"The root Material node and root Hair nodes contain all of the attributes required to create
a complete shader for almost every material group in your scene (figures, props, hair)."

OK I'm the material guru, but I have to ask. What is a root Hair node? There is a root Material (PoserSurface) node, a root Light node, a root Atmosphere node, etc. There is no root Hair node. There is a Hair node but it isn't a root node.

Do I now have to accept that Poser has re-defined the term "root" in the context of an acyclic directed graph?

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)