer->y_scale_factor = geoprojectionconverter.get_target_precision();
        reproject_quantizer->z_scale_factor = lasreader->header.z_scale_factor;
        reproject_quantizer->x_offset = ((I64)((point[0]/reproject_quantizer->x_scale_factor)/10000000))*10000000*reproject_quantizer->x_scale_factor;
        reproject_quantizer->y_offset = ((I64)((point[1]/reproject_quantizer->y_scale_factor)/10000000))*10000000*reproject_quantizer->y_scale_factor;
        reproject_quantizer->z_offset = ((I64)((point[2]/reproject_quantizer->z_scale_factor)/10000000))*10000000*reproject_quantizer->z_scale_factor;
      }

      int number_of_keys;
      GeoProjectionGeoKeys* geo_keys = 0;
      int num_geo_double_params;
      double* geo_double_params = 0;

      if (geoprojectionconverter.get_geo_keys_from_projection(number_of_keys, &geo_keys, num_geo_double_params, &geo_double_params, !geoprojectionconverter.has_projection(false)))
      {
        lasreader->header.set_geo_keys(number_of_keys, (LASvlr_key_entry*)geo_keys);
        free(geo_keys);
        if (geo_double_params)
        {
          lasreader->header.set_geo_double_params(num_geo_double_params, geo_double_params);
          free(geo_double_params);
        }
        else
        {
          lasreader->header.del_geo_double_params();
        }
        lasreader->header.del_geo_ascii_params();
      }
    }

    // do we need an extra pass

    BOOL extra_pass = laswriteopener.is_piped();

    // for piped output we need an extra pass

    if (extra_pass)
    {
      if (lasreadopener.is_piped())
      {
        fprintf(stderr, "ERROR: input and output cannot both be piped\n");
        usage(true);
      }

#ifdef _WIN32
      if (verbose) fprintf(stderr, "extra pass for piped output: reading %I64d points ...\n", lasreader->npoints);
#else
      if (verbose) fprintf(stderr, "extra pass for piped output: reading %lld points ...\n", lasreader->npoints);
#endif

      // maybe seek to start position

      if (subsequence_start) lasreader->seek(subsequence_start);

      while (lasreader->read_point())
      {
        if (lasreader->p_count > subsequence_stop) break;

        if (clip_to_bounding_box)
        {
          if (!lasreader->point.inside_box(lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z))
          {
            continue;
          }
        }

        if (reproject_quantizer)
        {
          lasreader->point.compute_coordinates();
          geoprojectionconverter.to_target(lasreader->point.coordinates);
          lasreader->point.compute_xyz(reproject_quantizer);
        }
        lasinventory.add(&lasreader->point);
      }
      lasreader->close();

      lasreader->header.number_of_point_records = lasinventory.number_of_point_records;
      for (i = 0; i < 5; i++) lasreader->header.number_of_points_by_return[i] = lasinventory.number_of_points_by_return[i+1];
      if (reproject_quantizer) lasreader->header = *reproject_quantizer;
      lasreader->header.max_x = lasreader->header.get_x(lasinventory.raw_max_x);
      lasreader->header.min_x = lasreader->header.get_x(lasinventory.raw_min_x);
      lasreader->header.max_y = lasreader->header.get_y(lasinventory.raw_max_y);
      lasreader->header.min_y = lasreader->header.get_y(lasinventory.raw_min_y);
      lasreader->header.max_z = lasreader->header.get_z(lasinventory.raw_max_z);
      lasreader->header.min_z = lasreader->header.get_z(lasinventory.raw_min_z);

      if (verbose) { fprintf(stderr,"extra pass took %g sec.\n", taketime()-start_time); start_time = taketime(); }
#ifdef _WIN32
      if (verbose) fprintf(stderr, "piped output: reading %I64d and writing %u points ...\n", lasreader->npoints, lasinventory.number_of_point_records);
#else
      if (verbose) fprintf(stderr, "piped output: reading %lld and writing %u points ...\n", lasreader->npoints, lasinventory.number_of_point_records);
#endif
    }
    else
    {
      if (reproject_quantizer)
      {
        saved_quantizer = new LASquantizer();
        *saved_quantizer = lasreader->header;
        lasreader->header = *reproject_quantizer;
      }
#ifdef _WIN32
      if (verbose) fprintf(stderr, "reading %I64d and writing all surviving points ...\n", lasreader->npoints);
#else
      if (verbose) fprintf(stderr, "reading %lld and writing all surviving points ...\n", lasreader->npoints);
#endif
    }

    // check output

    if (!laswriteopener.active())
    {
      // create name from input name
      laswriteopener.make_file_name(lasreadopener.get_file_name());
    }

    // prepare the header for the surviving points

    strncpy(lasreader->header.system_identifier, "LAStools (c) by Martin Isenburg", 32);
    lasreader->header.system_identifier[31] = '\0';
    char temp[64];
    sprintf(temp, "las2las (version %d)", LAS_TOOLS_VERSION);
    strncpy(lasreader->header.generating_software, temp, 32);
    lasreader->header.generating_software[31] = '\0';

    // open laswriter

    LASwriter* laswriter = laswriteopener.open(&lasreader->header);

    if (laswriter == 0)
    {
      fprintf(stderr, "ERROR: could not open laswriter\n");
      byebye(true, argc==1);
    }

    // for piped output we need to re-open the input file

    if (extra_pass)
    {
      if (!lasreadopener.reopen(lasreader))
      {
        fprintf(stderr, "ERROR: could not re-open lasreader\n");
        byebye(true);
      }
    }
    else
    {
      if (reproject_quantizer)
      {
        lasreader->header = *saved_quantizer;
        delete saved_quantizer;
      }
    }

    // maybe seek to start position

    if (subsequence_start) lasreader->seek(subsequence_start);

    // loop over points

    if (point)
    {
      while (lasreader->read_point())
      {
        if (lasreader->p_count > subsequence_stop) break;

        if (clip_to_bounding_box)
        {
          if (!lasreader->point.inside_box(lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z))
          {
            continue;
          }
        }

        if (reproject_quantizer)
        {
          lasreader->point.compute_coordinates();
          geoprojectionconverter.to_target(lasreader->point.coordinates);
          lasreader->point.compute_xyz(reproject_quantizer);
        }
        *point = lasreader->point;
        laswriter->write_point(point);
        // without extra pass we need inventory of surviving points
        if (!extra_pass) laswriter->update_inventory(point);
      }
      delete point;
      point = 0;
    }
    else
    {
      while (lasreader->read_point())
      {
        if (lasreader->p_count > subsequence_stop) break;

        if (clip_to_bounding_box)
        {
          if (!lasreader->point.inside_box(lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z))
          {
            continue;
          }
        }

        if (reproject_quantizer)
        {
          lasreader->point.compute_coordinates();
          geoprojectionconverter.to_target(lasreader->point.coordinates);
          lasreader->point.compute_xyz(reproject_quantizer);
        }
        laswriter->write_point(&lasreader->point);
        // without extra pass we need inventory of surviving points
        if (!extra_pass) laswriter->update_inventory(&lasreader->point);
      }
    }

