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#==========================================================================
#
# 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.
#
#==========================================================================*/
# INPUTS: {BrainProtonDensitySlice.png}
# OUTPUTS: {ResampleImageFilterOutput1.png}
# 0
# INPUTS: {BrainProtonDensitySlice.png}
# OUTPUTS: {ResampleImageFilterOutput2.png}
# 1
# INPUTS: {BrainProtonDensitySlice.png}
# OUTPUTS: {ResampleImageFilterOutput3.png}
# 2
# INPUTS: {BrainProtonDensitySlice.png}
# OUTPUTS: {ResampleImageFilterOutput4.png}
# 3
from __future__ import print_function
import itk
from sys import argv, stderr, exit
itk.auto_progress(2)
# if( len(argv) < 3 ):
# print("""Missing Parameters
# Usage: ResampleImageFilter.py inputImageFile outputImageFile
# [exampleAction={0,1,2,3}]""", file=stderr)
# exit(1)
dim = 2
SOType = itk.SpatialObject[dim]
InternalImageType = itk.Image[itk.F, dim]
OutputPixelType = itk.UC
OutputImageType = itk.Image[OutputPixelType, dim]
ellipse = itk.EllipseSpatialObject[dim].New(Radius=[10, 5])
ellipse.GetObjectToParentTransform().SetOffset([20, 20])
ellipse.ComputeObjectToWorldTransform()
box = itk.BoxSpatialObject[dim].New(Size=20)
box.GetObjectToParentTransform().SetOffset([20, 40])
box.ComputeObjectToWorldTransform()
gaussian = itk.GaussianSpatialObject[dim].New(Radius=100)
gaussian.GetObjectToParentTransform().SetOffset([60, 60])
gaussian.GetObjectToParentTransform().SetScale(10)
gaussian.ComputeObjectToWorldTransform()
group = itk.GroupSpatialObject[dim].New()
group.AddSpatialObject(ellipse)
group.AddSpatialObject(box)
group.AddSpatialObject(gaussian)
filter = itk.SpatialObjectToImageFilter[SOType, InternalImageType].New(
group, Size=[100, 100], UseObjectValue=True)
filter.Update() # required ?!
rescale = itk.RescaleIntensityImageFilter[
InternalImageType,
OutputImageType].New(
filter,
OutputMinimum=itk.NumericTraits[OutputPixelType].NonpositiveMin(),
OutputMaximum=itk.NumericTraits[OutputPixelType].max())
itk.write(rescale, argv[1])
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