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/*
* Copyright (C) 2005-2022 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 <complex>
#include "otbImageFileReader.h"
#include "otbImage.h"
#include "otbVectorImage.h"
#include "otbMacro.h"
int otbReadingComplexDataIntoComplexImageTest(int itkNotUsed(argc), char* argv[])
{
typedef double RealType;
typedef std::complex<RealType> PixelType;
typedef otb::Image<PixelType, 2> ImageType;
typedef otb::VectorImage<RealType, 2> VectorImageType;
typedef otb::ImageFileReader<ImageType> Reader1Type;
typedef otb::ImageFileReader<VectorImageType> Reader2Type;
ImageType::IndexType index;
index[0] = atoi(argv[2]);
index[1] = atoi(argv[3]);
ImageType::SizeType size;
size[0] = 1;
size[1] = 1;
ImageType::RegionType region;
region.SetSize(size);
region.SetIndex(index);
Reader1Type::Pointer reader1 = Reader1Type::New();
reader1->SetFileName(argv[1]);
reader1->GetOutput()->UpdateOutputInformation();
reader1->GetOutput()->SetRequestedRegion(region);
reader1->GetOutput()->PropagateRequestedRegion();
reader1->GetOutput()->UpdateOutputData();
PixelType complexValue = reader1->GetOutput()->GetPixel(index);
Reader2Type::Pointer reader2 = Reader2Type::New();
reader2->SetFileName(argv[1]);
reader2->GetOutput()->UpdateOutputInformation();
reader2->GetOutput()->SetRequestedRegion(region);
reader2->GetOutput()->PropagateRequestedRegion();
reader2->GetOutput()->UpdateOutputData();
VectorImageType::PixelType vectorValue = reader2->GetOutput()->GetPixel(index);
std::cout << "Image value (complex): " << complexValue << std::endl;
std::cout << "Image value (vector ): " << vectorValue << std::endl;
otbControlConditionTestMacro(vectorValue.Size() < 2, "VectorImage has less than 2 components. No input complex data.");
otbControlConditionTestMacro(complexValue.real() != vectorValue[0],
"The real part is not read properly. Have a look at the file itk::ConvertPixelBuffer, the problem might be there.");
otbControlConditionTestMacro(complexValue.imag() != vectorValue[1],
"The imaginary part is not read properly. Have a look at the file itk::ConvertPixelBuffer, the problem might be there.");
return EXIT_SUCCESS;
}
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