    // without the extra pass we need to fix the header now

    if (!extra_pass)
    {
      if (reproject_quantizer) lasreader->header = *reproject_quantizer;
      laswriter->update_header(&lasreader->header, TRUE);
      if (verbose) { fprintf(stderr,"total time: %g sec. written %u surviving points.\n", taketime()-start_time, (U32)laswriter->p_count); }
    }
    else
    {
      if (verbose) { fprintf(stderr,"main pass took %g sec.\n", taketime()-start_time); }
    }

    laswriter->close();
    delete laswriter;

    lasreader->close();
    delete lasreader;

    if (reproject_quantizer) delete reproject_quantizer;

    laswriteopener.set_file_name(0);
  }

  byebye(false, argc==1);

  return 0;
}
Ejemplo n.º 3
0
int main(int argc, char *argv[])
{
  int i;
  bool dry = false;
#ifdef COMPILE_WITH_GUI
  bool gui = false;
#endif
#ifdef COMPILE_WITH_MULTI_CORE
  I32 cores = 1;
#endif
  bool verbose = false;
  bool waveform = false;
  bool waveform_with_map = false;
  bool report_file_size = false;
  I32 end_of_points = -1;
  bool projection_was_set = false;
  bool lax = false;
  U32 tile_size = 100;
  U32 threshold = 1000;
  U32 minimum_points = 100000;
  I32 maximum_intervals = -20;
  double start_time = 0.0;

  LASreadOpener lasreadopener;
  GeoProjectionConverter geoprojectionconverter;
  LASwriteOpener laswriteopener;

  if (argc == 1)
  {
#ifdef COMPILE_WITH_GUI
    return laszip_gui(argc, argv, 0);
#else
    fprintf(stderr,"laszip.exe is better run in the command line or via the lastool.exe GUI\n");
    char file_name[256];
    fprintf(stderr,"enter input file: "); fgets(file_name, 256, stdin);
    file_name[strlen(file_name)-1] = '\0';
    lasreadopener.set_file_name(file_name);
    fprintf(stderr,"enter output file: "); fgets(file_name, 256, stdin);
    file_name[strlen(file_name)-1] = '\0';
    laswriteopener.set_file_name(file_name);
#endif
  }
  else
  {
    for (i = 1; i < argc; i++)
    {
      if (argv[i][0] == '–') argv[i][0] = '-';
    }
    if (!geoprojectionconverter.parse(argc, argv)) byebye(true);
    if (!lasreadopener.parse(argc, argv)) byebye(true);
    if (!laswriteopener.parse(argc, argv)) byebye(true);
  }

  for (i = 1; i < argc; i++)
  {
    if (argv[i][0] == '\0')
    {
      continue;
    }
    else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
    {
      fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
      usage();
    }
    else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
    {
      verbose = true;
    }
    else if (strcmp(argv[i],"-version") == 0)
    {
      fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
      byebye();
    }
    else if (strcmp(argv[i],"-gui") == 0)
    {
#ifdef COMPILE_WITH_GUI
      gui = true;
#else
      fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
    }
    else if (strcmp(argv[i],"-cores") == 0)
    {
#ifdef COMPILE_WITH_MULTI_CORE
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
        usage(true);
      }
      argv[i][0] = '\0';
      i++;
      cores = atoi(argv[i]);
      argv[i][0] = '\0';
#else
      fprintf(stderr, "WARNING: not compiled with multi-core batching. ignoring '-cores' ...\n");
#endif
    }
    else if (strcmp(argv[i],"-dry") == 0)
    {
      dry = true;
    }
    else if (strcmp(argv[i],"-lax") == 0)
    {
      lax = true;
    }
    else if (strcmp(argv[i],"-eop") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: char\n", argv[i]);
        usage(true);
      }
      i++;
      end_of_points = atoi(argv[i]);
      if ((end_of_points < 0) || (end_of_points > 255))
      {
        fprintf(stderr,"ERROR: end of points value needs to be between 0 and 255\n");
        usage(true);
      }
    }
    else if (strcmp(argv[i],"-tile_size") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: size\n", argv[i]);
        usage(true);
      }
      i++;
      tile_size = atoi(argv[i]);
    }
    else if (strcmp(argv[i],"-maximum") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
        usage(true);
      }
      i++;
      maximum_intervals = atoi(argv[i]);
    }
    else if (strcmp(argv[i],"-minimum") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
        usage(true);
      }
      i++;
      minimum_points = atoi(argv[i]);
    }
    else if (strcmp(argv[i],"-threshold") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: value\n", argv[i]);
        usage(true);
      }
      i++;
      threshold = atoi(argv[i]);
    }
    else if (strcmp(argv[i],"-size") == 0)
    {
      report_file_size = true;
    }
    else if (strcmp(argv[i],"-waveform") == 0 || strcmp(argv[i],"-waveforms") == 0)
    {
      waveform = true;
    }
    else if (strcmp(argv[i],"-waveform_with_map") == 0 || strcmp(argv[i],"-waveforms_with_map") == 0)
    {
      waveform = true;
      waveform_with_map = true;
    }
    else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
    {
      lasreadopener.add_file_name(argv[i]);
      argv[i][0] = '\0';
    }
    else
    {
      fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
      usage(true);
    }
  }

#ifdef COMPILE_WITH_GUI
  if (gui)
  {
    return laszip_gui(argc, argv, &lasreadopener);
  }
#endif

#ifdef COMPILE_WITH_MULTI_CORE
  if ((cores > 1) && (lasreadopener.get_file_name_number() > 1) && (!lasreadopener.get_merged()))
  {
    return laszip_multi_core(argc, argv, &geoprojectionconverter, &lasreadopener, &laswriteopener, cores);
  }
#endif

  // check input

  if (!lasreadopener.active())
  {
    fprintf(stderr,"ERROR: no input specified\n");
    usage(true, argc==1);
  }

