ITK  6.0.0
Insight Toolkit
SphinxExamples/src/Core/Common/CreateForwardDifferenceKernel/Code.py
1 #!/usr/bin/env python
2 
3 # Copyright NumFOCUS
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 # https://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 import itk
18 
19 forwardDifferenceOperator = itk.ForwardDifferenceOperator[itk.F, 2]()
20 forwardDifferenceOperator.SetDirection(
21  0
22 ) # Create the operator for the X axis derivative
23 radius = itk.Size[2]()
24 radius.Fill(1)
25 forwardDifferenceOperator.CreateToRadius(radius)
26 
27 print("Size: " + str(forwardDifferenceOperator.GetSize()))
28 
29 print(forwardDifferenceOperator)
30 
31 for i in range(9):
32  print(
33  str(forwardDifferenceOperator.GetOffset(i))
34  + " "
35  + str(forwardDifferenceOperator.GetElement(i))
36  )
itk::Size
Represent a n-dimensional size (bounds) of a n-dimensional image.
Definition: itkSize.h:69
itk::ForwardDifferenceOperator
Operator whose inner product with a neighborhood returns a "half" derivative at the center of the nei...
Definition: itkForwardDifferenceOperator.h:47