VEX Attributes In Use, KineFX

Quick look into https://www.sidefx.com/docs/houdini/character/kinefx/skeletons.html

https://www.sidefx.com/docs/houdini/character/kinefx/retargeting.html

Rotating the 4@localtransform of a joint chain results in a cumulative transformation, each joint inherits the transforms of it's parents.

A valid KineFX hierarchy requires valid point name attributes, each name should be unique.

The Rig Doctor SOP can initialize joint names as well as tranforms (4@localtransform and 3@transform)