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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.
*
*=========================================================================*/
#ifndef itkLevelSetDenseImage_hxx
#define itkLevelSetDenseImage_hxx
namespace itk
{
template <typename TImage>
void
LevelSetDenseImage<TImage>::SetImage(ImageType * inputImage)
{
this->m_Image = inputImage;
typename ImageType::SpacingType spacing = m_Image->GetSpacing();
for (unsigned int dim = 0; dim < Dimension; ++dim)
{
this->m_NeighborhoodScales[dim] =
NumericTraits<OutputRealType>::OneValue() / static_cast<OutputRealType>(spacing[dim]);
}
this->Modified();
}
template <typename TImage>
auto
LevelSetDenseImage<TImage>::Evaluate(const InputType & inputIndex) const -> OutputType
{
InputType mapIndex = inputIndex - this->m_DomainOffset;
return this->m_Image->GetPixel(mapIndex);
}
template <typename TImage>
void
LevelSetDenseImage<TImage>::Evaluate(const InputType & inputIndex, LevelSetDataType & data) const
{
Superclass::Evaluate(inputIndex, data);
}
template <typename TImage>
void
LevelSetDenseImage<TImage>::Initialize()
{
Superclass::Initialize();
this->m_Image = nullptr;
}
template <typename TImage>
void
LevelSetDenseImage<TImage>::CopyInformation(const DataObject * data)
{
Superclass::CopyInformation(data);
const auto * LevelSet = dynamic_cast<const Self *>(data);
if (!LevelSet)
{
// pointer could not be cast back down
itkExceptionMacro("itk::LevelSetDenseImage::CopyInformation() cannot cast " << typeid(data).name() << " to "
<< typeid(Self *).name());
}
}
template <typename TImage>
void
LevelSetDenseImage<TImage>::Graft(const DataObject * data)
{
Superclass::Graft(data);
const auto * LevelSet = dynamic_cast<const Self *>(data);
if (!LevelSet)
{
// pointer could not be cast back down
itkExceptionMacro("itk::LevelSetDenseImage::CopyInformation() cannot cast " << typeid(data).name() << " to "
<< typeid(Self *).name());
}
this->m_Image = LevelSet->m_Image;
this->m_NeighborhoodScales = LevelSet->m_NeighborhoodScales;
}
template <typename TImage>
bool
LevelSetDenseImage<TImage>::IsInsideDomain(const InputType & inputIndex) const
{
const RegionType largestRegion = this->m_Image->GetLargestPossibleRegion();
InputType mapIndex = inputIndex - this->m_DomainOffset;
return largestRegion.IsInside(mapIndex);
}
} // namespace itk
#endif // itkLevelSetDenseImage_hxx
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