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package require vtk
package require vtkinteraction
# Create the RenderWindow, Renderer and both Actors
#
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
vtkPNGReader reader
reader SetFileName "$VTK_DATA_ROOT/Data/fullhead15.png"
vtkContourFilter iso
iso SetInputConnection [reader GetOutputPort]
iso GenerateValues 12 500 1150
vtkPolyDataMapper isoMapper
isoMapper SetInputConnection [iso GetOutputPort]
isoMapper ScalarVisibilityOff
vtkActor isoActor
isoActor SetMapper isoMapper
eval [isoActor GetProperty] SetColor 0 0 0
vtkOutlineFilter outline
outline SetInputConnection [reader GetOutputPort]
vtkPolyDataMapper outlineMapper
outlineMapper SetInputConnection [outline GetOutputPort]
vtkActor outlineActor
outlineActor SetMapper outlineMapper
set outlineProp [outlineActor GetProperty]
#eval $outlineProp SetColor 0 0 0
# Add the actors to the renderer, set the background and size
#
ren1 AddActor outlineActor
ren1 AddActor isoActor
ren1 SetBackground 0.8 0.8 1
renWin SetSize 400 400
ren1 ResetCamera
[ren1 GetActiveCamera] Zoom 1.3
iren Initialize
iren AddObserver UserEvent {wm deiconify .vtkInteract}
# prevent the tk window from showing up then start the event loop
wm withdraw .
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