Method open

LASlib/src/lasreader_las.cpp:57–94

};

BOOL LASreaderLAS::open(const char* file_name, I32 io_buffer_size, BOOL peek_only, U32 decompress_selective)
{
  if (file_name == 0)
  {
    laserror("file name pointer is zero");
    return FALSE;
  }
  file = LASfopen(file_name, "rb");

  if (file == 0)
  {
    laserror("cannot open file '%s' for read", file_name);
    return FALSE;
  }

  // save file name for better ERROR message

  if (this->file_name)
  {
    free(this->file_name);
    this->file_name = 0;
  }
  this->file_name = LASCopyString(file_name);

  if (setvbuf(file, NULL, _IOFBF, io_buffer_size) != 0)
  {
    LASMessage(LAS_WARNING, "setvbuf() failed with buffer size %d", io_buffer_size);
  }

  // create input
  ByteStreamIn* in;
  if (Endian::IS_LITTLE_ENDIAN)
    in = new ByteStreamInFileLE(file);
  else
    in = new ByteStreamInFileBE(file);

  return open(in, peek_only, decompress_selective);
}

BOOL LASreaderLAS::open(FILE* file, BOOL peek_only, U32 decompress_selective)
{