itkBinaryMaskToNarrowBandPointSetFilter.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 __itkBinaryMaskToNarrowBandPointSetFilter_h
#define __itkBinaryMaskToNarrowBandPointSetFilter_h

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

namespace itk
{
template< typename TInputImage, typename TOutputMesh >
class BinaryMaskToNarrowBandPointSetFilter:
  public ImageToMeshFilter< TInputImage, TOutputMesh >
{
public:
  typedef BinaryMaskToNarrowBandPointSetFilter Self;

  typedef ImageToMeshFilter< TInputImage, TOutputMesh >  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);

  using Superclass::SetInput;
  void SetInput(const InputImageType *inputImage);

  itkSetMacro(BandWidth, float);
  itkGetConstMacro(BandWidth, float);

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

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

  DistanceFilterPointer m_DistanceFilter;
  RescaleFilterPointer  m_RescaleFilter;

  float m_BandWidth;
};
} // end namespace itk

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

#endif