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package require vtk
package require vtkinteraction
vtkCylinderSource cylinder
cylinder SetHeight 1
cylinder SetRadius 4
cylinder SetResolution 100
cylinder CappingOff
vtkTransform foo
foo RotateX 20
foo RotateY 10
foo RotateZ 27
foo Scale 1 .7 .3
vtkTransformPolyDataFilter transPD
transPD SetInputConnection [cylinder GetOutputPort]
transPD SetTransform foo
vtkPolyDataMapper dataMapper
dataMapper SetInputConnection [transPD GetOutputPort]
vtkActor model
model SetMapper dataMapper
[model GetProperty] SetColor 1 0 0
vtkOBBTree obb
obb SetMaxLevel 10
obb SetNumberOfCellsPerNode 5
obb AutomaticOff
vtkSpatialRepresentationFilter boxes
boxes SetInputConnection [transPD GetOutputPort]
boxes SetSpatialRepresentation obb
boxes SetGenerateLeaves 1
boxes Update
set output [[boxes GetOutput] GetBlock [expr [boxes GetMaximumLevel] + 1]]
vtkExtractEdges boxEdges
boxEdges SetInputData $output
vtkPolyDataMapper boxMapper
boxMapper SetInputConnection [boxEdges GetOutputPort]
boxMapper SetResolveCoincidentTopology 1
vtkActor boxActor
boxActor SetMapper boxMapper
[boxActor GetProperty] SetAmbient 1
[boxActor GetProperty] SetDiffuse 0
[boxActor GetProperty] SetRepresentationToWireframe
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 model
ren1 AddActor boxActor
ren1 SetBackground 0.1 0.2 0.4
renWin SetSize 300 300
ren1 ResetCamera
[ren1 GetActiveCamera] Zoom 1.5
# render the image
#
iren AddObserver UserEvent {wm deiconify .vtkInteract}
iren Initialize
# prevent the tk window from showing up then start the event loop
wm withdraw .
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