Hi

>During the traversal of a scene rendered through a RTT camera, how the nested cameras behave ?
 
Same as usual, render to framebuffer by default.
>Do they automatically acquire the RTT camera target ? Do I have to set up something ?
 
Yes, you should specify rendertarget if you dont want to get result on framebuffer.
You should explicitly attach same rtt to both your cameras.
 
Cheers.
31.08.2012, 16:48, "Luc Frauciel" <[email protected]>:
Hi everybody,

I'm stuck with a problem when trying to render to RTT camera.

I want to render a scene to a RTT camera (the way osgposter does it).
In my scene, I've got a osgephemeris SkyNode.
To avoid culling problems, the skynode is rendered with it's own Camera
( see : http://osdir.com/ml/OpenSceneGraph-Users/2009-04/msg01170.html the suggestion of J-S Guay)

While rendering directly to frame buffer my scene is ok  : scene + skydome
While rendering to a RTT camera, the objects below the Skydome camera are not rendered in the texture.
I've tried to play with different parameters (render order etc...) but I don't understand how it work (or should work).

During the traversal of a scene rendered through a RTT camera, how the nested cameras behave ?
Do they automatically acquire the RTT camera target ? Do I have to set up something ?

      Luc

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