itkExtensionVelocitiesImageFilter.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 __itkExtensionVelocitiesImageFilter_h
#define __itkExtensionVelocitiesImageFilter_h

#include "itkLevelSetVelocityNeighborhoodExtractor.h"
#include "itkFastMarchingExtensionImageFilter.h"
#include "itkReinitializeLevelSetImageFilter.h"

namespace itk
{
template<
  typename TLevelSet,
  typename TAuxValue = float,
  unsigned int VAuxDimension = 1
  >
class ExtensionVelocitiesImageFilter:
  public ReinitializeLevelSetImageFilter< TLevelSet >
{
public:

  typedef ExtensionVelocitiesImageFilter               Self;
  typedef ReinitializeLevelSetImageFilter< TLevelSet > Superclass;
  typedef SmartPointer< Self >                         Pointer;
  typedef SmartPointer< const Self >                   ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ExtensionVelocitiesImageFilter, ReinitializeLevelSetImageFilter);

  typedef LevelSetTypeDefault< TLevelSet >            LevelSetType;
  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);

  typedef AuxVarTypeDefault< TAuxValue, VAuxDimension,
                             itkGetStaticConstMacro(SetDimension) >
  AuxVarType;
  typedef typename AuxVarType::AuxValueType         AuxValueType;
  typedef typename AuxVarType::AuxValueVectorType   AuxValueVectorType;
  typedef typename AuxVarType::AuxValueContainer    AuxValueContainer;
  typedef typename AuxVarType::AuxImageType         AuxImageType;
  typedef typename AuxVarType::AuxImagePointer      AuxImagePointer;
  typedef typename AuxVarType::AuxImageConstPointer AuxImageConstPointer;

  itkStaticConstMacro(AuxDimension, unsigned int, VAuxDimension);

  void SetInputVelocityImage(const AuxImageType *ptr, unsigned int idx = 0);

  const AuxImageType * GetInputVelocityImage(unsigned int idx = 0);

  AuxImageType * GetOutputVelocityImage(unsigned int idx = 0);

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( AuxValueHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< TAuxValue > ) );
  itkConceptMacro( LevelSetOStreamWritableCheck,
                   ( Concept::OStreamWritable< PixelType > ) );
  // End concept checking
#endif

protected:
  ExtensionVelocitiesImageFilter();
  ~ExtensionVelocitiesImageFilter(){}

  virtual void GenerateDataFull();

  virtual void GenerateDataNarrowBand();

  virtual void AllocateOutput();

  virtual void EnlargeOutputRequestedRegion(DataObject *);

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

  typedef Image< float, itkGetStaticConstMacro(SetDimension) > SpeedImageType;

  typedef LevelSetVelocityNeighborhoodExtractor< TLevelSet, TAuxValue, VAuxDimension > LocatorType;
  typedef FastMarchingExtensionImageFilter< TLevelSet, TAuxValue, VAuxDimension,
                                            SpeedImageType > FastMarchingImageFilterType;

  typename LocatorType::Pointer m_Locator;

  typename FastMarchingImageFilterType::Pointer m_Marcher;
};
} // namespace itk

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

#endif