SphinxExamples/src/Bridge/VtkGlue/ConvertAnRGBitkImageTovtkImageData/Code.py

#!/usr/bin/env python

#==========================================================================
#
#   Copyright Insight Software Consortium
#
#   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.
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#==========================================================================*/

import sys
import itk
import vtk

from distutils.version import StrictVersion as VS
if VS(itk.Version.GetITKVersion()) < VS("4.10.0"):
    print("ITK 4.10.0 is required.")
    sys.exit(1)

if len(sys.argv) != 2:
    print('Usage: ' + sys.argv[0] + ' <InputFileName>')
    sys.exit(1)
imageFileName = sys.argv[1]

Dimension = 2
PixelComponentType = itk.UC
PixelType = itk.RGBPixel[PixelComponentType]
ImageType = itk.Image[PixelType, Dimension]

reader = itk.ImageFileReader[ImageType].New()
reader.SetFileName(imageFileName)

itkToVtkFilter = itk.ImageToVTKImageFilter[ImageType].New()
itkToVtkFilter.SetInput(reader.GetOutput())

itkToVtkFilter.Update()
myvtkImageData = itkToVtkFilter.GetOutput()
print(myvtkImageData)