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package require vtk
package require vtkinteraction
# create a rendering window and renderer
vtkRenderer ren1
ren1 SetBackground 0 0 0
vtkRenderWindow renWin
renWin AddRenderer ren1
renWin SetSize 300 300
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# camera parameters
set camera [ren1 GetActiveCamera]
$camera SetPosition -54.8012 109.471 231.412
$camera SetFocalPoint 33 33 33
$camera SetViewUp 0.157687 0.942832 -0.293604
$camera SetViewAngle 30
$camera SetClippingRange 124.221 363.827
vtkGenericEnSightReader reader
# Make sure all algorithms use the composite data pipeline
vtkCompositeDataPipeline cdp
reader SetDefaultExecutivePrototype cdp
reader SetCaseFileName "$VTK_DATA_ROOT/Data/EnSight/ironProt_bin.case"
vtkContourFilter Contour0
Contour0 SetInputConnection [reader GetOutputPort]
Contour0 SetValue 0 200
Contour0 SetComputeScalars 1
vtkHierarchicalPolyDataMapper mapper
mapper SetInputConnection [Contour0 GetOutputPort]
mapper SetImmediateModeRendering 1
mapper SetScalarRange 0 1
mapper SetScalarVisibility 1
vtkActor actor
actor SetMapper mapper
[actor GetProperty] SetRepresentationToSurface
[actor GetProperty] SetInterpolationToGouraud
ren1 AddActor actor
# 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 .
reader SetDefaultExecutivePrototype {}
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