itkSphereSignedDistanceFunction.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSphereSignedDistanceFunction.h,v $
  Language:  C++
  Date:      $Date: 2004/12/12 22:07:24 $
  Version:   $Revision: 1.5 $

  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;

};

} // namespace itk

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

#endif

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