Geozone
This is a ROS message definition.
Source
# GeoStructure defined by an id, alert that generates in case of event and a polygon
# that defines the area.
int8 id # geofence id
int8 alert # alert generated
string type # geofence or geocage
string data_type # cartesian or gps
geometry_msgs/Polygon polygon # fence polygon
float32 z_up # height limit up
float32 z_down # height limit bottom