Quote - Oh, I just noticed that you were responding to bagginsbill, not me. Never mind, then!

I replied to both,  the question was the same.
This code (well something similar) I found long time ago and once understood how it works the only thing that I do is copy and paste, never touched it again.
There are other methods more complicated taking into account the weight of faces, don't know if are better or not, never experimented; Poser 6 use other method than Poser 4, depending the model sometimes with Poser6 looks better other time with Poser4.
I have a good collection of papers about CG and many never had read yet.
Search in yahoo or google and you will find a lot of pdf on different subjects to download, Wikipedia also has many things.

Stupidity also evolves!