Defines the minimum versine that will be displayed as part of the span & versine annotation. Anything below the tolerance value is considered a straight track and will be displayed as such on layouts and reports.
For example, if the zero string line tolerance is 0.05m, and the track versine is below 0.05m, it will be displayed like this:
However, if in this scenario the track versine is 0.05m or above, then the figure will be shown on the annotation: