我正在建立一个网关,该网关每10毫秒通过TCP连接从两个站点读取一次读数。网关应使用matplotlib显示每个站点的读数,并计算这些读数的平均值并显示出来。
当我在设置时间间隔= 1000的三个图上对其进行测试时,动画图工作正常。但是,当我将时间间隔设置为10时,未显示任何子图。当我将其设置为500时,一开始它可以工作,但是当工作站连接到网关后,动画会冻结
由于需要,我需要将间隔设为10毫秒
这是第1站的
#!/usr/bin/env python3
import socket
from random import randint
#import time
HOST = '127.0.0.1' # The server's hostname or IP address
PORT = 4444 # The port used by the server
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.connect((HOST, PORT)) # connecting to local server
while True:
data = randint(1, 10)
data = str(data) # user input
s.send(data.encode('ascii')) # encoding the user input then sending to server
data = s.recv(1024)
data = data.decode('ascii')
这是第二站的
#!/usr/bin/env python3
import socket
from random import randint
#import time
HOST = '127.0.0.1' # The server's hostname or IP address
PORT = 5555 # The port used by the server
#time.sleep(.00000001)
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.connect((HOST, PORT)) # connecting to local server
while True:
data = randint(1, 10)
data = str(data) # user input
s.send(data.encode('ascii')) # encoding the user input then sending to server
data = s.recv(1024)
data = data.decode('ascii')
#print (data)
这是网关
#!/usr/bin/env python3
#
#
import _thread
import socket
import time
import matplotlib.pyplot as plt
import matplotlib.animation as animation
HOST = '127.0.0.1' # Standard loopback interface address (localhost)
PORT1 = 4444 # Port to listen on (non-privileged ports are > 1023)
PORT2 = 5555
Station1Data = 0
Station2Data = 0
average = 0
def server1():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT1))
s.listen()
conn, addr = s.accept()
with conn:
while True:
data = conn.recv(1024)
data = data.decode('ascii')
conn.send(data.encode('ascii'))
#print(data)
global Station1Data
Station1Data = int(data)
def server2():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT2))
s.listen()
conn, addr = s.accept()
with conn:
while True:
data = conn.recv(1024)
data = data.decode('ascii')
conn.send(data.encode('ascii'))
global Station2Data
Station2Data = int(data)
def average():
global Station1Data, Station2Data, average
while True:
average = (Station1Data+Station2Data)/2
try:
_thread.start_new_thread(server1, ())
_thread.start_new_thread(server2, ())
_thread.start_new_thread(average,())
except:
print("Error: unable to start thread")
fig = plt.figure()
#plt.xlabel('time')
#plt.ylabel('Mw Mw Mw')
ax1 = fig.add_subplot(3,1,1)
x = 19
xs = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]
ys = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
ax2 = fig.add_subplot(3,1,2)
x2 = 19
xs2 = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]
ys2 = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
ax3 = fig.add_subplot(3,1,3)
x3=19
xs3 = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]
ys3 = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
def animate(i):
global x,xs,ys,Station1Data
x = x+1
xs.append(x)
ys.append(Station1Data)
xs = xs[-20:]
ys = ys[-20:]
ax1.clear()
ax1.set_xticklabels([])
ax1.plot(xs, ys,'b')
ax1.set_title('Station1')
def animate2(i):
global x2,xs2,ys2,Station2Data
x2 = x2+1
xs2.append(x2)
ys2.append(Station2Data)
xs2 = xs2[-20:]
ys2 = ys2[-20:]
ax2.clear()
ax2.set_xticklabels([])
ax2.plot(xs2, ys2,'r')
ax2.set_title('Station2')
def animate3(i):
global x3,xs3,ys3,average
x3 = x3+1
xs3.append(x3)
ys3.append(average)
xs3 = xs3[-20:]
ys3 = ys3[-20:]
ax3.clear()
ax3.set_xticklabels([])
ax3.plot(xs3, ys3,'g')
ax3.set_title('average')
animation1 = animation.FuncAnimation(fig, animate, interval=10)
animation12 = animation.FuncAnimation(fig, animate2, interval=10)
animation13 = animation.FuncAnimation(fig, animate3, interval=10)
plt.show()
预先感谢您的帮助
对不起,如果这很麻烦