File: art_msgs/MapID.msg
# Road map identifier for segments, lanes and way-points.
# $Id: MapID.msg 614 2010-09-24 15:08:46Z jack.oquin $
uint16 NULL_ID = 65535
uint16 seg # segment ID
uint16 lane # lane ID
uint16 pt # way-point ID
Expanded Definition
uint16 NULL_ID=65535
uint16 seg
uint16 lane
uint16 pt