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50 lines
1.3 KiB
50 lines
1.3 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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# create a rendering window and renderer
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vtkRenderer ren1
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vtkRenderWindow renWin
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renWin AddRenderer ren1
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renWin StereoCapableWindowOn
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vtkRenderWindowInteractor iren
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iren SetRenderWindow renWin
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vtkGenericEnSightReader reader
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reader SetCaseFileName "$VTK_DATA_ROOT/Data/EnSight/elements6.case"
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reader Update
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vtkGeometryFilter geom
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geom SetInputConnection [reader GetOutputPort]
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vtkArrayCalculator calc
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calc SetInputConnection [geom GetOutputPort]
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calc SetAttributeModeToUsePointData
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calc SetFunction "pointCVectors_r . pointCVectors_i + pointScalars"
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calc AddScalarArrayName "pointScalars" 0
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calc AddVectorArrayName "pointCVectors_r" 0 1 2
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calc AddVectorArrayName "pointCVectors_i" 0 1 2
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calc SetResultArrayName "test"
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vtkPolyDataMapper mapper
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mapper SetInputConnection [calc GetOutputPort]
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mapper SetColorModeToMapScalars
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mapper SetScalarModeToUsePointFieldData
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mapper ColorByArrayComponent "test" 0
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mapper SetScalarRange 0 36000
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vtkActor actor
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actor SetMapper mapper
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# assign our actor to the renderer
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ren1 AddActor actor
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# enable user interface interactor
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iren AddObserver UserEvent {wm deiconify .vtkInteract}
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iren Initialize
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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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