/usr/include/ITK-4.9/itkSegmentationLevelSetFunction.hxx is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
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 itkSegmentationLevelSetFunction_hxx
#define itkSegmentationLevelSetFunction_hxx
#include "itkSegmentationLevelSetFunction.h"
namespace itk
{
template< typename TImageType, typename TFeatureImageType >
void SegmentationLevelSetFunction< TImageType, TFeatureImageType >
::SetSpeedImage(ImageType *s)
{
m_SpeedImage = s;
m_Interpolator->SetInputImage(m_SpeedImage);
}
template< typename TImageType, typename TFeatureImageType >
void SegmentationLevelSetFunction< TImageType, TFeatureImageType >
::SetAdvectionImage(VectorImageType *s)
{
m_AdvectionImage = s;
m_VectorInterpolator->SetInputImage(m_AdvectionImage);
}
template< typename TImageType, typename TFeatureImageType >
void SegmentationLevelSetFunction< TImageType, TFeatureImageType >
::ReverseExpansionDirection()
{
this->SetPropagationWeight( -1.0 * this->GetPropagationWeight() );
this->SetAdvectionWeight( -1.0 * this->GetAdvectionWeight() );
}
template< typename TImageType, typename TFeatureImageType >
void SegmentationLevelSetFunction< TImageType, TFeatureImageType >
::Initialize(const RadiusType & r)
{
Superclass::Initialize(r);
}
template< typename TImageType, typename TFeatureImageType >
void SegmentationLevelSetFunction< TImageType, TFeatureImageType >
::AllocateSpeedImage()
{
m_SpeedImage->SetRequestedRegion( m_FeatureImage->GetRequestedRegion() );
m_SpeedImage->SetBufferedRegion( m_FeatureImage->GetBufferedRegion() );
m_SpeedImage->SetLargestPossibleRegion( m_FeatureImage->GetLargestPossibleRegion() );
m_SpeedImage->Allocate();
m_Interpolator->SetInputImage(m_SpeedImage);
}
template< typename TImageType, typename TFeatureImageType >
void SegmentationLevelSetFunction< TImageType, TFeatureImageType >
::AllocateAdvectionImage()
{
m_AdvectionImage->SetRequestedRegion( m_FeatureImage->GetRequestedRegion() );
m_AdvectionImage->SetBufferedRegion( m_FeatureImage->GetBufferedRegion() );
m_AdvectionImage->SetLargestPossibleRegion( m_FeatureImage->GetLargestPossibleRegion() );
m_AdvectionImage->Allocate();
m_VectorInterpolator->SetInputImage(m_AdvectionImage);
}
template< typename TImageType, typename TFeatureImageType >
typename SegmentationLevelSetFunction< TImageType, TFeatureImageType >::ScalarValueType
SegmentationLevelSetFunction< TImageType, TFeatureImageType >
::PropagationSpeed(const NeighborhoodType & neighborhood,
const FloatOffsetType & offset, GlobalDataStruct *) const
{
IndexType idx = neighborhood.GetIndex();
ContinuousIndexType cdx;
for ( unsigned i = 0; i < ImageDimension; ++i )
{
cdx[i] = static_cast< double >( idx[i] ) - offset[i];
}
if ( m_Interpolator->IsInsideBuffer(cdx) )
{
return ( static_cast< ScalarValueType >(
m_Interpolator->EvaluateAtContinuousIndex(cdx) ) );
}
else { return ( static_cast< ScalarValueType >( m_SpeedImage->GetPixel(idx) ) ); }
}
template< typename TImageType, typename TFeatureImageType >
typename SegmentationLevelSetFunction< TImageType, TFeatureImageType >::VectorType
SegmentationLevelSetFunction< TImageType, TFeatureImageType >
::AdvectionField(const NeighborhoodType & neighborhood,
const FloatOffsetType & offset, GlobalDataStruct *) const
{
IndexType idx = neighborhood.GetIndex();
ContinuousIndexType cdx;
for ( unsigned i = 0; i < ImageDimension; ++i )
{
cdx[i] = static_cast< double >( idx[i] ) - offset[i];
}
if ( m_VectorInterpolator->IsInsideBuffer(cdx) )
{
return ( m_VectorCast( m_VectorInterpolator->EvaluateAtContinuousIndex(cdx) ) );
}
//Just return the default else
return ( m_AdvectionImage->GetPixel(idx) );
}
} // end namespace itk
#endif
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