[vtkusers] Reading an unknown type of XML file

[David Doria]

There is a vtkXMLDataSetWriter which will take almost any object and
write it appropriately.

I am trying to read input of either a vtp or vtu file and pass it to a
vtkPointSetAlgorithm subclass. Is there something like a
vtkXMLPointSetReader or vtkXMLDataSetReader that will take either of
these two files and do the appropriate thing with it?

Thanks,

David