Matplotlib 教程 - 餅圖
Jinku Hu
2023年1月30日
2019年12月26日
我們將在本教程中學習餅圖。
# -*- coding: utf-8 -*-
import matplotlib.pyplot as plt
x = np.array([15, 25, 30, 40])
label = ["France", "Germany", "Uk", "US"]
plt.pie(x, labels=label)
plt.show()
語法
matplotlib.pyplot.pie(x, explode=None, labels=None, colors=None, autopct=None,
pctdistance=0.6, shadow=False, labeldistance=1.1,
startangle=None, radius=None, counterclock=True,
wedgeprops=None, textprops=None, center=(0, 0),
frame=False, hold=None, data=None)
引數
| 名稱 | 描述 |
|---|---|
label |
標籤文字 |
fontdict |
標籤文字字型字典，例如字型系列、顏色、粗細和大小 |
labelpad |
標籤和 x 軸之間的間距，以 points 為單位 |
順時針方向繪製的餅圖
如果引數 counterclock 設定為 False，則餅形圖將按順時針方向繪製。
# -*- coding: utf-8 -*-
import matplotlib.pyplot as plt
x = np.array([15, 25, 30, 40])
label = ["France", "Germany", "Uk", "US"]
plt.pie(x, labels=label, counterclock=False)
plt.show()
餅圖與爆炸切片
explode 引數控制餅圖中的切片爆炸。它指定偏移每個楔形的半徑的分數。
# -*- coding: utf-8 -*-
import matplotlib.pyplot as plt
x = np.array([15, 25, 30, 40])
label = ["France", "Germany", "Uk", "US"]
plt.pie(x, labels=label, explode=(0.2, 0, 0, 0))
plt.show()
Author: Jinku Hu
Founder of DelftStack.com. Jinku has worked in the robotics and automotive industries for over 8 years. He sharpened his coding skills when he needed to do the automatic testing, data collection from remote servers and report creation from the endurance test. He is from an electrical/electronics engineering background but has expanded his interest to embedded electronics, embedded programming and front-/back-end programming.
LinkedIn