itkWeightedCombinationTransform.h

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/*=========================================================================
 *
 *  Copyright UMC Utrecht and contributors
 *
 *  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.
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 *=========================================================================*/
#ifndef itkWeightedCombinationTransform_h
#define itkWeightedCombinationTransform_h
 
#include "itkAdvancedTransform.h"
 
namespace itk
{
 
template <class TScalarType, unsigned int NInputDimensions = 3, unsigned int NOutputDimensions = 3>
class ITK_TEMPLATE_EXPORT WeightedCombinationTransform
  : public AdvancedTransform<TScalarType, NInputDimensions, NOutputDimensions>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(WeightedCombinationTransform);
 
  using Self = WeightedCombinationTransform;
  using Superclass = AdvancedTransform<TScalarType, NInputDimensions, NOutputDimensions>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkTypeMacro(WeightedCombinationTransform, AdvancedTransform);
 
  itkStaticConstMacro(InputSpaceDimension, unsigned int, NInputDimensions);
  itkStaticConstMacro(OutputSpaceDimension, unsigned int, NOutputDimensions);
 
  using typename Superclass::ScalarType;
  using typename Superclass::ParametersType;
  using typename Superclass::NumberOfParametersType;
  using typename Superclass::JacobianType;
  using typename Superclass::InputVectorType;
  using typename Superclass::OutputVectorType;
  using typename Superclass::InputCovariantVectorType;
  using typename Superclass::OutputCovariantVectorType;
  using typename Superclass::InputVnlVectorType;
  using typename Superclass::OutputVnlVectorType;
  using typename Superclass::InputPointType;
  using typename Superclass::OutputPointType;
  using typename Superclass::NonZeroJacobianIndicesType;
  using typename Superclass::SpatialJacobianType;
  using typename Superclass::JacobianOfSpatialJacobianType;
  using typename Superclass::SpatialHessianType;
  using typename Superclass::JacobianOfSpatialHessianType;
 
  using TransformType = Transform<TScalarType, NInputDimensions, NOutputDimensions>;
  using TransformPointer = typename TransformType::Pointer;
  using TransformContainerType = std::vector<TransformPointer>;
 
  OutputPointType
  TransformPoint(const InputPointType & inputPoint) const override;
 
  OutputVectorType
  TransformVector(const InputVectorType &) const override
  {
    itkExceptionMacro(
      << "TransformVector(const InputVectorType &) is not implemented for WeightedCombinationTransform");
  }
 
 
  OutputVnlVectorType
  TransformVector(const InputVnlVectorType &) const override
  {
    itkExceptionMacro(
      << "TransformVector(const InputVnlVectorType &) is not implemented for WeightedCombinationTransform");
  }
 
 
  OutputCovariantVectorType
  TransformCovariantVector(const InputCovariantVectorType &) const override
  {
    itkExceptionMacro(<< "TransformCovariantVector(const InputCovariantVectorType &) is not implemented for "
                         "WeightedCombinationTransform");
  }
 
 
  void
  GetJacobian(const InputPointType & inputPoint, JacobianType & jac, NonZeroJacobianIndicesType & nzji) const override;
 
  void
  SetParameters(const ParametersType & param) override;
 
  void
  SetFixedParameters(const ParametersType &) override
  {
    // \todo: to be implemented by Stefan
  }
 
 
  const ParametersType &
  GetFixedParameters() const override
  {
    // \todo: to be implemented by Stefan: check this:
    return this->m_FixedParameters;
  }
 
 
  NumberOfParametersType
  GetNumberOfParameters() const override
  {
    return this->m_TransformContainer.size();
  }
 
 
  itkSetMacro(NormalizeWeights, bool);
  itkGetConstMacro(NormalizeWeights, bool);
 
  virtual void
  SetTransformContainer(const TransformContainerType & transformContainer)
  {
    this->m_TransformContainer = transformContainer;
    this->Modified();
  }
 
 
  const TransformContainerType &
  GetTransformContainer() const
  {
    return this->m_TransformContainer;
  }
 
 
  void
  GetSpatialJacobian(const InputPointType & inputPoint, SpatialJacobianType & sj) const override
  {
    itkExceptionMacro(<< "Not implemented for WeightedCombinationTransform");
  }
 
 
  void
  GetSpatialHessian(const InputPointType & inputPoint, SpatialHessianType & sh) const override
  {
    itkExceptionMacro(<< "Not implemented for WeightedCombinationTransform");
  }
 
 
  void
  GetJacobianOfSpatialJacobian(const InputPointType &          inputPoint,
                               JacobianOfSpatialJacobianType & jsj,
                               NonZeroJacobianIndicesType &    nonZeroJacobianIndices) const override
  {
    itkExceptionMacro(<< "Not implemented for WeightedCombinationTransform");
  }
 
 
  void
  GetJacobianOfSpatialJacobian(const InputPointType &          inputPoint,
                               SpatialJacobianType &           sj,
                               JacobianOfSpatialJacobianType & jsj,
                               NonZeroJacobianIndicesType &    nonZeroJacobianIndices) const override
  {
    itkExceptionMacro(<< "Not implemented for WeightedCombinationTransform");
  }
 
 
  void
  GetJacobianOfSpatialHessian(const InputPointType &         inputPoint,
                              JacobianOfSpatialHessianType & jsh,
                              NonZeroJacobianIndicesType &   nonZeroJacobianIndices) const override
  {
    itkExceptionMacro(<< "Not implemented for WeightedCombinationTransform");
  }
 
 
  void
  GetJacobianOfSpatialHessian(const InputPointType &         inputPoint,
                              SpatialHessianType &           sh,
                              JacobianOfSpatialHessianType & jsh,
                              NonZeroJacobianIndicesType &   nonZeroJacobianIndices) const override
  {
    itkExceptionMacro(<< "Not implemented for WeightedCombinationTransform");
  }
 
 
protected:
  WeightedCombinationTransform();
  ~WeightedCombinationTransform() override = default;
 
  TransformContainerType m_TransformContainer;
  double                 m_SumOfWeights;
 
  NonZeroJacobianIndicesType m_NonZeroJacobianIndices;
 
private:
  bool m_NormalizeWeights;
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkWeightedCombinationTransform.hxx"
#endif
 
#endif