def parse_flightdata_json(json_data, time):
aircraft_list = []
for a in json_data["aircraft"]:
alt = a["altitude"] if "altitude" in a else 0
if alt == "ground":
alt = 0
dist = -1
az = 0
el = 0
if "lat" in a and "lon" in a:
dist = geomath.distance(myLoc, (a["lat"], a["lon"]))
az = geomath.bearing(myLoc, (a["lat"], a["lon"]))
el = math.degrees(math.atan(alt / (dist * 5280)))
speed = 0
if "speed" in a:
speed = geomath.knot2mph(a["speed"])
aircraftdata = AirCraftData(
a["hex"] if "hex" in a else None,
a["squawk"] if "squawk" in a else None,
a["flight"] if "flight" in a else "N/A",
a["lat"] if "lat" in a else None,
a["lon"] if "lon" in a else None, alt,
a["vert_rate"] if "vert_rate" in a else 0,
a["track"] if "track" in a else None, speed,
a["messages"] if "messages" in a else None,
a["seen"] if "seen" in a else None,
a["mlat"] if "mlat" in a else None,
a["nucp"] if "nucp" in a else None,
a["seen_pos"] if "seen_pos" in a else None,
a["rssi"] if "rssi" in a else None, dist, az, el, time)
aircraft_list.append(aircraftdata)
return aircraft_list
def _parse_aircraft_data(self, a, time):
alt = a.get('Alt', 0)
dist = -1
az = 0
el = 0
if 'Lat' in a and 'Long' in a:
rec_pos = (receiver_latitude, receiver_longitude)
ac_pos = (a['Lat'], a['Long'])
dist = geomath.distance(rec_pos, ac_pos)
az = geomath.bearing(rec_pos, ac_pos)
el = math.degrees(math.atan(alt / (dist * 5280)))
speed = 0
if 'Spd' in a:
speed = geomath.knot2mph(a['Spd'])
if 'PosTime' in a:
last_seen_time = datetime.fromtimestamp(a['PosTime'] / 1000.0)
seen = (time - last_seen_time).total_seconds()
else:
seen = 0
ac_data = AirCraftData(
a.get('Icao', None).upper(),
a.get('Sqk', None),
a.get('Call', None),
a.get('Reg', None),
a.get('Lat', None),
a.get('Long', None),
alt,
a.get('Vsi', 0),
a.get('Trak', None),
speed,
a.get('CMsgs', None),
seen,
a.get('Mlat', False),
None, # NUCP
None, # Seen pos
10.0 * math.log10(a.get('Sig', 0) / 255.0 + 1e-5),
dist,
az,
el,
time)
return ac_data
def aircraft_data(self, json_data, time):
aircraft_list = []
for a in json_data["aircraft"]:
alt = a["altitude"] if "altitude" in a else 0
alt = a["alt_baro"] if "alt_baro" in a else 0
if alt == "ground":
alt = 0
dist = -1
az = 0
el = 0
if "lat" in a and "lon" in a:
dist = geomath.distance(
(receiver_latitude, receiver_longitude),
(a["lat"], a["lon"]))
az = geomath.bearing((receiver_latitude, receiver_longitude),
(a["lat"], a["lon"]))
el = math.degrees(math.atan(alt / (dist * 5280)))
speed = 0
if "speed" in a:
speed = geomath.knot2mph(a["speed"])
if "mach" in a:
speed = geomath.mach2mph(a["mach"])
aircraftdata = AirCraftData(
a["hex"].upper() if "hex" in a else None,
a["squawk"] if "squawk" in a else None,
a["flight"] if "flight" in a else None, None,
a["lat"] if "lat" in a else None,
a["lon"] if "lon" in a else None, alt,
a["vert_rate"] if "vert_rate" in a else 0,
a["track"] if "track" in a else None, speed,
a["messages"] if "messages" in a else None,
a["seen"] if "seen" in a else None,
a["mlat"] if "mlat" in a else None,
a["nucp"] if "nucp" in a else None,
a["seen_pos"] if "seen_pos" in a else None,
a["rssi"] if "rssi" in a else None, dist, az, el, time)
aircraft_list.append(aircraftdata)
return aircraft_list