new_contents: #!/usr/bin/env python
  import vtk
  
  def main():
      colors = vtk.vtkNamedColors()
      # Create the RenderWindow, Renderer and both Actors
      renderer = vtk.vtkRenderer()
      renderWindow = vtk.vtkRenderWindow()
      renderWindow.AddRenderer(renderer)
      renderWindowInteractor = vtk.vtkRenderWindowInteractor()
      renderWindowInteractor.SetRenderWindow(renderWindow)
      
      # Create a line
      lineSource = vtk.vtkLineSource()
      lineSource.SetPoint1(0.0, 0.0, 0.0)
      lineSource.SetPoint2(0.0, 1.0, 0.0)
      lineSource.SetResolution(20)
      lineSource.Update()
      
      # Create a tube (cylinder) around the line
      tubeFilter = vtk.vtkTubeFilter()
      tubeFilter.SetInputConnection(lineSource.GetOutputPort())
      tubeFilter.SetRadius(.01) #default is .5
      tubeFilter.SetNumberOfSides(50)
      tubeFilter.Update()
      
      warpTo = vtk.vtkWarpTo()
      warpTo.SetInputConnection(tubeFilter.GetOutputPort())
      warpTo.SetPosition(10, 1, 0)
      warpTo.SetScaleFactor(5)
      warpTo.AbsoluteOn()
      
      mapper = vtk.vtkDataSetMapper()
      mapper.SetInputConnection(warpTo.GetOutputPort())
      mapper.ScalarVisibilityOff()
      
      actor = vtk.vtkActor()
      actor.SetMapper(mapper)
  	
      renderer.SetBackground(colors.GetColor3d("green"))
      renderer.AddActor(actor)
      renderWindowInteractor.Initialize()
      renderWindowInteractor.Start()
  
  if __name__ == '__main__':
      main()
  
subject: Create WarpTo.py