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/*=========================================================================
*
* Copyright UMC Utrecht and contributors
*
* 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 itkTransformPenaltyTerm_hxx
#define itkTransformPenaltyTerm_hxx
#include "itkTransformPenaltyTerm.h"
namespace itk
{
/**
* ****************** CheckForBSplineTransform *******************************
*/
template <typename TFixedImage, typename TScalarType>
bool
TransformPenaltyTerm<TFixedImage, TScalarType>::CheckForBSplineTransform2(BSplineOrder3TransformPointer & bspline) const
{
/** The following checks for many spline orders. */
this->CheckForBSplineTransform();
/** Quit if the advanced transform is not a B-spline. */
if (!Superclass::m_TransformIsBSpline)
return false;
/** We will return the B-spline by reference, but only in case it is a third order B-spline. */
auto * testPtr1 = dynamic_cast<BSplineOrder3TransformType *>(Superclass::m_AdvancedTransform.GetPointer());
auto * testPtr2a = dynamic_cast<CombinationTransformType *>(Superclass::m_AdvancedTransform.GetPointer());
if (testPtr1)
{
/** The transform is of type AdvancedBSplineDeformableTransform. */
bspline = testPtr1;
}
else if (testPtr2a)
{
/** The transform is of type AdvancedCombinationTransform. */
auto * testPtr2b = dynamic_cast<BSplineOrder3TransformType *>((testPtr2a->GetModifiableCurrentTransform()));
if (testPtr2b)
{
/** The current transform is of type AdvancedBSplineDeformableTransform. */
bspline = testPtr2b;
}
}
return true;
} // end CheckForBSplineTransform()
} // end namespace itk
#endif // #ifndef itkTransformPenaltyTerm_hxx
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