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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 "itkLevelSetDomainMapImageFilter.h"
#include "itkTestingMacros.h"
int
itkLevelSetDomainMapImageFilterTest(int, char *[])
{
constexpr unsigned int Dimension = 2;
using ListPixelType = std::list<int>;
using InputImageType = itk::Image<ListPixelType, Dimension>;
using OutputImageType = itk::Image<unsigned short, Dimension>;
using DomainMapImageFilterType = itk::LevelSetDomainMapImageFilter<InputImageType, OutputImageType>;
using DomainMapType = DomainMapImageFilterType::DomainMapType;
InputImageType::IndexType index;
index[0] = 0;
index[1] = 0;
InputImageType::SizeType size;
size[0] = 10;
size[1] = 10;
InputImageType::RegionType region{ index, size };
ListPixelType l;
auto input = InputImageType::New();
input->SetRegions(region);
input->Allocate();
input->FillBuffer(l);
for (unsigned int i = 0; i < 10; ++i)
{
ListPixelType ll;
ll.push_back(i);
ll.push_back(i + 1);
index[0] = index[1] = i;
input->SetPixel(index, ll);
}
auto filter = DomainMapImageFilterType::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(filter, LevelSetDomainMapImageFilter, ImageToImageFilter);
filter->SetInput(input);
filter->Update();
OutputImageType::Pointer output = filter->GetOutput();
using OutputImageIteratorType = itk::ImageRegionConstIteratorWithIndex<OutputImageType>;
OutputImageIteratorType it(output, output->GetLargestPossibleRegion());
it.GoToBegin();
OutputImageType::IndexType out_index;
OutputImageType::PixelType out_id;
const DomainMapType domainMap = filter->GetDomainMap();
DomainMapType::const_iterator mapIt;
const DomainMapType::const_iterator mapEnd = domainMap.end();
while (!it.IsAtEnd())
{
out_index = it.GetIndex();
out_id = it.Get();
if (out_id > 0)
{
std::cout << "*** " << std::endl;
std::cout << out_index << " # " << out_id << std::endl;
mapIt = domainMap.find(out_id);
if (mapIt != mapEnd)
{
const InputImageType::RegionType domainMapRegion = *(mapIt->second.GetRegion());
std::cout << domainMapRegion;
const ListPixelType * lout = mapIt->second.GetIdList();
if (lout->empty())
{
return EXIT_FAILURE;
}
else
{
for (const auto & lIt : *lout)
{
std::cout << lIt << ' ';
}
std::cout << std::endl;
}
}
}
++it;
}
return EXIT_SUCCESS;
}
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