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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 elxGridSampler_hxx
#define elxGridSampler_hxx
#include "elxGridSampler.h"
#include <itkDeref.h>
namespace elastix
{
/**
* ******************* BeforeEachResolution ******************
*/
template <class TElastix>
void
GridSampler<TElastix>::BeforeEachResolution()
{
const Configuration & configuration = itk::Deref(Superclass2::GetConfiguration());
const unsigned int level = this->m_Registration->GetAsITKBaseType()->GetCurrentLevel();
GridSpacingType gridSpacing;
/** Read the desired grid spacing of the samples. */
unsigned int spacing_dim;
for (unsigned int dim = 0; dim < InputImageDimension; ++dim)
{
spacing_dim = 2;
configuration.ReadParameter(
spacing_dim, "SampleGridSpacing", this->GetComponentLabel(), level * InputImageDimension + dim, -1);
gridSpacing[dim] = static_cast<SampleGridSpacingValueType>(spacing_dim);
}
this->SetSampleGridSpacing(gridSpacing);
} // end BeforeEachResolution()
} // end namespace elastix
#endif // end #ifndef elxGridSampler_hxx
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