I wondered where you'd gone off to, Spanki-sir.

I've actually been working on re-organizing and de-bugging this script for Poser 7.  I plan to finally separate the functions into discreet scripts which are more straightforward and manageable.

It may interest you that I've recently tested you point-in-tri code against two other approaches, and yours came out the fastest!

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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.