When using OSG::GrabForeground with OpenSG 2, I find that some parts of the 
scene graph are not being grabbed. Is there anything besides the traversal mask 
on the viewport that influences grabbing? The viewport has a traversal mask of 
0x1, and as far as I can tell, the nodes that are not being captured have a 
mask of 0xffffffff. Of the 4151 nodes in the scene graph I just tested, only 4 
do not have a mask of 0xfffffff, and those four being included with the image 
output just as I expect.

In case it makes any difference, the nodes that are being missed are loaded 
from OSB files. We are using a custom render action, but it is a simple 
subclass of OSG::RenderAction that adds two data members needed as a 
conveniences for other parts of our software. The only method that we override 
is OSG::RenderAction::start(), and that is just so that we can set a value for 
one of the two added data members. The override calls up to 
OSG::RenderAction::start() just as it ought to.

 -Patrick


--
Patrick L. Hartling
Senior Software Engineer, Priority 5
http://www.priority5.com/

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