This is kind of interesting.  I've finally gotten around to testing Ian Porter's suggestion for trying to compare two actors with compatible UV's by comparing the UV's.  (Apologies if I've misunderstood....)

At any rate, I've compared dphoadly's Antonia-120lo remap for V3 to Vicky 3.  The results basically work, although this first run of it seems a bit rough.  The main complication is the fact that UV sets all share the same 2D space.  UV's for one part of the geometry may completely overlap those for another.  So the comparison process when running through UV's requires more screening by material.  It also seems a bit more error-prone.  Have to see what I can do about that.

The attached image is Antonia-lo with some V3 face morphs, transferred using this comparison process.

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.