But in the osgPick example, I've seen no specific code to handle the
cameraNode, it simply calls viewer::computeIntersection() -
hence I'm not able to "split" the 2 routines.
I checked all the osgProducer::Viewer::computeIntersection functions but
couldn't find anything -
and asking the numberOfCameras() the viewer is owning, I get 1 as an
answer.
Where should I look for the cameraNode pick routine??
Just follow the source code path. You'll find osgUtil::PickVisitor
in src/osgUtil/IntersectVisitor.cpp
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