Hi, I happened to be testing the OverlayNode with transparent nodes and came across a difficult to spot bug. There are in fact three techniques that you can assign to an OverlayNode :
1. osgSim::OverlayNode::OBJECT_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY; 2. osgSim::OverlayNode::VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY; 3. osgSim::OverlayNode::VIEW_DEPENDENT_WITH_PERSPECTIVE_OVERLAY; Techniques 1 and 2 are producing expected results while technique 3 doesn't handle the transparency I haven't been able to spot where it goes wrong, I'm posting this in case someone has a hint to where the problem lies. -- Mathieu
<<attachment: OBJECT_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY.jpg>>
<<attachment: VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY.jpg>>
<<attachment: VIEW_DEPENDENT_WITH_PERSPECTIVE_OVERLAY.jpg>>
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