itkBSplineSmoothingOnUpdateDisplacementFieldTransform.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 __itkBSplineSmoothingOnUpdateDisplacementFieldTransform_h
#define __itkBSplineSmoothingOnUpdateDisplacementFieldTransform_h

#include "itkDisplacementFieldTransform.h"

#include "itkBSplineScatteredDataPointSetToImageFilter.h"
#include "itkPointSet.h"

namespace itk
{

template<class TScalar, unsigned int NDimensions>
class ITK_EXPORT BSplineSmoothingOnUpdateDisplacementFieldTransform :
  public DisplacementFieldTransform<TScalar, NDimensions>
{
public:
  typedef BSplineSmoothingOnUpdateDisplacementFieldTransform    Self;
  typedef DisplacementFieldTransform<TScalar, NDimensions>      Superclass;
  typedef SmartPointer<Self>                                    Pointer;
  typedef SmartPointer<const Self>                              ConstPointer;

  itkTypeMacro( BSplineSmoothingOnUpdateDisplacementFieldTransform, DisplacementFieldTransform );

  itkNewMacro( Self );

  itkStaticConstMacro( Dimension, unsigned int, NDimensions );

  typedef typename Superclass::ScalarType               ScalarType;
  typedef typename Superclass::DerivativeType           DerivativeType;
  typedef typename DerivativeType::ValueType            DerivativeValueType;
  typedef typename Superclass::DisplacementFieldType    DisplacementFieldType;
  typedef typename Superclass::DisplacementFieldPointer DisplacementFieldPointer;

  typedef typename DisplacementFieldType::PixelType                                         DisplacementVectorType;
  typedef PointSet<DisplacementVectorType, Dimension>                                       PointSetType;
  typedef unsigned int                                                                      SplineOrderType;
  typedef BSplineScatteredDataPointSetToImageFilter<PointSetType, DisplacementFieldType>    BSplineFilterType;
  typedef typename BSplineFilterType::WeightsContainerType                                  WeightsContainerType;
  typedef typename BSplineFilterType::PointDataImageType                                    DisplacementFieldControlPointLatticeType;
  typedef typename BSplineFilterType::ArrayType                                             ArrayType;
  typedef typename ArrayType::ValueType                                                     ArrayValueType;

  virtual void UpdateTransformParameters( DerivativeType & update, ScalarType factor = 1.0 );

  itkSetMacro( SplineOrder, SplineOrderType );

  itkGetConstMacro( SplineOrder, SplineOrderType );

  itkSetMacro( NumberOfControlPointsForTheUpdateField, ArrayType );

  itkGetConstMacro( NumberOfControlPointsForTheUpdateField, ArrayType );

  void SetMeshSizeForTheUpdateField( const ArrayType & );

  itkSetMacro( NumberOfControlPointsForTheTotalField, ArrayType );

  itkGetConstMacro( NumberOfControlPointsForTheTotalField, ArrayType );

  void SetMeshSizeForTheTotalField( const ArrayType & );

protected:
  BSplineSmoothingOnUpdateDisplacementFieldTransform();
  virtual ~BSplineSmoothingOnUpdateDisplacementFieldTransform();

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

   DisplacementFieldPointer BSplineSmoothDisplacementField( const DisplacementFieldType *, const ArrayType & );

private:
  BSplineSmoothingOnUpdateDisplacementFieldTransform( const Self& ); //purposely not implemented
  void operator=( const Self& ); //purposely not implemented

  SplineOrderType             m_SplineOrder;
  ArrayType                   m_NumberOfControlPointsForTheUpdateField;
  ArrayType                   m_NumberOfControlPointsForTheTotalField;
};

} // end namespace itk

#if ITK_TEMPLATE_EXPLICIT
# include "Templates/itkBSplineSmoothingOnUpdateDisplacementFieldTransform+-.h"
#endif

#if ITK_TEMPLATE_TXX
# include "itkBSplineSmoothingOnUpdateDisplacementFieldTransform.hxx"
#endif

#endif // __itkBSplineSmoothingOnUpdateDisplacementFieldTransform_h