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 "otbImage.h"
  
  #include "otbImageFileReader.h"
  #include "otbImageFileWriter.h"
  #include "otbHarrisImageFilter.h"
  
  int otbHarrisImage(int itkNotUsed(argc), char* argv[])
  {
    const char* inputFilename  = argv[1];
    const char* outputFilename = argv[2];
  
    double SigmaD((double)::atof(argv[3]));
    double SigmaI((double)::atof(argv[4]));
    double Alpha((double)::atof(argv[5]));
  
    typedef unsigned char InputPixelType;
    const unsigned int    Dimension = 2;
    typedef unsigned char OutputPixelType;
  
    typedef otb::Image<InputPixelType, Dimension>  InputImageType;
    typedef otb::Image<OutputPixelType, Dimension> OutputImageType;
    typedef otb::ImageFileReader<InputImageType> ReaderType;
    typedef otb::HarrisImageFilter<InputImageType, OutputImageType> FunctionType;
    typedef otb::ImageFileWriter<OutputImageType> WriterType;
  
    ReaderType::Pointer   reader = ReaderType::New();
    WriterType::Pointer   writer = WriterType::New();
    FunctionType::Pointer harris = FunctionType::New();
  
    reader->SetFileName(inputFilename);
    writer->SetFileName(outputFilename);
  
    harris->SetInput(reader->GetOutput());
    harris->SetSigmaD(SigmaD);
    harris->SetSigmaI(SigmaI);
    harris->SetAlpha(Alpha);
  
    writer->SetInput(harris->GetOutput());
    writer->Update();
  
    return EXIT_SUCCESS;
  }
  