itkShapeSignedDistanceFunction.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 __itkShapeSignedDistanceFunction_h
#define __itkShapeSignedDistanceFunction_h

#include "itkSpatialFunction.h"
#include "itkOptimizerParameters.h"

namespace itk
{
template< typename TCoordRep, unsigned int VSpaceDimension >
class ShapeSignedDistanceFunction:
  public SpatialFunction< double, VSpaceDimension, Point< TCoordRep, VSpaceDimension > >
{
public:
  typedef ShapeSignedDistanceFunction Self;
  typedef SpatialFunction< double, VSpaceDimension,
                           Point< TCoordRep, VSpaceDimension > > Superclass;

  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  itkTypeMacro(ShapeSignedDistanceFunction, SpatialFunction);

  typedef typename Superclass::OutputType OutputType;

  typedef typename Superclass::InputType InputType;

  itkStaticConstMacro(SpaceDimension, unsigned int, VSpaceDimension);

  typedef TCoordRep CoordRepType;

  typedef InputType PointType;

  typedef OptimizerParameters< double > ParametersType;

  virtual void SetParameters(const ParametersType &) = 0;

  virtual ParametersType & GetParameters(void)
  { return m_Parameters; }
  virtual unsigned int GetNumberOfShapeParameters(void) const = 0;

  virtual unsigned int GetNumberOfPoseParameters(void) const = 0;

  virtual unsigned int GetNumberOfParameters(void) const
  { return this->GetNumberOfShapeParameters() + this->GetNumberOfPoseParameters(); }

  virtual OutputType Evaluate(const PointType & point) const = 0;

  virtual void Initialize()
  throw ( ExceptionObject ) {}

protected:

  ShapeSignedDistanceFunction() {}

  ~ShapeSignedDistanceFunction(){}

  void PrintSelf(std::ostream & os, Indent indent) const
  {
    Superclass::PrintSelf(os, indent);
//FIX    os << indent << "Parameters: " << m_Parameters << std::endl;
  }

  ParametersType m_Parameters;

private:
  ShapeSignedDistanceFunction(const Self &); //purposely not implemented
  void operator=(const Self &);              //purposely not implemented
};
} // end namespace itk

#endif