mirror
/
ogn-python
kopia lustrzana https://github.com/glidernet/ogn-python
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność

Calculate end id

pull/56/head
Konstantin Gründger 2016-07-03 09:56:02 +02:00
rodzic 634e196f1e
commit acd606aa2e
1 zmienionych plików z 3 dodań i 3 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

6
ogn/collect/takeoff_landing.py
Wyświetl plik

@ -52,9 +52,9 @@ def compute_takeoff_and_landing(session=None):
airport_radius = 0.025 # takeoff / landing must not exceed this radius (degree!) around the airport airport_radius = 0.025 # takeoff / landing must not exceed this radius (degree!) around the airport
airport_delta = 100 # takeoff / landing must not exceed this altitude offset above/below the airport airport_delta = 100 # takeoff / landing must not exceed this altitude offset above/below the airport
# AircraftBeacon start id and max id offset # AircraftBeacon start id and end id
aircraft_beacon_start_id = get_aircraft_beacon_start_id(session) aircraft_beacon_start_id = get_aircraft_beacon_start_id(session)
max_id_offset = 500000 aircraft_beacon_end_id = aircraft_beacon_start_id + 500000
# 'wo' is the window order for the sql window function # 'wo' is the window order for the sql window function
wo = and_(AircraftBeacon.device_id, AircraftBeacon.timestamp) wo = and_(AircraftBeacon.device_id, AircraftBeacon.timestamp)
@ -80,7 +80,7 @@ def compute_takeoff_and_landing(session=None):
AircraftBeacon.device_id, AircraftBeacon.device_id,
func.lag(AircraftBeacon.device_id).over(order_by=wo).label('device_id_prev'), func.lag(AircraftBeacon.device_id).over(order_by=wo).label('device_id_prev'),
func.lead(AircraftBeacon.device_id).over(order_by=wo).label('device_id_next')) \ func.lead(AircraftBeacon.device_id).over(order_by=wo).label('device_id_next')) \
.filter(between(AircraftBeacon.id, aircraft_beacon_start_id, aircraft_beacon_start_id + max_id_offset)) \ .filter(between(AircraftBeacon.id, aircraft_beacon_start_id, aircraft_beacon_end_id)) \
.subquery() .subquery()
# find possible takeoffs and landings # find possible takeoffs and landings