  // make sure we do not corrupt the input file

  if (lasreadopener.get_file_name() && laswriteopener.get_file_name() && (strcmp(lasreadopener.get_file_name(), laswriteopener.get_file_name()) == 0))
  {
    fprintf(stderr, "ERROR: input and output file name are identical\n");
    usage(true);
  }

  // check if projection info was set in the command line

  int number_of_keys;
  GeoProjectionGeoKeys* geo_keys = 0;
  int num_geo_double_params;
  double* geo_double_params = 0;

  if (geoprojectionconverter.has_projection())
  {
    projection_was_set = geoprojectionconverter.get_geo_keys_from_projection(number_of_keys, &geo_keys, num_geo_double_params, &geo_double_params);
  }

  // loop over multiple input files

  while (lasreadopener.active())
  {
    if (verbose) start_time = taketime();

    // open lasreader

    LASreader* lasreader = lasreadopener.open();

    if (lasreader == 0)
    {
      fprintf(stderr, "ERROR: could not open lasreader\n");
      usage(true, argc==1);
    }

    // switch

    if (report_file_size)
    {
      // maybe only report uncompressed file size
      I64 uncompressed_file_size = (I64)lasreader->header.number_of_point_records * (I64)lasreader->header.point_data_record_length + lasreader->header.offset_to_point_data;
      if (uncompressed_file_size == (I64)((U32)uncompressed_file_size))
        fprintf(stderr,"uncompressed file size is %u bytes or %.2f MB for '%s'\n", (U32)uncompressed_file_size, (F64)uncompressed_file_size/1024.0/1024.0, lasreadopener.get_file_name());
      else
        fprintf(stderr,"uncompressed file size is %.2f MB or %.2f GB for '%s'\n", (F64)uncompressed_file_size/1024.0/1024.0, (F64)uncompressed_file_size/1024.0/1024.0/1024.0, lasreadopener.get_file_name());
    }
    else if (dry)
    {
      // maybe only a dry read pass
      start_time = taketime();
      while (lasreader->read_point());
      fprintf(stderr,"needed %g secs to read '%s'\n", taketime()-start_time, lasreadopener.get_file_name());
    }
    else
    {
      I64 start_of_waveform_data_packet_record = 0;

      // create output file name if no output was specified 
      if (!laswriteopener.active())
      {
        if (lasreadopener.get_file_name() == 0)
        {
          fprintf(stderr,"ERROR: no output specified\n");
          usage(true, argc==1);
        }
        laswriteopener.set_force(TRUE);
        laswriteopener.make_file_name(lasreadopener.get_file_name(), -2);
        if (!laswriteopener.format_was_specified())
        {
          char* file_name_out = strdup(laswriteopener.get_file_name());
          int len = strlen(file_name_out);
          if (lasreader->get_format() == LAS_TOOLS_FORMAT_LAZ)
          {
            file_name_out[len-3] = 'l';
            file_name_out[len-2] = 'a';
            file_name_out[len-1] = 's';
          }
          else 
          {
            file_name_out[len-3] = 'l';
            file_name_out[len-2] = 'a';
            file_name_out[len-1] = 'z';
          }
          laswriteopener.set_file_name(file_name_out);
          free(file_name_out);
        }
      }

      // maybe set projection

      if (projection_was_set)
      {
        lasreader->header.set_geo_keys(number_of_keys, (LASvlr_key_entry*)geo_keys);
        if (geo_double_params)
        {
          lasreader->header.set_geo_double_params(num_geo_double_params, geo_double_params);
        }
        else
        {
          lasreader->header.del_geo_double_params();
        }
        lasreader->header.del_geo_ascii_params();
      }

      // almost never open laswaveform13reader and laswaveform13writer (-:

      LASwaveform13reader* laswaveform13reader = 0;
      LASwaveform13writer* laswaveform13writer = 0;

      if (waveform)
      {
        laswaveform13reader = lasreadopener.open_waveform13(&lasreader->header);
        if (laswaveform13reader)
        {
          // switch compression on/off
          U8 compression_type = (laswriteopener.get_format() == LAS_TOOLS_FORMAT_LAZ ? 1 : 0);
          for (i = 0; i < 255; i++) if (lasreader->header.vlr_wave_packet_descr[i]) lasreader->header.vlr_wave_packet_descr[i]->setCompressionType(compression_type);
          // create laswaveform13writer
          laswaveform13writer = laswriteopener.open_waveform13(&lasreader->header);
          if (laswaveform13writer == 0)
          {
            delete [] laswaveform13reader;
            laswaveform13reader = 0;
            waveform = 0;
            // switch compression on/off back
            U8 compression_type = (laswriteopener.get_format() == LAS_TOOLS_FORMAT_LAZ ? 0 : 1);
            for (i = 0; i < 255; i++) if (lasreader->header.vlr_wave_packet_descr[i]) lasreader->header.vlr_wave_packet_descr[i]->setCompressionType(compression_type);
          }
        }
        else
        {
          waveform = false;
        }
      }

      // special check for LAS 1.3+ files that contain waveform data

      if ((lasreader->header.version_major == 1) && (lasreader->header.version_minor >= 3))
      {
        if (lasreader->header.global_encoding & 2) // if bit # 1 is set we have internal waveform data
        {
          lasreader->header.global_encoding &= ~((U16)2); // remove internal bit
          if (lasreader->header.start_of_waveform_data_packet_record) // offset to 
          {
            start_of_waveform_data_packet_record = lasreader->header.start_of_waveform_data_packet_record;
            lasreader->header.start_of_waveform_data_packet_record = 0;
            lasreader->header.global_encoding |= ((U16)4); // set external bit
          }
        }
      }

      // open laswriter

      LASwriter* laswriter = laswriteopener.open(&lasreader->header);

      if (laswriter == 0)
      {
        fprintf(stderr, "ERROR: could not open laswriter\n");
        usage(true, argc==1);
      }

      // should we also deal with waveform data

      if (waveform)
      {
        U8 compression_type = (laswaveform13reader->is_compressed() ? 1 : 0);
        for (i = 0; i < 255; i++) if (lasreader->header.vlr_wave_packet_descr[i]) lasreader->header.vlr_wave_packet_descr[i]->setCompressionType(compression_type);

        U64 last_offset = 0;
        U32 last_size = 60;
        U64 new_offset = 0;
        U32 new_size = 0;
        U32 waves_written = 0;
        U32 waves_referenced = 0;

        my_offset_size_map offset_size_map;

        LASindex lasindex;
        if (lax) // should we also create a spatial indexing file
        {
          // setup the quadtree
          LASquadtree* lasquadtree = new LASquadtree;
          lasquadtree->setup(lasreader->header.min_x, lasreader->header.max_x, lasreader->header.min_y, lasreader->header.max_y, tile_size);

