text: /*
   * Copyright (C) 2005-2019 Centre National d'Etudes Spatiales (CNES)
   *
   * This file is part of Orfeo Toolbox
   *
   *     https://www.orfeo-toolbox.org/
   *
   * 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
   *
   * 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.
   */
  
  
  #include "itkMacro.h"
  #include <iostream>
  
  #include "otbImage.h"
  #include "otbImageFileReader.h"
  #include "otbImageFileWriter.h"
  #include "otbKuanImageFilter.h"
  
  int otbKuanFilter(int itkNotUsed(argc), char* argv[])
  {
    const char* inputFilename  = argv[1];
    const char* outputFilename = argv[2];
  
    unsigned int RadiusX((unsigned int)::atoi(argv[3]));
    unsigned int RadiusY((unsigned int)::atoi(argv[4]));
    double       NbLooks((double)::atof(argv[5]));
  
    typedef double     InputPixelType;
    typedef double     OutputPixelType;
    const unsigned int Dimension = 2;
  
    typedef otb::Image<InputPixelType, Dimension>  InputImageType;
    typedef otb::Image<OutputPixelType, Dimension> OutputImageType;
  
    typedef otb::ImageFileReader<InputImageType>  ReaderType;
    typedef otb::ImageFileWriter<OutputImageType> WriterType;
  
    typedef otb::KuanImageFilter<InputImageType, OutputImageType> FilterType;
  
    FilterType::SizeType Radius;
    Radius[0] = RadiusX;
    Radius[1] = RadiusY;
  
    FilterType::Pointer filterLee = FilterType::New();
  
    filterLee->SetRadius(Radius);
    // OTB-FA-00018-CS
    filterLee->SetNbLooks(NbLooks);
  
    ReaderType::Pointer reader = ReaderType::New();
    WriterType::Pointer writer = WriterType::New();
  
    reader->SetFileName(inputFilename);
    writer->SetFileName(outputFilename);
  
    filterLee->SetInput(reader->GetOutput());
    writer->SetInput(filterLee->GetOutput());
  
    writer->Update();
  
    return EXIT_SUCCESS;
  }
  