Forum: Poser - OFFICIAL


Subject: what IS inverse kinematics??? DUH

dawnryder opened this issue on Mar 13, 2006 ยท 12 posts


kuroyume0161 posted Mon, 13 March 2006 at 6:57 PM

A word of caution on editing CR2 files to turn off IK - Poser stores things differently depending upon whether IK is off or on. If 'off', all joints in the IK-chain are stored with normal rotations as expected. Ah, but when 'on', all IK-chain joints have IK rotations affected by the translation of the IK goal bodypart. Note that the IK goal bodypart is translated and NOT rotated! And also that the rotations on the the rest of the chain do not match the normal rotations. In other words, just changing the text in the inkyChain section from 'on' to 'off' will leave your figure with some strangeness when loaded - odd leg or arm rotations and possibly with the goals (hands/feet) translation out of whack. Best to load the figure, disable IK, and resave to the Figure library. There may also be a third-party plugin or tool that will correctly disable IK, including fixing the translations and rotations.

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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