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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkBSplineResampleImageFunction.h,v $
Language: C++
Date: $Date: 2007-09-27 11:36:40 $
Version: $Revision: 1.9 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.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 __itkBSplineResampleImageFunction_h
#define __itkBSplineResampleImageFunction_h
#include "itkBSplineInterpolateImageFunction.h"
namespace itk
{
/** \class BSplineResampleImageFunction
* \brief Resample image intensity from a BSpline coefficient image.
*
* This class resample the image intensity at a non-integer position
* from the input BSpline coefficient image.
*
* Spline order may be from 0 to 5.
*
* In ITK, BSpline coefficient can be generated using a
* BSplineDecompositionImageFilter. Using this image function in
* conjunction with ResampleImageFunction allows the reconstruction
* of the original image at different resolution and size.
*
* \sa BSplineInterpolateImageFunction
* \sa BSplineDecompositionImageFilter
* \sa ResampleImageFilter
*
* \ingroup ImageFunctions
*/
template <class TImageType, class TCoordRep = float>
class ITK_EXPORT BSplineResampleImageFunction :
public BSplineInterpolateImageFunction<
TImageType,TCoordRep,ITK_TYPENAME TImageType::PixelType >
{
public:
/** Standard class typedefs. */
typedef BSplineResampleImageFunction Self;
typedef BSplineInterpolateImageFunction<
TImageType,TCoordRep, ITK_TYPENAME TImageType::PixelType > Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(BSplineResampleImageFunction,
BSplineInterpolateImageFunction);
/** New macro for creation of through a Smart Pointer */
itkNewMacro( Self );
/** Set the input image representing the BSplineCoefficients */
virtual void SetInputImage(const TImageType * inputData)
{
// bypass my superclass
this->InterpolateImageFunction<TImageType,TCoordRep>::SetInputImage(inputData);
this->m_Coefficients = inputData;
if ( this->m_Coefficients.IsNotNull() )
{
this->m_DataLength = this->m_Coefficients->GetBufferedRegion().GetSize();
}
}
protected:
BSplineResampleImageFunction() {};
virtual ~BSplineResampleImageFunction() {};
void PrintSelf(std::ostream& os, Indent indent) const
{
this->Superclass::PrintSelf( os, indent );
}
private:
BSplineResampleImageFunction(const Self&);//purposely not implemented
};
} // namespace itk
#endif
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