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itkBlockMatchingStrainWindowBlockAffineTransformCommand.hxx
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itkBlockMatchingStrainWindowBlockAffineTransformCommand.hxx
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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 itkBlockMatchingStrainWindowBlockAffineTransformCommand_hxx
#define itkBlockMatchingStrainWindowBlockAffineTransformCommand_hxx
namespace itk
{
namespace BlockMatching
{
template <typename TStrainWindowDisplacemenCalculator,
typename TBlockAffineTransformMetricImageFilter,
typename TStrainImageFilter>
StrainWindowBlockAffineTransformCommand<TStrainWindowDisplacemenCalculator,
TBlockAffineTransformMetricImageFilter,
TStrainImageFilter>::StrainWindowBlockAffineTransformCommand()
: m_UseStrainWindowStrain(true)
{
m_BlockAffineTransformMetricImageFilter = nullptr;
m_StrainImageFilter = StrainImageFilterType::New();
m_LeastSquaresFilter = LeastSquaresFilterType::New();
typename LeastSquaresFilterType::RadiusType radius; // @todo make this settable.
radius.Fill(3);
m_LeastSquaresFilter->SetRadius(radius);
m_StrainImageFilter->SetGradientFilter(m_LeastSquaresFilter);
}
template <typename TStrainWindowDisplacemenCalculator,
typename TBlockAffineTransformMetricImageFilter,
typename TStrainImageFilter>
void
StrainWindowBlockAffineTransformCommand<TStrainWindowDisplacemenCalculator,
TBlockAffineTransformMetricImageFilter,
TStrainImageFilter>::Execute(const itk::Object * object,
const itk::EventObject & event)
{
if (!(itk::EndEvent().CheckEvent(&event)))
{
return;
}
if (m_BlockAffineTransformMetricImageFilter.GetPointer() == nullptr)
{
itkExceptionMacro(<< "The BlockAffineTransformMetricImageFilter has not been set.");
}
StrainWindowDisplacementCalculatorType * strainWindower = const_cast<StrainWindowDisplacementCalculatorType *>(
dynamic_cast<const StrainWindowDisplacementCalculatorType *>(object));
if (!strainWindower)
{
itkExceptionMacro(<< "Could not downcast to a StrainWindowDisplacementCalculator.");
}
if (m_UseStrainWindowStrain)
{
m_BlockAffineTransformMetricImageFilter->SetStrainImage(strainWindower->GetStrainImageFilter()->GetOutput());
}
else
{
m_StrainImageFilter->SetInput(strainWindower->GetStrainImageFilter()->GetInput());
m_StrainImageFilter->Update();
m_BlockAffineTransformMetricImageFilter->SetStrainImage(m_StrainImageFilter->GetOutput());
}
}
} // end namespace BlockMatching
} // end namespace itk
#endif