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62 lines
1.7 KiB
62 lines
1.7 KiB
2 years ago
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# This example shows how to use decimation to reduce a polygonal mesh. We also
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# use mesh smoothing and generate surface normals to give a pleasing result.
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#
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package require vtk
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package require vtkinteraction
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# We start by reading some data that was originally captured from
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# a Cyberware laser digitizing system.
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#
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vtkPolyDataReader fran
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fran SetFileName "$VTK_DATA_ROOT/Data/fran_cut.vtk"
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# We want to preserve topology (not let any cracks form). This may limit
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# the total reduction possible, which we have specified at 90%.
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#
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vtkDecimatePro deci
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deci SetInputConnection [fran GetOutputPort]
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deci SetTargetReduction 0.9
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deci PreserveTopologyOn
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vtkPolyDataNormals normals
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normals SetInputConnection [fran GetOutputPort]
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normals FlipNormalsOn
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vtkPolyDataMapper franMapper
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franMapper SetInputConnection [normals GetOutputPort]
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vtkActor franActor
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franActor SetMapper franMapper
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eval [franActor GetProperty] SetColor 1.0 0.49 0.25
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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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# Add the actors to the renderer, set the background and size
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#
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ren1 AddActor franActor
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ren1 SetBackground 1 1 1
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renWin SetSize 250 250
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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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vtkCamera cam1
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cam1 SetClippingRange 0.0475572 2.37786
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cam1 SetFocalPoint 0.052665 -0.129454 -0.0573973
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cam1 SetPosition 0.327637 -0.116299 -0.256418
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cam1 SetViewUp -0.0225386 0.999137 0.034901
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ren1 SetActiveCamera cam1
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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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