Cast all incoming lat/lon/alt data to float before processing.

horusmapper.py

@@ -573,9 +573,9 @@ def ozi_listener_callback(data):
     # OziMux message contains:
     # {'lat': -34.87915, 'comment': 'Telemetry Data', 'alt': 26493.0, 'lon': 139.11883, 'time': datetime.datetime(2018, 7, 16, 10, 55, 49, tzinfo=tzutc())}
     output = {}
-    output['lat'] = data['lat']
-    output['lon'] = data['lon']
-    output['alt'] = data['alt']
+    output['lat'] = float(data['lat'])
+    output['lon'] = float(data['lon'])
+    output['alt'] = float(data['alt'])
     output['callsign'] = "Payload"
     output['time_dt'] = data['time']
 
@@ -602,9 +602,9 @@ def udp_listener_summary_callback(data):
     # Extract the fields we need.
     # Convert to something generic we can pass onwards.
     output = {}
-    output['lat'] = data['latitude']
-    output['lon'] = data['longitude']
-    output['alt'] = data['altitude']
+    output['lat'] = float(data['latitude'])
+    output['lon'] = float(data['longitude'])
+    output['alt'] = float(data['altitude'])
     output['callsign'] = data['callsign']
 
     logging.info("Horus UDP Data: %.5f, %.5f, %.1f" % (output['lat'], output['lon'], output['alt']))
@@ -635,11 +635,11 @@ def udp_listener_car_callback(data):
     # TODO: Make a generic car position function, and have this function pass data into it
     # so we can add support for other chase car position inputs.
     global car_track, habitat_uploader, bearing_store
-    _lat = data['latitude']
-    _lon = data['longitude']
-    _alt = data['altitude']
+    _lat = float(data['latitude'])
+    _lon = float(data['longitude'])
+    _alt = float(data['altitude'])
     _comment = "CAR"
-    _time_dt = pytz.utc.localize(datetime.utcnow())#datetime.utcnow()
+    _time_dt = pytz.utc.localize(datetime.utcnow())
 
     logging.debug("Car Position: %.5f, %.5f" % (_lat, _lon))
 

log_playback.py

@@ -147,7 +147,7 @@ def send_balloon_telemetry(json_data, udp_port=55672):
         s.sendto(json.dumps(packet), ('127.0.0.1', udp_port))
 
 
-def playback_json(filename, udp_port=55672, speed=1.0):
+def playback_json(filename, udp_port=55672, speed=1.0, start_time = 0):
     """ Read in a JSON log file and play it back in real-time, or with a speed factor """
 
     with open(filename, 'r') as _log_file:
@@ -173,6 +173,9 @@ def playback_json(filename, udp_port=55672, speed=1.0):
                 # Running timer
                 _run_time = (_new_time - _first_time).total_seconds()
 
+                if _run_time < start_time:
+                    continue
+
                 _time_min = int(_run_time)//60
                 _time_sec = _run_time%60.0
 
@@ -181,7 +184,6 @@ def playback_json(filename, udp_port=55672, speed=1.0):
                 if _log_data['log_type'] == 'CAR POSITION':
                     send_car_position(_log_data, udp_port)
                     print("%02d:%.2f - Car Position" % (_time_min, _time_sec))
-                    
                 
                 elif _log_data['log_type'] == 'BEARING':
                     send_bearing(_log_data, udp_port)
@@ -208,6 +210,7 @@ if __name__ == '__main__':
 
     filename = ""
     speed = 1.0
+    start_time = 0
     hostname = 'localhost'
     udp_port = 55672
 
@@ -216,6 +219,10 @@ if __name__ == '__main__':
     elif len(sys.argv) == 3:
         filename = sys.argv[1]
         speed = float(sys.argv[2])
+    elif len(sys.argv) == 4:
+        filename = sys.argv[1]
+        speed = float(sys.argv[2])
+        start_time = float(sys.argv[3])*60
 
-    playback_json(filename, udp_port, speed)
+    playback_json(filename, udp_port, speed, start_time)