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package require vtk
package require vtkinteraction
package require vtktesting
# create pipeline
# reader reads slices
vtkVolume16Reader v16
v16 SetDataDimensions 64 64
v16 SetDataByteOrderToLittleEndian
v16 SetFilePrefix "$VTK_DATA_ROOT/Data/headsq/quarter"
v16 SetDataSpacing 3.2 3.2 1.5
v16 SetImageRange 30 50
v16 SetDataMask 0x7fff
# create points on edges
vtkEdgePoints edgePoints
edgePoints SetInputConnection [v16 GetOutputPort]
edgePoints SetValue 1150
#
vtkDataSetMapper mapper
mapper SetInputConnection [edgePoints GetOutputPort]
mapper ImmediateModeRenderingOn
mapper ScalarVisibilityOff
vtkActor head
head SetMapper mapper
eval [head GetProperty] SetColor $raw_sienna
# Create the RenderWindow, Renderer and Interactor
#
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# Add the actors to the renderer, set the background and size
#
ren1 AddActor head
ren1 SetBackground 1 1 1
renWin SetSize 300 300
eval ren1 SetBackground $slate_grey
[ren1 GetActiveCamera] SetPosition 99.8847 537.86 22.4716
[ren1 GetActiveCamera] SetFocalPoint 99.8847 109.81 15
[ren1 GetActiveCamera] SetViewAngle 20
[ren1 GetActiveCamera] SetViewUp 0 -1 0
ren1 ResetCameraClippingRange
# render the image
#
iren AddObserver UserEvent {wm deiconify .vtkInteract}
renWin Render
# prevent the tk window from showing up then start the event loop
wm withdraw .
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