itkGeodesicActiveContourShapePriorLevelSetImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkGeodesicActiveContourShapePriorLevelSetImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-12-22 13:42:44 $
  Version:   $Revision: 1.4 $

  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 __itkGeodesicActiveContourShapePriorLevelSetImageFilter_h
#define __itkGeodesicActiveContourShapePriorLevelSetImageFilter_h

#include "itkShapePriorSegmentationLevelSetImageFilter.h"
#include "itkGeodesicActiveContourShapePriorLevelSetFunction.h"
#include "itkShapePriorMAPCostFunction.h"

namespace itk {

template <class TInputImage,
          class TFeatureImage,
          class TOutputPixelType = float >
class ITK_EXPORT GeodesicActiveContourShapePriorLevelSetImageFilter
  : public ShapePriorSegmentationLevelSetImageFilter< TInputImage, TFeatureImage, 
                                            TOutputPixelType >
{
public:
  typedef GeodesicActiveContourShapePriorLevelSetImageFilter
                                    Self;
  typedef ShapePriorSegmentationLevelSetImageFilter< 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 typename Superclass::OutputPixelType  OutputPixelType;

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

  
  itkTypeMacro(GeodesicActiveContourShapePriorLevelSetImageFilter, 
    ShapePriorSegmentationLevelSetImageFilter);

  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:
  ~GeodesicActiveContourShapePriorLevelSetImageFilter() {}
  GeodesicActiveContourShapePriorLevelSetImageFilter();

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

  GeodesicActiveContourShapePriorLevelSetImageFilter(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 "itkGeodesicActiveContourShapePriorLevelSetImageFilter.txx"
#endif

#endif