itkEllipsoidInteriorExteriorSpatialFunction.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkEllipsoidInteriorExteriorSpatialFunction.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:29:06 $
  Version:   $Revision: 1.16 $

  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 __itkEllipsoidInteriorExteriorSpatialFunction_h
#define __itkEllipsoidInteriorExteriorSpatialFunction_h

#include "itkInteriorExteriorSpatialFunction.h"
#include "vnl/vnl_matrix_fixed.h"

namespace itk
{

template <unsigned int VDimension = 3,
          typename TInput = Point<double, VDimension> >
class ITK_EXPORT EllipsoidInteriorExteriorSpatialFunction
: public InteriorExteriorSpatialFunction<VDimension, TInput>
{
public:
  typedef EllipsoidInteriorExteriorSpatialFunction Self;
  typedef InteriorExteriorSpatialFunction<VDimension, TInput> Superclass;
  typedef SmartPointer<Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer; 
      
  itkTypeMacro(EllipsoidInteriorExteriorSpatialFunction,InteriorExteriorSpatialFunction);

  itkNewMacro(Self);
  
  typedef typename Superclass::InputType InputType;

  typedef typename Superclass::OutputType OutputType;

  typedef vnl_matrix_fixed<double, VDimension, VDimension> OrientationType;
   
  itkGetMacro(Center, InputType);
  itkSetMacro(Center, InputType);
  
  itkGetMacro(Axes, InputType);
  itkSetMacro(Axes, InputType);
  
  void SetOrientations(const OrientationType &);

  OutputType Evaluate(const InputType& position) const;
     
protected:
  EllipsoidInteriorExteriorSpatialFunction();
  virtual ~EllipsoidInteriorExteriorSpatialFunction();

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

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

  InputType m_Center;

  InputType m_Axes;

  double ** m_Orientations;
};

} // end namespace itk

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

#endif

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