          // create lax index
          lasindex.prepare(lasquadtree, threshold);
        }

        // loop over points

        while (lasreader->read_point())
        {
          if (lasreader->point.wavepacket.getIndex()) // if point is attached to a waveform
          {
            waves_referenced++;
            if (lasreader->point.wavepacket.getOffset() == last_offset)
            {
              lasreader->point.wavepacket.setOffset(new_offset);
              lasreader->point.wavepacket.setSize(new_size);
            }
            else if (lasreader->point.wavepacket.getOffset() > last_offset)
            {
              if (lasreader->point.wavepacket.getOffset() > (last_offset + last_size))
              {
                if (!waveform_with_map)
                {
                  fprintf(stderr,"WARNING: gap in waveform offsets.\n");
#ifdef _WIN32
                  fprintf(stderr,"WARNING: last offset plus size was %I64d but new offset is %I64d (for point %I64d)\n", (last_offset + last_size), lasreader->point.wavepacket.getOffset(), lasreader->p_count);
#else
                  fprintf(stderr,"WARNING: last offset plus size was %lld but new offset is %lld (for point %lld)\n", (last_offset + last_size), lasreader->point.wavepacket.getOffset(), lasreader->p_count);
#endif
                }
              }
              waves_written++;
              last_offset = lasreader->point.wavepacket.getOffset();
              last_size = lasreader->point.wavepacket.getSize();
              laswaveform13reader->read_waveform(&lasreader->point);
              laswaveform13writer->write_waveform(&lasreader->point, laswaveform13reader->samples);
              new_offset = lasreader->point.wavepacket.getOffset();
              new_size = lasreader->point.wavepacket.getSize();
              if (waveform_with_map)
              {
                offset_size_map.insert(my_offset_size_map::value_type(last_offset, OffsetSize(new_offset,new_size)));
              }
            }
            else
            {
              if (waveform_with_map)
              {
                my_offset_size_map::iterator map_element;
                map_element = offset_size_map.find(lasreader->point.wavepacket.getOffset());
                if (map_element == offset_size_map.end())
                {
                  waves_written++;
                  last_offset = lasreader->point.wavepacket.getOffset();
                  last_size = lasreader->point.wavepacket.getSize();
                  laswaveform13reader->read_waveform(&lasreader->point);
                  laswaveform13writer->write_waveform(&lasreader->point, laswaveform13reader->samples);
                  new_offset = lasreader->point.wavepacket.getOffset();
                  new_size = lasreader->point.wavepacket.getSize();
                  offset_size_map.insert(my_offset_size_map::value_type(last_offset, OffsetSize(new_offset,new_size)));
                }
                else
                {
                  lasreader->point.wavepacket.setOffset((*map_element).second.offset);
                  lasreader->point.wavepacket.setSize((*map_element).second.size);
                }
              }
              else
              {
                fprintf(stderr,"ERROR: waveform offsets not in monotonically increasing order.\n");
#ifdef _WIN32
                fprintf(stderr,"ERROR: last offset was %I64d but new offset is %I64d (for point %I64d)\n", last_offset, lasreader->point.wavepacket.getOffset(), lasreader->p_count);
#else
                fprintf(stderr,"ERROR: last offset was %lld but new offset is %lld (for point %lld)\n", last_offset, lasreader->point.wavepacket.getOffset(), lasreader->p_count);
#endif
                fprintf(stderr,"ERROR: use option '-waveforms_with_map' to compress.\n");
                byebye(true, argc==1);
              }
            }
          }
          laswriter->write_point(&lasreader->point);
          if (lax)
          {
            lasindex.add(&lasreader->point, (U32)(laswriter->p_count));
          }
          if (!lasreadopener.has_populated_header())
          {
            laswriter->update_inventory(&lasreader->point);
          }
        }

        if (verbose && ((laswriter->p_count % 1000000) == 0)) fprintf(stderr,"written %d referenced %d of %d points\n", waves_written, waves_referenced, (I32)laswriter->p_count);

        if (!lasreadopener.has_populated_header())
        {
          laswriter->update_header(&lasreader->header, TRUE);
        }

        if (lax)
        {
          // adaptive coarsening
          lasindex.complete(minimum_points, maximum_intervals);

          // write lax to file
          lasindex.write(laswriteopener.get_file_name());
        }
      }
      else
      {
        // loop over points

        if (lasreadopener.has_populated_header())
        {
          if (lax) // should we also create a spatial indexing file
          {
            // setup the quadtree
            LASquadtree* lasquadtree = new LASquadtree;
            lasquadtree->setup(lasreader->header.min_x, lasreader->header.max_x, lasreader->header.min_y, lasreader->header.max_y, tile_size);

            // create lax index
            LASindex lasindex;
            lasindex.prepare(lasquadtree, threshold);
  
            // compress points and add to index
            while (lasreader->read_point())
            {
              lasindex.add(&lasreader->point, (U32)(laswriter->p_count));
              laswriter->write_point(&lasreader->point);
            }

            // adaptive coarsening
            lasindex.complete(minimum_points, maximum_intervals);

            // write lax to file
            lasindex.write(laswriteopener.get_file_name());
          }
          else
          {
            if (end_of_points > -1)
            {
              U8 point10[20];
              memset(point10, end_of_points, 20);

              if (verbose) fprintf(stderr, "writing with end_of_points value %d\n", end_of_points);

              while (lasreader->read_point())
              {
                if (memcmp(point10, &lasreader->point, 20) == 0)
                {
                  break;
                }
                laswriter->write_point(&lasreader->point);
                laswriter->update_inventory(&lasreader->point);
              }
              laswriter->update_header(&lasreader->header, TRUE);
            }
            else
            {
              while (lasreader->read_point())
              {
                laswriter->write_point(&lasreader->point);
              }
            }
          }
        }
        else
        {
          if (lax && (lasreader->header.min_x < lasreader->header.max_x) && (lasreader->header.min_y < lasreader->header.max_y))
          {
            // setup the quadtree
            LASquadtree* lasquadtree = new LASquadtree;
            lasquadtree->setup(lasreader->header.min_x, lasreader->header.max_x, lasreader->header.min_y, lasreader->header.max_y, tile_size);

            // create lax index
            LASindex lasindex;
            lasindex.prepare(lasquadtree, threshold);
  
            // compress points and add to index
            while (lasreader->read_point())
            {
              lasindex.add(&lasreader->point, (U32)(laswriter->p_count));
              laswriter->write_point(&lasreader->point);
              laswriter->update_inventory(&lasreader->point);
            }

