rotation question

From: jp d (yoyoq_at_yahoo.com)
Date: Mon Oct 18 2010 - 16:35:55 CDT

hi,
is there an easy way to rotate about the z-axis(ie only x-y coords),
but allow z coordinate to move?
rotational constraints seem to keep z fixed.
alternatively in user defined forces is there a way
to assign position instead of applying a force
thanks
jpd

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