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79 lines
2.0 KiB
79 lines
2.0 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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vtkPLOT3DReader reader
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reader SetXYZFileName "$VTK_DATA_ROOT/Data/combxyz.bin"
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reader SetQFileName "$VTK_DATA_ROOT/Data/combq.bin"
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reader SetScalarFunctionNumber 110
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reader Update
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# create outline
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vtkStructuredGridOutlineFilter outlineF
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outlineF SetInputConnection [reader GetOutputPort]
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vtkPolyDataMapper outlineMapper
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outlineMapper SetInputConnection [outlineF GetOutputPort]
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vtkActor outline
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outline SetMapper outlineMapper
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[outline GetProperty] SetColor 0 0 0
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# create cursor
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vtkCursor3D cursor
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eval cursor SetModelBounds [[reader GetOutput] GetBounds]
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eval cursor SetFocalPoint [[reader GetOutput] GetCenter]
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cursor AllOff
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cursor AxesOn
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cursor OutlineOn
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cursor XShadowsOn
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cursor YShadowsOn
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cursor ZShadowsOn
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vtkPolyDataMapper cursorMapper
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cursorMapper SetInputConnection [cursor GetOutputPort]
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vtkActor cursorActor
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cursorActor SetMapper cursorMapper
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[cursorActor GetProperty] SetColor 1 0 0
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# create probe
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vtkProbeFilter probe
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probe SetInput [cursor GetFocus]
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probe SetSource [reader GetOutput]
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# create a cone geometry for glyph
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vtkConeSource cone
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cone SetResolution 16
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cone SetRadius 0.25
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# create glyph
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vtkGlyph3D glyph
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glyph SetInputConnection [probe GetOutputPort]
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glyph SetSource [cone GetOutput]
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glyph SetVectorModeToUseVector
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glyph SetScaleModeToScaleByScalar
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glyph SetScaleFactor .0002
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vtkPolyDataMapper glyphMapper
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glyphMapper SetInputConnection [glyph GetOutputPort]
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vtkActor glyphActor
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glyphActor SetMapper glyphMapper
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ren1 AddActor outline
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ren1 AddActor cursorActor
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ren1 AddActor glyphActor
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ren1 SetBackground 1.0 1.0 1.0
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renWin SetSize 200 200
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ren1 ResetCamera
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[ren1 GetActiveCamera] Elevation 60
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ren1 ResetCameraClippingRange
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renWin Render
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iren AddObserver UserEvent {wm deiconify .vtkInteract}
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iren Initialize
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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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