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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkRadialBasisFunctionBase.h
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkRadialBasisFunctionBase_h
#define __itkRadialBasisFunctionBase_h
#include "itkFunctionBase.h"
#include "itkArray.h"
namespace itk
{
namespace Statistics
{
template<class ScalarType>
class RadialBasisFunctionBase : public FunctionBase<ScalarType,ScalarType>
{
public:
/** Standard class typedefs. */
typedef RadialBasisFunctionBase Self;
typedef FunctionBase<ScalarType,ScalarType> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(RadialBasisFunctionBase, FunctionBase);
/** Input/Output types */
typedef Array<ScalarType> ArrayType;
///** Evaluate at the specified input position */
virtual ScalarType Evaluate(const ScalarType& input) const=0;
/** Evaluate the derivative at the specified input position */
virtual ScalarType EvaluateDerivative(const ScalarType& dist, const ArrayType& input,
char mode,int element_id=0) const=0;
itkSetMacro(Radius,ScalarType);
itkGetConstMacro( Radius, ScalarType );
itkSetMacro(Center,ArrayType);
itkGetConstMacro(Center, ArrayType );
protected:
RadialBasisFunctionBase()
{
m_Radius = 0;
}
~RadialBasisFunctionBase() {};
/** Method to print the object. */
virtual void PrintSelf( std::ostream& os, Indent indent ) const
{
os << indent << "RadialBasisFunctionBase(" << this << ")" << std::endl;
Superclass::PrintSelf( os, indent );
}
private:
ArrayType m_Center;
ScalarType m_Radius;
RadialBasisFunctionBase(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace Statistics
} // end namespace itk
#endif
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