from vtk import * reader = vtkXMLTreeReader() reader.SetFileName("vtkclasses.xml") view = vtkGraphLayoutView() view.AddRepresentationFromInputConnection(reader.GetOutputPort()) view.SetVertexLabelArrayName("id") view.SetVertexLabelVisibility(True) view.SetVertexColorArrayName("vertex id") view.SetColorVertices(True) view.SetLayoutStrategyToCone() view.SetInteractionModeTo3D() # Left mouse button causes 3D rotate instead of zoom theme = vtkViewTheme.CreateMellowTheme() theme.SetCellColor(.2,.2,.6) theme.SetLineWidth(2) theme.SetPointSize(10) view.ApplyViewTheme(theme) theme.FastDelete() view.GetRenderWindow().SetSize(600, 600) view.ResetCamera() view.Render() view.GetInteractor().Start()