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# 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
import itk
from sys import argv, stderr, exit
itk.auto_progress(2)
if( len(argv) < 3 ):
print >> stderr, """Missing Parameters
Usage: ResampleImageFilter.py inputImageFile outputImageFile [exampleAction={0,1,2,3}]"""
exit(1)
exampleAction = 0
if( len(argv) >= 4 ):
exampleAction = int( argv[3] )
Dimension = 2
InputPixelType = itk.US
OutputPixelType = itk.UC
InputImageType = itk.Image[ InputPixelType, Dimension ]
OutputImageType = itk.Image[ OutputPixelType, Dimension ]
ReaderType = itk.ImageFileReader[ InputImageType ]
CastType = itk.CastImageFilter[ InputImageType, OutputImageType ]
WriterType = itk.ImageFileWriter[ OutputImageType ]
reader = ReaderType.New()
cast = CastType.New()
writer = WriterType.New()
reader.SetFileName( argv[1] )
writer.SetFileName( argv[2] )
FilterType = itk.ResampleImageFilter[InputImageType,InputImageType]
filter = FilterType.New()
TransformType = itk.AffineTransform[ itk.D, Dimension ]
transform = TransformType.New()
filter.SetTransform( transform.GetPointer() )
InterpolatorType = itk.NearestNeighborInterpolateImageFunction[
InputImageType, itk.D ]
interpolator = InterpolatorType.New()
filter.SetInterpolator( interpolator.GetPointer() )
filter.SetDefaultPixelValue( 0 )
# spacing = itk.Vector[itk.D, Dimension]()
# spacing.SetElement(0, 1.0)
# spacing.SetElement(1, 1.0)
# filter.SetOutputSpacing( spacing )
filter.SetOutputSpacing( 1.0 )
# origin = itk.Point[itk.D, Dimension]()
# origin.SetElement(0, 0.0)
# origin.SetElement(1, 0.0)
# filter.SetOutputOrigin( origin )
filter.SetOutputOrigin( [0.0, 0.0] )
# size = itk.Size[Dimension]()
# size.SetElement(0, 300)
# size.SetElement(1, 300)
# filter.SetSize( size )
filter.SetSize( 300 )
filter.SetInput( reader.GetOutput() )
cast.SetInput( filter.GetOutput() )
writer.SetInput( cast.GetOutput() )
writer.Update()
# translation = itk.Vector[itk.D, Dimension]()
# translation.SetElement(0, -30)
# translation.SetElement(1, -50)
# transform.Translate( translation, 0 )
transform.Translate( [-30, -50], 0 )
if( exampleAction == 1 ):
writer.Update()
filter.SetDefaultPixelValue( 100 )
if( exampleAction == 2 ):
writer.Update()
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