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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkTransferFunctionBase.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 __itkTransferFunctionBase_h
#define __itkTransferFunctionBase_h
#include "itkFunctionBase.h"
#include "itkArray.h"
namespace itk
{
namespace Statistics
{
template<class ScalarType>
class TransferFunctionBase : public FunctionBase<ScalarType, ScalarType>
{
public:
/** Standard class typedefs. */
typedef TransferFunctionBase Self;
typedef FunctionBase<ScalarType, ScalarType> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(TransferFunctionBase, FunctionBase);
/** Input type */
typedef ScalarType InputType;
/** Output type */
typedef ScalarType OutputType;
typedef Array<ScalarType> ArrayType;
/** Evaluate at the specified input position */
virtual OutputType Evaluate(const InputType& input) const = 0;
/** Evaluate the derivative at the specified input position */
virtual OutputType EvaluateDerivative(const InputType& input) const = 0;
protected:
TransferFunctionBase() {};
~TransferFunctionBase(){};
/** Method to print the object. */
virtual void PrintSelf( std::ostream& os, Indent indent ) const
{
os << indent << "TransferFunctionBase(" << this << ")" << std::endl;
Superclass::PrintSelf( os, indent );
}
private:
TransferFunctionBase(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace Statistics
} // end namespace itk
#endif
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