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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkCompose3DVectorImageFilter.h,v $
Language: C++
Date: $Date: 2007-09-27 11:36:40 $
Version: $Revision: 1.5 $
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 __itkCompose3DVectorImageFilter_h
#define __itkCompose3DVectorImageFilter_h
#include "itkTernaryFunctorImageFilter.h"
#include "itkVector.h"
/** \class Compose3DVectorImageFilter
* \brief Implements pixel-wise composition of an 3D vector pixel from three scalar images.
*
* This filter receives three scalar images as input. Each image
* containing one of the 3D vector components. The filter produces as
* output a 3D vector image in which the three components have been
* unified. The Component type is preserved from the PixelType of the
* input images.
*
* \ingroup IntensityImageFilters
*/
namespace itk
{
namespace Function {
template< class TInput >
class Compose3DVector
{
public:
typedef Vector<TInput,3> OutputType;
Compose3DVector() {}
~Compose3DVector() {}
bool operator!=( const Compose3DVector & ) const
{
return false;
}
bool operator==( const Compose3DVector & other ) const
{
return !(*this != other);
}
inline OutputType operator()( const TInput & s1,
const TInput & s2,
const TInput & s3)
{
OutputType v;
v[0] = s1;
v[1] = s2;
v[2] = s3;
return v;
}
};
}
template <typename TInputImage,
typename TOutputImage=
Image< Vector< ITK_TYPENAME TInputImage::PixelType,3 >,
::itk::GetImageDimension<TInputImage>::ImageDimension > >
class ITK_EXPORT Compose3DVectorImageFilter :
public
TernaryFunctorImageFilter<TInputImage,TInputImage,
TInputImage,TOutputImage,
Function::Compose3DVector< ITK_TYPENAME TInputImage::PixelType > >
{
public:
/** Standard class typedefs. */
typedef Compose3DVectorImageFilter Self;
typedef TernaryFunctorImageFilter<TInputImage,TInputImage,TInputImage,
TOutputImage,
Function::Compose3DVector<
ITK_TYPENAME TInputImage::PixelType >
> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
typedef typename Superclass::OutputImageType OutputImageType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(Compose3DVectorImageFilter,
TernaryFunctorImageFilter);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(InputHasNumericTraitsCheck,
(Concept::HasNumericTraits<typename TInputImage::PixelType>));
/** End concept checking */
#endif
protected:
Compose3DVectorImageFilter() {}
virtual ~Compose3DVectorImageFilter() {}
private:
Compose3DVectorImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace itk
#endif
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