itkDeformationFieldJacobianDeterminantFilter.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 __itkDeformationFieldJacobianDeterminantFilter_h
#define __itkDeformationFieldJacobianDeterminantFilter_h

#include "itkImage.h"
#include "vnl/vnl_matrix.h"
#include "vnl/vnl_det.h"

#ifndef ITKV3_COMPATIBILITY
#error "This file is only valid when ITKV3_COMPATIBILITY is turned on.  Users are encouraged to convert to itkDisplacementFieldJacobianDeterminantFilter.h in ITKv4"
#endif

//This class now inherits from itkDisplacementFieldJacobianDeterminantFilter
//and simply overrides the EvaluateAtNeighborhood function.
#include "itkDisplacementFieldJacobianDeterminantFilter.h"

namespace itk
{
template< typename TInputImage,
          typename TRealType = float,
          typename TOutputImage = Image< TRealType,
                                         TInputImage::ImageDimension >
          >
class DeformationFieldJacobianDeterminantFilter:
  public DisplacementFieldJacobianDeterminantFilter< TInputImage, TRealType, TOutputImage >
{
public:
  typedef DeformationFieldJacobianDeterminantFilter Self;
  typedef DisplacementFieldJacobianDeterminantFilter<
    TInputImage, TRealType, TOutputImage > Superclass;

  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(DeformationFieldJacobianDeterminantFilter, DisplacementFieldJacobianDeterminantFilter);

  typedef typename TOutputImage::PixelType OutputPixelType;
  typedef typename TInputImage::PixelType  InputPixelType;

  typedef TInputImage                       InputImageType;
  typedef TOutputImage                      OutputImageType;
  typedef typename InputImageType::Pointer  InputImagePointer;
  typedef typename OutputImageType::Pointer OutputImagePointer;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  itkStaticConstMacro(VectorDimension, unsigned int,
                      InputPixelType::Dimension);

  typedef TRealType RealType;
  typedef Vector< TRealType, InputPixelType::Dimension >
                    RealVectorType;
  typedef Image<
    RealVectorType, TInputImage::ImageDimension >
                    RealVectorImageType;

  typedef ConstNeighborhoodIterator< RealVectorImageType >   ConstNeighborhoodIteratorType;
  typedef typename ConstNeighborhoodIteratorType::RadiusType RadiusType;

  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;

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

  virtual TRealType EvaluateAtNeighborhood(const ConstNeighborhoodIteratorType & it) const;

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

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

  // implemented
};
} // end namespace itk

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

#endif