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73 lines
2.0 KiB
73 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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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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vtkSLCReader slc
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slc SetFileName "$VTK_DATA_ROOT/Data/nut.slc"
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set types "Char UnsignedChar Short UnsignedShort Int UnsignedInt Long UnsignedLong Float Double"
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set i 3
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foreach vtkType $types {
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vtkImageClip clip$vtkType
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clip$vtkType SetInputConnection [slc GetOutputPort]
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clip$vtkType SetOutputWholeExtent -1000 1000 -1000 1000 $i $i
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incr i 2
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vtkImageCast castTo$vtkType
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castTo$vtkType SetOutputScalarTypeTo$vtkType
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castTo$vtkType SetInputConnection [clip$vtkType GetOutputPort]
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castTo$vtkType ClampOverflowOn
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vtkContourFilter iso$vtkType
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iso$vtkType SetInputConnection [castTo$vtkType GetOutputPort]
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iso$vtkType GenerateValues 1 30 30
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vtkPolyDataMapper iso${vtkType}Mapper
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iso${vtkType}Mapper SetInputConnection [iso$vtkType GetOutputPort]
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iso${vtkType}Mapper SetColorModeToMapScalars
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vtkActor iso${vtkType}Actor
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iso${vtkType}Actor SetMapper iso${vtkType}Mapper
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ren1 AddActor iso${vtkType}Actor
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}
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vtkOutlineFilter outline
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outline SetInputConnection [slc 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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outlineActor VisibilityOff
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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 ResetCamera
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[ren1 GetActiveCamera] SetViewAngle 30
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[ren1 GetActiveCamera] Elevation 20
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[ren1 GetActiveCamera] Azimuth 20
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[ren1 GetActiveCamera] Zoom 1.5
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ren1 ResetCameraClippingRange
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ren1 SetBackground 0.9 .9 .9
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renWin SetSize 200 200
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iren Initialize
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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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# prevent the tk window from showing up then start the event loop
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wm withdraw .
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