itkEuclideanDistancePointMetric.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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
 *
 *         http://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 itkEuclideanDistancePointMetric_h
#define itkEuclideanDistancePointMetric_h

#include "itkPointSetToPointSetMetric.h"
#include "itkCovariantVector.h"
#include "itkPointSet.h"
#include "itkImage.h"

namespace itk
{
template< typename TFixedPointSet, typename TMovingPointSet,
          typename TDistanceMap =
            ::itk::Image< unsigned short, TMovingPointSet::PointDimension > >
class ITK_TEMPLATE_EXPORT EuclideanDistancePointMetric:
  public PointSetToPointSetMetric< TFixedPointSet, TMovingPointSet >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(EuclideanDistancePointMetric);

  using Self = EuclideanDistancePointMetric;
  using Superclass = PointSetToPointSetMetric< TFixedPointSet, TMovingPointSet >;

  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(EuclideanDistancePointMetric, Object);

  using TransformType = typename Superclass::TransformType;
  using TransformPointer = typename Superclass::TransformPointer;
  using TransformParametersType = typename Superclass::TransformParametersType;
  using TransformJacobianType = typename Superclass::TransformJacobianType;

  using MeasureType = typename Superclass::MeasureType;
  using DerivativeType = typename Superclass::DerivativeType;
  using FixedPointSetType = typename Superclass::FixedPointSetType;
  using MovingPointSetType = typename Superclass::MovingPointSetType;
  using FixedPointSetConstPointer = typename Superclass::FixedPointSetConstPointer;
  using MovingPointSetConstPointer = typename Superclass::MovingPointSetConstPointer;

  using FixedPointIterator = typename Superclass::FixedPointIterator;
  using FixedPointDataIterator = typename Superclass::FixedPointDataIterator;

  using MovingPointIterator = typename Superclass::MovingPointIterator;
  using MovingPointDataIterator = typename Superclass::MovingPointDataIterator;

  using DistanceMapType = TDistanceMap;
  using DistanceMapPointer = typename DistanceMapType::ConstPointer;

  unsigned int GetNumberOfValues() const override;

  void GetDerivative(const TransformParametersType & parameters,
                     DerivativeType & Derivative) const override;

  MeasureType GetValue(const TransformParametersType & parameters) const override;

  void GetValueAndDerivative(const TransformParametersType & parameters,
                             MeasureType & Value, DerivativeType & Derivative) const;

  itkSetConstObjectMacro(DistanceMap, DistanceMapType);
  itkGetConstObjectMacro(DistanceMap, DistanceMapType);

  itkSetMacro(ComputeSquaredDistance, bool);
  itkGetConstMacro(ComputeSquaredDistance, bool);
  itkBooleanMacro(ComputeSquaredDistance);

protected:
  EuclideanDistancePointMetric();
  ~EuclideanDistancePointMetric() override = default;

  void PrintSelf(std::ostream & os, Indent indent) const override;

private:
  DistanceMapPointer m_DistanceMap;
  bool               m_ComputeSquaredDistance{ false };
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkEuclideanDistancePointMetric.hxx"
#endif

#endif