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/*
* Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
* Copyright (C) 2007-2012 Institut Mines Telecom / Telecom Bretagne
*
* 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 "otbImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
#include "otbSubsampleImageFilter.h"
int otbSubsampleImageFilter(int itkNotUsed(argc), char * argv[])
{
const char * inputFileName = argv[1];
const char * outputFileName1 = argv[2];
const char * outputFileName2 = argv[3];
const unsigned int Dimension = 2;
typedef double PixelType;
typedef otb::Image<PixelType, Dimension> ImageType;
typedef otb::ImageFileReader<ImageType> ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFileName);
typedef otb::SubsampleImageFilter<ImageType, ImageType, otb::Wavelet::INVERSE>
InvFilterType;
InvFilterType::Pointer invFilter = InvFilterType::New();
invFilter->SetInput(reader->GetOutput());
itk::Index<Dimension> delta = {{2, 2}};
invFilter->SetSubsampleFactor(delta);
typedef otb::ImageFileWriter<ImageType> WriterType;
WriterType::Pointer writer1 = WriterType::New();
writer1->SetFileName(outputFileName1);
writer1->SetInput(invFilter->GetOutput());
writer1->Update();
typedef otb::SubsampleImageFilter<ImageType, ImageType, otb::Wavelet::FORWARD>
ForwardFilterType;
ForwardFilterType::Pointer filter = ForwardFilterType::New();
filter->SetInput(invFilter->GetOutput());
filter->SetSubsampleFactor(invFilter->GetSubsampleFactor());
WriterType::Pointer writer2 = WriterType::New();
writer2->SetFileName(outputFileName2);
writer2->SetInput(filter->GetOutput());
writer2->Update();
return EXIT_SUCCESS;
}
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