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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 "itkBinaryImageToLevelSetImageAdaptor.h"
#include "itkLevelSetDomainPartitionImageWithKdTree.h"
#include "itkTestingMacros.h"
int
itkLevelSetDomainPartitionImageWithKdTreeTest(int, char *[])
{
constexpr unsigned int Dimension = 2;
using InputPixelType = unsigned short;
using InputImageType = itk::Image<InputPixelType, Dimension>;
using IdentifierType = itk::IdentifierType;
using DomainPartitionSourceType = itk::LevelSetDomainPartitionImageWithKdTree<InputImageType>;
using ListImageType = DomainPartitionSourceType::ListImageType;
using LevelSetDomainRegionVectorType = DomainPartitionSourceType::LevelSetDomainRegionVectorType;
using CentroidVectorType = DomainPartitionSourceType::CentroidVectorType;
using SampleType = DomainPartitionSourceType::SampleType;
using TreeGeneratorType = DomainPartitionSourceType::TreeGeneratorType;
using TreeType = DomainPartitionSourceType::TreeType;
using ListType = ListImageType::PixelType;
using ListImageIteratorType = itk::ImageRegionConstIteratorWithIndex<ListImageType>;
// load binary mask
InputImageType::SizeType size;
size[0] = 100;
size[1] = 10;
InputImageType::PointType origin;
origin[0] = 0.0;
origin[1] = 0.0;
InputImageType::SpacingType spacing;
spacing[0] = 1.0;
spacing[1] = 1.0;
InputImageType::IndexType index;
index.Fill(0);
InputImageType::RegionType region{ index, size };
// Binary initialization
auto binary = InputImageType::New();
binary->SetRegions(region);
binary->SetSpacing(spacing);
binary->SetOrigin(origin);
binary->Allocate();
binary->FillBuffer(InputPixelType{});
IdentifierType numberOfLevelSetFunctions = 10;
LevelSetDomainRegionVectorType regionVector;
regionVector.resize(numberOfLevelSetFunctions);
CentroidVectorType mv;
auto sample = SampleType::New();
sample->SetMeasurementVectorSize(Dimension);
for (unsigned int i = 0; i < numberOfLevelSetFunctions; ++i)
{
index[0] = 10 * i;
index[1] = 0;
size.Fill(10);
InputImageType::RegionType region1{ index, size };
regionVector[i] = region1;
mv[0] = 10 * i + 5.0;
mv[1] = 5.0;
sample->PushBack(mv);
}
auto treeGenerator = TreeGeneratorType::New();
treeGenerator->SetSample(sample);
treeGenerator->SetBucketSize(2);
treeGenerator->Update();
TreeType::Pointer kdtree = treeGenerator->GetOutput();
auto partitionSource = DomainPartitionSourceType::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(
partitionSource, LevelSetDomainPartitionImageWithKdTree, LevelSetDomainPartitionImage);
partitionSource->SetNumberOfLevelSetFunctions(numberOfLevelSetFunctions);
partitionSource->SetImage(binary);
partitionSource->SetLevelSetDomainRegionVector(regionVector);
typename DomainPartitionSourceType::NeighborsIdType numberOfNeighbors = 3;
partitionSource->SetNumberOfNeighbors(numberOfNeighbors);
ITK_TEST_SET_GET_VALUE(numberOfNeighbors, partitionSource->GetNumberOfNeighbors());
partitionSource->SetKdTree(kdtree);
partitionSource->PopulateListDomain();
bool flag = true;
ListType ll;
ListImageType::ConstPointer listImage = partitionSource->GetListDomain();
ListImageIteratorType It(listImage, listImage->GetLargestPossibleRegion());
It.GoToBegin();
while (!It.IsAtEnd())
{
index = It.GetIndex();
ll = It.Get();
if (ll.size() != 1)
{
flag = false;
break;
}
auto it = ll.begin();
while (it != ll.end())
{
IdentifierType id = index[0] / 10;
if (*it != id)
{
flag = false;
break;
}
++it;
}
++It;
}
if (!flag)
{
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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