matplotlib命令與格式:tick_params參數刻度線樣式設置
原文:https://blog.csdn.net/helunqu2017/article/details/78736554
import csv
import matplotlib.pyplot as plt
from datetime import datetime
file_path = r'E:\workplace\python\code\csvcsv\death_valley_2014.csv'
highs, lows, dates = [], [], []
with open(file_path, encoding='UTF-8') as f_csv:
reader = csv.reader(f_csv)
header = next(f_csv)
for row in reader:
try:
high = int(row[1])
low = int(row[3])
current_date = datetime.strptime(row[0], "%Y-%m-%d")
except ValueError:
print(str(current_date)+ " : missing")
finally:
highs.append(high)
lows.append(low)
dates.append(current_date)
plt.plot(dates, highs, color='r', alpha=0.5)
plt.plot(dates, lows, color='b', alpha=0.5)
plt.fill_between(dates, highs, lows, facecolor='b', alpha=0.1)
# tick_params參數
# 參數axis 選擇座標軸,both/x/y
# 參數which的值爲 'major'、'minor'、'both',分別代表設置主刻度線、副刻度線以及同時設置,默認值爲'major'
# 參數direction的值爲'in'、'out'、'inout',分別代表刻度線顯示在繪圖區內側、外側以及同時顯示
# 參數labelsize用於設置刻度線標籤的字體大小
# 參數bottom, top, left, right的值爲布爾值,分別代表設置繪圖區四個邊框線上的的刻度線是否顯示
# 參數labelbottom, labeltop, labelleft, labelright的值爲布爾值,分別代表設置繪圖區四個邊框線上的刻度線標籤是否顯示
plt.tick_params(which='major', labelsize=16, colors="red", direction='in')
plt.show()