Can somebody give me a explanation of how an OverlayNode is used?
I need to render some geometry stuff (i.e. geopolitical, grid lines) on top of
terrain elevation geometry and currently, I'm rendering to a texture and laying
this texture on my terrain polygons.
Should I be using an Overlay node for this? If so, I'm confused by how the
OverlayNode should be configured.
Thanks,
Paul P.
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