SphinxExamples/src/Filtering/ImageGrid/ResampleAVectorImage/Code.py

#!/usr/bin/env python
 
# 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
#
#        https://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.
 
import itk
import argparse
 
parser = argparse.ArgumentParser(description="Resample A Vector Image.")
parser.add_argument("input_image")
parser.add_argument("output_image")
args = parser.parse_args()
 
PixelType = itk.RGBPixel[itk.UC]
 
input_image = itk.imread(args.input_image, pixel_type=PixelType)
 
ImageType = type(input_image)
interpolator = itk.LinearInterpolateImageFunction[ImageType, itk.D].New()
 
Dimension = input_image.GetImageDimension()
transform = itk.IdentityTransform[itk.D, Dimension].New()
 
output_image = itk.resample_image_filter(
    input_image,
    interpolator=interpolator,
    transform=transform,
    default_pixel_value=[50, 50, 50],
    output_spacing=[0.5, 0.5],
    output_origin=[30, 40],
    size=[300, 300],
)
 
itk.imwrite(output_image, args.output_image)