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Lt. Commander
Join Date: Dec 2007
Posts: 120
# 4
10-15-2011, 10:31 PM
I think you made it pretty clear that Z meant up and down (or probably better described north/south if you wanna make it even better) in relation to the 2D screen you work with. Especially when you moved your curser UP and DOWN while describing it. Seemed pretty obvious to me at that point. To describe the Y coordinate better, just refer to it as the height setting in relation to either ground level or absolute zero.