evanhem posted at 9:30PM Fri, 07 August 2020 - #4396185

... Now I just need to back out what all the coordinate systems are in Poser. I wish there was a way to display all the coordinate systems for visualization.

It is nothing special actually; plain classroom textbook math on Euler angles in a cartesian system. Every object by definition has its own local coordinates system that moves and rotates with its parent, and it in addition has its own system. . It will never get simple of course.

One more tip: If you activate the 'direct manipulation' tool you can see and play with the rotation axis: