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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 itkJointDomainImageToListSampleAdaptor_hxx
#define itkJointDomainImageToListSampleAdaptor_hxx
namespace itk
{
namespace Statistics
{
template <typename TImage>
JointDomainImageToListSampleAdaptor<TImage>::JointDomainImageToListSampleAdaptor()
{
m_NormalizationFactors.Fill(1.0f);
m_Image = nullptr;
m_UsePixelContainer = true;
}
/** returns the number of measurement vectors in this container*/
template <typename TImage>
auto
JointDomainImageToListSampleAdaptor<TImage>::Size() const -> InstanceIdentifier
{
if (m_Image.IsNull())
{
itkExceptionMacro("Image has not been set yet");
}
return m_Image->GetPixelContainer()->Size();
}
template <typename TImage>
inline auto JointDomainImageToListSampleAdaptor<TImage>::GetFrequency(InstanceIdentifier) const -> AbsoluteFrequencyType
{
if (m_Image.IsNull())
{
itkExceptionMacro("Image has not been set yet");
}
return NumericTraits<AbsoluteFrequencyType>::OneValue();
}
template <typename TImage>
void
JointDomainImageToListSampleAdaptor<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 << "UsePixelContainer: " << this->GetUsePixelContainer() << std::endl;
}
template <typename TImage>
void
JointDomainImageToListSampleAdaptor<TImage>::SetImage(const TImage * image)
{
m_Image = image;
m_PixelContainer = image->GetPixelContainer();
this->Modified();
}
template <typename TImage>
const TImage *
JointDomainImageToListSampleAdaptor<TImage>::GetImage() const
{
if (m_Image.IsNull())
{
itkExceptionMacro("Image has not been set yet");
}
return m_Image.GetPointer();
}
template <typename TImage>
auto
JointDomainImageToListSampleAdaptor<TImage>::GetTotalFrequency() const -> TotalAbsoluteFrequencyType
{
if (m_Image.IsNull())
{
itkExceptionMacro("Image has not been set yet");
}
return this->Size();
}
template <typename TImage>
void
JointDomainImageToListSampleAdaptor<TImage>::SetNormalizationFactors(NormalizationFactorsType & factors)
{
if (m_NormalizationFactors != factors)
{
m_NormalizationFactors = factors;
this->Modified();
}
}
template <typename TImage>
auto
JointDomainImageToListSampleAdaptor<TImage>::GetMeasurementVector(InstanceIdentifier id) const
-> const MeasurementVectorType &
{
m_TempIndex = this->GetImage()->ComputeIndex(id);
this->GetImage()->TransformIndexToPhysicalPoint(m_TempIndex, m_TempPoint);
for (unsigned int i = 0; i < TImage::ImageDimension; ++i)
{
m_TempVector[i] = m_TempPoint[i] / m_NormalizationFactors[i];
}
if (m_UsePixelContainer)
{
MeasurementVectorTraits::Assign(m_TempRangeVector, (*m_PixelContainer)[id]);
}
else
{
MeasurementVectorTraits::Assign(m_TempRangeVector, m_Image->GetPixel(m_Image->ComputeIndex(id)));
}
for (unsigned int i = TImage::ImageDimension; i < MeasurementVectorType::Length; ++i)
{
m_TempVector[i] = m_TempRangeVector[i - TImage::ImageDimension] / m_NormalizationFactors[i];
}
return m_TempVector;
}
} // end of namespace Statistics
} // end of namespace itk
#endif
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