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CJSpencer77Maybe they will be using a dev version of the CAN-Gateway ECU "data logger", it would be perfect for getting a true scale map of the track with elevation, I know they are using it to get lap data but in my mind it would have a place in mapping tracks as well, all you would need is two laps, one up against one track edge then one on the opposite to get an accurate start for a track.
Imo the main benefit the laser scanning adds is not so much accuracy of the geography of the track edges (although it does that too) as it is accuracy of bumps in the road surface.
This is where the iracing circuits compare favourably with virtually all others.