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102 lines
3.0 KiB
102 lines
3.0 KiB
package require vtk
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package require vtkinteraction
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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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vtkExtractVectorComponents vx
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vx SetInputConnection [pl3d GetOutputPort]
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vtkContourFilter isoVx
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isoVx SetInput [vx GetVxComponent]
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isoVx SetValue 0 .38
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vtkPolyDataNormals normalsVx
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normalsVx SetInputConnection [isoVx GetOutputPort]
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normalsVx SetFeatureAngle 45
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vtkPolyDataMapper isoVxMapper
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isoVxMapper SetInputConnection [normalsVx GetOutputPort]
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isoVxMapper ScalarVisibilityOff
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isoVxMapper ImmediateModeRenderingOn
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vtkActor isoVxActor
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isoVxActor SetMapper isoVxMapper
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eval [isoVxActor GetProperty] SetColor 1 0.7 0.6
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vtkExtractVectorComponents vy
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vy SetInputConnection [pl3d GetOutputPort]
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vtkContourFilter isoVy
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isoVy SetInput [vy GetVyComponent]
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isoVy SetValue 0 .38
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vtkPolyDataNormals normalsVy
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normalsVy SetInputConnection [isoVy GetOutputPort]
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normalsVy SetFeatureAngle 45
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vtkPolyDataMapper isoVyMapper
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isoVyMapper SetInputConnection [normalsVy GetOutputPort]
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isoVyMapper ScalarVisibilityOff
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isoVyMapper ImmediateModeRenderingOn
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vtkActor isoVyActor
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isoVyActor SetMapper isoVyMapper
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eval [isoVyActor GetProperty] SetColor 0.7 1 0.6
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vtkExtractVectorComponents vz
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vz SetInputConnection [pl3d GetOutputPort]
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vtkContourFilter isoVz
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isoVz SetInput [vz GetVzComponent]
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isoVz SetValue 0 .38
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vtkPolyDataNormals normalsVz
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normalsVz SetInputConnection [isoVz GetOutputPort]
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normalsVz SetFeatureAngle 45
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vtkPolyDataMapper isoVzMapper
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isoVzMapper SetInputConnection [normalsVz GetOutputPort]
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isoVzMapper ScalarVisibilityOff
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isoVzMapper ImmediateModeRenderingOn
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vtkActor isoVzActor
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isoVzActor SetMapper isoVzMapper
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eval [isoVzActor GetProperty] SetColor 0.4 0.5 1
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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 outlineActor
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ren1 AddActor isoVxActor
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isoVxActor AddPosition 0 12 0
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ren1 AddActor isoVyActor
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ren1 AddActor isoVzActor
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isoVzActor AddPosition 0 -12 0
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ren1 SetBackground .8 .8 .8
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renWin SetSize 321 321
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[ren1 GetActiveCamera] SetPosition -63.3093 -1.55444 64.3922
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[ren1 GetActiveCamera] SetFocalPoint 8.255 0.0499763 29.7631
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[ren1 GetActiveCamera] SetViewAngle 30
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[ren1 GetActiveCamera] SetViewUp 0 0 1
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ren1 ResetCameraClippingRange
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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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