/usr/include/ITK-4.5/itkDisplacementFieldTransformParametersAdaptor.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.
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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 __itkDisplacementFieldTransformParametersAdaptor_hxx
#define __itkDisplacementFieldTransformParametersAdaptor_hxx
#include "itkDisplacementFieldTransformParametersAdaptor.h"
#include "itkIdentityTransform.h"
#include "itkVectorResampleImageFilter.h"
#include "itkVectorLinearInterpolateImageFunction.h"
namespace itk
{
template<typename TTransform>
DisplacementFieldTransformParametersAdaptor<TTransform>
::DisplacementFieldTransformParametersAdaptor()
{
this->m_RequiredFixedParameters.SetSize( SpaceDimension * ( SpaceDimension + 3 ) );
this->m_RequiredFixedParameters.Fill( 0.0 );
}
template<typename TTransform>
DisplacementFieldTransformParametersAdaptor<TTransform>
::~DisplacementFieldTransformParametersAdaptor()
{
}
template<typename TTransform>
void
DisplacementFieldTransformParametersAdaptor<TTransform>
::SetRequiredSize( const SizeType & size )
{
bool isModified = false;
for( SizeValueType d = 0; d < SpaceDimension; d++ )
{
if( this->m_RequiredFixedParameters[d] != size[d] )
{
isModified = true;
}
this->m_RequiredFixedParameters[d] = size[d];
}
if( isModified )
{
itkDebugMacro( "Setting size to " << size );
this->Modified();
}
}
template<typename TTransform>
const typename DisplacementFieldTransformParametersAdaptor<TTransform>::SizeType
DisplacementFieldTransformParametersAdaptor<TTransform>
::GetRequiredSize() const
{
SizeType size;
for( SizeValueType d = 0; d < SpaceDimension; d++ )
{
size[d] = static_cast<SizeValueType>( this->m_RequiredFixedParameters[d] );
}
return size;
}
template<typename TTransform>
void
DisplacementFieldTransformParametersAdaptor<TTransform>
::SetRequiredOrigin( const PointType & origin )
{
bool isModified = false;
for( SizeValueType d = 0; d < SpaceDimension; d++ )
{
if( this->m_RequiredFixedParameters[SpaceDimension + d] != origin[d] )
{
isModified = true;
}
this->m_RequiredFixedParameters[SpaceDimension + d] = origin[d];
}
if( isModified )
{
itkDebugMacro( "Setting origin to " << origin );
this->Modified();
}
}
template<typename TTransform>
const typename DisplacementFieldTransformParametersAdaptor<TTransform>::PointType
DisplacementFieldTransformParametersAdaptor<TTransform>
::GetRequiredOrigin() const
{
PointType origin;
for( SizeValueType d = 0; d < SpaceDimension; d++ )
{
origin[d] = this->m_RequiredFixedParameters[SpaceDimension + d];
}
return origin;
}
template<typename TTransform>
void
DisplacementFieldTransformParametersAdaptor<TTransform>
::SetRequiredSpacing( const SpacingType & spacing )
{
bool isModified = false;
for( SizeValueType d = 0; d < SpaceDimension; d++ )
{
if( this->m_RequiredFixedParameters[2*SpaceDimension + d] != spacing[d] )
{
isModified = true;
}
this->m_RequiredFixedParameters[2*SpaceDimension + d] = spacing[d];
}
if( isModified )
{
itkDebugMacro( "Setting spacing to " << spacing );
this->Modified();
}
}
template<typename TTransform>
const typename DisplacementFieldTransformParametersAdaptor<TTransform>::SpacingType
DisplacementFieldTransformParametersAdaptor<TTransform>
::GetRequiredSpacing() const
{
SpacingType spacing;
for( SizeValueType d = 0; d < SpaceDimension; d++ )
{
spacing[d] = this->m_RequiredFixedParameters[2*SpaceDimension + d];
}
return spacing;
}
template<typename TTransform>
void
DisplacementFieldTransformParametersAdaptor<TTransform>
::SetRequiredDirection( const DirectionType & direction )
{
bool isModified = false;
for( SizeValueType di = 0; di < SpaceDimension; di++ )
{
for( SizeValueType dj = 0; dj < SpaceDimension; dj++ )
