System.out.println("Before"); filter.Update(); System.out.println("After");
  public static void main( String argv[] )  {    System.out.println("VoronoiSegmentationImageFilter Example");    itkImageFileReaderUC2_Pointer readerInput =       itkImageFileReaderUC2.itkImageFileReaderUC2_New();        itkImageFileReaderUC2_Pointer readerPrior =       itkImageFileReaderUC2.itkImageFileReaderUC2_New();    readerInput.SetFileName( argv[0] );    readerPrior.SetFileName( argv[1] );    readerInput.Update();    readerPrior.Update();    itkVoronoiSegmentationImageFilterUC2UC2UC2_Pointer filter =       itkVoronoiSegmentationImageFilterUC2UC2UC2.itkVoronoiSegmentationImageFilterUC2UC2UC2_New();    filter.SetInput( readerInput.GetOutput() );    filter.TakeAPrior( readerPrior.GetOutput() );            filter.SetMeanPercentError( Double.parseDouble( argv[3] ) );    filter.SetSTDPercentError(  Double.parseDouble( argv[4] ) );    System.out.println("Before");    filter.Update();    System.out.println("After");    itkImageFileWriterUC2_Pointer writer = itkImageFileWriterUC2.itkImageFileWriterUC2_New();    writer.SetInput( filter.GetOutput() );    writer.SetFileName( argv[2] );    writer.Update();  }