Data analysis tool

tools/analysis.py

@@ -0,0 +1,52 @@
+import matplotlib.pyplot as plt
+import numpy as np
+
+fsend = open("send.info")
+frecv = open("recv.info")
+
+send_lines = fsend.readlines()[:-1]
+recv_lines = frecv.readlines()[:-1]
+
+send_infos = [line.split(" ") for line in send_lines]
+recv_infos = [line.split(" ") for line in recv_lines]
+
+send_times = [float(info[0]) for info in send_infos]
+recv_times = [float(info[0]) for info in recv_infos]
+
+send_yaw   = [float(info[1]) for info in send_infos]
+TargetAngle= [float(info[1]) for info in recv_infos]
+RealAngle  = [float(info[2]) for info in recv_infos]
+
+length = min(len(send_times), len(recv_times))
+
+send_times = send_times[:length]
+recv_times = recv_times[:length]
+send_yaw   = send_yaw[:length]
+TargetAngle= TargetAngle[:length]
+RealAngle  = RealAngle[:length]
+
+time_base = min(send_times[0], recv_times[0])
+
+send_times = np.array(send_times) - time_base
+recv_times = np.array(recv_times) - time_base
+
+TargetAngle = TargetAngle[:300]
+RealAngle = RealAngle[:300]
+send_times = send_times[:300]
+recv_times = recv_times[:300]
+send_yaw = send_yaw[:300]
+
+TargetAngle = np.array(TargetAngle)
+TargetAngle -= TargetAngle.mean()
+RealAngle = np.array(RealAngle)
+RealAngle -= RealAngle.mean()
+
+plt.plot(send_times, send_yaw,   label="send-yaw")
+plt.plot(recv_times, TargetAngle,label="TargetAngle")
+plt.plot(recv_times, RealAngle,  label="RealAngle")
+plt.scatter(send_times, send_yaw,   label="send-yaw")
+plt.scatter(recv_times, TargetAngle,label="TargetAngle")
+plt.scatter(recv_times, RealAngle,  label="RealAngle")
+plt.legend()
+plt.show()
+