itkAnnulusOperator.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkAnnulusOperator.h,v $
  Language:  C++
  Date:      $Date: 2008-01-07 13:33:59 $
  Version:   $Revision: 1.10 $

  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 __itkAnnulusOperator_h
#define __itkAnnulusOperator_h

#include "itkExceptionObject.h"
#include "itkNeighborhoodOperator.h"
#include "itkVector.h"

namespace itk {

template<class TPixel, unsigned int TDimension=2,
  class TAllocator = NeighborhoodAllocator<TPixel> >
class ITK_EXPORT AnnulusOperator
  : public NeighborhoodOperator<TPixel, TDimension, TAllocator>
{
public:

  typedef AnnulusOperator                                       Self;
  typedef NeighborhoodOperator<TPixel, TDimension, TAllocator>  Superclass;

  typedef typename Superclass::SizeType      SizeType;
  typedef typename Superclass::SizeValueType SizeValueType;
  typedef typename Superclass::OffsetType    OffsetType;
  typedef Vector<double, TDimension>         SpacingType;

  itkTypeMacro(AnnulusOperator, NeighborhoodOperator);
  
  AnnulusOperator()
    : NeighborhoodOperator<TPixel, TDimension, TAllocator>(),
      m_Normalize(false), m_BrightCenter(false),
      m_InteriorValue(NumericTraits<PixelType>::Zero),
      m_AnnulusValue(NumericTraits<PixelType>::One),
      m_ExteriorValue(NumericTraits<PixelType>::Zero)
    { m_Spacing.Fill(1.0); }

  AnnulusOperator(const Self& other)
    : NeighborhoodOperator<TPixel, TDimension, TAllocator>(other)
    {
    m_InnerRadius = other.m_InnerRadius;
    m_Thickness = other.m_Thickness;
    m_Spacing = other.m_Spacing;
    m_InteriorValue = other.m_InteriorValue;
    m_AnnulusValue = other.m_AnnulusValue;
    m_ExteriorValue = other.m_ExteriorValue;
    m_Normalize = other.m_Normalize;
    m_BrightCenter = other.m_BrightCenter;
    }

  void CreateOperator();  

  void SetInnerRadius(double r)
    { m_InnerRadius = r; }
  double GetInnerRadius() const
    { return m_InnerRadius; }

  void SetThickness(double t)
    { m_Thickness = t; }
  double GetThickness() const
    { return m_Thickness; }

  void SetSpacing(SpacingType &s)
    { m_Spacing = s; }
  const SpacingType& GetSpacing() const
    { return m_Spacing; }

  void SetNormalize(bool b)
    { m_Normalize = b; }
  bool GetNormalize() const
    { return m_Normalize; }
  void NormalizeOn()
    { this->SetNormalize(true); }
  void NormalizeOff()
    { this->SetNormalize(false); }

  void SetBrightCenter(bool b)
    { m_BrightCenter = b; }
  bool GetBrightCenter() const
    { return m_BrightCenter; }
  void BrightCenterOn()
    { this->SetBrightCenter(true); }
  void BrightCenterOff()
    { this->SetBrightCenter(false); }

  void SetInteriorValue(TPixel v)
    { m_InteriorValue = v; }
  TPixel GetInteriorValue() const
    { return m_InteriorValue; }
  void SetAnnulusValue(TPixel v)
    { m_AnnulusValue = v; }
  TPixel GetAnnulusValue() const
    { return m_AnnulusValue; }
  void SetExteriorValue(TPixel v)
    { m_ExteriorValue = v; }
  TPixel GetExteriorValue() const
    { return m_ExteriorValue; }

  Self &operator=(const Self& other)
    {
    Superclass::operator=(other);
    m_InnerRadius = other.m_InnerRadius;
    m_Thickness = other.m_Thickness;
    m_Spacing = other.m_Spacing;
    m_InteriorValue = other.m_InteriorValue;
    m_AnnulusValue = other.m_AnnulusValue;
    m_ExteriorValue = other.m_ExteriorValue;
    m_Normalize = other.m_Normalize;
    m_BrightCenter = other.m_BrightCenter;
    return *this;
    }

  virtual void PrintSelf(std::ostream &os, Indent i) const  
    { 
    os << i << "AnnulusOperator { this=" << this
       << ", m_InnerRadius = " << m_InnerRadius
       << ", m_Thickness = " << m_Thickness
       << ", m_Spacing = " << m_Spacing
       << ", m_Normalize = " << m_Normalize
       << ", m_BrightCenter = " << m_BrightCenter
       << ", m_InteriorValue = " << m_InteriorValue
       << ", m_ExteriorValue = " << m_ExteriorValue
       << "}" << std::endl;
    Superclass::PrintSelf(os, i.GetNextIndent());
    }

protected:
  
  typedef typename Superclass::CoefficientVector CoefficientVector;
  typedef typename Superclass::PixelType         PixelType;

  CoefficientVector GenerateCoefficients();

  void Fill(const CoefficientVector &c);

private:

  double      m_InnerRadius;
  double      m_Thickness;
  bool        m_Normalize;
  bool        m_BrightCenter;
  PixelType   m_InteriorValue;
  PixelType   m_AnnulusValue;
  PixelType   m_ExteriorValue;
  SpacingType m_Spacing;
};

} // namespace itk


// Define instantiation macro for this template.
#define ITK_TEMPLATE_AnnulusOperator(_, EXPORT, x, y) namespace itk { \
  _(2(class EXPORT AnnulusOperator< ITK_TEMPLATE_2 x >)) \
  namespace Templates { typedef AnnulusOperator< ITK_TEMPLATE_2 x > \
                                                  AnnulusOperator##y; } \
  }

#if ITK_TEMPLATE_EXPLICIT
# include "Templates/itkAnnulusOperator+-.h"
#endif

#if ITK_TEMPLATE_TXX
# include "itkAnnulusOperator.txx"
#endif

#endif

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