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ptran.py
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ptran.py
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# -*- coding: utf-8 -*-
"""
Created on Tue Sep 19 21:12:26 2023
@author: 段永强
"""
import matplotlib.pyplot as plt
import numpy as np
def loadData(file):
inFile = open(file, 'r')#以只读方式打开某filename文件
#定义2个空的list,用来存放文件中的数据
x = np.linspace(0.001,0.4,400)
y1 = []
y2 = []
y3 = []
y4 = []
y5 = []
for line in inFile:
if line.split(':')[0]!='Time':
flag=line.split()[1].split(':')[1]
if line.split()[0] == 'c1':
y1.append(float(flag))
if line.split()[0] == 'c2':
y2.append(float(flag))
if line.split()[0] == 'c3':
y3.append(float(flag))
if line.split()[0] == 'c4':
y4.append(float(flag))
if line.split()[0] == 'c5':
y5.append(float(flag))
return (x, y1, y2, y3, y4, y5)
(x, y1, y2, y3, y4, y5) = loadData('E:\data.txt')
#print(x, y)
plt.figure()
plt.plot(x, y1)
plt.plot(x, y2)
plt.plot(x, y3)
plt.plot(x, y4)
plt.plot(x, y5)
plt.title('voltage changs over time')
plt.xlabel('time')
plt.ylabel('voltage')
# 显示图形
plt.show()
plt.figure(figsize=(10,10))
# 创建子图
plt.subplot(10, 1, 1) # 2行1列的子图的第一个
plt.plot(x, y1)
plt.title('c1 plot')
plt.xlabel('time')
plt.ylabel('voltage')
plt.subplot(10, 1, 3) # 2行1列的子图的第二个
plt.plot(x, y2)
plt.title('c2 plot')
plt.xlabel('time')
plt.ylabel('voltage')
plt.subplot(10, 1, 5) # 2行1列的子图的第二个
plt.plot(x, y3)
plt.title('c3 plot')
plt.xlabel('time')
plt.ylabel('voltage')
plt.subplot(10, 1, 7) # 2行1列的子图的第二个
plt.plot(x, y4)
plt.title('c4 plot')
plt.xlabel('time')
plt.ylabel('voltage')
plt.subplot(10, 1, 9) # 2行1列的子图的第二个
plt.plot(x, y5)
plt.title('c5 plot')
plt.xlabel('time')
plt.ylabel('voltage')
# 显示图形
plt.show()