    annotationLink = vtkAnnotationLink()
    # If you don't set the FieldType explicitly it ends up as UNKNOWN
    # (as of 21 Feb 2010)
    # See vtkSelectionNode doc for field and content type enum values
    annotationLink.GetCurrentSelection().GetNode(0).SetFieldType(1)  # Point
    annotationLink.GetCurrentSelection().GetNode(0).SetContentType(4)  # Indices
--
    annotationLink = vtkAnnotationLink()
    view.GetRepresentation(0).SetAnnotationLink(annotationLink)

    def select_callback(caller, event):
        '''
        In this particular data representation the current selection in the
