itkBinaryMaskToNarrowBandPointSetFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkBinaryMaskToNarrowBandPointSetFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-07 17:31:02 $
  Version:   $Revision: 1.6 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkBinaryMaskToNarrowBandPointSetFilter_h
#define __itkBinaryMaskToNarrowBandPointSetFilter_h

#include "itkImageToMeshFilter.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "itkImageRegionConstIteratorWithIndex.h"
#include "itkReinitializeLevelSetImageFilter.h"
#include "itkRescaleIntensityImageFilter.h"

namespace itk
{

template <class TInputImage, class TOutputMesh>
class ITK_EXPORT BinaryMaskToNarrowBandPointSetFilter : 
    public ImageToMeshFilter<TInputImage,TOutputMesh>
{
public:
  typedef BinaryMaskToNarrowBandPointSetFilter  Self;
  typedef ProcessObject                         Superclass;
  typedef SmartPointer<Self>                    Pointer;
  typedef SmartPointer<const Self>              ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(BinaryMaskToNarrowBandPointSetFilter, ImageToMeshFilter);

  typedef TInputImage                               InputImageType;
  typedef typename InputImageType::ConstPointer     InputImageConstPointer;
  typedef typename InputImageType::RegionType       InputImageRegionType; 
  typedef typename InputImageType::PixelType        InputImagePixelType; 

  typedef ImageRegionConstIteratorWithIndex<InputImageType> InputImageIterator;

  typedef TOutputMesh                                 OutputMeshType;
  typedef typename OutputMeshType::PointType          PointType;
  typedef typename OutputMeshType::Pointer            OutputMeshPointer;
  typedef typename OutputMeshType::ConstPointer       OutputMeshConstPointer;
  typedef typename OutputMeshType::PointsContainer    PointsContainer; 
  typedef typename OutputMeshType::PointIdentifier    PointIdentifier; 
  typedef typename PointsContainer::Pointer           PointsContainerPointer;
  typedef typename PointsContainer::Iterator          PointsContainerIterator;
  typedef typename OutputMeshType::PointDataContainer PointDataContainer; 
  typedef typename PointDataContainer::Pointer        PointDataContainerPointer;
  typedef typename PointDataContainer::Iterator       PointDataContainerIterator;


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


  typedef itk::Image< float, 
                itkGetStaticConstMacro(ImageDimension) >   RealImageType;

  typedef ReinitializeLevelSetImageFilter< RealImageType >  DistanceFilterType;
  typedef typename DistanceFilterType::Pointer              DistanceFilterPointer; 
  typedef typename DistanceFilterType::NodeContainerPointer NodeContainerPointer;
  typedef typename DistanceFilterType::NodeContainer        NodeContainer;
  typedef typename NodeContainer::Element                   NodeType;


  typedef RescaleIntensityImageFilter< InputImageType, RealImageType > RescaleFilterType;

  typedef typename RescaleFilterType::Pointer         RescaleFilterPointer;

  itkStaticConstMacro(PointDimension, unsigned int,
                      TOutputMesh::PointDimension);

  void GenerateData(void);

  void GenerateOutputInformation(void);

  void SetInput( const InputImageType * inputImage );

  itkSetMacro( BandWidth, float );
  itkGetMacro( BandWidth, float );

protected:
  BinaryMaskToNarrowBandPointSetFilter();
  ~BinaryMaskToNarrowBandPointSetFilter();
  void PrintSelf(std::ostream& os, Indent indent) const;
 
private:
  BinaryMaskToNarrowBandPointSetFilter(const BinaryMaskToNarrowBandPointSetFilter&); //purposely not implemented
  void operator=(const BinaryMaskToNarrowBandPointSetFilter&); //purposely not implemented

  DistanceFilterPointer   m_DistanceFilter;
  RescaleFilterPointer    m_RescaleFilter;

  float                   m_BandWidth;

};

} // end namespace itk

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

#endif