itkGeodesicActiveContourLevelSetImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkGeodesicActiveContourLevelSetImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-12-21 19:13:12 $
  Version:   $Revision: 1.11 $

  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 __itkGeodesicActiveContourLevelSetImageFilter_h
#define __itkGeodesicActiveContourLevelSetImageFilter_h

#include "itkSegmentationLevelSetImageFilter.h"
#include "itkGeodesicActiveContourLevelSetFunction.h"

namespace itk {

template <class TInputImage,
          class TFeatureImage,
          class TOutputPixelType = float >
class ITK_EXPORT GeodesicActiveContourLevelSetImageFilter
  : public SegmentationLevelSetImageFilter< TInputImage, TFeatureImage, 
                                            TOutputPixelType>
{
public:
  typedef GeodesicActiveContourLevelSetImageFilter
                                    Self;
  typedef SegmentationLevelSetImageFilter< TInputImage, TFeatureImage, 
                                           TOutputPixelType>
                                    Superclass;
  typedef SmartPointer<Self>        Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  typedef typename Superclass::ValueType        ValueType;
  typedef typename Superclass::OutputImageType  OutputImageType;
  typedef typename Superclass::FeatureImageType FeatureImageType;

  typedef GeodesicActiveContourLevelSetFunction<OutputImageType,
                                                FeatureImageType > GeodesicActiveContourFunctionType;
  typedef typename GeodesicActiveContourFunctionType::Pointer
  GeodesicActiveContourFunctionPointer;

  itkTypeMacro(GeodesicActiveContourLevelSetImageFilter, SegmentationLevelSetImageFilter);

  itkNewMacro(Self);

  void SetDerivativeSigma( float value )
    { 
    if ( value != m_GeodesicActiveContourFunction->GetDerivativeSigma() )
      {
      m_GeodesicActiveContourFunction->SetDerivativeSigma( value );
      this->Modified();
      }
    }

  float GetDerivativeSigma() const
    { return m_GeodesicActiveContourFunction->GetDerivativeSigma(); }

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

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

  GeodesicActiveContourLevelSetImageFilter(const Self &); // purposely not implemented
  void operator=(const Self&); //purposely not implemented

  void GenerateData();

private:
  GeodesicActiveContourFunctionPointer m_GeodesicActiveContourFunction;
};

} // end namespace itk

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

#endif