/usr/include/ITK-4.5/itkPointSetToImageMetric.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 __itkPointSetToImageMetric_hxx
#define __itkPointSetToImageMetric_hxx
#include "itkPointSetToImageMetric.h"
namespace itk
{
/**
* Constructor
*/
template< typename TFixedPointSet, typename TMovingImage >
PointSetToImageMetric< TFixedPointSet, TMovingImage >
::PointSetToImageMetric()
{
m_FixedPointSet = 0; // has to be provided by the user.
m_MovingImage = 0; // has to be provided by the user.
m_Transform = 0; // has to be provided by the user.
m_Interpolator = 0; // has to be provided by the user.
m_ComputeGradient = true; // metric computes gradient by default
m_NumberOfPixelsCounted = 0; // initialize to zero
m_GradientImage = NULL; // computed at initialization
}
/**
* Set the parameters that define a unique transform
*/
template< typename TFixedPointSet, typename TMovingImage >
void
PointSetToImageMetric< TFixedPointSet, TMovingImage >
::SetTransformParameters(const ParametersType & parameters) const
{
if ( !m_Transform )
{
itkExceptionMacro(<< "Transform has not been assigned");
}
m_Transform->SetParameters(parameters);
}
/**
* PrintSelf
*/
template< typename TFixedPointSet, typename TMovingImage >
void
PointSetToImageMetric< TFixedPointSet, TMovingImage >
::Initialize(void)
throw ( ExceptionObject )
{
if ( !m_Transform )
{
itkExceptionMacro(<< "Transform is not present");
}
if ( !m_Interpolator )
{
itkExceptionMacro(<< "Interpolator is not present");
}
if ( !m_MovingImage )
{
itkExceptionMacro(<< "MovingImage is not present");
}
if ( !m_FixedPointSet )
{
itkExceptionMacro(<< "FixedPointSet is not present");
}
// If the image is provided by a source, update the source.
if ( m_MovingImage->GetSource() )
{
m_MovingImage->GetSource()->Update();
}
// If the point set is provided by a source, update the source.
if ( m_FixedPointSet->GetSource() )
{
m_FixedPointSet->GetSource()->Update();
}
m_Interpolator->SetInputImage(m_MovingImage);
if ( m_ComputeGradient )
{
GradientImageFilterPointer gradientFilter =
GradientImageFilterType::New();
gradientFilter->SetInput(m_MovingImage);
const typename MovingImageType::SpacingType &
spacing = m_MovingImage->GetSpacing();
double maximumSpacing = 0.0;
for ( unsigned int i = 0; i < MovingImageDimension; i++ )
{
if ( spacing[i] > maximumSpacing )
{
maximumSpacing = spacing[i];
}
}
gradientFilter->SetSigma(maximumSpacing);
gradientFilter->SetNormalizeAcrossScale(true);
gradientFilter->Update();
m_GradientImage = gradientFilter->GetOutput();
}
}
/**
* PrintSelf
*/
template< typename TFixedPointSet, typename TMovingImage >
void
PointSetToImageMetric< TFixedPointSet, TMovingImage >
::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Moving Image: " << m_MovingImage.GetPointer() << std::endl;
os << indent << "Fixed Image: " << m_FixedPointSet.GetPointer() << std::endl;
os << indent << "Gradient Image: " << m_GradientImage.GetPointer() << std::endl;
os << indent << "Transform: " << m_Transform.GetPointer() << std::endl;
os << indent << "Interpolator: " << m_Interpolator.GetPointer() << std::endl;
os << indent << "Number of Pixels Counted: " << m_NumberOfPixelsCounted << std::endl;
os << indent << "Compute Gradient: " << m_ComputeGradient << std::endl;
}
} // end namespace itk
#endif
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