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package require vtk
# This script is for testing the 3D Sobel filter.
# Displays the 3 components using color.
# Image pipeline
vtkImageReader reader
reader ReleaseDataFlagOff
reader SetDataByteOrderToLittleEndian
reader SetDataExtent 0 63 0 63 1 93
reader SetDataSpacing 3.2 3.2 1.5
reader SetFilePrefix "$VTK_DATA_ROOT/Data/headsq/quarter"
reader SetDataMask 0x7fff
vtkImageSobel3D sobel
sobel SetInputConnection [reader GetOutputPort]
sobel ReleaseDataFlagOff
vtkImageViewer viewer
#viewer DebugOn
viewer SetInputConnection [sobel GetOutputPort]
viewer SetZSlice 22
viewer SetColorWindow 400
viewer SetColorLevel 0
viewer Render
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