oh ok, I think we are saying the same thing. When I said CGI I was talking about the digital manipulation made to do what you said.
Note that Tarken was not a CGI human. He was played by Guy Henry (Extras fans will probably recognize him). Only his face was digitized. Leia was the same way with actress Ingvild Deila.
I confirmed that the Red and Gold leaders were indeed old, live action plates from the original trilogy that were then composited into the new space battle scenes.
Yes, it does seem we were saying the same thing. I tend to nitpick at this special effects stuff cuz, um, you can probably guess.
If I may dig a little deeper into the "CGI human" point...
The way it's usually done, and the way it was done in this movie, is:
- cast an actor to play the role
- put dots on an actors face (called "tracking markers") and put head-mounted stereo camera rig on the actor's head
(here's a good example of it from ILM's work on Warcraft:
https://www.youtube.com/watch?v=jak3WXZZlVo#t=49s )
- the actor acts out all the scenes they need for the movie and the footage for those scenes provides tracking data for how the dots (face) moves
- these motions drive an animation rig that does some /magic/ to map those tracked dots into expressions from a library built for that actor (happy, sad, angry, puzzled, and dozens of things in between)
- then those motions in turn are used animate the rig for the digital character, monster, mutant turtle, orc or, in this case, a dead actor, to make the digital version of that character come to life
The above technique is generally what is referred to as a "digital human" in visual effects. These days, CG humans are almost always "driven" by a real actor providing the performance.
sorry for the FX Nerd tangent. That's interesting stuff to me at least and hopefully a few of you