text: /*=========================================================================
   *
   *  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
   *
   *         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 itkRegistrationParameterScalesFromPhysicalShift_h
  #define itkRegistrationParameterScalesFromPhysicalShift_h
  
  #include "itkRegistrationParameterScalesFromShiftBase.h"
  
  namespace itk
  {
  
  /**
   *\class RegistrationParameterScalesFromPhysicalShift
   *  \brief Registration helper class for estimating scales of
   * transform parameters a step sizes, from the maximum voxel shift
   * in physical space caused by a parameter change.
   *
   * \ingroup ITKOptimizersv4
   */
  template <typename TMetric>
  class ITK_TEMPLATE_EXPORT RegistrationParameterScalesFromPhysicalShift
    : public RegistrationParameterScalesFromShiftBase<TMetric>
  {
  public:
    ITK_DISALLOW_COPY_AND_MOVE(RegistrationParameterScalesFromPhysicalShift);
  
    /** Standard class type aliases. */
    using Self = RegistrationParameterScalesFromPhysicalShift;
    using Superclass = RegistrationParameterScalesFromShiftBase<TMetric>;
    using Pointer = SmartPointer<Self>;
    using ConstPointer = SmartPointer<const Self>;
  
    /** Method for creation through the object factory. */
    itkNewMacro(Self);
  
    /** Run-time type information (and related methods). */
    itkTypeMacro(RegistrationParameterScalesFromPhysicalShift, RegistrationParameterScalesFromShiftBase);
  
    /** Type of scales */
    using typename Superclass::ScalesType;
    /** Type of parameters of the optimizer */
    using typename Superclass::ParametersType;
    /** Type of float */
    using typename Superclass::FloatType;
  
    using typename Superclass::VirtualPointType;
    using typename Superclass::VirtualIndexType;
    using typename Superclass::MovingTransformType;
    using typename Superclass::FixedTransformType;
    using typename Superclass::JacobianType;
    using typename Superclass::VirtualImageConstPointer;
  
  protected:
    RegistrationParameterScalesFromPhysicalShift() = default;
    ~RegistrationParameterScalesFromPhysicalShift() override = default;
  
    void
    PrintSelf(std::ostream & os, Indent indent) const override;
  
    void
    ComputeSampleShifts(const ParametersType & deltaParameters, ScalesType & sampleShifts) override;
  
  private:
    template <typename TTransform>
    void
    ComputeSampleShiftsInternal(const ParametersType & deltaParameters, ScalesType & sampleShifts);
  
  }; // class RegistrationParameterScalesFromPhysicalShift
  
  } // namespace itk
  
  
  #ifndef ITK_MANUAL_INSTANTIATION
  #  include "itkRegistrationParameterScalesFromPhysicalShift.hxx"
  #endif
  
  #endif /* itkRegistrationParameterScalesFromPhysicalShift_h */
  