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80 lines
2.5 KiB
80 lines
2.5 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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vtkStructuredPointsReader slc
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slc SetFileName "$VTK_DATA_ROOT/Data/ironProt.vtk"
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set colors "$flesh $banana $grey $pink $carrot $gainsboro $tomato $gold $thistle $chocolate"
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set types "UnsignedChar Char Short UnsignedShort Int UnsignedInt Long UnsignedLong Float Double"
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set i 1
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set c 0
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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 [expr $i + 5]
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incr i 5
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vtkImageCast castTo$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$vtkType GenerateValues 1 30 30
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iso$vtkType ComputeScalarsOff
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iso$vtkType ComputeGradientsOff
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vtkPolyDataMapper iso${vtkType}Mapper
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iso${vtkType}Mapper SetInputConnection [iso$vtkType GetOutputPort]
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iso${vtkType}Mapper ImmediateModeRenderingOn
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vtkActor iso${vtkType}Actor
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iso${vtkType}Actor SetMapper iso${vtkType}Mapper
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[iso${vtkType}Actor GetProperty] SetDiffuseColor [lindex $colors $c] [lindex $colors [expr $c + 1]] [lindex $colors [expr $c + 2]]
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[iso${vtkType}Actor GetProperty] SetSpecularPower 30
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[iso${vtkType}Actor GetProperty] SetDiffuse .7
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[iso${vtkType}Actor GetProperty] SetSpecular .5
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incr c 3
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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 SetBackground 0.9 .9 .9
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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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renWin SetSize 400 400
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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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