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63 lines
1.3 KiB
63 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 some random points in the unit cube centered at (.5,.5,.5)
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#
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vtkMath math
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vtkPoints points
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for {set i 0} {$i<25} {incr i 1} {
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eval points InsertPoint $i [math Random 0 1] [math Random 0 1] [math Random 0 1]
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}
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vtkPolyData profile
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profile SetPoints points
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# triangulate them
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#
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vtkDelaunay3D del1
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del1 SetInput profile
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del1 BoundingTriangulationOn
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del1 SetTolerance 0.01
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del1 SetAlpha 0.2
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del1 BoundingTriangulationOff
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vtkShrinkFilter shrink
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shrink SetInputConnection [del1 GetOutputPort]
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shrink SetShrinkFactor 0.9
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vtkDataSetMapper map
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map SetInputConnection [shrink GetOutputPort]
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vtkActor triangulation
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triangulation SetMapper map
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[triangulation GetProperty] SetColor 1 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 triangulation
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ren1 SetBackground 1 1 1
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renWin SetSize 250 250
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renWin Render
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set cam1 [ren1 GetActiveCamera]
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$cam1 Zoom 1.5
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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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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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