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Planes
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PM me the ruby and I'll try and look at it later today...

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I think the problem is that you define tr in a seperate place than you use it. try replacing tr with @tr.
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Well I thought that was a long shot as it was defined and used in the same def, but I'd forgotten about the initialize def. Sure enough @tr has got it!!!!
Thanks very much.So its rotating and displaying it just as you'd expect, off floating in space to the side.
I'll have a go at the translation code and see how that goes.Thanks very much guys, really pleased this is coming together.
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