Method ReadFile

IO/MINC/vtkMNIObjectReader.cxx:680–804

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//------------------------------------------------------------------------------
int vtkMNIObjectReader::ReadFile(vtkPolyData* output)
{
  // Initialize the property to default values
  vtkProperty* property = vtkProperty::New();
  this->Property->DeepCopy(property);
  property->Delete();

  // Check that the file name has been set.
  if (!this->FileName)
  {
    vtkErrorMacro("ReadFile: No file name has been set");
    return 0;
  }

  // Make sure that the file exists.
  vtksys::SystemTools::Stat_t fs;
  if (vtksys::SystemTools::Stat(this->FileName, &fs) != 0)
  {
    vtkErrorMacro("ReadFile: Can't open file " << this->FileName);
    return 0;
  }

  // Make sure that the file is readable.
  vtksys::ifstream infile(this->FileName, ios::in);

  if (infile.fail())
  {
    vtkErrorMacro("ReadFile: Can't read the file " << this->FileName);
    return 0;
  }

  // Check object type
  int objType = infile.get();
  int fileType = VTK_ASCII;

  if (infile.fail())
  {
    vtkErrorMacro("ReadFile: I/O error for file " << this->FileName);
    infile.close();
    return 0;
  }

  if (islower(objType))
  {
    objType = toupper(objType);
    fileType = VTK_BINARY;
  }

  if (objType != 'P' && objType != 'L' && objType != 'M' && objType != 'F' && objType != 'X' &&
    objType != 'Q' && objType != 'T' && objType != 'V')
  {
    vtkErrorMacro("ReadFile: File is not a MNI obj file: " << this->FileName);
    infile.close();
    return 0;
  }

#ifdef _WIN32
  // Re-open file as binary (only necessary on Windows)