Worried by Source->Output registering

[Ken Martin]

At 01:56 PM 5/17/00 +0100, John Biddiscombe wrote:
>Source->SetOutput(dataobject) causes output to be registered, and output in
>turn registers source.
>
>Problem is that if Source->Delete is called, it hangs aound until the
>dataobject is destroyed. This can consume excess memory in some (complex
>filter) cases.

If the data is being held onto by the application, then the filter that 
produced it might be needed. To indicate that only the data is of interest 
you can do

data->SetSource(NULL);

and that should break the chain and free the filter.

- Ken

--------------------------------------------------------------------
This is the private VTK discussion list. Please keep messages on-topic.
Check the FAQ at: <http://public.kitware.com/cgi-bin/vtkfaq>
To UNSUBSCRIBE, send message body containing "unsubscribe vtkusers" to
<majordomo at public.kitware.com>. For help, send message body containing
"info vtkusers" to the same address.
--------------------------------------------------------------------