Update PRAKTIKA2.txt

PRAKTIKA2.txt

+import pika
+import json
+import matplotlib.pyplot as plt
+latitude = []
+longtitude = []
+coordinates = {
+'latitude': 0,
+'longtitude': 0,
+}
+credentials = pika.PlainCredentials('user1', '123456')
+parameters = pika.ConnectionParameters('217.9.89.211', 5672, 'vh2', credentials)
+connection = pika.BlockingConnection(parameters)
+channel = connection.channel()
+channel.queue_declare(queue = 'queue1')
+fig = plt.figure()
+ax = plt.subplots()
+plt.ion()
+def graph(lat, long):
+plt.grid(True)
+plt.xlim(-35.36400, -35.36200)
+plt.ylim(149.16500, 149.16700)
+plt.title('Graph')
+plt.xlabel('Latitude')
+plt.ylabel('Longtitude')
+latitude.append(lat)
+longtitude.append(long)
+plt.plot(latitude, longtitude)
+plt.draw()
+plt.gcf().canvas.flush_events()
 
+def callback(ch, method, properties, body):
+coordinates_current = json.loads(body)
+coordinates['latitude'] = coordinates_current['current_latitude']
+coordinates['longtitude'] = coordinates_current['current_longtitude']
+print(coordinates)
+graph(coordinates['latitude'], coordinates['longtitude'])
+
+channel.basic_consume(queue='queue1', on_message_callback = callback, auto_ack=True)
+print(' [*] Waiting for messages. To exit press CTRL+C')
+plt.show()
+channel.start_consuming()
+connection.close()
+plt.ioff()