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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 itkImageNeighborhoodOffsets_h
#define itkImageNeighborhoodOffsets_h
#include "itkRectangularImageNeighborhoodShape.h"
#include <vector>
namespace itk
{
/** Generates the offsets for a neighborhood of the specified shape. */
template <typename TImageNeighborhoodShape>
std::vector<Offset<TImageNeighborhoodShape::ImageDimension>>
GenerateImageNeighborhoodOffsets(const TImageNeighborhoodShape & shape)
{
std::vector<Offset<TImageNeighborhoodShape::ImageDimension>> offsets(shape.GetNumberOfOffsets());
shape.FillOffsets(offsets.data());
return offsets;
}
/** Generates the offsets for a hyperrectangular (box shaped) neighborhood. */
template <unsigned int VImageDimension>
std::vector<Offset<VImageDimension>>
GenerateRectangularImageNeighborhoodOffsets(const Size<VImageDimension> & radius)
{
const RectangularImageNeighborhoodShape<VImageDimension> shape(radius);
return GenerateImageNeighborhoodOffsets(shape);
}
} // namespace itk
#endif
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