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
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 *         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
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#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_TEMPLATE_EXPORT EllipsoidInteriorExteriorSpatialFunction:
  public InteriorExteriorSpatialFunction< VDimension, TInput >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(EllipsoidInteriorExteriorSpatialFunction);

  using Self = EllipsoidInteriorExteriorSpatialFunction;
  using Superclass = InteriorExteriorSpatialFunction< VDimension, TInput >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkTypeMacro(EllipsoidInteriorExteriorSpatialFunction, InteriorExteriorSpatialFunction);

  itkNewMacro(Self);

  using InputType = typename Superclass::InputType;

  using OutputType = typename Superclass::OutputType;

  using OrientationType = vnl_matrix_fixed< double, VDimension, VDimension >;

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

  itkGetConstMacro(Axes, InputType);
  itkSetMacro(Axes, InputType);

  void SetOrientations(const OrientationType &);

  OutputType Evaluate(const InputType & position) const override;

protected:
  EllipsoidInteriorExteriorSpatialFunction();
  ~EllipsoidInteriorExteriorSpatialFunction() override;

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

private:
  InputType m_Center;

  InputType m_Axes;

  double **m_Orientations;
};
} // end namespace itk

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

#endif