ConnectivityFilter
VTKExamples/Python/Filtering/ConnectivityFilter
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ConnectivityFilter.py
#!/usr/bin/env python import vtk def main(): sphereSource1 = vtk.vtkSphereSource() sphereSource1.Update() delaunay1 = vtk.vtkDelaunay3D() delaunay1.SetInputConnection(sphereSource1.GetOutputPort()) delaunay1.Update() sphereSource2 = vtk.vtkSphereSource() sphereSource2.SetCenter(5,0,0) sphereSource2.Update() delaunay2 = vtk.vtkDelaunay3D() delaunay2.SetInputConnection(sphereSource2.GetOutputPort()) delaunay2.Update() appendFilter = vtk.vtkAppendFilter() appendFilter.AddInputConnection(delaunay1.GetOutputPort()) appendFilter.AddInputConnection(delaunay2.GetOutputPort()) appendFilter.Update() connectivityFilter = vtk.vtkConnectivityFilter() connectivityFilter.SetInputConnection(appendFilter.GetOutputPort()) connectivityFilter.SetExtractionModeToAllRegions() connectivityFilter.ColorRegionsOn() connectivityFilter.Update() # Visualize mapper = vtk.vtkDataSetMapper() mapper.SetInputConnection(connectivityFilter.GetOutputPort()) mapper.Update() actor = vtk.vtkActor() actor.SetMapper(mapper) renderer = vtk.vtkRenderer() renderer.AddActor(actor) renWindow = vtk.vtkRenderWindow() renWindow.AddRenderer(renderer) iren = vtk.vtkRenderWindowInteractor() iren.SetRenderWindow(renWindow) iren.Initialize() iren.Start() if __name__ == '__main__': main()