There was a fan project doing a similar thing a while ago although they stuck with the city maps (p1 and 2 etc). I dont know how you would be able to accurately measure the wastelands as the navray is a bit naff at the best of times.

In terms of measuring metres travelled I think theoretically the only way you can do it with a regular client account would be fairly boring and inaccurate. The navray does give a value of how many metres the objective is away (although not sure if it takes into account the Z axis) in a zone. If you set that and then listen for the footstep sounds and measure say ten steps and see how many metres you travel in that time you might well get a value to measure the size of one zone at least in the X,Y axes. I guess from there you could extrapolate that to all zones and assume theyre all the same size (measuring would be a complete pain the arse).

As for Z axis measurements - honestly no idea outside of guessing and using char height and pointing at the screen or using bluetack if you cant get terrain elevation data from the server which is probably a massive no no.

However asking someone else to do this is probably also a massive non-starter.

The whole thing is based around assumptions and guesswork but do you REALLY need it to be an accurate distance to the CM or M or do you mind having an approximation as long as the terrain looks right? Thats a question you need to ask yourself i guess and then build it how you see fit. At the end of the day youre the one building the terrain in UED so I would assume that you need to walk the same terrain in NC to get a feel for it for yourself.

i am far from a maths brain but i work alongside people who do this sort of thing for real life programming so i have picked up a bit of knowledge along the way. however what youre asking is a pretty thankless task if im honest. That said I do hope you get people to pitch in because I would love to see some proper UED stuff for NC.

Id love to learn it myself but i have no idea where to even start.