python实现画圆功能

@H_618_3@ # -*- Coding: utf-8 -*- """ __author__= 'Du' __creation_time__= '2018/1/4 17:30' """ import numpy as np import matplotlib.pyplot as plt # 该行用于设置chart 的样式，可以注掉 # plt.style.use("mystyle") fig = plt.figure(figsize=(8,8)) ax = fig.add_subplot(111) ax.spines['left'].set_color('none') ax.spines['bottom'].set_color('none') ax.spines['right'].set_color('none') ax.spines['top'].set_color('none') ax.set_xticks([]) ax.set_yticks([]) # 实现功能 theta = np.arange(0,2 * np.pi + 0.1,2 * np.pi / 1000) x = np.cos(theta) y = np.sin(theta) v = np.linspace(0,10,100) v.shape = (100,1) x = v * x y = v * y plt.plot(x,y,color='pink') # plt.savefig('ball1.jpg') plt.show()