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88 lines
2.4 KiB
88 lines
2.4 KiB
package require vtk
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package require vtkinteraction
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package require vtktesting
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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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# 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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vtkPlaneSource ps
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ps SetXResolution 4
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ps SetYResolution 4
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ps SetOrigin 2 -2 26
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ps SetPoint1 2 2 26
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ps SetPoint2 2 -2 32
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vtkPolyDataMapper psMapper
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psMapper SetInputConnection [ps GetOutputPort]
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vtkActor psActor
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psActor SetMapper psMapper
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[psActor GetProperty] SetRepresentationToWireframe
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vtkRungeKutta4 rk4
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vtkStreamLine streamer
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streamer SetInputConnection [pl3d GetOutputPort]
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streamer SetSource [ps GetOutput]
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streamer SetMaximumPropagationTime 100
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streamer SetIntegrationStepLength .2
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streamer SetStepLength .001
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streamer SetNumberOfThreads 1
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streamer SetIntegrationDirectionToForward
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streamer VorticityOn
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streamer SetIntegrator rk4
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vtkRibbonFilter rf
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rf SetInputConnection [streamer GetOutputPort]
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rf SetWidth 0.1
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rf SetWidthFactor 5
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vtkPolyDataMapper streamMapper
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streamMapper SetInputConnection [rf GetOutputPort]
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eval streamMapper SetScalarRange [[pl3d GetOutput] GetScalarRange]
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vtkActor streamline
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streamline SetMapper streamMapper
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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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# Add the actors to the renderer, set the background and size
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#
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ren1 AddActor psActor
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ren1 AddActor outlineActor
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ren1 AddActor streamline
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ren1 SetBackground 1 1 1
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renWin SetSize 300 300
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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 9.71821 0.458166 29.3999
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$cam1 SetPosition 2.7439 -37.3196 38.7167
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$cam1 SetViewUp -0.16123 0.264271 0.950876
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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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# for testing
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set threshold 15
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