            // adaptive coarsening
            lasindex.complete(minimum_points, maximum_intervals);

            // write lax to file
            lasindex.write(laswriteopener.get_file_name());
          }
          else
          {
            if (end_of_points > -1)
            {
              U8 point10[20];
              memset(point10, end_of_points, 20);

              if (verbose) fprintf(stderr, "writing with end_of_points value %d\n", end_of_points);

              while (lasreader->read_point())
              {
                if (memcmp(point10, &lasreader->point, 20) == 0)
                {
                  break;
                }
                laswriter->write_point(&lasreader->point);
                laswriter->update_inventory(&lasreader->point);
              }
            }
            else
            {
              while (lasreader->read_point())
              {
                laswriter->write_point(&lasreader->point);
                laswriter->update_inventory(&lasreader->point);
              }
            }
          }
          laswriter->update_header(&lasreader->header, TRUE);
        }
      }

      I64 total_bytes = laswriter->close();
      delete laswriter;
  
#ifdef _WIN32
      if (verbose) fprintf(stderr,"%g secs to write %I64d bytes for '%s' with %I64d points of type %d\n", taketime()-start_time, total_bytes, laswriteopener.get_file_name(), lasreader->p_count, lasreader->header.point_data_format);
#else
      if (verbose) fprintf(stderr,"%g secs to write %lld bytes for '%s' with %lld points of type %d\n", taketime()-start_time, total_bytes, laswriteopener.get_file_name(), lasreader->p_count, lasreader->header.point_data_format);
#endif

      if (start_of_waveform_data_packet_record && !waveform)
      {
        lasreader->close(FALSE);
        ByteStreamIn* stream = lasreader->get_stream();
        stream->seek(start_of_waveform_data_packet_record);
        char* wave_form_file_name;
        if (laswriteopener.get_file_name())
        {
          wave_form_file_name = strdup(laswriteopener.get_file_name());
          int len = strlen(wave_form_file_name);
          if (wave_form_file_name[len-3] == 'L')
          {
            wave_form_file_name[len-3] = 'W';
            wave_form_file_name[len-2] = 'D';
            wave_form_file_name[len-1] = 'P';
          }
          else
          {
            wave_form_file_name[len-3] = 'w';
            wave_form_file_name[len-2] = 'd';
            wave_form_file_name[len-1] = 'p';
          }
        }
        else
        {
          wave_form_file_name = strdup("wave_form.wdp");
        }
        FILE* file = fopen(wave_form_file_name, "wb");
        if (file)
        {
          if (verbose) fprintf(stderr,"writing waveforms to '%s'\n", wave_form_file_name);
          try
          {
            int byte;
            while (true)
            {
              byte = stream->getByte();
              fputc(byte, file);
            }
          }
          catch (...)
          {
            fclose(file);
          }
        }
      }

      laswriteopener.set_file_name(0);
    }
  
    lasreader->close();

    delete lasreader;
  }

  if (projection_was_set)
  {
    free(geo_keys);
    if (geo_double_params)
    {
      free(geo_double_params);
    }
  }

  byebye(false, argc==1);

  return 0;
}
Ejemplo n.º 4
0
int main(int argc, char *argv[])
{
  int i;
#ifdef COMPILE_WITH_GUI
  bool gui = false;
#endif
#ifdef COMPILE_WITH_MULTI_CORE
  I32 cores = 1;
#endif
  bool diff = false;
  bool verbose = false;
  CHAR separator_sign = ' ';
  bool opts = false;
  CHAR header_comment_sign = '\0';
  CHAR* parse_string = strdup("xyz");
  CHAR* extra_string = 0;
  CHAR printstring[512];
  double start_time = 0.0;

  LASreadOpener lasreadopener;
  LASwriteOpener laswriteopener;

  laswriteopener.set_format("txt");

  if (argc == 1)
  {
#ifdef COMPILE_WITH_GUI
    return las2txt_gui(argc, argv, 0);
#else
    fprintf(stderr,"las2txt.exe is better run in the command line or via the lastool.exe GUI\n");
    CHAR file_name[256];
    fprintf(stderr,"enter input file: "); fgets(file_name, 256, stdin);
    file_name[strlen(file_name)-1] = '\0';
    lasreadopener.set_file_name(file_name);
    fprintf(stderr,"enter output file: "); fgets(file_name, 256, stdin);
    file_name[strlen(file_name)-1] = '\0';
    laswriteopener.set_file_name(file_name);
#endif
  }
  else
  {
    for (i = 1; i < argc; i++)
    {
      if (argv[i][0] == '–') argv[i][0] = '-';
      if (strcmp(argv[i],"-opts") == 0)
      {
        opts = TRUE;
        *argv[i]='\0';
      }
    }
    if (!lasreadopener.parse(argc, argv)) byebye(true);
    if (!laswriteopener.parse(argc, argv)) byebye(true);
  }

