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60 lines
1.4 KiB
60 lines
1.4 KiB
package require vtk
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package require vtkinteraction
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# Demonstrate how to extract polygonal cells with an implicit function
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# get the interactor ui
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# create a sphere source and actor
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#
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vtkSphereSource sphere
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sphere SetThetaResolution 8
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sphere SetPhiResolution 16
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sphere SetRadius 1.5
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# Extraction stuff
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vtkTransform t
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t RotateX 90
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vtkCylinder cylfunc
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cylfunc SetRadius 0.5
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cylfunc SetTransform t
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vtkExtractPolyDataGeometry extract
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extract SetInputConnection [sphere GetOutputPort]
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extract SetImplicitFunction cylfunc
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extract ExtractBoundaryCellsOn
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vtkPolyDataMapper sphereMapper
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sphereMapper SetInputConnection [extract GetOutputPort]
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sphereMapper GlobalImmediateModeRenderingOn
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vtkActor sphereActor
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sphereActor SetMapper sphereMapper
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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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renWin SetWindowName "vtk - extractPolyData"
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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 sphereActor
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ren1 ResetCamera
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[ren1 GetActiveCamera] Azimuth 30
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ren1 SetBackground 0.1 0.2 0.4
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renWin SetSize 300 300
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renWin Render
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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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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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