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80 lines
2.1 KiB
80 lines
2.1 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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package require vtktesting
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# create pipeline
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#
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vtkPLOT3DReader pl3d
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pl3d SetXYZFileName "$VTK_DATA_ROOT/Data/combxyz.bin"
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pl3d SetQFileName "$VTK_DATA_ROOT/Data/combq.bin"
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pl3d SetScalarFunctionNumber 100
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pl3d SetVectorFunctionNumber 202
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pl3d Update
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# create a crazy implicit function
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set center [[pl3d GetOutput] GetCenter]
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vtkSphere sphere
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eval sphere SetCenter $center
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sphere SetRadius 2.0
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vtkSphere sphere2
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sphere2 SetCenter [expr [lindex $center 0] + 4.0] [lindex $center 1] \
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[lindex $center 2]
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sphere2 SetRadius 4.0
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vtkImplicitBoolean bool
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bool SetOperationTypeToUnion
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bool AddFunction sphere
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bool AddFunction sphere2
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# clip the structured grid to produce a tetrahedral mesh
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vtkClipDataSet clip
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clip SetInputConnection [pl3d GetOutputPort]
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clip SetClipFunction bool
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clip InsideOutOn
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vtkGeometryFilter gf
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gf SetInputConnection [clip GetOutputPort]
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vtkPolyDataMapper clipMapper
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clipMapper SetInputConnection [gf GetOutputPort]
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vtkActor clipActor
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clipActor SetMapper clipMapper
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vtkStructuredGridOutlineFilter outline
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outline SetInputConnection [pl3d GetOutputPort]
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vtkPolyDataMapper outlineMapper
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outlineMapper SetInputConnection [outline GetOutputPort]
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vtkActor outlineActor
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outlineActor SetMapper outlineMapper
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# Create the RenderWindow, Renderer and both Actors
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#
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vtkRenderer ren1
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vtkRenderWindow renWin
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renWin AddRenderer ren1
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vtkRenderWindowInteractor iren
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iren SetRenderWindow renWin
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# Add the actors to the renderer, set the background and size
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#
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ren1 AddActor clipActor
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ren1 AddActor outlineActor
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ren1 SetBackground 1 1 1
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renWin SetSize 250 250
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ren1 SetBackground 0.1 0.2 0.4
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set cam1 [ren1 GetActiveCamera]
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$cam1 SetClippingRange 3.95297 50
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$cam1 SetFocalPoint 8.88908 0.595038 29.3342
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$cam1 SetPosition -12.3332 31.7479 41.2387
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$cam1 SetViewUp 0.060772 -0.319905 0.945498
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iren Initialize
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# render the image
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#
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iren AddObserver UserEvent {wm deiconify .vtkInteract}
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renWin Render
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# prevent the tk window from showing up then start the event loop
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wm withdraw .
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