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package require vtk
package require vtkinteraction
# create a rendering window and renderer
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
renWin StereoCapableWindowOn
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
vtkGenericEnSightReader reader
# Make sure all algorithms use the composite data pipeline
vtkCompositeDataPipeline cdp
reader SetDefaultExecutivePrototype cdp
reader SetCaseFileName "$VTK_DATA_ROOT/Data/EnSight/blow2_ascii.case"
reader SetTimeValue 1
vtkGeometryFilter geom
geom SetInputConnection [reader GetOutputPort]
vtkHierarchicalPolyDataMapper mapper
mapper SetInputConnection [geom GetOutputPort]
mapper SetColorModeToMapScalars
mapper SetScalarModeToUsePointFieldData
mapper ColorByArrayComponent "displacement" 0
mapper SetScalarRange 0 2.08
vtkActor actor
actor SetMapper mapper
# assign our actor to the renderer
ren1 AddActor actor
# enable user interface interactor
iren AddObserver UserEvent {wm deiconify .vtkInteract}
iren Initialize
[ren1 GetActiveCamera] SetPosition 99.3932 17.6571 -22.6071
[ren1 GetActiveCamera] SetFocalPoint 3.5 12 1.5
[ren1 GetActiveCamera] SetViewAngle 30
[ren1 GetActiveCamera] SetViewUp 0.239617 -0.01054 0.97081
ren1 ResetCameraClippingRange
renWin Render
# prevent the tk window from showing up then start the event loop
wm withdraw .
reader SetDefaultExecutivePrototype {}
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