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153 lines
4.3 KiB
153 lines
4.3 KiB
2 years ago
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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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vtkSplitField sf
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sf SetInputConnection [pl3d GetOutputPort]
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sf SetInputField "VECTORS" "POINT_DATA"
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sf Split 0 "vx"
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sf Split 1 "vy"
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sf Split 2 "vz"
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sf Print
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vtkAssignAttribute aax
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aax SetInputConnection [sf GetOutputPort]
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aax Assign "vx" "SCALARS" "POINT_DATA"
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vtkContourFilter isoVx
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isoVx SetInputConnection [aax GetOutputPort]
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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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vtkAssignAttribute aay
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aay SetInputConnection [sf GetOutputPort]
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aay Assign "vy" "SCALARS" "POINT_DATA"
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vtkContourFilter isoVy
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isoVy SetInputConnection [aay GetOutputPort]
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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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vtkAssignAttribute aaz
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aaz SetInputConnection [sf GetOutputPort]
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aaz Assign "vz" "SCALARS" "POINT_DATA"
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vtkContourFilter isoVz
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isoVz SetInputConnection [aaz GetOutputPort]
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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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vtkMergeFields mf
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mf SetInputConnection [sf GetOutputPort]
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mf SetOutputField "merged" "POINT_DATA"
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mf SetNumberOfComponents 3
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mf Merge 0 "vy" 0
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mf Merge 1 "vz" 0
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mf Merge 2 "vx" 0
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mf Print
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vtkAssignAttribute aa
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aa SetInputConnection [mf GetOutputPort]
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aa Assign "merged" "SCALARS" "POINT_DATA"
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vtkAssignAttribute aa2
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aa2 SetInputConnection [aa GetOutputPort]
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aa2 Assign "SCALARS" "VECTORS" "POINT_DATA"
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vtkStreamLine sl
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sl SetInputConnection [aa2 GetOutputPort]
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sl SetStartPosition 2 -2 26
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sl SetMaximumPropagationTime 40
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sl SetIntegrationStepLength 0.2
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sl SetIntegrationDirectionToForward
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sl SetStepLength 0.001
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vtkRibbonFilter rf
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rf SetInputConnection [sl GetOutputPort]
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rf SetWidth 1.0
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rf SetWidthFactor 5
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vtkPolyDataMapper slMapper
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slMapper SetInputConnection [rf GetOutputPort]
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slMapper ImmediateModeRenderingOn
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vtkActor slActor
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slActor SetMapper slMapper
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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 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 AddActor slActor
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slActor AddPosition 0 24 0
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ren1 AddActor outlineActor
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outlineActor AddPosition 0 24 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 -20.3093 20.55444 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 GetActiveCamera] Dolly 0.4
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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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