itkSphereSignedDistanceFunction.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSphereSignedDistanceFunction.h,v $
  Language:  C++
  Date:      $Date: 2009-03-03 15:09:42 $
  Version:   $Revision: 1.8 $

  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 __itkSphereSignedDistanceFunction_h
#define __itkSphereSignedDistanceFunction_h

#include "itkShapeSignedDistanceFunction.h"
#include "itkVector.h"

namespace itk
{

template <typename TCoordRep, unsigned int VSpaceDimension>
class ITK_EXPORT SphereSignedDistanceFunction : 
  public ShapeSignedDistanceFunction< TCoordRep, VSpaceDimension >
{
public:
  typedef SphereSignedDistanceFunction                              Self;
  typedef ShapeSignedDistanceFunction< TCoordRep, VSpaceDimension > Superclass;
  typedef SmartPointer<Self>                                        Pointer;
  typedef SmartPointer<const Self>                                  ConstPointer;

  itkTypeMacro(SphereSignedDistanceFunction, ShapeSignedDistancFunction);

  itkNewMacro( Self );

  typedef typename Superclass::OutputType OutputType;

  typedef typename Superclass::InputType InputType;

  itkStaticConstMacro(SpaceDimension, unsigned int, Superclass::SpaceDimension);

  typedef typename Superclass::CoordRepType CoordRepType;

  typedef typename Superclass::PointType PointType;

  typedef typename Superclass::ParametersType ParametersType;

  virtual void SetParameters( const ParametersType & );
  virtual unsigned int GetNumberOfShapeParameters(void) const
    { return 1; }
  virtual unsigned int GetNumberOfPoseParameters(void) const
    { return SpaceDimension; }

  virtual OutputType Evaluate( const PointType& point ) const;

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

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

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

  typedef Vector<CoordRepType,itkGetStaticConstMacro(SpaceDimension)> VectorType;

  VectorType   m_Translation;
  double       m_Radius;

};

} // end namespace itk


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

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

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

#endif