Method ReadMeshSimple

IO/Legacy/vtkStructuredPointsReader.cxx:280–504

}

int vtkStructuredPointsReader::ReadMeshSimple(const std::string& fname, vtkDataObject* doOutput)
{
  this->SetErrorCode(vtkErrorCode::NoError);
  vtkIdType numPts = 0, numCells = 0;
  char line[256];
  vtkIdType npts, ncells;
  int dimsRead = 0, arRead = 0, originRead = 0;
  vtkStructuredPoints* output = vtkStructuredPoints::SafeDownCast(doOutput);

  // ImageSource superclass does not do this.
  output->ReleaseData();

  vtkDebugMacro(<< "Reading vtk structured points file...");

  if (!this->OpenVTKFile(fname.c_str()) || !this->ReadHeader(fname.c_str()))
  {
    return 1;
  }

  // Read structured points specific stuff
  //
  if (!this->ReadString(line))
  {
    vtkErrorMacro(<< "Data file ends prematurely!");
    this->CloseVTKFile();
    this->SetErrorCode(vtkErrorCode::PrematureEndOfFileError);
    return 1;
  }

  if (!strncmp(this->LowerCase(line), "dataset", 7))
  {
    // Make sure we're reading right type of geometry
    //
    if (!this->ReadString(line))
    {
      vtkErrorMacro(<< "Data file ends prematurely!");
      this->CloseVTKFile();
      this->SetErrorCode(vtkErrorCode::PrematureEndOfFileError);
      return 1;
    }

    if (strncmp(this->LowerCase(line), "structured_points", 17) != 0)
    {
      vtkErrorMacro(<< "Cannot read dataset type: " << line);
      this->CloseVTKFile();
      this->SetErrorCode(vtkErrorCode::UnrecognizedFileTypeError);
      return 1;
    }

    // Read keyword and number of points
    //
    numPts = output->GetNumberOfPoints(); // get default
    while (true)
    {
      if (!this->ReadString(line))
      {
        break;
      }