itkShiSparseLevelSetImage.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 __itkShiSparseLevelSetImage_h
#define __itkShiSparseLevelSetImage_h

#include "itkLevelSetSparseImageBase.h"

namespace itk
{
template< unsigned int VDimension >
class ShiSparseLevelSetImage :
    public LevelSetSparseImageBase< int8_t, VDimension >
{
public:
  typedef ShiSparseLevelSetImage                  Self;
  typedef SmartPointer< Self >                    Pointer;
  typedef SmartPointer< const Self >              ConstPointer;
  typedef LevelSetSparseImageBase< int8_t, VDimension >
                                                  Superclass;

  itkNewMacro(Self);

  itkTypeMacro(ShiSparseLevelSetImage, LevelSetSparseImageBase);

  itkStaticConstMacro ( Dimension, unsigned int, VDimension );

  typedef typename Superclass::InputType        InputType;
  typedef typename Superclass::OutputType       OutputType;
  typedef typename Superclass::OutputRealType   OutputRealType;
  typedef typename Superclass::GradientType     GradientType;
  typedef typename Superclass::HessianType      HessianType;
  typedef typename Superclass::LevelSetDataType LevelSetDataType;

  typedef typename Superclass::LayerIdType            LayerIdType;
  typedef typename Superclass::LabelObjectType        LabelObjectType;
  typedef typename Superclass::LabelObjectPointer     LabelObjectPointer;
  typedef typename Superclass::LabelObjectLengthType  LabelObjectLengthType;
  typedef typename Superclass::LabelObjectLineType    LabelObjectLineType;

  typedef typename Superclass::LabelMapType     LabelMapType;
  typedef typename Superclass::LabelMapPointer  LabelMapPointer;
  typedef typename Superclass::RegionType       RegionType;

  typedef typename Superclass::LayerType          LayerType;
  typedef typename Superclass::LayerIterator      LayerIterator;
  typedef typename Superclass::LayerConstIterator LayerConstIterator;

  typedef typename Superclass::LayerMapType           LayerMapType;
  typedef typename Superclass::LayerMapIterator       LayerMapIterator;
  typedef typename Superclass::LayerMapConstIterator  LayerMapConstIterator;

  using Superclass::Evaluate;
  virtual OutputType Evaluate( const InputType& iP ) const;

  virtual HessianType EvaluateHessian( const InputType& iP ) const;

  virtual OutputRealType EvaluateLaplacian( const InputType& iP ) const;

  virtual OutputRealType EvaluateMeanCurvature( const InputType& iP ) const;

  virtual void EvaluateHessian( const InputType& iP, LevelSetDataType& ioData ) const;
  virtual void EvaluateLaplacian( const InputType& iP, LevelSetDataType& ioData ) const;
  virtual void EvaluateMeanCurvature( const InputType& iP, LevelSetDataType& ioData ) const;

  static inline LayerIdType MinusThreeLayer() { return -3; }
  static inline LayerIdType MinusOneLayer() { return -1; }
  static inline LayerIdType PlusOneLayer() { return 1; }
  static inline LayerIdType PlusThreeLayer() { return 3; }

protected:

  ShiSparseLevelSetImage();

  virtual ~ShiSparseLevelSetImage();

  virtual void InitializeLayers();

  virtual void InitializeInternalLabelList();

private:

  ShiSparseLevelSetImage( const Self& ); //purposely not implemented
  void operator = ( const Self& ); //purposely not implemented
};
}

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

#endif // __itkShiSparseLevelSetImage_h