新增数据处理脚本,可以画折线图

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2024-01-15 00:45:08 +08:00
parent b74569668e
commit bd8d7778b0
4 changed files with 69 additions and 2 deletions

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process.py Normal file
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#!./env/bin/python
from datetime import datetime, timedelta
import matplotlib.pyplot as plt
from pylab import mpl
# 设置显示中文字体
mpl.rcParams["font.sans-serif"] = ["SimHei"]
# 初始化一个起始日期这里假设是今天凌晨0点
start_date = datetime.now().replace(hour=0, minute=0, second=0, microsecond=0)
with open('minicom.cap', 'r') as file:
lines = file.readlines()
times = []
temperatures = []
for line in lines:
time_str, temp_str = line.strip().split('temp = ')
time = start_date + timedelta(seconds=int(time_str.split(':')[2])) + \
timedelta(minutes=int(time_str.split(':')[1])) + \
timedelta(hours=int(time_str.split(':')[0]))
temperature = float(temp_str)
times.append(time)
temperatures.append(temperature)
# 确保时间序列是排序的
times.sort()
# 绘制折线图
plt.plot(times, temperatures)
plt.xlabel('时间')
plt.ylabel('温度 (摄氏度)')
plt.title('温度随时间变化图')
plt.xticks(rotation=45) # 旋转x轴标签以更好地展示时间
# 自动调整x轴刻度以显示日期时间格式
plt.gcf().autofmt_xdate()
# 显示图形
plt.savefig("img.png")
plt.show()