this post was submitted on 01 Dec 2025
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Right, that's what I said: if Z in the top image were pointing the opposite direction (i.e. if it followed the right hand rule), it would be the same as the bottom image. Rotation is irrelevant; only handedness matters.
I think the comic is trying to illustrate the difference between people who consider Y to be the vertical axis or z to be the vertical axis.
I think the right hand rule vs left hand rules coordinate systems was a mistake.
Oh I'm so sorry, I misunderstood you completely; now that I reread it, I see I have been a dufus!