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83 lines
1.9 KiB
83 lines
1.9 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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# pipeline stuff
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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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vtkGeometryFilter gf
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gf SetInputConnection [pl3d GetOutputPort]
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vtkTriangleFilter tf
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tf SetInputConnection [gf GetOutputPort]
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vtkPolyDataMapper gMapper
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gMapper SetInputConnection [gf GetOutputPort]
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eval gMapper SetScalarRange [[pl3d GetOutput] GetScalarRange]
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vtkActor gActor
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gActor SetMapper gMapper
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# Don't look at attributes
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vtkQuadricDecimation mesh
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mesh SetInputConnection [tf GetOutputPort]
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mesh SetTargetReduction .90
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mesh AttributeErrorMetricOn
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vtkPolyDataMapper mapper
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mapper SetInputConnection [mesh GetOutputPort]
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vtkActor actor
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actor SetMapper mapper
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# This time worry about attributes
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vtkQuadricDecimation mesh2
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mesh2 SetInputConnection [tf GetOutputPort]
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mesh2 SetTargetReduction .90
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mesh2 AttributeErrorMetricOff
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vtkPolyDataMapper mapper2
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mapper2 SetInputConnection [mesh2 GetOutputPort]
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vtkActor actor2
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actor2 SetMapper mapper2
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actor2 AddPosition 0 12 0
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# Create rendering instances
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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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# Set up the camera parameters
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#
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vtkCamera camera
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camera SetPosition 19.34 6.128 -11.96
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camera SetFocalPoint 8.25451 6.0 29.77
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camera SetViewUp 0.9664 0.00605 0.256883
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camera SetViewAngle 30
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camera SetClippingRange 26 64
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ren1 SetActiveCamera camera
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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 actor
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ren1 AddActor actor2
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ren1 SetBackground 1 1 1
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renWin SetSize 400 400
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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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# prevent the tk window from showing up then start the event loop
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wm withdraw .
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set threshold 50
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