Hi All! I'm using OSG to implement my own scene graph to draw my scene on the screen. Sometimes I would need to select an object even if it is invisible (I mean that the switch node it is attached to is set to off). But this seems impossible to me, because I don't want to draw the object, so I have to disable that switch. On the other hand, if I disable the switch, how can I select it (with the standard OpenGL picking mechanism)? Do I have to duplicate the scene graph, one for selection and the other for drawing?
Thank you in advance for your suggestions. Gianluca Natale
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