vtkSmartPointer<vtkMetaImageWriter> writer =
vtkSmartPointer<vtkMetaImageWriter>::New();
writer->SetInputData(img->GetVTK< vtkImageData >());
writer->SetFileName(filename.c_str());
writer->SetRAWFileName(filenameRaw.c_str());
writer->Write();
vtkSmartPointer<vtkMetaImageWriter> writer =
vtkSmartPointer<vtkMetaImageWriter>::New();
writer->SetInputData(img->GetVTK< vtkImageData >());
writer->SetFileName(filename.c_str());
writer->SetRAWFileName(filenameRaw.c_str());
writer->Write();