[osg-users] picking/selecting invisible objects

alessandro terenzi a.terenzi at gmail.com
Sat Oct 13 00:38:43 PDT 2007

I'd like to ask some hint on how to be able to pick/select invisible 3D

In my scene, I need to have a totally transparent object and, when the mouse
moves on it, it should reveal its presence, for example displaying a halo or
something like this.
How can I pick such an invisible object?

Thank you. Best regards.
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