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package require vtk
package require vtkinteraction
# create pipeline
#
vtkPolyDataReader reader
reader SetFileName "$VTK_DATA_ROOT/Data/vtk.vtk"
# Read a ruler texture
vtkPNGReader r
r SetFileName "$VTK_DATA_ROOT/Data/ruler.png"
vtkTexture atext
atext SetInputConnection [r GetOutputPort]
atext InterpolateOn
# produce some ribbons
vtkRibbonFilter ribbon
ribbon SetInputConnection [reader GetOutputPort]
ribbon SetWidth 0.1
ribbon SetGenerateTCoordsToUseLength
ribbon SetTextureLength 1.0
ribbon UseDefaultNormalOn
ribbon SetDefaultNormal 0 0 1
vtkPolyDataMapper ribbonMapper
ribbonMapper SetInputConnection [ribbon GetOutputPort]
vtkActor ribbonActor
ribbonActor SetMapper ribbonMapper
eval [ribbonActor GetProperty] SetColor 1 1 0
ribbonActor SetTexture atext
# produce some tubes
vtkTubeFilter tuber
tuber SetInputConnection [reader GetOutputPort]
tuber SetRadius 0.1
tuber SetNumberOfSides 12
tuber SetGenerateTCoordsToUseLength
tuber SetTextureLength 0.5
tuber CappingOn
vtkPolyDataMapper tubeMapper
tubeMapper SetInputConnection [tuber GetOutputPort]
vtkActor tubeActor
tubeActor SetMapper tubeMapper
eval [tubeActor GetProperty] SetColor 1 1 0
tubeActor SetTexture atext
tubeActor AddPosition 5 0 0
# Create the RenderWindow, Renderer and both Actors
#
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 ribbonActor
ren1 AddActor tubeActor
ren1 SetBackground 1 1 1
renWin SetSize 900 350
ren1 SetBackground 1 1 1
ren1 ResetCamera
[ren1 GetActiveCamera] Zoom 4
# render the image
#
renWin Render
iren AddObserver UserEvent {wm deiconify .vtkInteract}
# prevent the tk window from showing up then start the event loop
wm withdraw .
set threshold 15
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