/usr/include/ITK-4.5/itkRegistrationParameterScalesFromPhysicalShift.hxx is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /*=========================================================================
*
* 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 __itkRegistrationParameterScalesFromPhysicalShift_hxx
#define __itkRegistrationParameterScalesFromPhysicalShift_hxx
#include "itkRegistrationParameterScalesFromPhysicalShift.h"
namespace itk
{
template< typename TMetric >
RegistrationParameterScalesFromPhysicalShift< TMetric >
::RegistrationParameterScalesFromPhysicalShift()
{
}
template< typename TMetric >
void
RegistrationParameterScalesFromPhysicalShift< TMetric >
::ComputeSampleShifts(const ParametersType &deltaParameters, ScalesType &sampleShifts)
{
if (this->GetTransformForward())
{
this->ComputeSampleShiftsInternal<MovingTransformType>(deltaParameters, sampleShifts);
}
else
{
this->ComputeSampleShiftsInternal<FixedTransformType>(deltaParameters, sampleShifts);
}
}
template< typename TMetric >
template< typename TTransform >
void
RegistrationParameterScalesFromPhysicalShift< TMetric >
::ComputeSampleShiftsInternal(const ParametersType &deltaParameters, ScalesType &sampleShifts)
{
typedef typename TTransform::OutputPointType TransformOutputType;
// We save the old parameters and apply the delta parameters to calculate the
// voxel shift. After it is done, we will reset to the old parameters.
TransformBaseTemplate<typename TMetric::MeasureType> *transform = const_cast<TransformBaseTemplate<typename TMetric::MeasureType> *>(this->GetTransform());
const ParametersType oldParameters = transform->GetParameters();
const SizeValueType numSamples = this->m_SamplePoints.size();
VirtualPointType point;
TransformOutputType newMappedVoxel;
// store the old mapped indices to reduce calls to Transform::SetParameters()
std::vector<TransformOutputType> oldMappedVoxels(numSamples);
sampleShifts.SetSize(numSamples);
// compute the indices mapped by the old transform
for (SizeValueType c=0; c<numSamples; c++)
{
point = this->m_SamplePoints[c];
this->template TransformPoint<TransformOutputType>(point, oldMappedVoxels[c]);
}
// Apply the delta parameters to the transform
this->UpdateTransformParameters(deltaParameters);
// compute the indices mapped by the new transform
for (SizeValueType c=0; c<numSamples; c++)
{
point = this->m_SamplePoints[c];
this->template TransformPoint<TransformOutputType>(point, newMappedVoxel);
// find the local shift for each sample point
sampleShifts[c] = newMappedVoxel.EuclideanDistanceTo(oldMappedVoxels[c]);
}
// restore the parameters in the transform
transform->SetParameters(oldParameters);
}
/** Print the information about this class */
template< typename TMetric >
void
RegistrationParameterScalesFromPhysicalShift< TMetric >
::PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
}
} // namespace itk
#endif
|