import vtk
# create a rendering window and renderer
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
# create a renderwindowinteractor
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# create source
source = vtk.vtkSphereSource()
source.SetCenter(400000,7000000,0)
source.SetRadius(10000.0)
# mapper
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(source.GetOutput())
# actor
actor = vtk.vtkActor()
actor.SetMapper(mapper)
# Add the axes actor
cubeAct = vtk.vtkCubeAxesActor()
cubeAct.SetCamera(ren.GetActiveCamera())
cubeAct.SetBounds(actor.GetBounds())
cubeAct.SetYLabelFormat('%-#1.4g') # default setting is '%-#6.3g'
# assign actor to the renderer
ren.AddActor(actor)
ren.AddActor(cubeAct)
ren.Render()
# enable user interface interactor
ren.ResetCamera()
iren.Initialize()
renWin.Render()
iren.Start()

iren.GetRenderWindow().Finalize()
iren.TerminateApp()
del renWin, iren, ren