File: otbExtractROI.cxx

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/*=========================================================================

  Program:   ORFEO Toolbox
  Language:  C++
  Date:      $Date$
  Version:   $Revision$


  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
  See OTBCopyright.txt for details.


  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.  See the above copyright notices for more information.

=========================================================================*/

#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"

#include "otbExtractROI.h"

int otbExtractROI(int itkNotUsed(argc), char * argv[])
{
  const char * inputFilename  = argv[1];
  const char * outputFilename = argv[2];
  unsigned int startX((unsigned int) ::atoi(argv[3]));
  unsigned int startY((unsigned int) ::atoi(argv[4]));
  unsigned int sizeX((unsigned int) ::atoi(argv[5]));
  unsigned int sizeY((unsigned int) ::atoi(argv[6]));

  typedef unsigned char InputPixelType;
  typedef unsigned char OutputPixelType;

  typedef otb::ExtractROI<InputPixelType,
      OutputPixelType>   FilterType;

  typedef FilterType::InputImageType  InputImageType;
  typedef FilterType::OutputImageType OutputImageType;

  typedef otb::ImageFileReader<InputImageType>  ReaderType;
  typedef otb::ImageFileWriter<OutputImageType> WriterType;
  FilterType::Pointer filter = FilterType::New();

  filter->SetStartX(startX);
  filter->SetStartY(startY);
  filter->SetSizeX(sizeX);
  filter->SetSizeY(sizeY);

  ReaderType::Pointer reader = ReaderType::New();
  WriterType::Pointer writer = WriterType::New();

  reader->SetFileName(inputFilename);
  writer->SetFileName(outputFilename);

  filter->SetInput(reader->GetOutput());
  writer->SetInput(filter->GetOutput());
  writer->Update();

  return EXIT_SUCCESS;
}