Re: [Plib-users] Problem with rotations results
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sjbaker
From: Norman V. <nh...@ca...> - 2002-09-11 11:18:50
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Ben Woodhead writes: >Steve Baker writes > > But anyway - this *is* classic 'Gymbal Lock'. > > Ah, I always thought gymbal lock was only when rotating around all 3 axes at > the same time. > > > As Norman suggested, you can visualise it in these > > terms: > > > > "A hunter walks South one mile from his tent, then > > he is chased due East for one mile by a ferocious Bear. > > Having escaped, he walks North for one mile and finds > > himself back at his tent. What colour was the Bear?" > > > > (White!) > > What? I don't get it.. Going back to my original question: "When EXACTLY at the North Pole how may directions can you move" Answer: Only one, the only direction from the North Pole is SOUTH Norman |