itkSpatialFunction.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 __itkSpatialFunction_h
#define __itkSpatialFunction_h

#include "itkFunctionBase.h"
#include "itkPoint.h"

namespace itk
{
template< typename TOutput,
          unsigned int VImageDimension = 3,
          typename TInput = Point< double, VImageDimension > >
class SpatialFunction:public FunctionBase< TInput, TOutput >
{
public:
  typedef SpatialFunction                 Self;
  typedef FunctionBase< TInput, TOutput > Superclass;
  typedef SmartPointer< Self >            Pointer;
  typedef SmartPointer< const Self >      ConstPointer;

  itkTypeMacro(SpatialFunction, FunctionBase);

  typedef typename Superclass::InputType InputType;

  typedef typename Superclass::OutputType OutputType;

  itkStaticConstMacro(ImageDimension, unsigned int, VImageDimension);

  virtual OutputType Evaluate(const InputType & input) const = 0;

protected:
  SpatialFunction();
  virtual ~SpatialFunction();
  void PrintSelf(std::ostream & os, Indent indent) const;

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

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

#endif