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package require vtk
package require vtkinteraction
package require vtktesting
# Create the RenderWindow, Renderer and both Actors
#
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# create a semi-cylinder
#
vtkLineSource line
line SetPoint1 0 1 0
line SetPoint2 0 1 2
line SetResolution 10
vtkRotationalExtrusionFilter lineSweeper
lineSweeper SetResolution 20
lineSweeper SetInputConnection [line GetOutputPort]
lineSweeper SetAngle 270
vtkBrownianPoints bump
bump SetInputConnection [lineSweeper GetOutputPort]
vtkWarpVector warp
warp SetInput [bump GetPolyDataOutput]
warp SetScaleFactor .2
vtkWindowedSincPolyDataFilter smooth
smooth SetInput [warp GetPolyDataOutput]
smooth SetNumberOfIterations 20
smooth BoundarySmoothingOn
smooth SetFeatureAngle 120
smooth SetEdgeAngle 90
smooth SetPassBand 0.1
vtkPolyDataNormals normals
normals SetInputConnection [smooth GetOutputPort]
vtkPolyDataMapper cylMapper
cylMapper SetInputConnection [normals GetOutputPort]
vtkActor cylActor
cylActor SetMapper cylMapper
eval [cylActor GetProperty] SetInterpolationToGouraud
eval [cylActor GetProperty] SetInterpolationToFlat
eval [cylActor GetProperty] SetColor $beige
vtkPolyDataMapper originalMapper
originalMapper SetInput [bump GetPolyDataOutput]
vtkActor originalActor
originalActor SetMapper originalMapper
eval [originalActor GetProperty] SetInterpolationToFlat
eval [cylActor GetProperty] SetColor $tomato
# Add the actors to the renderer, set the background and size
#
ren1 AddActor cylActor
#ren1 AddActor originalActor
ren1 SetBackground 1 1 1
renWin SetSize 200 300
vtkCamera camera
camera SetClippingRange 0.576398 28.8199
camera SetFocalPoint 0.0463079 -0.0356571 1.01993
camera SetPosition -2.47044 2.39516 -3.56066
camera SetViewUp 0.607296 -0.513537 -0.606195
ren1 SetActiveCamera camera
# 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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