[vtkusers] How do I make my own labels with vtkLabeledDataMapper?

[de Boer Ingo]

Hi,

I looked at the labeledMesh.tcl sample.
Now, I want to have like "a", "b", "c", etc instead
of "1", "2", "3", etc at my points.

How do I do that ? Do I have to write my own filter ?
Any hints ?

greets
  Ingo