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package require vtk
package require vtkinteraction
# create a rendering window and renderer
vtkRenderer ren1
ren1 AutomaticLightCreationOff
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# create cones of varying resolution
vtkConeSource cone0
cone0 SetResolution 0
vtkConeSource cone1
cone1 SetResolution 1
vtkConeSource cone2
cone2 SetResolution 2
vtkConeSource cone8
cone8 SetResolution 8
cone8 SetDirection 0 0 10
cone8 SetCenter 5 0 0
vtkPolyDataMapper cone0Mapper
cone0Mapper SetInputConnection [cone0 GetOutputPort]
vtkActor cone0Actor
cone0Actor SetMapper cone0Mapper
vtkPolyDataMapper cone1Mapper
cone1Mapper SetInputConnection [cone1 GetOutputPort]
vtkActor cone1Actor
cone1Actor SetMapper cone1Mapper
vtkPolyDataMapper cone2Mapper
cone2Mapper SetInputConnection [cone2 GetOutputPort]
vtkActor cone2Actor
cone2Actor SetMapper cone2Mapper
vtkPolyDataMapper cone8Mapper
cone8Mapper SetInputConnection [cone8 GetOutputPort]
vtkActor cone8Actor
cone8Actor SetMapper cone8Mapper
# assign our actor to the renderer
ren1 AddActor cone0Actor
ren1 AddActor cone1Actor
ren1 AddActor cone2Actor
ren1 AddActor cone8Actor
ren1 SetBackground .5 .5 .5
ren1 ResetCamera
[ren1 GetActiveCamera] Elevation 30
[ren1 GetActiveCamera] Dolly 1.3
ren1 ResetCameraClippingRange
renWin SetSize 301 91
cone0Actor SetPosition -1.5 0 0
cone1Actor SetPosition -.5 0 0
cone2Actor SetPosition .5 0 0
cone8Actor SetPosition 1.5 0 0
[cone0Actor GetProperty] SetDiffuseColor 1 0 0
[cone1Actor GetProperty] SetDiffuseColor 0 1 0
[cone8Actor GetProperty] BackfaceCullingOn
[cone8Actor GetProperty] SetDiffuseColor 0 0 1
# enable user interface interactor
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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