Yes, I'm on Windows 10! Latest version of AE... Although I think there's an update available.
I'll check out B.map!
Thanks, this looks great! I've been trying to use it with a UV map that's a layer of a 32bit EXR and getting frequent crashes. I have the ExtractoR plugin fetching the UV pass of the EXR, then PixMap on that. I also have the AE project settings set to 32bit, but have tried 16bit as well and no luck. The edges are also extremely pixelated even though I rendered out at 32bit.