Make quit work, prettify axes

eclipswaarneming.py

@@ -38,7 +38,8 @@ def signal_thread():
     global signal
     context = zmq.Context()
     receiver = context.socket(zmq.PULL)
-    receiver.connect("tcp://mercurius.dt.camras.nl:5557")
+    #receiver.connect("tcp://mercurius.dt.camras.nl:5557")
+    receiver.connect("tcp://localhost:5557")
     while True:
         buff = receiver.recv()
         signal = np.frombuffer(buff, dtype="float32")[-1]
@@ -60,11 +61,19 @@ dwl = EarthLocation(lon=Angle("6:23:46.21 degrees"),
 plt.ion()
 fig, ax = plt.subplots()
 
+stoprequest = False
+
+def set_stoprequest(event):
+    global stoprequest
+    stoprequest = True
+
 #ax.set_ylim((0, None))
 ax.set_xlabel("Lokale tijd (CEST)")
-ax.set_ylabel("Signaalsterkte (ongekalibreerd)")
+ax.set_ylabel("(Radio) Helderheid van de zon\n← Minder helder       Helderder →")
+ax.set_yticks([])
 fig.canvas.set_window_title('Live radiowaarneming gedeeltelijke zonsverduistering')
 ax.set_title('Live radiowaarneming gedeeltelijke zonsverduistering')
+fig.canvas.mpl_connect('close_event', set_stoprequest)
 
 prev_points = None
 separation = None
@@ -122,7 +131,7 @@ else:
     # Append to existing file
     datafile = open(f"{sys.argv[1]}", "a")
 
-while True:
+while not(stoprequest): 
     time.sleep(0.2)
     if signal == prev_signal:
         continue
@@ -156,8 +165,9 @@ while True:
 
     prev_points = ax.scatter([(now+2*u.hour).datetime], [signal], s=50, color='red')
     ax.set_ylim((0.5 * minsignal, 1.1 * maxsignal))
-    ax.set_xlim(starttime.datetime, (now+2.5*u.hour).datetime) # HIERO
+    ax.set_xlim(starttime.datetime, (now+2.3*u.hour).datetime) # HIERO
 
+    fig.tight_layout()
     # show the plot
     plt.show()
     plt.pause(0.0001)