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/*
* Copyright (C) 2005-2017 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 "otbVectorImage.h"
#include "otbImage.h"
#include "otbChangeLabelImageFilter.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "otbImageFileWriter.h"
#include "otbImageFileReader.h"
int otbChangeLabelImageFilter(int itkNotUsed(argc), char * argv[])
{
const unsigned int ImageDimension = 2;
const char * inputFilename(argv[1]);
const char * outFilename(argv[2]);
typedef unsigned short PixelType;
typedef otb::Image<PixelType, ImageDimension> InputImageType;
typedef otb::VectorImage<PixelType, ImageDimension> OutputImageType;
typedef InputImageType::PixelType InputPixelType;
typedef OutputImageType::PixelType OutputPixelType;
typedef otb::ChangeLabelImageFilter<InputImageType, OutputImageType> FilterType;
typedef otb::ImageFileWriter<OutputImageType> WriterType;
typedef otb::ImageFileReader<InputImageType> ReaderType;
FilterType::Pointer filter = FilterType::New();
InputImageType::Pointer vectImage = InputImageType::New();
WriterType::Pointer writer = WriterType::New();
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFilename);
writer->SetFileName(outFilename);
InputPixelType lower = static_cast<PixelType>(atoi(argv[3]));
InputPixelType upper = static_cast<PixelType>(atoi(argv[4]));
filter->SetNumberOfComponentsPerPixel(3);
OutputPixelType background;
background.SetSize(filter->GetNumberOfComponentsPerPixel());
background[0] = itk::NumericTraits<PixelType>::max();
background[1] = itk::NumericTraits<PixelType>::max();
background[2] = 0;
OutputPixelType zero = itk::NumericTraits<OutputPixelType>::ZeroValue(background);
filter->SetChange(0, zero);
for (InputPixelType i = lower; i <= upper; ++i)
{
filter->SetChange(i, background);
}
filter->SetInput(reader->GetOutput());
writer->SetInput(filter->GetOutput());
writer->Update();
return EXIT_SUCCESS;
}
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