Limits and joint information about a handle can be edited in the Skeleton Editor.To view, change, or turn off the parameters of a handle, open the Information window and select the handle.After you create a handle, the system prompts you to create another.If you created a spline handle and you did not select Create Curve to create a new curve, the system prompts: Pick a curve node as the target of the spline handle.The system prompts: Pick a descendant joint as the end-effector of the single chain (multi-chain or spline) handle.(You can drag a pick box around a joint to select it.) The system prompts: Pick a joint as the root of a single-chain (multi-chain or spline) handle.Choose Animation > IK > Add IK Handle or click its icon.The tool is still active after this operation, so you can continue to select other parts of the skeleton to put other IK handles on. Then, select the root joint, and finally the end effector joint. To add single-chain handles, choose Single-chain in the option box for this tool. Use inverse kinematics IK handles to control the movement of different parts of your skeleton without disturbing the rest of the skeleton.Īnimation > IK > Add IK Handle is a continuous-action tool in which you add IK handles one at a time to a skeleton. To make sure that the animation is copied to the appropriate respective branches, use the SBD swap icon (located in the SBD window title bar) or an -arrow combination to swap the positions of the branches in the SBD window.
If Overlay skeleton is used to copy animation from one skeleton to the other, the animation of the left leg is copied to the right leg, and vice versa. The difference is that in one skeleton, the first branch represents the right leg, and in another, the first branch represents the left leg. For instance, two skeletons could have two branches of three grouped joint nodes, each branch representing the hip, knee, and ankle joint of a leg.
Sometimes two skeletons can have the same topology, but differ in the significance of their topology. In determining the skeleton from the DAG node hierarchy, the non-joint DAG nodes are ignored. These diagrams show that skeletons with the same topology can have non-joint DAG nodes grouped anywhere above, below, or as siblings to joint nodes.
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