/usr/include/ITK-4.5/itkVolumeSplineKernelTransform.hxx is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef __itkVolumeSplineKernelTransform_hxx
#define __itkVolumeSplineKernelTransform_hxx
#include "itkVolumeSplineKernelTransform.h"
namespace itk
{
template< typename TScalar, unsigned int NDimensions >
void
VolumeSplineKernelTransform< TScalar, NDimensions >::ComputeG(const InputVectorType & x,
GMatrixType & gmatrix) const
{
const TScalar r = x.GetNorm();
gmatrix.fill(NumericTraits< TScalar >::Zero);
const TScalar r3 = r * r * r;
for ( unsigned int i = 0; i < NDimensions; i++ )
{
gmatrix[i][i] = r3;
}
}
template< typename TScalar, unsigned int NDimensions >
void
VolumeSplineKernelTransform< TScalar, 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 TScalar r = position.GetNorm();
const TScalar r3 = r * r * r;
for ( unsigned int odim = 0; odim < NDimensions; odim++ )
{
result[odim] += r3 * this->m_DMatrix(odim, lnd);
}
++sp;
}
}
} // namespace itk
#endif
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