  for (i = 1; i < argc; i++)
  {
    if (argv[i][0] == '\0')
    {
      continue;
    }
    else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
    {
      fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
      usage();
    }
    else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
    {
      verbose = true;
    }
    else if (strcmp(argv[i],"-version") == 0)
    {
      fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
      byebye();
    }
    else if (strcmp(argv[i],"-gui") == 0)
    {
#ifdef COMPILE_WITH_GUI
      gui = true;
#else
      fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
    }
    else if (strcmp(argv[i],"-cores") == 0)
    {
#ifdef COMPILE_WITH_MULTI_CORE
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
        usage(true);
      }
      argv[i][0] = '\0';
      i++;
      cores = atoi(argv[i]);
      argv[i][0] = '\0';
#else
      fprintf(stderr, "WARNING: not compiled with multi-core batching. ignoring '-cores' ...\n");
#endif
    }
    else if (strcmp(argv[i],"-parse") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: string\n", argv[i]);
        usage(true);
      }
      i++;
      free(parse_string);
      parse_string = strdup(argv[i]);
    }
    else if (strcmp(argv[i],"-parse_all") == 0)
    {
      free(parse_string);
      parse_string = strdup("xyzirndecaupt");
    }
    else if (strcmp(argv[i],"-extra") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: string\n", argv[i]);
        usage(true);
      }
      i++;
      extra_string = argv[i];
    }
    else if (strcmp(argv[i],"-sep") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: separator\n", argv[i]);
        usage(true);
      }
      i++;
      if (strcmp(argv[i],"comma") == 0 || strcmp(argv[i],"komma") == 0)
      {
        separator_sign = ',';
      }
      else if (strcmp(argv[i],"tab") == 0)
      {
        separator_sign = '\t';
      }
      else if (strcmp(argv[i],"dot") == 0 || strcmp(argv[i],"period") == 0)
      {
        separator_sign = '.';
      }
      else if (strcmp(argv[i],"colon") == 0)
      {
        separator_sign = ':';
      }
      else if (strcmp(argv[i],"semicolon") == 0)
      {
        separator_sign = ';';
      }
      else if (strcmp(argv[i],"hyphen") == 0 || strcmp(argv[i],"minus") == 0)
      {
        separator_sign = '-';
      }
      else if (strcmp(argv[i],"space") == 0)
      {
        separator_sign = ' ';
      }
      else
      {
        fprintf(stderr, "ERROR: unknown seperator '%s'\n",argv[i]);
        usage(true);
      }
    }
    else if (strcmp(argv[i],"-header") == 0)
    {
      if ((i+1) >= argc)
      {
        fprintf(stderr,"ERROR: '%s' needs 1 argument: comment\n", argv[i]);
        usage(true);
      }
      i++;
      if (strcmp(argv[i],"comma") == 0 || strcmp(argv[i],"komma") == 0)
      {
        header_comment_sign = ',';
      }
      else if (strcmp(argv[i],"colon") == 0)
      {
        header_comment_sign = ':';
      }
      else if (strcmp(argv[i],"scolon") == 0 || strcmp(argv[i],"semicolon") == 0)
      {
        header_comment_sign = ';';
      }
      else if (strcmp(argv[i],"pound") == 0 || strcmp(argv[i],"hash") == 0)
      {
        header_comment_sign = '#';
      }
      else if (strcmp(argv[i],"percent") == 0)
      {
        header_comment_sign = '%';
      }
      else if (strcmp(argv[i],"dollar") == 0)
      {
        header_comment_sign = '$';
      }
      else if (strcmp(argv[i],"star") == 0)
      {
        header_comment_sign = '*';
      }
      else
      {
        fprintf(stderr, "ERROR: unknown header comment symbol '%s'\n",argv[i]);
        usage(true);
      }
    }
    else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
    {
      lasreadopener.add_file_name(argv[i]);
      argv[i][0] = '\0';
    }
    else
    {
      fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
      usage(true);
    }
  }

#ifdef COMPILE_WITH_GUI
  if (gui)
  {
    return las2txt_gui(argc, argv, &lasreadopener);
  }
#endif

#ifdef COMPILE_WITH_MULTI_CORE
  if ((cores > 1) && (lasreadopener.get_file_name_number() > 1) && (!lasreadopener.get_merged()))
  {
    return las2txt_multi_core(argc, argv, &lasreadopener, &laswriteopener, cores);
  }
#endif

  // check input

  if (!lasreadopener.active())
  {
    fprintf(stderr,"ERROR: no input specified\n");
    byebye(true, argc == 1);
  }

  // possibly loop over multiple input files

  while (lasreadopener.active())
  {
    if (verbose) start_time = taketime();

    // open lasreader

    LASreader* lasreader = lasreadopener.open();
    if (lasreader == 0)
    {
      fprintf(stderr, "ERROR: could not open lasreader\n");
      byebye(true, argc==1);
    }

    // (maybe) open laswaveform13reader

    LASwaveform13reader* laswaveform13reader = lasreadopener.open_waveform13(&lasreader->header);

    // check requested fields and print warnings of necessary
    i = 0;
    while (parse_string[i])
    {
      switch (parse_string[i])
      {
      case 'x': // the x coordinate
      case 'y': // the y coordinate
      case 'z': // the z coordinate
      case 'X': // the unscaled raw integer X coordinate
      case 'Y': // the unscaled raw integer Y coordinate
      case 'Z': // the unscaled raw integer Z coordinate
      case 'i': // the intensity
      case 'a': // the scan angle
      case 'r': // the number of the return
      case 'c': // the classification
      case 'u': // the user data
      case 'n': // the number of returns of given pulse
      case 'p': // the point source ID
      case 'e': // the edge of flight line flag
      case 'd': // the direction of scan flag
      case 'm': // the index of the point (count starts at 0)
      case 'M': // the index of the point (count starts at 0)
        break;
      case 't': // the gps-time
        if (lasreader->point.have_gps_time == false)
          fprintf (stderr, "WARNING: requested 't' but points do not have gps time\n");
        break;
      case 'R': // the red channel of the RGB field
        if (lasreader->point.have_rgb == false)
          fprintf (stderr, "WARNING: requested 'R' but points do not have rgb\n");
        break;
      case 'G': // the green channel of the RGB field
        if (lasreader->point.have_rgb == false)
          fprintf (stderr, "WARNING: requested 'G' but points do not have rgb\n");
        break;
      case 'B': // the blue channel of the RGB field
        if (lasreader->point.have_rgb == false)
          fprintf (stderr, "WARNING: requested 'B' but points do not have rgb\n");
        break;
      case 'w': // the wavepacket index
        if (lasreader->point.have_wavepacket == false)
          fprintf (stderr, "WARNING: requested 'w' but points do not have wavepacket\n");
        break;
      case 'W': // all wavepacket attributes
        if (lasreader->point.have_wavepacket == false)
          fprintf (stderr, "WARNING: requested 'W' but points do not have wavepacket\n");
        break;
      case 'V': // the waveform data
        if (laswaveform13reader == 0)
        {
          fprintf (stderr, "WARNING: requested 'V' but no waveform data available\n");
          fprintf (stderr, "         omitting ...\n");
        }
        break;
      case ')':
      case '!':
      case '@':
      case '#':
      case '$':
      case '%':
      case '^':
      case '&':
      case '*':
      case '(':
        diff = true;
        break;
      case 'E':
        if (extra_string == 0)
        {
          fprintf (stderr, "WARNING: requested 'E' but no '-extra' specified\n");
          parse_string[i] = 's';
        }
        break;
      case '0':
      case '1':
      case '2':
      case '3':
      case '4':
      case '5':
      case '6':
      case '7':
      case '8':
      case '9':
        if ((parse_string[i] - '0') >= lasreader->header.number_extra_attributes)
        {
          fprintf(stderr, "WARNING: extra attribute '%d' does not exist.\n", (parse_string[i] - '0'));
          parse_string[i] = 's';
        }
        else
        {
          extra_attribute_array_offsets[(parse_string[i] - '0')] = lasreader->header.get_extra_attribute_array_offset((parse_string[i] - '0'));
        }
        break;
      default:
        fprintf (stderr, "WARNING: requested unknown parse item '%c'\n", parse_string[i]);
      }
      i++;
    }

