itkSumLogJacobianDeterminantConstraint.h

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/*=============================================================================

  NifTK: A software platform for medical image computing.

  Copyright (c) University College London (UCL). All rights reserved.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.

  See LICENSE.txt in the top level directory for details.

=============================================================================*/

#ifndef itkSumLogJacobianDeterminantConstraint_h
#define itkSumLogJacobianDeterminantConstraint_h

#include "itkConstraint.h"
#include <itkUCLBSplineTransform.h>

namespace itk
{
  
template <
    class TFixedImage,                   // Templated over the image type.
    class TScalarType,                   // Data type for scalars
    unsigned int NDimensions,            // Number of Dimensions i.e. 2D or 3D
    class TDeformationScalar             // The data type for the vector field
    >            
class ITK_EXPORT SumLogJacobianDeterminantConstraint : 
    public Constraint
{
public:
  typedef SumLogJacobianDeterminantConstraint Self;
  typedef Constraint                          Superclass;
  typedef SmartPointer<Self>                  Pointer;
  typedef SmartPointer<const Self>            ConstPointer;
  typedef Superclass::MeasureType             MeasureType;
  typedef Superclass::DerivativeType          DerivativeType;
  typedef Superclass::ParametersType          ParametersType;

  typedef typename itk::UCLBSplineTransform<TFixedImage, TScalarType, NDimensions, TDeformationScalar > TransformType;
  typedef typename TransformType::Pointer                                                            TransformPointer;

  itkNewMacro(Self);
  
  itkTypeMacro( SumLogJacobianDeterminantConstraint, Constraint );

  virtual MeasureType EvaluateConstraint(const ParametersType & parameters);

  virtual void EvaluateDerivative(const ParametersType & parameters, DerivativeType & derivative ) const;
  
  itkSetObjectMacro( Transform, TransformType );
  itkGetObjectMacro( Transform, TransformType );

protected:
  
  SumLogJacobianDeterminantConstraint();
  virtual ~SumLogJacobianDeterminantConstraint() {};

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

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

  TransformPointer m_Transform;
  
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkSumLogJacobianDeterminantConstraint.txx"
#endif

#endif