Defines what the measured versine is rounded to when displayed on the span & versine annotation.
For example, if the versine round setting is to the nearest 0.001m, then a versine of 0.0046m will be rounded to 0.005m.
Options:
A number that has a value of 0 or greater, expressed in metres.
Default Setting: 0.001m
Changing properties: If you wish to change the option of this property, your Project Settings Administrator must request a project settings change.