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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* 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 "itkImageFileReader.h"
#include "itkRecursiveGaussianImageFilter.h"
#include "itkRescaleIntensityImageFilter.h"
#include "itkRegionOfInterestImageFilter.h"
#include "itkImageFileWriter.h"
#include "itkDirectFourierReconstructionImageToImageFilter.h"
#include "itkTestingMacros.h"
using InternalPixelType = double;
using TestOutputPixelType = short;
using OutputImageType = itk::Image<TestOutputPixelType, 3>;
using InternalImageType = itk::Image<InternalPixelType, 3>;
using ReconstructionFilterType =
itk::DirectFourierReconstructionImageToImageFilter<InternalImageType, InternalImageType>;
using SmootherType = itk::RecursiveGaussianImageFilter<InternalImageType, InternalImageType>;
using RescalerType = itk::RescaleIntensityImageFilter<InternalImageType, OutputImageType>;
using ROIFilterType = itk::RegionOfInterestImageFilter<OutputImageType, OutputImageType>;
using ReaderType = itk::ImageFileReader<InternalImageType>;
using WriterType = itk::ImageFileWriter<OutputImageType>;
class CommandProgressUpdate : public itk::Command
{
public:
using Self = CommandProgressUpdate;
using Superclass = itk::Command;
using Pointer = itk::SmartPointer<Self>;
itkNewMacro(Self);
protected:
CommandProgressUpdate() = default;
using ReconstructionFilterPointer = const ReconstructionFilterType *;
void
Execute(itk::Object * caller, const itk::EventObject & event) override
{
Execute((const itk::Object *)caller, event);
}
void
Execute(const itk::Object * caller, const itk::EventObject & event) override
{
auto reconstructor = static_cast<ReconstructionFilterPointer>(caller);
if (!itk::ProgressEvent().CheckEvent(&event))
{
return;
}
std::cout << static_cast<int>(100 * reconstructor->GetProgress()) << '%' << std::endl;
}
};
int
itkDirectFourierReconstructionImageToImageFilterTest(int argc, char * argv[])
{
if (argc != 18)
{
std::cerr << "Missing parameters." << std::endl;
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv);
std::cerr << " input output r_dir z_dir alpha_dir nz ng fc nb alpha_range x y z sx sy sz sigma" << std::endl;
return EXIT_FAILURE;
}
auto reader = ReaderType::New();
reader->SetFileName(argv[1]);
auto smoother = SmootherType::New();
smoother->SetInput(reader->GetOutput());
smoother->SetSigma(std::stod(argv[17]));
smoother->SetDirection(std::stoi(argv[3]));
auto reconstruct = ReconstructionFilterType::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(reconstruct, DirectFourierReconstructionImageToImageFilter, ImageToImageFilter);
if (std::stod(argv[17]) == 0)
{
reconstruct->SetInput(reader->GetOutput());
}
else
{
reconstruct->SetInput(smoother->GetOutput());
}
unsigned short rDirection = std::stoi(argv[3]);
reconstruct->SetRDirection(rDirection);
ITK_TEST_SET_GET_VALUE(rDirection, reconstruct->GetRDirection());
unsigned short zDirection = std::stoi(argv[4]);
reconstruct->SetZDirection(zDirection);
ITK_TEST_SET_GET_VALUE(zDirection, reconstruct->GetZDirection());
unsigned short alphaDirection = std::stoi(argv[5]);
reconstruct->SetAlphaDirection(alphaDirection);
ITK_TEST_SET_GET_VALUE(alphaDirection, reconstruct->GetAlphaDirection());
unsigned short zeroPadding = std::stoi(argv[6]);
reconstruct->SetZeroPadding(zeroPadding);
ITK_TEST_SET_GET_VALUE(zeroPadding, reconstruct->GetZeroPadding());
unsigned short overSampling = std::stoi(argv[7]);
reconstruct->SetOverSampling(overSampling);
ITK_TEST_SET_GET_VALUE(overSampling, reconstruct->GetOverSampling());
auto cutoff = std::stod(argv[8]);
reconstruct->SetCutoff(cutoff);
ITK_TEST_SET_GET_VALUE(cutoff, reconstruct->GetCutoff());
unsigned short radialSplineOrder = std::stoi(argv[9]);
reconstruct->SetRadialSplineOrder(radialSplineOrder);
ITK_TEST_SET_GET_VALUE(radialSplineOrder, reconstruct->GetRadialSplineOrder());
auto alphaRange = std::stod(argv[10]);
reconstruct->SetAlphaRange(alphaRange);
ITK_TEST_SET_GET_VALUE(alphaRange, reconstruct->GetAlphaRange());
auto observer = CommandProgressUpdate::New();
reconstruct->AddObserver(itk::ProgressEvent(), observer);
auto rescaler = RescalerType::New();
rescaler->SetInput(reconstruct->GetOutput());
rescaler->SetOutputMinimum(itk::NumericTraits<TestOutputPixelType>::min());
rescaler->SetOutputMaximum(itk::NumericTraits<TestOutputPixelType>::max());
auto ROIFilter = ROIFilterType::New();
ROIFilter->SetInput(rescaler->GetOutput());
ROIFilterType::IndexType start;
ROIFilterType::SizeType size;
start[0] = std::stoi(argv[11]);
start[1] = std::stoi(argv[12]);
start[2] = std::stoi(argv[13]);
size[0] = std::stoi(argv[14]);
size[1] = std::stoi(argv[15]);
size[2] = std::stoi(argv[16]);
ROIFilterType::RegionType requestedRegion{ start, size };
ROIFilter->SetRegionOfInterest(requestedRegion);
auto writer = WriterType::New();
writer->SetFileName(argv[2]);
writer->UseCompressionOn();
writer->SetInput(ROIFilter->GetOutput());
ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
std::cout << "Test finished." << std::endl;
return EXIT_SUCCESS;
}
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