ITK  4.13.0
Insight Segmentation and Registration Toolkit
SphinxExamples/src/Bridge/VtkGlue/ConvertRGBvtkImageDataToAnitkImage/Code.py
1 #!/usr/bin/env python
2 
3 #==========================================================================
4 #
5 # Copyright Insight Software Consortium
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 # http://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 import itk
23 import vtk
24 
25 if len(sys.argv) < 2:
26  print('Usage: ' + sys.argv[0] + ' <InputFileName>')
27  sys.exit(1)
28 imageFileName = sys.argv[1]
29 
30 Dimension = 2
31 PixelComponentType = itk.UC
32 PixelType = itk.RGBPixel[PixelComponentType]
33 ImageType = itk.Image[PixelType, Dimension]
34 
35 reader = vtk.vtkPNGReader()
36 reader.SetFileName(imageFileName)
37 reader.SetDataScalarTypeToUnsignedChar()
38 
39 vtkToItkFilter = itk.VTKImageToImageFilter[ImageType].New()
40 vtkToItkFilter.SetInput(reader.GetOutput())
41 
42 reader.Update()
43 vtkToItkFilter.Update()
44 myitkImage = vtkToItkFilter.GetOutput()
45 print(myitkImage)