Defeating pfdCleanTree

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From: Simon Mills (simon++at++wgs.estec.esa.nl)
Date: 02/08/2000 02:59:54

Hi Performers,

I'm subclassing a pfGroup to add some extra functionality. It's attached
to the scene graph with no children. However, when I load my whole
database and it's optimized with pfdCleanTree it's being removed. How
can I defeat pfdCleanTree from removing my specialized pfGroup (or
copying it's callbacks to it's parent and effectively renaming it)?

BTW, I first tried to subclass pfNode but this proved very difficult so
I tried pfGroup with success. The down-side is that I get the above
problem.

Regards, Simon
________________________________________________________________________

Simon Mills
Silicon Worlds S.A.
c/o Modelling & Simulation Section (TOS-EMM) Tel: +31 (0)71 565 3725
European Space Agency (ESA/ESTEC) Fax: +31 (0)71 565 5419
Postbus 299, 2200AG Noordwijk e-mail: simon++at++wgs.estec.esa.nl
The Netherlands http://www.estec.esa.nl/wmwww/EMM
________________________________________________________________________

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