这篇文章主要介绍了 Python+matplotlib 实现填充螺旋实例, 具有一定借鉴价值, 需要的朋友可以参考下
填充螺旋演示结果:
实例代码:
- import matplotlib.pyplot as plt
- import numpy as np
- theta = np.arange(0, 8*np.pi, 0.1)
- a = 1
- b = .2
- for dt in np.arange(0, 2*np.pi, np.pi/2.0):
- x = a*np.cos(theta + dt)*np.exp(b*theta)
- y = a*np.sin(theta + dt)*np.exp(b*theta)
- dt = dt + np.pi/4.0
- x2 = a*np.cos(theta + dt)*np.exp(b*theta)
- y2 = a*np.sin(theta + dt)*np.exp(b*theta)
- xf = np.concatenate((x, x2[::-1]))
- yf = np.concatenate((y, y2[::-1]))
- p1 = plt.fill(xf, yf)
- plt.show()
来源: http://www.phperz.com/article/18/0214/362704.html