Method ReadMetaDataSimple

IO/Legacy/vtkGenericDataObjectReader.cxx:175–248

}

int vtkGenericDataObjectReader::ReadMetaDataSimple(
  const std::string& fname, vtkInformation* metadata)
{
  if (fname.empty() &&
    (this->GetReadFromInputString() == 0 ||
      (this->GetInputArray() == nullptr && this->GetInputString() == nullptr)))
  {
    vtkWarningMacro(<< "FileName must be set");
    return 0;
  }

  vtkDataReader* reader = nullptr;
  int retVal;
  switch (this->ReadOutputType())
  {
    case VTK_MOLECULE:
    case VTK_UNDIRECTED_GRAPH:
    case VTK_DIRECTED_GRAPH:
      reader = vtkGraphReader::New();
      break;
    case VTK_IMAGE_DATA:
      reader = vtkStructuredPointsReader::New();
      break;
    case VTK_POLY_DATA:
      reader = vtkPolyDataReader::New();
      break;
    case VTK_RECTILINEAR_GRID:
      reader = vtkRectilinearGridReader::New();
      break;
    case VTK_STRUCTURED_GRID:
      reader = vtkStructuredGridReader::New();
      break;
    case VTK_STRUCTURED_POINTS:
      reader = vtkStructuredPointsReader::New();
      break;
    case VTK_TABLE:
      reader = vtkTableReader::New();
      break;
    case VTK_TREE:
      reader = vtkTreeReader::New();
      break;
    case VTK_UNSTRUCTURED_GRID:
      reader = vtkUnstructuredGridReader::New();
      break;
    case VTK_CELL_GRID:
      reader = vtkLegacyCellGridReader::New();
      break;
    case VTK_STATISTICAL_MODEL:
      reader = vtkLegacyStatisticalModelReader::New();
      break;
    case VTK_MULTIBLOCK_DATA_SET:
    case VTK_HIERARCHICAL_BOX_DATA_SET:
    case VTK_MULTIPIECE_DATA_SET:
    case VTK_OVERLAPPING_AMR:
    case VTK_NON_OVERLAPPING_AMR:
    case VTK_PARTITIONED_DATA_SET:
    case VTK_PARTITIONED_DATA_SET_COLLECTION:
      reader = vtkCompositeDataReader::New();