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71 lines
1.8 KiB
71 lines
1.8 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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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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# read data
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#
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vtkStructuredGridReader reader
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reader SetFileName "$VTK_DATA_ROOT/Data/office.binary.vtk"
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reader Update;#force a read to occur
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vtkStructuredGridOutlineFilter outline
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outline SetInputConnection [reader GetOutputPort]
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vtkPolyDataMapper mapOutline
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mapOutline SetInputConnection [outline GetOutputPort]
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vtkActor outlineActor
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outlineActor SetMapper mapOutline
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[outlineActor GetProperty] SetColor 0 0 0
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vtkRungeKutta45 rk
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# Create source for streamtubes
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vtkStreamTracer streamer
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streamer SetInputConnection [reader GetOutputPort]
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streamer SetStartPosition 0.1 2.1 0.5
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streamer SetMaximumPropagation 0 500
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streamer SetMinimumIntegrationStep 1 0.1
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streamer SetMaximumIntegrationStep 1 1.0
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streamer SetInitialIntegrationStep 2 0.2
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streamer SetIntegrationDirection 0
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streamer SetIntegrator rk
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streamer SetRotationScale 0.5
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streamer SetMaximumError 1.0e-8
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vtkAssignAttribute aa
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aa SetInputConnection [streamer GetOutputPort]
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aa Assign "Normals" "NORMALS" "POINT_DATA"
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vtkRibbonFilter rf1
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rf1 SetInputConnection [aa GetOutputPort]
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rf1 SetWidth 0.1
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rf1 VaryWidthOff
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vtkPolyDataMapper mapStream
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mapStream SetInputConnection [rf1 GetOutputPort]
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eval mapStream SetScalarRange [[reader GetOutput] GetScalarRange]
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vtkActor streamActor
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streamActor SetMapper mapStream
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ren1 AddActor outlineActor
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ren1 AddActor streamActor
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ren1 SetBackground 0.4 0.4 0.5
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set cam [ren1 GetActiveCamera]
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$cam SetPosition -2.35599 -3.35001 4.59236
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$cam SetFocalPoint 2.255 2.255 1.28413
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$cam SetViewUp 0.311311 0.279912 0.908149
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$cam SetClippingRange 1.12294 16.6226
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renWin SetSize 300 200
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iren AddObserver UserEvent {wm deiconify .vtkInteract}
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iren Initialize
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# interact with data
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wm withdraw .
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