itkReinitializeLevelSetImageFilter.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 __itkReinitializeLevelSetImageFilter_h
#define __itkReinitializeLevelSetImageFilter_h

#include "itkLevelSetNeighborhoodExtractor.h"
#include "itkFastMarchingImageFilter.h"

namespace itk
{
template< typename TLevelSet >
class ReinitializeLevelSetImageFilter:
  public ImageToImageFilter< TLevelSet, TLevelSet >
{
public:
  typedef ReinitializeLevelSetImageFilter            Self;
  typedef ImageToImageFilter< TLevelSet, TLevelSet > Superclass;
  typedef SmartPointer< Self >                       Pointer;
  typedef SmartPointer< const Self >                 ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ReinitializeLevelSetImageFilter, ImageToImageFilter);

  typedef LevelSetTypeDefault< TLevelSet >            LevelSetType;
  typedef typename LevelSetType::LevelSetImageType    LevelSetImageType;
  typedef typename LevelSetType::LevelSetPointer      LevelSetPointer;
  typedef typename LevelSetType::LevelSetConstPointer LevelSetConstPointer;
  typedef typename LevelSetType::PixelType            PixelType;
  typedef typename LevelSetType::NodeType             NodeType;
  typedef typename LevelSetType::NodeContainer        NodeContainer;
  typedef typename LevelSetType::NodeContainerPointer NodeContainerPointer;

  itkStaticConstMacro(SetDimension, unsigned int,
                      LevelSetType::SetDimension);

  itkSetMacro(LevelSetValue, double);
  itkGetConstMacro(LevelSetValue, double);

  itkSetMacro(NarrowBanding, bool);
  itkGetConstMacro(NarrowBanding, bool);
  itkBooleanMacro(NarrowBanding);

  itkSetClampMacro( InputNarrowBandwidth, double, 0.0,
                    NumericTraits< double >::max() );
  itkGetConstMacro(InputNarrowBandwidth, double);

  itkSetClampMacro( OutputNarrowBandwidth, double, 0.0,
                    NumericTraits< double >::max() );
  itkGetConstMacro(OutputNarrowBandwidth, double);

  void SetNarrowBandwidth(double value)
  {
    this->SetInputNarrowBandwidth(value);
    this->SetOutputNarrowBandwidth(value);
  }

  void SetInputNarrowBand(NodeContainer *ptr);

  NodeContainerPointer GetInputNarrowBand() const
  { return m_InputNarrowBand; }

  NodeContainerPointer GetOutputNarrowBand() const
  { return m_OutputNarrowBand; }

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( LevelSetDoubleAdditiveOperatorsCheck,
                   ( Concept::AdditiveOperators< PixelType, double > ) );
  itkConceptMacro( LevelSetOStreamWritableCheck,
                   ( Concept::OStreamWritable< PixelType > ) );
  // End concept checking
#endif

protected:
  ReinitializeLevelSetImageFilter();
  ~ReinitializeLevelSetImageFilter(){}
  void PrintSelf(std::ostream & os, Indent indent) const;

  typedef Image< float, itkGetStaticConstMacro(SetDimension) > SpeedImageType;
  typedef LevelSetNeighborhoodExtractor< TLevelSet >           LocatorType;
  typedef FastMarchingImageFilter< TLevelSet, SpeedImageType > FastMarchingImageFilterType;

  void GenerateData();

  virtual void GenerateDataFull();

  virtual void GenerateDataNarrowBand();

  virtual void AllocateOutput();

  virtual void GenerateInputRequestedRegion();

  virtual void EnlargeOutputRequestedRegion(DataObject *);

  void SetOutputNarrowBand(NodeContainer *ptr)
  { m_OutputNarrowBand = ptr; }

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

  double m_LevelSetValue;

  typename LocatorType::Pointer m_Locator;

  typename FastMarchingImageFilterType::Pointer m_Marcher;

  bool                 m_NarrowBanding;
  double               m_InputNarrowBandwidth;
  double               m_OutputNarrowBandwidth;
  NodeContainerPointer m_InputNarrowBand;
  NodeContainerPointer m_OutputNarrowBand;
};
} // namespace itk

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

#endif