python可视化---内嵌环形饼图

Posted 2021-02-11 车路历程

import matplotlib.pyplot as plt
import matplotlib as mpl

mpl.rcParams["font.sans-serif"] = ["SimHei"]
mpl.rcParams["axes.unicode_minus"] = False

elements = ["面粉", "砂糖", "奶油", "草莓酱", "坚果"]

weight1 = [40, 15, 20, 10, 15]
weight2 = [30, 25, 20, 15, 10]

colormapList = ["#e41a1c", "#377eb8", "#4daf4a", "#984ea3", "#ff7f00"]
outer_colors = colormapList
inner_colors = colormapList

wedges1, texts1, autotexts1 = plt.pie(weight1, 
                                      autopct="%3.1f%%",
                                      radius = 1, 
                                      pctdistance=0.85,
                                      colors=outer_colors,
                                      textprops=dict(color="w"),
                                      wedgeprops=dict(width=0.3, edgecolor="w"))

wedges2, texts2, autotexts2 = plt.pie(weight2, 
                                      autopct="%3.1f%%",
                                      radius = 0.7, 
                                      pctdistance=0.75,
                                      colors=outer_colors,
                                      textprops=dict(color="w"),
                                      wedgeprops=dict(width=0.3, edgecolor="w"))

plt.legend(wedges1,
           elements,
           fontsize=12,
           title="配料图",
           loc="center left",
           bbox_to_anchor=(0.91, 0, 0.3, 1))

plt.setp(autotexts1, size=15, weight="bold")
plt.setp(autotexts2, size=15, weight="bold")
plt.setp(texts1, size=12)

plt.title("不同果酱面包配料比例表的比较")

plt.show()