anchor.diff:  OtsuThresholdImageFilter,True,True,,False
   PadImageFilter,True,False,,True
   ParallelSparseFieldLevelSetImageFilter,True,False,base class,False
  +ParametricImageSource,True,False,,False
   PasteImageFilter,True,True,,False
   PermuteAxesImageFilter,True,True,,False
  +PhysicalPointImageSource,True,False,,False
   PhysicalPointSourceImageFilter,False,True,,False
   PowImageFilter,True,True,,False
   PowToConstantImageFilter,False,True,,False
   ProjectedLandweberDeconvolutionImageFilter,True,True,,False
  +PyImageFilter,True,False,,False
   RGBToLuminanceImageFilter,True,False,,True
   RandomImageSource,True,False,in itk::Testing namespace,False
  -RankImageFilter,True,False,,True
  +RankImageFilter,True,True,,True
   RealAndImaginaryToComplexImageFilter,False,True,,False
   RealToHalfHermitianForwardFFTImageFilter,True,False,,True
   ReconstructionByDilationImageFilter,True,False,,True
  
positive.code: TriangleThresholdImageFilter,True,True,,False
  UnaryMinusImageFilter,False,True,,False
  UnsharpMaskLevelSetImageFilter,True,False,,True
  VTKImageToImageFilter,True,False,,False
  ValuedRegionalMaximaImageFilter,True,False,,True
  ValuedRegionalMinimaImageFilter,True,False,,True
  VectorCastImageFilter,True,False,Already integrated into the Cast image filter,False
  
negative.code: ClampImageFilter,True,False,This might be implemented as an option to cast image filter,True
  ClosingByReconstructionImageFilter,True,True,,False
  CollidingFrontsImageFilter,True,False,,True
  ComparisonImageFilter,True,False,,False
  ComplexToImaginaryImageFilter,True,True,,False
  ComplexToModulusImageFilter,True,True,,False
  ComplexToPhaseImageFilter,True,True,,False
  