itkIsolatedConnectedImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkIsolatedConnectedImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-16 16:45:11 $
  Version:   $Revision: 1.16 $

  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 __itkIsolatedConnectedImageFilter_h
#define __itkIsolatedConnectedImageFilter_h

#include "itkImage.h"
#include "itkImageToImageFilter.h"

namespace itk {

template <class TInputImage, class TOutputImage>
class ITK_EXPORT IsolatedConnectedImageFilter:
    public ImageToImageFilter<TInputImage,TOutputImage>
{
public:
  typedef IsolatedConnectedImageFilter                 Self;
  typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass;
  typedef SmartPointer<Self>                           Pointer;
  typedef SmartPointer<const Self>                     ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(IsolatedConnectedImageFilter,
               ImageToImageFilter);

  typedef TInputImage                           InputImageType;
  typedef typename InputImageType::Pointer      InputImagePointer;
  typedef typename InputImageType::ConstPointer InputImageConstPointer;
  typedef typename InputImageType::RegionType   InputImageRegionType; 
  typedef typename InputImageType::PixelType    InputImagePixelType; 
  typedef typename InputImageType::IndexType    IndexType;
  typedef typename InputImageType::SizeType     SizeType;
  
  typedef TOutputImage                          OutputImageType;
  typedef typename OutputImageType::Pointer     OutputImagePointer;
  typedef typename OutputImageType::RegionType  OutputImageRegionType; 
  typedef typename OutputImageType::PixelType   OutputImagePixelType; 

  typedef std::vector< IndexType > SeedsContainerType;

  typedef typename NumericTraits< 
                InputImagePixelType >::RealType InputRealType;
  

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

  void SetSeed1(const IndexType & seed)
    {
    this->ClearSeeds1();
    this->AddSeed1( seed );
    }

  
  void ClearSeeds1()
    {
    m_Seeds1.clear();
    }


  void AddSeed1(const IndexType & seed)
    {
    m_Seeds1.push_back( seed );
    this->Modified();
    }

  void SetSeed2(const IndexType & seed)
    {
    this->ClearSeeds2();
    this->AddSeed2( seed );
    }

  void ClearSeeds2()
    {
    m_Seeds2.clear();
    }

  void AddSeed2(const IndexType & seed)
    {
    m_Seeds2.push_back( seed );
    this->Modified();
    }

  itkSetMacro(Lower, InputImagePixelType);
  itkGetConstReferenceMacro(Lower, InputImagePixelType);

  itkSetMacro(Upper, InputImagePixelType);
  itkGetConstReferenceMacro(Upper, InputImagePixelType);

  void SetUpperValueLimit( InputImagePixelType upperValue)
    {
    this->SetUpper( upperValue );
    }
  InputImagePixelType GetUpperValueLimit()
    {
    return this->GetUpper();
    }

  itkSetMacro(IsolatedValueTolerance, InputImagePixelType);
  itkGetConstReferenceMacro(IsolatedValueTolerance, InputImagePixelType);

  itkSetMacro(ReplaceValue, OutputImagePixelType);
  itkGetConstReferenceMacro(ReplaceValue, OutputImagePixelType);

  itkGetConstReferenceMacro(IsolatedValue, InputImagePixelType);

  itkSetMacro(FindUpperThreshold,bool);
  itkBooleanMacro(FindUpperThreshold);
  itkGetConstReferenceMacro(FindUpperThreshold,bool);

  itkGetConstReferenceMacro(ThresholdingFailed, bool);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(InputHasNumericTraitsCheck,
                  (Concept::HasNumericTraits<InputImagePixelType>));

#endif

protected:
  IsolatedConnectedImageFilter();
  ~IsolatedConnectedImageFilter(){};
  SeedsContainerType   m_Seeds1;
  SeedsContainerType   m_Seeds2;
  InputImagePixelType  m_Lower;
  InputImagePixelType  m_Upper;
  OutputImagePixelType m_ReplaceValue;
  InputImagePixelType  m_IsolatedValue;
  InputImagePixelType  m_IsolatedValueTolerance;
  bool                 m_FindUpperThreshold;
  bool                 m_ThresholdingFailed;
  
  // Override since the filter needs all the data for the algorithm
  void GenerateInputRequestedRegion();

  // Override since the filter produces the entire dataset
  void EnlargeOutputRequestedRegion(DataObject *output);

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

};

} // end namespace itk

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

#endif