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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 itkImageToListSampleAdaptor_hxx
#define itkImageToListSampleAdaptor_hxx
namespace itk
{
namespace Statistics
{
template <typename TImage>
ImageToListSampleAdaptor<TImage>::ImageToListSampleAdaptor()
{
m_Image = nullptr;
}
template <typename TImage>
auto
ImageToListSampleAdaptor<TImage>::GetMeasurementVector(InstanceIdentifier id) const -> const MeasurementVectorType &
{
if (m_Image.IsNull())
{
itkExceptionMacro("Image has not been set yet");
}
MeasurementVectorTraits::Assign(m_MeasurementVectorInternal, m_Image->GetPixel(m_Image->ComputeIndex(id)));
return m_MeasurementVectorInternal;
}
/** returns the number of measurement vectors in this container*/
template <typename TImage>
auto
ImageToListSampleAdaptor<TImage>::Size() const -> InstanceIdentifier
{
if (m_Image.IsNull())
{
itkExceptionMacro("Image has not been set yet");
}
return m_Image->GetLargestPossibleRegion().GetNumberOfPixels();
}
template <typename TImage>
inline auto ImageToListSampleAdaptor<TImage>::GetFrequency(InstanceIdentifier) const -> AbsoluteFrequencyType
{
if (m_Image.IsNull())
{
itkExceptionMacro("Image has not been set yet");
}
return NumericTraits<AbsoluteFrequencyType>::OneValue();
}
template <typename TImage>
void
ImageToListSampleAdaptor<TImage>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Image: ";
if (m_Image.IsNotNull())
{
os << m_Image << std::endl;
}
else
{
os << "not set." << std::endl;
}
os << indent << "MeasurementVectorSize: ";
if (m_Image.IsNotNull())
{
os << this->GetMeasurementVectorSize() << std::endl;
}
else
{
os << "not set." << std::endl;
}
}
template <typename TImage>
void
ImageToListSampleAdaptor<TImage>::SetImage(const TImage * image)
{
m_Image = image;
this->Modified();
}
template <typename TImage>
const TImage *
ImageToListSampleAdaptor<TImage>::GetImage() const
{
if (m_Image.IsNull())
{
itkExceptionMacro("Image has not been set yet");
}
return m_Image.GetPointer();
}
template <typename TImage>
auto
ImageToListSampleAdaptor<TImage>::GetTotalFrequency() const -> TotalAbsoluteFrequencyType
{
if (m_Image.IsNull())
{
itkExceptionMacro("Image has not been set yet");
}
return this->Size();
}
} // end of namespace Statistics
} // end of namespace itk
#endif
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