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package require vtk
package require vtkinteraction
vtkBox box
box SetXMin 0 2 4
box SetXMax 2 4 6
vtkSampleFunction sample
sample SetSampleDimensions 30 30 30
sample SetImplicitFunction box
sample SetModelBounds 0 1.5 1 5 2 8
sample ComputeNormalsOn
vtkContourFilter contours
contours SetInputConnection [sample GetOutputPort]
contours GenerateValues 5 -0.5 1.5
vtkPolyDataWriter w
w SetInputConnection [contours GetOutputPort]
w SetFileName "junk.vtk"
#w Write
vtkPolyDataMapper contMapper
contMapper SetInputConnection [contours GetOutputPort]
contMapper SetScalarRange -0.5 1.5
vtkActor contActor
contActor SetMapper contMapper
# We'll put a simple outline around the data.
vtkOutlineFilter outline
outline SetInputConnection [sample GetOutputPort]
vtkPolyDataMapper outlineMapper
outlineMapper SetInputConnection [outline GetOutputPort]
vtkActor outlineActor
outlineActor SetMapper outlineMapper
eval [outlineActor GetProperty] SetColor 0 0 0
# The usual rendering stuff.
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
renWin SetSize 500 500
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
ren1 SetBackground 1 1 1
ren1 AddActor contActor
ren1 AddActor outlineActor
vtkCamera camera
camera SetClippingRange 6.31875 20.689
camera SetFocalPoint 0.75 3 5
camera SetPosition 9.07114 -4.10065 -1.38712
camera SetViewAngle 30
camera SetViewUp -0.580577 -0.802756 0.13606
ren1 SetActiveCamera camera
iren AddObserver UserEvent {wm deiconify .vtkInteract}
iren Initialize
wm withdraw .
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