old_contents: #!/usr/bin/env python
  
  # This example demonstrates how to use 2D Delaunay triangulation.
  # We create a fancy image of a 2D Delaunay triangulation. Points are
  # randomly generated.
  
  import vtk
  from vtk.util.colors import *
  
  # Generate some random points
  math = vtk.vtkMath()
  points = vtk.vtkPoints()
  for i in range(0, 50):
      points.InsertPoint(i, math.Random(0, 1), math.Random(0, 1), 0.0)
  
  # Create a polydata with the points we just created.
  profile = vtk.vtkPolyData()
  profile.SetPoints(points)
  
  # Perform a 2D Delaunay triangulation on them.
  delny = vtk.vtkDelaunay2D()
  delny.SetInput(profile)
  delny.SetTolerance(0.001)
  mapMesh = vtk.vtkPolyDataMapper()
  mapMesh.SetInputConnection(delny.GetOutputPort())
  meshActor = vtk.vtkActor()
  meshActor.SetMapper(mapMesh)
  meshActor.GetProperty().SetColor(.1, .2, .4)
  
  # We will now create a nice looking mesh by wrapping the edges in tubes,
  # and putting fat spheres at the points.
  extract = vtk.vtkExtractEdges()
  extract.SetInputConnection(delny.GetOutputPort())
  tubes = vtk.vtkTubeFilter()
  tubes.SetInputConnection(extract.GetOutputPort())
  tubes.SetRadius(0.01)
  tubes.SetNumberOfSides(6)
  mapEdges = vtk.vtkPolyDataMapper()
  mapEdges.SetInputConnection(tubes.GetOutputPort())
  edgeActor = vtk.vtkActor()
  edgeActor.SetMapper(mapEdges)
  edgeActor.GetProperty().SetColor(peacock)
  edgeActor.GetProperty().SetSpecularColor(1, 1, 1)
  edgeActor.GetProperty().SetSpecular(0.3)
  edgeActor.GetProperty().SetSpecularPower(20)
  edgeActor.GetProperty().SetAmbient(0.2)
  edgeActor.GetProperty().SetDiffuse(0.8)
  
  ball = vtk.vtkSphereSource()
  ball.SetRadius(0.025)
  ball.SetThetaResolution(12)
  ball.SetPhiResolution(12)
  balls = vtk.vtkGlyph3D()
  balls.SetInputConnection(delny.GetOutputPort())
  balls.SetSource(ball.GetOutput())
  mapBalls = vtk.vtkPolyDataMapper()
  mapBalls.SetInputConnection(balls.GetOutputPort())
  ballActor = vtk.vtkActor()
  ballActor.SetMapper(mapBalls)
  ballActor.GetProperty().SetColor(hot_pink)
  ballActor.GetProperty().SetSpecularColor(1, 1, 1)
  ballActor.GetProperty().SetSpecular(0.3)
  ballActor.GetProperty().SetSpecularPower(20)
  ballActor.GetProperty().SetAmbient(0.2)
  ballActor.GetProperty().SetDiffuse(0.8)
  
  # Create the rendering window, renderer, and interactive renderer
  ren = vtk.vtkRenderer()
  renWin = vtk.vtkRenderWindow()
  renWin.AddRenderer(ren)
  iren = vtk.vtkRenderWindowInteractor()
  iren.SetRenderWindow(renWin)
  
  # Add the actors to the renderer, set the background and size
  ren.AddActor(ballActor)
  ren.AddActor(edgeActor)
  ren.SetBackground(1, 1, 1)
  renWin.SetSize(150, 150)
  
  ren.ResetCamera()
  ren.GetActiveCamera().Zoom(1.5)
  
  # Interact with the data.
  iren.Initialize()
  renWin.Render()
  iren.Start()
  
new_contents: #!/usr/bin/env python
  
  # This example demonstrates how to use 2D Delaunay triangulation.
  # We create a fancy image of a 2D Delaunay triangulation. Points are
  # randomly generated.
  
  import vtk
  from vtk.util.colors import *
  
  # Generate some random points
  math = vtk.vtkMath()
  points = vtk.vtkPoints()
  for i in range(0, 50):
      points.InsertPoint(i, math.Random(0, 1), math.Random(0, 1), 0.0)
  
  # Create a polydata with the points we just created.
  profile = vtk.vtkPolyData()
  profile.SetPoints(points)
  
  # Perform a 2D Delaunay triangulation on them.
  delny = vtk.vtkDelaunay2D()
  delny.SetInput(profile)
  delny.SetTolerance(0.001)
  mapMesh = vtk.vtkPolyDataMapper()
  mapMesh.SetInputConnection(delny.GetOutputPort())
  meshActor = vtk.vtkActor()
  meshActor.SetMapper(mapMesh)
  meshActor.GetProperty().SetColor(.1, .2, .4)
  
  # We will now create a nice looking mesh by wrapping the edges in tubes,
  # and putting fat spheres at the points.
  extract = vtk.vtkExtractEdges()
  extract.SetInputConnection(delny.GetOutputPort())
  tubes = vtk.vtkTubeFilter()
  tubes.SetInputConnection(extract.GetOutputPort())
  tubes.SetRadius(0.01)
  tubes.SetNumberOfSides(6)
  mapEdges = vtk.vtkPolyDataMapper()
  mapEdges.SetInputConnection(tubes.GetOutputPort())
  edgeActor = vtk.vtkActor()
  edgeActor.SetMapper(mapEdges)
  edgeActor.GetProperty().SetColor(peacock)
  edgeActor.GetProperty().SetSpecularColor(1, 1, 1)
  edgeActor.GetProperty().SetSpecular(0.3)
  edgeActor.GetProperty().SetSpecularPower(20)
  edgeActor.GetProperty().SetAmbient(0.2)
  edgeActor.GetProperty().SetDiffuse(0.8)
  
  ball = vtk.vtkSphereSource()
  ball.SetRadius(0.025)
  ball.SetThetaResolution(12)
  ball.SetPhiResolution(12)
  balls = vtk.vtkGlyph3D()
  balls.SetInputConnection(delny.GetOutputPort())
  balls.SetSourceConnection(ball.GetOutputPort())
  mapBalls = vtk.vtkPolyDataMapper()
  mapBalls.SetInputConnection(balls.GetOutputPort())
  ballActor = vtk.vtkActor()
  ballActor.SetMapper(mapBalls)
  ballActor.GetProperty().SetColor(hot_pink)
  ballActor.GetProperty().SetSpecularColor(1, 1, 1)
  ballActor.GetProperty().SetSpecular(0.3)
  ballActor.GetProperty().SetSpecularPower(20)
  ballActor.GetProperty().SetAmbient(0.2)
  ballActor.GetProperty().SetDiffuse(0.8)
  
  # Create the rendering window, renderer, and interactive renderer
  ren = vtk.vtkRenderer()
  renWin = vtk.vtkRenderWindow()
  renWin.AddRenderer(ren)
  iren = vtk.vtkRenderWindowInteractor()
  iren.SetRenderWindow(renWin)
  
  # Add the actors to the renderer, set the background and size
  ren.AddActor(ballActor)
  ren.AddActor(edgeActor)
  ren.SetBackground(1, 1, 1)
  renWin.SetSize(150, 150)
  
  ren.ResetCamera()
  ren.GetActiveCamera().Zoom(1.5)
  
  # Interact with the data.
  iren.Initialize()
  renWin.Render()
  iren.Start()
  
subject: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.3 -j1.4 Examples/Modelling/Python/DelMesh.py)