text: /*=========================================================================
   *
   *  Copyright NumFOCUS
   *
   *  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.
   *
   *=========================================================================*/
  #ifndef itkRankImageFilter_hxx
  #define itkRankImageFilter_hxx
  
  #include "itkRankImageFilter.h"
  #include "itkImageRegionIteratorWithIndex.h"
  #include "itkOffset.h"
  #include "itkProgressReporter.h"
  #include "itkNumericTraits.h"
  
  #include "itkImageRegionIterator.h"
  #include "itkImageLinearConstIteratorWithIndex.h"
  
  #include <iomanip>
  #include <sstream>
  
  /*
   *
   * This code was contributed in the Insight Journal paper:
   * "Efficient implementation of kernel filtering"
   * by Beare R., Lehmann G
   * https://www.insight-journal.org/browse/publication/160
   *
   */
  
  namespace itk
  {
  template <typename TInputImage, typename TOutputImage, typename TKernel>
  RankImageFilter<TInputImage, TOutputImage, TKernel>::RankImageFilter()
  {
    m_Rank = 0.5;
  }
  
  template <typename TInputImage, typename TOutputImage, typename TKernel>
  void
  RankImageFilter<TInputImage, TOutputImage, TKernel>::ConfigureHistogram(HistogramType & histogram)
  {
    histogram.SetRank(m_Rank);
  }
  
  template <typename TInputImage, typename TOutputImage, typename TKernel>
  void
  RankImageFilter<TInputImage, TOutputImage, TKernel>::PrintSelf(std::ostream & os, Indent indent) const
  {
    Superclass::PrintSelf(os, indent);
  
    os << indent << "Rank: " << static_cast<typename NumericTraits<float>::PrintType>(m_Rank) << std::endl;
  }
  } // end namespace itk
  #endif
  