Computes the centreline of a lane by averaging two parallel boundary curves
point-by-point. Used for link roads where the LinkComponent has
pre-computed the two edge curves of each lane.
If the arrays are different lengths, only the shorter length is used.
Computes the centreline of a lane by averaging two parallel boundary curves point-by-point. Used for link roads where the LinkComponent has pre-computed the two edge curves of each lane.
If the arrays are different lengths, only the shorter length is used.