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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkTernaryMagnitudeSquaredImageFilter.h,v $
Language: C++
Date: $Date: 2007-09-27 11:36:41 $
Version: $Revision: 1.20 $
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 __itkTernaryMagnitudeSquaredImageFilter_h
#define __itkTernaryMagnitudeSquaredImageFilter_h
#include "itkTernaryFunctorImageFilter.h"
namespace itk
{
/** \class TernaryMagnitudeSquaredImageFilter
* \brief Implements pixel-wise addition of three images.
*
* This class is parametrized over the types of the three
* input images and the type of the output image.
* Numeric conversions (castings) are done by the C++ defaults.
*
* \ingroup IntensityImageFilters
*/
namespace Function {
template< class TInput1, class TInput2, class TInput3, class TOutput>
class ModulusSquare3
{
public:
ModulusSquare3() {}
~ModulusSquare3() {}
bool operator!=( const ModulusSquare3 & ) const
{
return false;
}
bool operator==( const ModulusSquare3 & other ) const
{
return !(*this != other);
}
inline TOutput operator()( const TInput1 & A,
const TInput2 & B,
const TInput3 & C)
{ return (TOutput)(A*A + B*B + C*C); }
};
}
template <class TInputImage1, class TInputImage2,
class TInputImage3, class TOutputImage>
class ITK_EXPORT TernaryMagnitudeSquaredImageFilter :
public
TernaryFunctorImageFilter<TInputImage1,TInputImage2,
TInputImage3,TOutputImage,
Function::ModulusSquare3<
typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TInputImage3::PixelType,
typename TOutputImage::PixelType > >
{
public:
/** Standard class typedefs. */
typedef TernaryMagnitudeSquaredImageFilter Self;
typedef TernaryFunctorImageFilter<TInputImage1,TInputImage2,
TInputImage3,TOutputImage,
Function::ModulusSquare3<
typename TInputImage1::PixelType,
typename TInputImage2::PixelType,
typename TInputImage3::PixelType,
typename TOutputImage::PixelType > > Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(TernaryMagnitudeSquaredImageFilter,
TernaryFunctorImageFilter);
protected:
TernaryMagnitudeSquaredImageFilter() {}
virtual ~TernaryMagnitudeSquaredImageFilter() {}
private:
TernaryMagnitudeSquaredImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace itk
#endif
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