ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Core/Common/CreateABackwardDifferenceOperator/Code.cxx
/*=========================================================================
*
* 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
*
* 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.
*
*=========================================================================*/
int
main(int, char *[])
{
using PixelType = float;
constexpr unsigned int Dimension = 2;
using BackwardDifferenceOperatorType = itk::BackwardDifferenceOperator<PixelType, Dimension>;
BackwardDifferenceOperatorType backwardDifferenceOperator;
// Create the operator for the X axis derivative
backwardDifferenceOperator.SetDirection(0);
radius.Fill(1);
backwardDifferenceOperator.CreateToRadius(radius);
std::cout << "Size: " << backwardDifferenceOperator.GetSize() << std::endl;
std::cout << backwardDifferenceOperator << std::endl;
for (unsigned int i = 0; i < 9; i++)
{
std::cout << backwardDifferenceOperator.GetOffset(i) << " " << backwardDifferenceOperator.GetElement(i)
<< std::endl;
}
return EXIT_SUCCESS;
}
itk::Size
Represent a n-dimensional size (bounds) of a n-dimensional image.
Definition: itkSize.h:69
itkBackwardDifferenceOperator.h
itk::BackwardDifferenceOperator
Operator whose inner product with a neighborhood returns a "half" derivative at the center of the nei...
Definition: itkBackwardDifferenceOperator.h:48
itk::Size::Fill
void Fill(SizeValueType value)
Definition: itkSize.h:211
itk::NeighborhoodOperator::SetDirection
void SetDirection(const unsigned long &direction)
Definition: itkNeighborhoodOperator.h:94
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44