== Usage ==
A Dioptra [[dioptra]] is utilized by activating it and right -clicking another playerholding a [[range pole]]. There will be a 'Plan Bridge' option which will proceed to plan the bridge with automatic event log messages as follows:
You carefully place the dioptra on its tripod in front of you.
You make sure the dioptra is level.
You stop surveying.
You pack up the dioptra.
Should there be any reason why the bridge can not be planned, it will interrupt the sequence with the appropriate message.
==See also==