    // open output file
  
    FILE* file_out;

    if (laswriteopener.is_piped())
    {
      file_out = stdout;
    }
    else
    {
      // create output file name if needed 

      if (laswriteopener.get_file_name() == 0)
      {
        if (lasreadopener.get_file_name() == 0)
        {
          fprintf(stderr, "ERROR: no output file specified\n");
          byebye(true, argc==1);
        }
        laswriteopener.make_file_name(lasreadopener.get_file_name(), -2);
      }

      const CHAR* file_name_out = laswriteopener.get_file_name();

      // open output file

      file_out = fopen(file_name_out, "w");

      // fail if output file does not open

      if (file_out == 0)
      {
        fprintf(stderr, "ERROR: could not open '%s' for write\n", file_name_out);
        byebye(true, argc==1);
      }

      laswriteopener.set_file_name(0);
    }

    // maybe PTS format

    if (opts)
    {
      if (strcmp(parse_string, "xyz") && strcmp(parse_string, "xyzi") && strcmp(parse_string, "xyziRGB"))
      {
        fprintf(stderr, "WARNING: the parse string for PTS should be 'xyz', 'xyzi', or 'xyziRGB'\n");
      }
      if (separator_sign != ' ')
      {
        fprintf(stderr, "WARNING: the separator for PTS should be ' ' not '%c'\n", separator_sign);
      }
      if (lasreader->header.version_minor >= 4)
      {
#ifdef _WIN32
        fprintf(file_out, "%I64d\012", lasreader->header.extended_number_of_point_records);
#else
        fprintf(file_out, "%lld\012", lasreader->header.extended_number_of_point_records);
#endif
      }
      else
      {
        fprintf(file_out, "%u\012", lasreader->header.number_of_point_records);
      }
    }

    // output header info

    if (header_comment_sign)
    {
      LASheader* header = &(lasreader->header);
      fprintf(file_out, "%c file signature:            '%.4s'\012", header_comment_sign, header->file_signature);
      fprintf(file_out, "%c file source ID:            %d\012", header_comment_sign, header->file_source_id);
      fprintf(file_out, "%c reserved (global encoding):%d\012", header_comment_sign, header->global_encoding);
      fprintf(file_out, "%c project ID GUID data 1-4:  %d %d %d '%.8s'\012", header_comment_sign, header->project_ID_GUID_data_1, header->project_ID_GUID_data_2, header->project_ID_GUID_data_3, header->project_ID_GUID_data_4);
      fprintf(file_out, "%c version major.minor:       %d.%d\012", header_comment_sign, header->version_major, header->version_minor);
      fprintf(file_out, "%c system_identifier:         '%.32s'\012", header_comment_sign, header->system_identifier);
      fprintf(file_out, "%c generating_software:       '%.32s'\012", header_comment_sign, header->generating_software);
      fprintf(file_out, "%c file creation day/year:    %d/%d\012", header_comment_sign, header->file_creation_day, header->file_creation_year);
      fprintf(file_out, "%c header size                %d\012", header_comment_sign, header->header_size);
      fprintf(file_out, "%c offset to point data       %u\012", header_comment_sign, header->offset_to_point_data);
      fprintf(file_out, "%c number var. length records %u\012", header_comment_sign, header->number_of_variable_length_records);
      fprintf(file_out, "%c point data format          %d\012", header_comment_sign, header->point_data_format);
      fprintf(file_out, "%c point data record length   %d\012", header_comment_sign, header->point_data_record_length);
      fprintf(file_out, "%c number of point records    %u\012", header_comment_sign, header->number_of_point_records);
      fprintf(file_out, "%c number of points by return %u %u %u %u %u\012", header_comment_sign, header->number_of_points_by_return[0], header->number_of_points_by_return[1], header->number_of_points_by_return[2], header->number_of_points_by_return[3], header->number_of_points_by_return[4]);
      fprintf(file_out, "%c scale factor x y z         %g %g %g\012", header_comment_sign, header->x_scale_factor, header->y_scale_factor, header->z_scale_factor);
      fprintf(file_out, "%c offset x y z               ", header_comment_sign); lidardouble2string(printstring, header->x_offset); fprintf(file_out, "%s ", printstring);  lidardouble2string(printstring, header->y_offset); fprintf(file_out, "%s ", printstring);  lidardouble2string(printstring, header->z_offset); fprintf(file_out, "%s\012", printstring);
      fprintf(file_out, "%c min x y z                  ", header_comment_sign); lidardouble2string(printstring, header->min_x, header->x_scale_factor); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->min_y, header->y_scale_factor); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->min_z, header->z_scale_factor); fprintf(file_out, "%s\012", printstring);
      fprintf(file_out, "%c max x y z                  ", header_comment_sign); lidardouble2string(printstring, header->max_x, header->x_scale_factor); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->max_y, header->y_scale_factor); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->max_z, header->z_scale_factor); fprintf(file_out, "%s\012", printstring);
    }

    // in case diff is requested

    int last_XYZ[3] = {0,0,0};
    unsigned short last_RGB[3] = {0,0,0};
    double last_GPSTIME = 0;

    // read and convert the points to ASCII

#ifdef _WIN32
    if (verbose) fprintf(stderr,"processing %I64d points with '%s'.\n", lasreader->npoints, parse_string);
#else
    if (verbose) fprintf(stderr,"processing %lld points with '%s'.\n", lasreader->npoints, parse_string);
#endif

