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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkThinPlateSplineKernelTransform.txx,v $
Language: C++
Date: $Date: 2007-10-25 03:55:09 $
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 _itkThinPlateSplineKernelTransform_txx
#define _itkThinPlateSplineKernelTransform_txx
#include "itkThinPlateSplineKernelTransform.h"
namespace itk
{
#if !defined(ITK_LEGACY_REMOVE)
/**
* This method has been deprecated as of ITK 3.6.
* Please use the method: void ComputeG(vector,gmatrix) instead.
*/
template <class TScalarType, unsigned int NDimensions>
const typename ThinPlateSplineKernelTransform<TScalarType, NDimensions>::GMatrixType &
ThinPlateSplineKernelTransform<TScalarType, NDimensions>::
ComputeG( const InputVectorType & ) const
{
itkLegacyReplaceBodyMacro(itkThinPlateSplineKernelTransform::ComputeG_vector,
3.6,itkThinPlateSplineKernelTransform::ComputeG_vector_gmatrix);
return this->m_GMatrix;
}
#endif
template <class TScalarType, unsigned int NDimensions>
void
ThinPlateSplineKernelTransform<TScalarType, NDimensions>::
ComputeG(const InputVectorType & x, GMatrixType & gmatrix) const
{
const TScalarType r = x.GetNorm();
gmatrix.fill( NumericTraits< TScalarType >::Zero );
for(unsigned int i=0; i<NDimensions; i++)
{
gmatrix[i][i] = r;
}
}
template <class TScalarType, unsigned int NDimensions>
void
ThinPlateSplineKernelTransform<TScalarType, NDimensions>::
ComputeDeformationContribution( const InputPointType & thisPoint,
OutputPointType & result ) const
{
unsigned long numberOfLandmarks = this->m_SourceLandmarks->GetNumberOfPoints();
PointsIterator sp = this->m_SourceLandmarks->GetPoints()->Begin();
for(unsigned int lnd=0; lnd < numberOfLandmarks; lnd++ )
{
InputVectorType position = thisPoint - sp->Value();
const TScalarType r = position.GetNorm();
for(unsigned int odim=0; odim < NDimensions; odim++ )
{
result[ odim ] += r * this->m_DMatrix(odim,lnd);
}
++sp;
}
}
} // namespace itk
#endif
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