You could try using the Quad rig guide and generate a rig - then extract pieces, as this does allow a quite good IK rear leg setup that allows for knees etc.. off the straight line, which is not normally good for IK! I have done this before!
S. _____________________________ Sandy Sutherland Technical Supervisor [email protected] _____________________________ ________________________________ From: [email protected] [[email protected]] on behalf of Florian Eberle [[email protected]] Sent: 09 May 2012 13:37 To: [email protected] Subject: Re: [Rigging] Robot IK Legs i'll check that out - thanks! On Wed, May 9, 2012 at 1:11 PM, Matt Morris <[email protected]<mailto:[email protected]>> wrote: Some info in this thread that might help: http://www.si-community.com/community/viewtopic.php?f=38&t=1645&start=20 On 9 May 2012 11:37, Florian Eberle <[email protected]<mailto:[email protected]>> wrote: hello people banging my had about a rigging setup here: i have a rather stiff robot that needs to be rigged and i'm struggling with the IK-setup for the legs. the problem is the structure of the robots hips. it's very restricted in that it only has two hinge joints. one that allows the leg to rotate front/back and the other rotates out/in, rotation along the leg is not possible. the two hinges are not in the same place (obviously) so i have different rotation points. and to complicate things even more: the knee does not lie on the legs 'plane' but is offset a good amount. after some very frustrating tries i'm reasonably sure that it's just not possible to rig with the built in two bone IK. can someone prove me wrong here (or at least tell me i'm right)? i'd appreciate any hints, tips, trick and references thanks -- Flo Eberle Lead Modeling Artist/ Technical Director -- www.matinai.com<http://www.matinai.com>
