text: #!/usr/bin/env python
  
  # Copyright Insight Software Consortium
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #        http://www.apache.org/licenses/LICENSE-2.0.txt
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  
  import itk
  
  if len(sys.argv) != 4:
      print("Usage: " + sys.argv[0] + " <inputImage> <outputImage> <radius>")
      sys.exit(1)
  
  inputImage = sys.argv[1]
  outputImage = sys.argv[2]
  radiusValue = int(sys.argv[3])
  
  PixelType = itk.UC
  Dimension = 2
  
  ImageType = itk.Image[PixelType, Dimension]
  
  ReaderType = itk.ImageFileReader[ImageType]
  reader = ReaderType.New()
  reader.SetFileName(inputImage)
  
  StructuringElementType = itk.FlatStructuringElement[Dimension]
  structuringElement = StructuringElementType.Ball(radiusValue)
  
  DilateFilterType = itk.BinaryDilateImageFilter[ImageType,
                                                 ImageType,
                                                 StructuringElementType]
  dilateFilter = DilateFilterType.New()
  dilateFilter.SetInput(reader.GetOutput())
  dilateFilter.SetKernel(structuringElement)
  
  WriterType = itk.ImageFileWriter[ImageType]
  writer = WriterType.New()
  writer.SetFileName(outputImage)
  writer.SetInput(dilateFilter.GetOutput())
  
  writer.Update()
  