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91 lines
1.9 KiB
91 lines
1.9 KiB
2 years ago
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package require vtk
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package require vtkinteraction
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# read the football dataset:
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#
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vtkUnstructuredGridReader reader
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reader SetFileName "$VTK_DATA_ROOT/Data/PentaHexa.vtk"
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reader Update
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# Clip
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#
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vtkPlane plane
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plane SetNormal 1 1 0
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vtkClipDataSet clip
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clip SetInputConnection [reader GetOutputPort]
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clip SetClipFunction plane
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clip GenerateClipScalarsOn
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vtkDataSetSurfaceFilter g
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g SetInputConnection [clip GetOutputPort]
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vtkPolyDataMapper map
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map SetInputConnection [g GetOutputPort]
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vtkActor clipActor
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clipActor SetMapper map
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# Contour
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#
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vtkContourFilter contour
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contour SetInputConnection [reader GetOutputPort]
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contour SetValue 0 0.125
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contour SetValue 1 0.25
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contour SetValue 2 0.5
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contour SetValue 3 0.75
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contour SetValue 4 1.0
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vtkDataSetSurfaceFilter g2
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g2 SetInputConnection [contour GetOutputPort]
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vtkPolyDataMapper map2
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map2 SetInputConnection [g2 GetOutputPort]
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map2 ScalarVisibilityOff
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vtkActor contourActor
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contourActor SetMapper map2
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[contourActor GetProperty] SetColor 1 0 0
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[contourActor GetProperty] SetRepresentationToWireframe
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# Triangulate
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vtkDataSetTriangleFilter tris
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tris SetInputConnection [reader GetOutputPort]
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vtkShrinkFilter shrink
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shrink SetInputConnection [tris GetOutputPort]
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shrink SetShrinkFactor .8
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vtkDataSetMapper map3
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map3 SetInputConnection [shrink GetOutputPort]
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map3 SetScalarRange 0 26
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vtkActor triActor
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triActor SetMapper map3
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triActor AddPosition 2 0 0
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# Create graphics stuff
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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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# Add the actors to the renderer, set the background and size
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#
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ren1 AddActor clipActor
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ren1 AddActor contourActor
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ren1 AddActor triActor
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ren1 SetBackground 1 1 1
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renWin Render
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# render the image
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#
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iren Initialize
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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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