2019-09-10 13:45:25 3780浏览
今天千锋扣丁学堂Python培训老师给大家分享一篇关于matplotlib绘制饼状图功能示例的详细介绍,结合实例形式分析了Python使用matplotlib模块进行数值运算与饼状图绘制相关操作技巧,下面我们一起来看一下吧。
	
	
import numpy as np
import matplotlib.pyplot as plt
#The slices will be ordered and plotted counter-clockwise.
labels ='Frogs','Hogs','Dogs','Logs'
sizes =[15,30,45,10]
colors =['yellowgreen','gold','#FF0000','lightcoral']
#使饼状图中第2片和第4片裂开
explode =(0,0.1,0,0.1)
fig = plt.figure()
ax = fig.gca()
ax.pie(np.random.random(4), explode=explode, labels=labels, colors=colors,
autopct='%1.1f%%', shadow=True, startangle=90,
radius=0.25, center=(0,0), frame=True)
ax.pie(np.random.random(4), explode=explode, labels=labels, colors=colors,
autopct='%1.1f%%', shadow=True, startangle=90,
radius=0.25, center=(1,1), frame=True)
ax.pie(np.random.random(4), explode=explode, labels=labels, colors=colors,
autopct='%1.1f%%', shadow=True, startangle=90,
radius=0.25, center=(0,1), frame=True)
ax.pie(np.random.random(4), explode=explode, labels=labels, colors=colors,
autopct='%1.1f%%', shadow=True, startangle=90,
radius=0.25, center=(1,0), frame=True)
#设置坐标轴刻度
ax.set_xticks([0,1])
ax.set_yticks([0,1])
#设置坐标轴刻度上显示的标签
ax.set_xticklabels(["Sunny","Cloudy"])
ax.set_yticklabels(["Dry","Rainy"])
#设置坐标轴跨度
ax.set_xlim((-0.5,1.5))
ax.set_ylim((-0.5,1.5))
#设置纵横比相等
ax.set_aspect('equal')
plt.show()
	
	
                          
	
【关注微信公众号获取更多学习资料】 【扫码进入Python全栈开发免费公开课】