    actor = vtkSpiderPlotActor()
    actor.SetInputData(dobj)
    actor.SetTitle("Spider Plot")
    actor.SetIndependentVariablesToColumns()
    actor.GetPositionCoordinate().SetValue(0.05, 0.1, 0.0)
    actor.GetPosition2Coordinate().SetValue(0.95, 0.85, 0.0)
