signal graphing

1 files changed, 24 insertions, 3 deletions

diff --git a/rotord/httplot b/rotord/httplot
index 6b235f9..8f48dce 100755
--- a/rotord/httplot
+++ b/rotord/httplot
@@ -12,10 +12,31 @@ connection.request(args.method, args.path, args.body)
 response= connection.getresponse().read()
 
 import xml.etree.ElementTree as ET
+import sys
 root = ET.fromstring(response)
-signal= root.find("signal").text
-output =signal.replace(",", "\n")
-print output
+try:
+	signal= root.find("signal").text
+except AttributeError:
+	print "Error: no data found. check node ID"
+	sys.exit(0)
+
+o1 =signal.split(",")
+x=[]
+y=[]
+for item in o1:
+	op=[]
+	o2 = item.split()
+	for s in o2:
+		op.append(float(s))
+	if len(o2) > 1:
+		x.append(float(o2[0]))
+		y.append(float(o2[1]))
+
+import matplotlib.pyplot as plt
+plt.plot(x,y)
+plt.ylabel('signal')
+plt.xlabel('time')
+plt.show()
 
 #print response
 #connection =  httplib.HTTPConnection('54.228.219.55:80')