{
if( this->m_RequiredFixedParameters[3 * SpaceDimension + ( di * SpaceDimension + dj )] != direction[di][dj] )
{
isModified = true;
}
this->m_RequiredFixedParameters[3 * SpaceDimension + ( di * SpaceDimension + dj )] = direction[di][dj];
}
}
if( isModified )
{
itkDebugMacro( "Setting direction to " << direction );
this->Modified();
}
}
template<typename TTransform>
const typename DisplacementFieldTransformParametersAdaptor<TTransform>::DirectionType
DisplacementFieldTransformParametersAdaptor<TTransform>
::GetRequiredDirection() const
{
DirectionType direction;
for( SizeValueType di = 0; di < SpaceDimension; di++ )
{
for( SizeValueType dj = 0; dj < SpaceDimension; dj++ )
{
direction[di][dj] = this->m_RequiredFixedParameters[3 * SpaceDimension + ( di * SpaceDimension + dj )];
}
}
return direction;
}
template<typename TTransform>
void
DisplacementFieldTransformParametersAdaptor<TTransform>
::AdaptTransformParameters()
{
if( !this->m_Transform )
{
itkExceptionMacro( "Transform has not been set." );
return;
}
if( this->m_RequiredFixedParameters == this->m_Transform->GetFixedParameters() )
{
return;
}
const SizeType newFieldSize = this->GetRequiredSize();
const PointType newFieldOrigin = this->GetRequiredOrigin();
const SpacingType newFieldSpacing = this->GetRequiredSpacing();
const DirectionType newFieldDirection = this->GetRequiredDirection();
typedef IdentityTransform<ParametersValueType, SpaceDimension> IdentityTransformType;
typename IdentityTransformType::Pointer identityTransform = IdentityTransformType::New();
identityTransform->SetIdentity();
typedef VectorLinearInterpolateImageFunction<DisplacementFieldType, ParametersValueType> LinearInterpolatorType;
typename LinearInterpolatorType::Pointer interpolator = LinearInterpolatorType::New();
interpolator->SetInputImage( this->m_Transform->GetDisplacementField() );
typedef VectorResampleImageFilter<DisplacementFieldType, DisplacementFieldType, ParametersValueType> ResamplerType;
typename ResamplerType::Pointer resampler = ResamplerType::New();
resampler->SetInput( this->m_Transform->GetDisplacementField() );
resampler->SetOutputDirection( newFieldDirection );
resampler->SetOutputOrigin( newFieldOrigin );
resampler->SetOutputSpacing( newFieldSpacing );
resampler->SetSize( newFieldSize );
resampler->SetTransform( identityTransform );
resampler->SetInterpolator( interpolator );
typename DisplacementFieldType::Pointer newDisplacementField = resampler->GetOutput();
newDisplacementField->Update();
newDisplacementField->DisconnectPipeline();
typename DisplacementFieldType::Pointer newInverseDisplacementField = NULL;
if( this->m_Transform->GetInverseDisplacementField() )
{
typename LinearInterpolatorType::Pointer inverseInterpolator = LinearInterpolatorType::New();
inverseInterpolator->SetInputImage( this->m_Transform->GetInverseDisplacementField() );
typename ResamplerType::Pointer inverseResampler = ResamplerType::New();
inverseResampler->SetInput( this->m_Transform->GetInverseDisplacementField() );
inverseResampler->SetOutputDirection( newFieldDirection );
inverseResampler->SetOutputOrigin( newFieldOrigin );
inverseResampler->SetOutputSpacing( newFieldSpacing );
inverseResampler->SetSize( newFieldSize );
inverseResampler->SetTransform( identityTransform );
inverseResampler->SetInterpolator( inverseInterpolator );
newInverseDisplacementField = inverseResampler->GetOutput();
newInverseDisplacementField->Update();
newInverseDisplacementField->DisconnectPipeline();
}
this->m_Transform->SetDisplacementField( newDisplacementField );
this->m_Transform->SetInverseDisplacementField( newInverseDisplacementField );
}
} // namespace itk
#endif
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