itkDistanceToCentroidMembershipFunction.h

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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 itkDistanceToCentroidMembershipFunction_h
#define itkDistanceToCentroidMembershipFunction_h
 
#include "itkMembershipFunctionBase.h"
#include "itkDistanceMetric.h"
 
namespace itk
{
namespace Statistics
{
template <typename TVector>
class ITK_TEMPLATE_EXPORT DistanceToCentroidMembershipFunction : public MembershipFunctionBase<TVector>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(DistanceToCentroidMembershipFunction);
 
  using Self = DistanceToCentroidMembershipFunction;
  using Superclass = MembershipFunctionBase<TVector>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkOverrideGetNameOfClassMacro(DistanceToCentroidMembershipFunction);
  itkNewMacro(Self);
  using MembershipFunctionPointer = typename Superclass::Pointer;
 
  using MeasurementVectorType = TVector;
 
  using typename Superclass::MeasurementVectorSizeType;
 
  void SetMeasurementVectorSize(MeasurementVectorSizeType) override;
 
  using DistanceMetricType = DistanceMetric<MeasurementVectorType>;
  using DistanceMetricPointer = typename DistanceMetricType::Pointer;
  using CentroidType = typename DistanceMetricType::OriginType;
 
  itkSetObjectMacro(DistanceMetric, DistanceMetricType);
 
  itkGetModifiableObjectMacro(DistanceMetric, DistanceMetricType);
 
  void
  SetCentroid(const CentroidType & centroid);
 
  const CentroidType &
  GetCentroid() const;
 
  double
  Evaluate(const MeasurementVectorType & measurement) const override;
 
protected:
  DistanceToCentroidMembershipFunction();
  ~DistanceToCentroidMembershipFunction() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  typename LightObject::Pointer
  InternalClone() const override;
 
private:
  DistanceMetricPointer m_DistanceMetric{};
};
} // end of namespace Statistics
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkDistanceToCentroidMembershipFunction.hxx"
#endif
 
#endif