    while (lasreader->read_point())
    {
      i = 0;
      while (true)
      {
        switch (parse_string[i])
        {
        case 'x': // the x coordinate
          lidardouble2string(printstring, lasreader->point.get_x(), lasreader->header.x_scale_factor); fprintf(file_out, "%s", printstring);
          break;
        case 'y': // the y coordinate
          lidardouble2string(printstring, lasreader->point.get_y(), lasreader->header.y_scale_factor); fprintf(file_out, "%s", printstring);
          break;
        case 'z': // the z coordinate
          lidardouble2string(printstring, lasreader->point.get_z(), lasreader->header.z_scale_factor); fprintf(file_out, "%s", printstring);
          break;
        case 'X': // the unscaled raw integer X coordinate
          fprintf(file_out, "%d", lasreader->point.x);
          break;
        case 'Y': // the unscaled raw integer Y coordinate
          fprintf(file_out, "%d", lasreader->point.y);
          break;
        case 'Z': // the unscaled raw integer Z coordinate
          fprintf(file_out, "%d", lasreader->point.z);
          break;
        case 't': // the gps-time
          fprintf(file_out, "%.6f", lasreader->point.gps_time);
          break;
        case 'i': // the intensity
          fprintf(file_out, "%d", lasreader->point.intensity);
          break;
        case 'a': // the scan angle
          fprintf(file_out, "%d", lasreader->point.scan_angle_rank);
          break;
        case 'r': // the number of the return
          fprintf(file_out, "%d", lasreader->point.return_number);
          break;
        case 'c': // the classification
          fprintf(file_out, "%d", lasreader->point.classification);
          break;
        case 'u': // the user data
          fprintf(file_out, "%d", lasreader->point.user_data);
          break;
        case 'n': // the number of returns of given pulse
          fprintf(file_out, "%d", lasreader->point.number_of_returns_of_given_pulse);
          break;
        case 'p': // the point source ID
          fprintf(file_out, "%d", lasreader->point.point_source_ID);
          break;
        case 'e': // the edge of flight line flag
          fprintf(file_out, "%d", lasreader->point.edge_of_flight_line);
          break;
        case 'd': // the direction of scan flag
          fprintf(file_out, "%d", lasreader->point.scan_direction_flag);
          break;
        case 'R': // the red channel of the RGB field
          fprintf(file_out, "%d", lasreader->point.rgb[0]);
          break;
        case 'G': // the green channel of the RGB field
          fprintf(file_out, "%d", lasreader->point.rgb[1]);
          break;
        case 'B': // the blue channel of the RGB field
          fprintf(file_out, "%d", lasreader->point.rgb[2]);
          break;
        case 'm': // the index of the point (count starts at 0)
#ifdef _WIN32
          fprintf(file_out, "%I64d", lasreader->p_count-1);
#else
          fprintf(file_out, "%lld", lasreader->p_count-1);
#endif
          break;
        case 'M': // the index of the point  (count starts at 1)
#ifdef _WIN32
          fprintf(file_out, "%I64d", lasreader->p_count);
#else
          fprintf(file_out, "%lld", lasreader->p_count);
#endif
          break;
        case ')': // the raw integer X difference to the last point
          fprintf(file_out, "%d", lasreader->point.x-last_XYZ[0]);
          break;
        case '!': // the raw integer Y difference to the last point
          fprintf(file_out, "%d", lasreader->point.y-last_XYZ[1]);
          break;
        case '@': // the raw integer Z difference to the last point
          fprintf(file_out, "%d", lasreader->point.z-last_XYZ[2]);
          break;
        case '#': // the gps-time difference to the last point
          lidardouble2string(printstring,lasreader->point.gps_time-last_GPSTIME); fprintf(file_out, "%s", printstring);
          break;
        case '$': // the R difference to the last point
          fprintf(file_out, "%d", lasreader->point.rgb[0]-last_RGB[0]);
          break;
        case '%': // the G difference to the last point
          fprintf(file_out, "%d", lasreader->point.rgb[1]-last_RGB[1]);
          break;
        case '^': // the B difference to the last point
          fprintf(file_out, "%d", lasreader->point.rgb[2]-last_RGB[2]);
          break;
        case '&': // the byte-wise R difference to the last point
          fprintf(file_out, "%d%c%d", (lasreader->point.rgb[0]>>8)-(last_RGB[0]>>8), separator_sign, (lasreader->point.rgb[0]&255)-(last_RGB[0]&255));
          break;
        case '*': // the byte-wise G difference to the last point
          fprintf(file_out, "%d%c%d", (lasreader->point.rgb[1]>>8)-(last_RGB[1]>>8), separator_sign, (lasreader->point.rgb[1]&255)-(last_RGB[1]&255));
          break;
        case '(': // the byte-wise B difference to the last point
          fprintf(file_out, "%d%c%d", (lasreader->point.rgb[2]>>8)-(last_RGB[2]>>8), separator_sign, (lasreader->point.rgb[2]&255)-(last_RGB[2]&255));
          break;
        case 'w': // the wavepacket index
          fprintf(file_out, "%d", lasreader->point.wavepacket.getIndex());
          break;
        case 'W': // all wavepacket attributes
          fprintf(file_out, "%d%c%d%c%d%c%g%c%g%c%g%c%g", lasreader->point.wavepacket.getIndex(), separator_sign, (U32)lasreader->point.wavepacket.getOffset(), separator_sign, lasreader->point.wavepacket.getSize(), separator_sign, lasreader->point.wavepacket.getLocation(), separator_sign, lasreader->point.wavepacket.getXt(), separator_sign, lasreader->point.wavepacket.getYt(), separator_sign, lasreader->point.wavepacket.getZt());
          break;
        case 'V': // the waVeform
          if (laswaveform13reader && laswaveform13reader->read_waveform(&lasreader->point))
          {
            output_waveform(file_out, separator_sign, laswaveform13reader);
          }
          else
          {
            fprintf(file_out, "no_waveform");
          }
          break;
        case 'E': // the extra string
          fprintf(file_out, "%s", extra_string);
          break;
        default:
          print_extra_attribute(file_out, &lasreader->header, &lasreader->point, (I32)(parse_string[i]-'0'), printstring);
        }
        i++;
        if (parse_string[i])
        {
          fprintf(file_out, "%c", separator_sign);
        }
        else
        {
          fprintf(file_out, "\012");
          break;
        }
      }
      if (diff)
      {
        last_XYZ[0] = lasreader->point.x;
        last_XYZ[1] = lasreader->point.y;
        last_XYZ[2] = lasreader->point.z;
        last_GPSTIME = lasreader->point.gps_time;
        last_RGB[0] = lasreader->point.rgb[0];
        last_RGB[1] = lasreader->point.rgb[1];
        last_RGB[2] = lasreader->point.rgb[2];
      }
    }

#ifdef _WIN32
    if (verbose) fprintf(stderr,"converting %I64d points of '%s' took %g sec.\n", lasreader->p_count, lasreadopener.get_file_name(), taketime()-start_time);
#else
    if (verbose) fprintf(stderr,"converting %lld points of '%s' took %g sec.\n", lasreader->p_count, lasreadopener.get_file_name(), taketime()-start_time);
#endif

    // close the reader
    lasreader->close();
    delete lasreader;

    // (maybe) close the waveform reader
    if (laswaveform13reader)
    {
      laswaveform13reader->close();
      delete laswaveform13reader;
    }

    // close the files

    if (file_out != stdout) fclose(file_out);
  }

  free(parse_string);

  byebye(false, argc==1);

  return 0;
}