Updates to eclipse demo

eclipswaarneming.py

@@ -31,7 +31,7 @@ signal = 0.
 prev_signal = 0.
 
 datafile = open(f"data{int(Time.now().unix)}.txt", "w")
-print("Time (UTC),Tracker,Offset az (deg),Offset el(deg),azimuth from north (deg), elevation (deg), signal 70cm", file=datafile)
+print("Time (UTC),Tracker,Offset az (deg),Offset el(deg),azimuth from north (deg),elevation (deg),signal 70cm,signal 23cm", file=datafile)
 
 def signal_thread():
     global signal
@@ -56,6 +56,8 @@ dwl = EarthLocation(lon=Angle("6:23:46.21 degrees"),
 plt.ion()
 fig, ax = plt.subplots()
 
+starttime = Time.now() + 2 * u.hour
+
 #ax.set_ylim((0, None))
 ax.set_xlabel("Lokale tijd (CEST)")
 ax.set_ylabel("Signaalsterkte (ongekalibreerd)")
@@ -67,7 +69,6 @@ separation = None
 maxsignal = 0.
 
 scatterplot_70cm = ax.scatter([], [], s=3, color='black')
-scatterplot_23cm = ax.scatter([], [], s=3, color='blue')
 
 while True:
     time.sleep(0.2)
@@ -83,14 +84,15 @@ while True:
         maxsignal = signal
 
     scatter_data = scatterplot_70cm.get_offsets()
-    scatter_data = np.vstack((scatter_data, [mdates.date2num(now.datetime), signal]))
+    scatter_data = np.vstack((scatter_data, [mdates.date2num((now + 2*u.hour).datetime), signal]))
     scatterplot_70cm.set_offsets(scatter_data)
 
     if prev_points is not None:
         prev_points.remove()
 
-    prev_points = ax.scatter([now.datetime], [signal], s=50, color='red')
+    prev_points = ax.scatter([(now+2*u.hour).datetime], [signal], s=50, color='red')
     ax.set_ylim((2800, 1.1 * maxsignal))
+    ax.set_xlim(starttime.datetime, (now+2.5*u.hour).datetime)
 
     # show the plot
     plt.show()

zmqsend.py

+#!/usr/bin/env python
+
+import zmq
+import sys
+import time
+import numpy as np
+from numpy.random import random
+
+
+port = sys.argv[1]
+
+ctx = zmq.Context()
+sender = ctx.socket(zmq.PUSH)
+sender.bind("tcp://127.0.0.1:5557")
+while True:
+    time.sleep(0.5)
+    sender.send(np.array(3000 + random() * 500, dtype="float32"))