itkSphereSignedDistanceFunction.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
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  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 __itkSphereSignedDistanceFunction_h
#define __itkSphereSignedDistanceFunction_h

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

namespace itk
{
template< typename TCoordRep, unsigned int VSpaceDimension >
class 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

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

#endif