[vtkusers] how to get index of a point of a polygon?

[Prabhu Ramachandran]

>>>>> "EC" == Elvis Chen <anisotropic7 at yahoo.ca> writes:

    EC> My question is, once I read the .vtk file through
    EC> vtkPolyDataReader, how to I get the index of a point that a
    EC> given triangle is made of?  e.g.  for triangle 2, how do I get
    EC> indices of (6,7,8) back?

r = vtkPolyDataReader()
# setup your reader.
r.Update()
o = r.GetOutput()
c = o.GetCell(2)
for i in range(c.GetNumberOfPoints()):
  print c.GetPointId(i)

prabhu