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package require vtk
# A script to test converting a stencil to a binary image
vtkSphere sphere
sphere SetCenter 128 128 0
sphere SetRadius 80
vtkImplicitFunctionToImageStencil functionToStencil
functionToStencil SetInput sphere
functionToStencil SetOutputOrigin 0 0 0
functionToStencil SetOutputSpacing 1 1 1
functionToStencil SetOutputWholeExtent 0 255 0 255 0 0
vtkImageStencilToImage stencilToImage
stencilToImage SetInputConnection [functionToStencil GetOutputPort]
stencilToImage SetOutsideValue 0
stencilToImage SetInsideValue 255
vtkImageViewer viewer
viewer SetInputConnection [stencilToImage GetOutputPort]
viewer SetZSlice 0
viewer SetColorWindow 255
viewer SetColorLevel 127.5
viewer Render
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