def find(self, flow_uuid):
        return self._flowdetails_by_id.get(flow_uuid, None)
x and y are ints in the same coordnit system as update center and the origin
dataset/ETHPy150Open openstack/taskflow/taskflow/persistence/models.py/LogBook.find--crossover with--dataset/ETHPy150Open Craig-Macomber/Panda3D-Terrain-System/tileUtil.py/ToroidalCache.inbounds