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package require vtk
package require vtkinteraction
package require vtktesting
# create pipeline
#
vtkDataSetReader reader
reader SetFileName "$VTK_DATA_ROOT/Data/RectGrid2.vtk"
reader Update
# here to force exact extent
vtkElevationFilter elev
elev SetInputConnection [reader GetOutputPort]
elev Update
vtkRectilinearGridOutlineFilter outline
outline SetInputData [elev GetRectilinearGridOutput]
vtkPolyDataMapper outlineMapper
outlineMapper SetInputConnection [outline GetOutputPort]
outlineMapper SetNumberOfPieces 2
outlineMapper SetPiece 1
vtkActor outlineActor
outlineActor SetMapper outlineMapper
eval [outlineActor GetProperty] SetColor $black
# Graphics stuff
# Create the RenderWindow, Renderer and both Actors
#
vtkRenderer ren1
vtkRenderWindow renWin
renWin SetMultiSamples 0
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# Add the actors to the renderer, set the background and size
#
ren1 AddActor outlineActor
ren1 SetBackground 1 1 1
renWin SetSize 400 400
set cam1 [ren1 GetActiveCamera]
$cam1 SetClippingRange 3.76213 10.712
$cam1 SetFocalPoint -0.0842503 -0.136905 0.610234
$cam1 SetPosition 2.53813 2.2678 -5.22172
$cam1 SetViewUp -0.241047 0.930635 0.275343
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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