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package require vtk
package require vtkinteraction
package require vtktesting
# Test the quadric decimation LOD actor
#
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# pipeline stuff
#
vtkSphereSource sphere
sphere SetPhiResolution 150
sphere SetThetaResolution 150
vtkPlaneSource plane
plane SetXResolution 150
plane SetYResolution 150
vtkPolyDataMapper mapper
mapper SetInputConnection [sphere GetOutputPort]
mapper SetInputConnection [plane GetOutputPort]
vtkQuadricLODActor actor
actor SetMapper mapper
actor DeferLODConstructionOff
[actor GetProperty] SetRepresentationToWireframe
eval [actor GetProperty] SetDiffuseColor $tomato
[actor GetProperty] SetDiffuse .8
[actor GetProperty] SetSpecular .4
[actor GetProperty] SetSpecularPower 30
# Add the actors to the renderer, set the background and size
#
ren1 AddActor actor
ren1 SetBackground 1 1 1
renWin SetSize 300 300
iren Initialize
# render the image
#
iren AddObserver UserEvent {wm deiconify .vtkInteract}
# prevent the tk window from showing up then start the event loop
wm withdraw .
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