itkEllipsoidInteriorExteriorSpatialFunction.h

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 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
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 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#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 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;

  itkGetConstMacro(Center, InputType);
  itkSetMacro(Center, InputType);

  itkGetConstMacro(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.hxx"
#endif

#endif