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/*
* Copyright (C) 2005-2020 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 "itkListSample.h"
#include "otbMath.h"
#include "otbImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
#include "otbAngularProjectionSetImageFilter.h"
int otbAngularProjectionSetImageFilterTest(int, char* argv[])
{
const unsigned int Dimension = 2;
const unsigned int SpaceDimension = 3;
const unsigned int nbInputImages = SpaceDimension + 1;
// Use the same input several time in this test
std::string inputImageName = argv[1];
// We only have one output here
std::string outputImageName = argv[2];
// Main type definition
typedef float PixelType;
typedef double PrecisionType;
typedef itk::FixedArray<PrecisionType, SpaceDimension> AngleType;
typedef itk::Statistics::ListSample<AngleType> AngleListType;
typedef otb::Image<PixelType, Dimension> ImageType;
// Reading input images
typedef otb::ImageFileReader<ImageType> ReaderType;
typedef otb::ObjectList<ReaderType> ReaderListType;
ReaderListType::Pointer reader = ReaderListType::New();
reader->Resize(nbInputImages);
for (unsigned int i = 0; i < nbInputImages; i++)
{
reader->SetNthElement(i, ReaderType::New());
reader->GetNthElement(i)->SetFileName(inputImageName);
reader->GetNthElement(i)->Update();
}
// Parameter (to be changed if necessary)
// Here, we will have one output only
AngleListType::Pointer angleList = AngleListType::New();
AngleType angle;
for (unsigned int i = 0; i < SpaceDimension; i++)
{
angle[i] = otb::CONST_PI / static_cast<double>(SpaceDimension);
}
angleList->PushBack(angle);
// Filter
typedef otb::AngularProjectionSetImageFilter<ImageType, ImageType, AngleListType, PrecisionType> FilterType;
FilterType::Pointer filter = FilterType::New();
for (unsigned int i = 0; i < nbInputImages; i++)
{
filter->SetInput(i, reader->GetNthElement(i)->GetOutput());
}
filter->SetAngleList(angleList);
filter->Update();
// Saving
typedef otb::ImageFileWriter<ImageType> WriterType;
typedef otb::ObjectList<WriterType> WriterListType;
WriterListType::Pointer writers = WriterListType::New();
writers->Resize(filter->GetOutput()->Size());
for (unsigned int i = 0; i < filter->GetOutput()->Size(); i++)
{
writers->SetNthElement(i, WriterType::New());
WriterType::Pointer writer = writers->GetNthElement(i);
writer->SetFileName(outputImageName);
writer->SetInput(filter->GetOutput()->GetNthElement(i));
writer->Update();
}
return EXIT_SUCCESS;
}
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