ITK  6.0.0
Insight Toolkit
SphinxExamples/src/Core/Transform/ScaleAnImage/Code.py
1 #!/usr/bin/env python
2 
3 # =========================================================================
4 #
5 # Copyright NumFOCUS
6 #
7 # Licensed under the Apache License, Version 2.0 (the "License");
8 # you may not use this file except in compliance with the License.
9 # You may obtain a copy of the License at
10 #
11 # https://www.apache.org/licenses/LICENSE-2.0.txt
12 #
13 # Unless required by applicable law or agreed to in writing, software
14 # distributed under the License is distributed on an "AS IS" BASIS,
15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 # See the License for the specific language governing permissions and
17 # limitations under the License.
18 #
19 # =========================================================================*/
20 
21 import sys
22 
23 import itk
24 
25 if len(sys.argv) < 3:
26  raise Exception(f"Usage: {sys.argv[0]} inputFile outputFile")
27 
28 image = itk.imread(sys.argv[1], itk.UC)
29 
30 image_dimension = image.GetImageDimension()
31 
32 transform = itk.ScaleTransform[itk.D, 2].New(
33  scale=[1.5] * image_dimension, center=[x / 2 for x in itk.size(image)]
34 )
35 
36 scaled_image = itk.resample_image_filter(
37  image, transform=transform, size=itk.size(image)
38 )
39 
40 itk.imwrite(scaled_image, sys.argv[2])
itk::ScaleTransform
Scale transformation of a vector space (e.g. space coordinates)
Definition: itkScaleTransform.h:45
New
static Pointer New()