使用 matplotlib 增加饼图尺寸 [重复]答案

【问题标题】：Increase Pie Chart Dimensions with matplotlib [duplicate]使用 matplotlib 增加饼图尺寸 [重复]
【发布时间】：2021-12-02 18:11:23
【问题描述】：

import matplotlib.pyplot as plt

months = ['January', 'February', 'March']
months_sizes = [16.13, 26.64, 57.23]
weekdays = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun','Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun','Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
weekdays_sizes = [1.79, 2.23, 2.67, 3.26, 2.78, 1.50, 1.91, 2.21, 1.94, 1.98, 1.37, 2.58, 6.72, 9.83, 5.95, 6.69, 7.52, 5.42, 5.27, 7.28, 19.11]
months_colors = ['#081a28', '#2e1d0b', '#15210f']
weekdays_colors = ['#2986cc', '#2478b7', '#206ba3', '#1c5d8e', '#18507a', '#144366', '#103551',
                   '#e69138', '#cf8232', '#b8742c', '#a16527', '#8a5721', '#73481c', '#5c3a16',
                   '#6aa84f', '#5f9747', '#54863f', '#4a7537', '#3f642f', '#355427', '#2a431f']
outer_circle = plt.pie(months_sizes, labels=months, colors=months_colors, startangle=90, frame=True)
inner_circle = plt.pie(weekdays_sizes, labels=weekdays, colors=weekdays_colors, radius=0.7, startangle=90, labeldistance=0.7)
centre_circle = plt.Circle((0, 0), 0.35, color='white', linewidth=0)

fig = plt.gcf()
fig.gca().add_artist(centre_circle)
plt.plot(figsize=(19,8))
plt.show()

到目前为止，这是我的代码。它做我想要的，但我需要它更大。但是我无法做到这一点，figsize 和 radius= 都没有。如何使用已有的代码实现我想要的？

[我得到的饼图]

【问题讨论】：

标签： python matplotlib

【解决方案1】：

plt.figure(figsize = (24, 24))
outer_circle = plt.pie(months_sizes, labels=months, colors=months_colors, startangle=90, frame=True)
# ... the rest of the code ...

figsize 适合我

【讨论】：

【解决方案2】：

在绘制之前创建一个更大尺寸的图形：

# your plot setup
import matplotlib.pyplot as plt

months = ['January', 'February', 'March']
months_sizes = [16.13, 26.64, 57.23]
weekdays = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun','Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun','Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
weekdays_sizes = [1.79, 2.23, 2.67, 3.26, 2.78, 1.50, 1.91, 2.21, 1.94, 1.98, 1.37, 2.58, 6.72, 9.83, 5.95, 6.69, 7.52, 5.42, 5.27, 7.28, 19.11]
months_colors = ['#081a28', '#2e1d0b', '#15210f']
weekdays_colors = ['#2986cc', '#2478b7', '#206ba3', '#1c5d8e', '#18507a', '#144366', '#103551',
                   '#e69138', '#cf8232', '#b8742c', '#a16527', '#8a5721', '#73481c', '#5c3a16',
                   '#6aa84f', '#5f9747', '#54863f', '#4a7537', '#3f642f', '#355427', '#2a431f']

# create figure
fig, ax = plt.subplots(figsize=(19, 8))

# plot using ax
outer_circle = ax.pie(months_sizes, labels=months, colors=months_colors, startangle=90, frame=True)
inner_circle = ax.pie(weekdays_sizes, labels=weekdays, colors=weekdays_colors, radius=0.7, startangle=90, labeldistance=0.7)
centre_circle = plt.Circle((0, 0), 0.35, color='white', linewidth=0)
ax.add_artist(centre_circle)

plt.show()

【讨论】：

谢谢，成功了！