1 /*========================================================================= 2 * 3 * Copyright Insight Software Consortium 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0.txt 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 *=========================================================================*/ 18 19 #ifndef itkImageNeighborhoodOffsets_h 20 #define itkImageNeighborhoodOffsets_h 21 22 #include "itkRectangularImageNeighborhoodShape.h" 23 #include <vector> 24 25 namespace itk 26 { 27 namespace Experimental 28 { 29 30 /** Generates the offsets for a neighborhood of the specified shape. */ 31 template <typename TImageNeighborhoodShape> GenerateImageNeighborhoodOffsets(const TImageNeighborhoodShape & shape)32std::vector<Offset<TImageNeighborhoodShape::ImageDimension>> GenerateImageNeighborhoodOffsets( 33 const TImageNeighborhoodShape& shape) 34 { 35 std::vector<Offset<TImageNeighborhoodShape::ImageDimension>> offsets(shape.GetNumberOfOffsets()); 36 shape.FillOffsets(offsets.data()); 37 return offsets; 38 } 39 40 41 /** Generates the offsets for a hyperrectangular (box shaped) neighborhood. */ 42 template <unsigned VImageDimension> GenerateRectangularImageNeighborhoodOffsets(const Size<VImageDimension> & radius)43std::vector<Offset<VImageDimension> > GenerateRectangularImageNeighborhoodOffsets(const Size<VImageDimension>& radius) 44 { 45 const RectangularImageNeighborhoodShape<VImageDimension> shape(radius); 46 return GenerateImageNeighborhoodOffsets(shape); 47 } 48 49 } // namespace Experimental 50 } // namespace itk 51 52 #endif 53